all: prepare for release

modified:   misc/testsuite/mimic_ctest.sh

.github/workflows/ci.yml

@@ -19,9 +19,9 @@ env:
   UPX_CONFIG_HAVE_WORKING_BUILD_RPATH: 'ON'
   UPX_DEBUG_TEST_FLOAT_DIVISION_BY_ZERO: 1
   UPX_DEBUG_TEST_LIBC_QSORT: 1
-  ZSTD_CLEVEL: 9
+  ZSTD_CLEVEL: 17
-  # 2025-03-05
+  # 2025-05-21
-  ZIG_DIST_VERSION: 0.14.0
+  ZIG_DIST_VERSION: 0.14.1
 
 jobs:
   job-rebuild-and-verify-stubs:
@@ -61,7 +61,7 @@ jobs:
         run: |
           export PATH="$(readlink -en ../deps/bin-upx-20221212):$PATH"
           make -C src/stub maintainer-clean extra-clean
-          git status || true
+          git status || true # make sure the stub files got deleted
           make -C src/stub extra-all all
           if ! git diff --quiet; then git diff; exit 1; fi
       - run: bash ./misc/scripts/check_whitespace_git.sh
@@ -74,6 +74,65 @@ jobs:
         run: |
           make -C doc clean all
           if ! git diff --quiet; then git diff || true; fi # ignore diff error
+      - name: Clean up
+        shell: bash
+        run: |
+          git ls-files -z --others --ignored --exclude-standard ./src/stub | xargs -0r rm -v --
+          find ./src/stub/src -type d -name tmp -print0 | xargs -0r rmdir -v --
+      - run: git status --ignored || true
+
+  job-linux-cmake-0: # uses cmake + make
+    if: true
+    needs: [ job-rebuild-and-verify-stubs ]
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - { os: ubuntu-22.04 }
+          - { os: ubuntu-24.04 }
+          - { os: ubuntu-22.04-arm }
+          - { os: ubuntu-24.04-arm }
+    name: ${{ format('{0}', matrix.os) }}-0
+    runs-on: ${{ matrix.os }}
+    steps:
+      - run: uname -a; pwd; id; umask
+      - run: sudo apt-get update
+      - run: sudo apt-get install -y gdb parallel
+      - uses: actions/checkout@v4
+        with: { submodules: true }
+      - run: make build/extra/gcc/all
+      - run: make build/extra/clang/all
+      # run: make build/extra/gcc-pie/all
+      # run: make build/extra/clang-pie/all
+      - run: ls -l build/*/*/*/upx* || true
+      - run: file  build/*/*/*/upx* || true
+      - name: Make artifact
+        shell: bash
+        run: |
+          N=$(echo "upx-${GITHUB_REF_NAME}-${GITHUB_SHA:0:7}-${{ matrix.os }}-0" | sed 's/[^0-9a-zA-Z_.-]/-/g')
+          mkdir -p "tmp/artifact/$N"
+          (cd build && shopt -s nullglob && cp -ai --parents */upx{,.exe} */*/*/upx{,.exe} "../tmp/artifact/$N")
+          if command -v hardlink >/dev/null; then (cd "tmp/artifact/$N" && hardlink .) fi
+          (cd tmp/artifact && tar --sort=name --zstd -cf "$N.tar.zst" "$N" && rm -rf "./$N" && ls -la && zstd -tq "$N.tar.zst")
+          echo "artifact_name=$N" >> $GITHUB_ENV
+      - name: ${{ format('Upload artifact {0}', env.artifact_name) }}
+        uses: actions/upload-artifact@v4
+        with: { name: '${{ env.artifact_name }}', path: tmp/artifact }
+      - name: Mimic ctest tests SIGSEGV
+        shell: bash
+        run: |
+          jobs="gcc/debug gcc/release clang/debug clang/release"
+          #jobs="$jobs gcc-pie/debug gcc-pie/release clang-pie/debug clang-pie/release"
+          for ((i = 0; i < 5; i++)); do
+            echo "===== parallel jobs: $jobs"
+            parallel -kv --lb 'cd build/extra/{} && bash ../../../../misc/testsuite/mimic_ctest_sigsegv.sh' ::: $jobs
+          done
+      - name: Run ctest tests
+        run: |
+          jobs="gcc/debug gcc/release clang/debug clang/release"
+          #jobs="$jobs gcc-pie/debug gcc-pie/release clang-pie/debug clang-pie/release"
+          echo "===== parallel jobs: $jobs"
+          CTEST_JOBS=2 parallel -kv --lb 'make build/extra/{}+test' ::: $jobs
 
   job-linux-cmake: # uses cmake + make
     if: true
@@ -82,7 +141,6 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          # { os: ubuntu-20.04, use_extra: true }
           - { os: ubuntu-22.04, use_extra: true, use_wine: true }
           - { os: ubuntu-24.04, use_extra: true, use_wine: true }
     name: ${{ format('{0}', matrix.os) }}
@@ -128,6 +186,8 @@ jobs:
         if: ${{ matrix.use_extra }}
       - run: make build/extra/cross-windows-mingw64/all
         if: ${{ matrix.use_extra }}
+      - run: ls -l build/*/*/*/upx* || true
+      - run: file  build/*/*/*/upx* || true
       - name: Make artifact
         run: |
           N=$(echo "upx-${GITHUB_REF_NAME}-${GITHUB_SHA:0:7}-${{ matrix.os }}" | sed 's/[^0-9a-zA-Z_.-]/-/g')
@@ -153,6 +213,12 @@ jobs:
         run: |
           (cd build/extra/gcc/release && DESTDIR="$PWD/Install with cmake" cmake --install .)
           (cd build/extra/gcc/release && DESTDIR="$PWD/Install with make"  make install)
+      - name: Mimic ctest tests SIGSEGV
+        run: |
+          jobs="gcc/debug gcc/release clang/debug clang/release"
+          test "${{ matrix.use_extra }}" = "true" && jobs="$jobs gcc-m32/debug gcc-m32/release"
+          echo "===== parallel jobs: $jobs"
+          parallel -kv --lb 'cd build/extra/{} && bash ../../../../misc/testsuite/mimic_ctest_sigsegv.sh' ::: $jobs
       - name: Run ctest tests
         run: |
           jobs="gcc/debug gcc/release clang/debug clang/release"
@@ -161,12 +227,6 @@ jobs:
           command -v wine >/dev/null && jobs="$jobs cross-windows-mingw64/debug cross-windows-mingw64/release"
           echo "===== parallel jobs: $jobs"
           CTEST_JOBS=2 parallel -kv --lb 'make build/extra/{}+test' ::: $jobs
-      - name: Mimic ctest tests
-        run: |
-          jobs="gcc/debug gcc/release clang/debug clang/release"
-          test "${{ matrix.use_extra }}" = "true" && jobs="$jobs gcc-m32/debug gcc-m32/release"
-          echo "===== parallel jobs: $jobs"
-          parallel -kv --lb 'cd build/extra/{} && bash ../../../../misc/testsuite/mimic_ctest.sh' ::: $jobs
       - name: Mimic ctest tests with Valgrind
         if: true # note: valgrind is SLOW
         run: |
@@ -215,7 +275,8 @@ jobs:
           # NOTE: macos does not have "env -C"; only with brew coreutils
           - { os: macos-13, gcc: gcc-12, gxx: g++-12, testsuite: true }
           - { os: macos-14, gcc: gcc-13, gxx: g++-13, testsuite: true }
-          - { os: macos-15, gcc: gcc-14, gxx: g++-14, testsuite: true }
+          # { os: macos-15, gcc: gcc-14, gxx: g++-14, testsuite: true }
+          - { os: macos-15, testsuite: true }
     name: ${{ format('{0} {1}{2}', matrix.os, matrix.xcode_version && 'xcode-' || '',  matrix.xcode_version) }}
     runs-on: ${{ matrix.os }}
     steps:
@@ -229,7 +290,7 @@ jobs:
           test -z "$HOMEBREW_PREFIX" && HOMEBREW_PREFIX="$(brew --prefix)"
           echo "HOMEBREW_PREFIX=$HOMEBREW_PREFIX" >> $GITHUB_ENV
           # testsuite needs working "readlink -en" and "sha256sum -b"
-          packages="ninja parallel util-linux"
+          packages="parallel util-linux"
           test -e "$HOMEBREW_PREFIX/opt/coreutils/libexec/gnubin/readlink" || packages="$packages coreutils"
           if test -n "$packages"; then
             echo "===== brew leaves:"; brew leaves; echo "===== brew list:"; brew list --versions
@@ -265,7 +326,10 @@ jobs:
         run: |
           make UPX_XTARGET=xtarget/cross-darwin-arm64 xtarget/all \
             CC="clang -target arm64-apple-darwin" CXX="clang++ -target arm64-apple-darwin"
+      - run: ls -l build/*/*/*/upx* || true
+      - run: file  build/*/*/*/upx* || true
       - name: Make artifact
+        shell: bash
         run: |
           X="${{ matrix.xcode_version }}"; test -n "$X" && X="-xcode-$X"
           N=$(echo "upx-${GITHUB_REF_NAME}-${GITHUB_SHA:0:7}-${{ matrix.os }}$X" | sed 's/[^0-9a-zA-Z_.-]/-/g')
@@ -328,8 +392,15 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - { name: windows-2019-amd64, os: windows-2019, vsversion: 2019, vsarch: amd64 }
+          # { name: windows-2019-amd64,   os: windows-2019, vsversion: 2019, vsarch: amd64 }
           - { name: windows-2022-amd64,   os: windows-2022, vsversion: 2022, vsarch: amd64 }
+          - { name: windows-2022-arm64,   os: windows-2022, vsversion: 2022, vsarch: amd64_arm64 }
+          # { name: windows-2022-arm64ec, os: windows-2022, vsversion: 2022, vsarch: amd64_arm64, use_amd64ec: true }
+          - { name: windows-2022-i386,    os: windows-2022, vsversion: 2022, vsarch: amd64_x86 }
+          - { name: windows-2025-amd64,   os: windows-2025, vsversion: 2022, vsarch: amd64 }
+          - { name: windows-2025-arm64,   os: windows-2025, vsversion: 2022, vsarch: amd64_arm64 }
+          - { name: windows-2025-arm64ec, os: windows-2025, vsversion: 2022, vsarch: amd64_arm64, use_amd64ec: true }
+          - { name: windows-2025-i386,    os: windows-2025, vsversion: 2022, vsarch: amd64_x86 }
     name: ${{ format('{0}', matrix.name) }}
     runs-on: ${{ matrix.os }}
     steps:
@@ -340,12 +411,26 @@ jobs:
         run: git clone --depth=1 https://github.com/upx/upx-testsuite ../deps/upx-testsuite
       - uses: ilammy/msvc-dev-cmd@v1
         with: { vsversion: '${{ matrix.vsversion }}', arch: '${{ matrix.vsarch }}' }
+      - name: Set platform
+        shell: bash
+        run: |
+          if [[ "${{ matrix.vsarch }}" == amd64 ]]; then true;
+            echo "UPX_CMAKE_CONFIG_FLAGS_PLATFORM=-A x64" >> $GITHUB_ENV
+          elif [[ "${{ matrix.use_amd64ec }}" == "true" ]]; then true;
+            echo "UPX_CMAKE_CONFIG_FLAGS_PLATFORM=-A ARM64EC" >> $GITHUB_ENV
+            echo "UPX_CONFIG_DISABLE_SELF_PACK_TEST=ON" >> $GITHUB_ENV
+          elif [[ "${{ matrix.vsarch }}" == amd64_arm64 ]]; then true;
+            echo "UPX_CMAKE_CONFIG_FLAGS_PLATFORM=-A ARM64" >> $GITHUB_ENV
+            echo "UPX_CONFIG_DISABLE_SELF_PACK_TEST=ON" >> $GITHUB_ENV
+          elif [[ "${{ matrix.vsarch }}" == amd64_x86 ]]; then true;
+            echo "UPX_CMAKE_CONFIG_FLAGS_PLATFORM=-A Win32" >> $GITHUB_ENV
+          fi
       - run: make build/debug
       - run: make build/release
       - name: Make artifact
         shell: bash
         run: |
-          N=$(echo "upx-${GITHUB_REF_NAME}-${GITHUB_SHA:0:7}-${{ matrix.os }}" | sed 's/[^0-9a-zA-Z_.-]/-/g')
+          N=$(echo "upx-${GITHUB_REF_NAME}-${GITHUB_SHA:0:7}-${{ matrix.name }}" | sed 's/[^0-9a-zA-Z_.-]/-/g')
           mkdir -p "tmp/artifact/$N"
           DESTDIR="$PWD/tmp/artifact/$N/InstallWithCMake/InstallWithDestdir/debug"   cmake --install build/debug   --config Debug
           DESTDIR="$PWD/tmp/artifact/$N/InstallWithCMake/InstallWithDestdir/release" cmake --install build/release --config Release
@@ -366,12 +451,18 @@ jobs:
         run: |
           ctest --test-dir build/debug   --parallel 8 -C Debug
           ctest --test-dir build/release --parallel 8 -C Release
+      - name: Mimic ctest tests
+        if: ${{ matrix.vsarch != 'amd64_arm64' }}
+        shell: bash
+        run: |
+          env -C build/debug/Debug     upx_exe=./upx.exe bash "$PWD"/misc/testsuite/mimic_ctest.sh
+          env -C build/release/Release upx_exe=./upx.exe bash "$PWD"/misc/testsuite/mimic_ctest.sh
       - name: Run test suite build/release
         if: ${{ matrix.vsarch != 'amd64_arm64' }}
         shell: bash
         run: |
           export upx_testsuite_SRCDIR="$(readlink -en ../deps/upx-testsuite)"
-          env -C build/release/Release bash "$PWD"/misc/testsuite/upx_testsuite_1.sh
+          env -C build/release/Release upx_exe=./upx.exe bash "$PWD"/misc/testsuite/upx_testsuite_1.sh
 
   job-windows-toolchains: # build "by hand" using cmd.exe
     if: github.repository_owner == 'upx'
@@ -380,13 +471,13 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - { name: amd64-win64-vs2019,   os: windows-2019, vsversion: 2019, vsarch: amd64 }
+          # { name: amd64-win64-vs2019,   os: windows-2019, vsversion: 2019, vsarch: amd64 }
           - { name: amd64-win64-vs2022,   os: windows-2022, vsversion: 2022, vsarch: amd64 }
-          - { name: arm64-win64-vs2019,   os: windows-2019, vsversion: 2019, vsarch: amd64_arm64 }
+          # { name: arm64-win64-vs2019,   os: windows-2019, vsversion: 2019, vsarch: amd64_arm64 }
           - { name: arm64-win64-vs2022,   os: windows-2022, vsversion: 2022, vsarch: amd64_arm64 }
           - { name: arm64ec-win64-vs2022, os: windows-2022, vsversion: 2022, vsarch: amd64_arm64, cl_machine_flags: -arm64EC, link_machine_flags: '/machine:arm64ec' }
           # { name: arm64x-win64-vs2022,  os: windows-2022, vsversion: 2022, vsarch: amd64_arm64, cl_machine_flags: -arm64EC, link_machine_flags: '/machine:arm64x' }
-          - { name: i386-win32-vs2019,    os: windows-2019, vsversion: 2019, vsarch: amd64_x86 }
+          # { name: i386-win32-vs2019,    os: windows-2019, vsversion: 2019, vsarch: amd64_x86 }
           - { name: i386-win32-vs2022,    os: windows-2022, vsversion: 2022, vsarch: amd64_x86 }
     name: ${{ format('windows {0}', matrix.name) }}
     runs-on: ${{ matrix.os }}
@@ -471,6 +562,11 @@ jobs:
           .\upx.exe -l upx_packed.exe
           .\upx.exe -t upx_packed.exe
           .\upx_packed.exe --version
+      - name: Mimic ctest tests
+        if: ${{ matrix.vsarch != 'amd64_arm64' }}
+        shell: bash
+        run: |
+          env -C build/$C/$B/upx upx_exe=./upx.exe bash "$PWD"/misc/testsuite/mimic_ctest.sh
       - name: Run test suite
         if: ${{ matrix.vsarch != 'amd64_arm64' }}
         shell: bash
@@ -487,6 +583,7 @@ jobs:
         include:
           # only build a few selected targets => more targets are tested in the Weekly CI
           - { zig_target: aarch64-linux-musl, qemu: qemu-aarch64 }
+          - { zig_target: aarch64-linux-musl, qemu: qemu-aarch64, zig_pic: -fPIE }
           - { zig_target: aarch64-macos.11.0-none }
           - { zig_target: aarch64-windows-gnu }
           - { zig_target: arm-linux-musleabihf, qemu: qemu-arm }
@@ -505,7 +602,9 @@ jobs:
           # { zig_target: mips-linux-musleabi-mips32r6, zig_flags: -march=mips32r6, qemu: qemu-mips }
           - { zig_target: powerpc-linux-musleabihf, qemu: qemu-ppc }
           - { zig_target: powerpc64-linux-musl, qemu: qemu-ppc64 }
+          - { zig_target: powerpc64-linux-musl, qemu: qemu-ppc64, zig_pic: -fPIE }
           - { zig_target: powerpc64le-linux-musl, qemu: qemu-ppc64le }
+          - { zig_target: powerpc64le-linux-musl, qemu: qemu-ppc64le, zig_pic: -fPIE }
           - { zig_target: x86_64-linux-gnu.2.3.4, qemu: qemu-x86_64 } # can use QEMU because of gcompat
           - { zig_target: x86_64-linux-gnu.2.17, qemu: qemu-x86_64 } # can use QEMU because of gcompat
           - { zig_target: x86_64-linux-musl, qemu: qemu-x86_64 }
@@ -513,9 +612,10 @@ jobs:
           - { zig_target: x86_64-windows-gnu }
     name: ${{ format('zigcc {0} {1}', matrix.zig_target, matrix.zig_pic) }}
     runs-on: ubuntu-latest
-    container: 'alpine:3.21'
+    #container: 'alpine:3.22'
-    #container: ${{ contains(matrix.qemu, 'qemu-ppc64') && 'alpine:3.19' || 'alpine:3.21' }}
+    #container: ${{ contains(matrix.qemu, 'qemu-ppc64') && 'alpine:3.19' || 'alpine:3.22' }}
-    #container: ${{ (matrix.qemu == 'qemu-ppc64') && 'alpine:edge' || 'alpine:3.21' }}
+    #container: ${{ (matrix.qemu == 'qemu-ppc64') && 'alpine:edge' || 'alpine:3.22' }}
+    container: ${{ (matrix.qemu == 'qemu-aarch64' && matrix.zig_pic == '-fPIE') && 'alpine:3.18' || 'alpine:3.22' }}
     env:
       UPX_CONFIG_HAVE_WORKING_BUILD_RPATH: ''
       # for zig-cc wrapper scripts (see below):
@@ -529,7 +629,7 @@ jobs:
         if: ${{ job.container }}
         shell: sh
         run: |
-          apk update && apk upgrade && apk add bash cmake curl file git make parallel patch tar util-linux xz zstd
+          apk update && apk upgrade && apk add bash cmake curl file gdb git make parallel patch strace tar util-linux xz zstd
           # set PATH like in Ubuntu
           echo "PATH=$HOME/.local/bin:$PATH" >> $GITHUB_ENV
           git config --global --add safe.directory '*' # needed when running in a container
@@ -553,9 +653,11 @@ jobs:
           mkdir -p -v ~/.local/bin
           cd ~/.local/bin
           ZIG_DIST_NAME=zig-linux-x86_64-${ZIG_DIST_VERSION}
+          ZIG_DIST_NAME=zig-x86_64-linux-${ZIG_DIST_VERSION}
           #curl -sS -L -O https://ziglang.org/builds/${ZIG_DIST_NAME}.tar.xz
-          curl -sS -L -O https://ziglang.org/download/0.14.0/${ZIG_DIST_NAME}.tar.xz
+          curl -sS -L -O https://ziglang.org/download/0.14.1/${ZIG_DIST_NAME}.tar.xz
           ls -l ${ZIG_DIST_NAME}.tar.xz
+          file ${ZIG_DIST_NAME}.tar.xz || true
           tar -xoJf ${ZIG_DIST_NAME}.tar.xz
           rm ${ZIG_DIST_NAME}.tar.xz
           ln -s -v ${ZIG_DIST_NAME}/zig zig
@@ -601,12 +703,12 @@ jobs:
         run: |
           make UPX_XTARGET=zig/${ZIG_TARGET}${ZIG_PIC} xtarget/release \
             CC="zig-cc" CXX="zig-cxx" CMAKE_AR="$HOME/.local/bin/zig-ar" CMAKE_RANLIB="$HOME/.local/bin/zig-ranlib"
-          file build/zig/${ZIG_TARGET}${ZIG_PIC}/release/upx*
       - name: ${{ format('Build Debug with zig-cc -target {0} {1}', env.ZIG_TARGET, env.ZIG_PIC) }}
         run: |
           make UPX_XTARGET=zig/${ZIG_TARGET}${ZIG_PIC} xtarget/debug \
             CC="zig-cc" CXX="zig-cxx" CMAKE_AR="$HOME/.local/bin/zig-ar" CMAKE_RANLIB="$HOME/.local/bin/zig-ranlib"
-          file build/zig/${ZIG_TARGET}${ZIG_PIC}/debug/upx*
+      - run: ls -l build/*/*/*/upx* || true
+      - run: file  build/*/*/*/upx* || true
       - name: ${{ format('Make artifact from upx-{0}-{1}', github.ref_name, env.UPX_GITREV_SHORT) }}
         shell: bash
         run: |

.gitignore

@@ -1,6 +1,8 @@
 /.cache*
+/.idea/
 /.hg*
 /.vscode*
+/.zed/
 /CMakeCache*
 /CMakeFiles*
 /CTest*

CMakeLists.txt

@@ -30,6 +30,7 @@ endif()
 # support functions and some utility
 include("${CMAKE_CURRENT_SOURCE_DIR}/misc/cmake/functions.cmake")
 upx_print_var(CMAKE_VERSION UPX_CONFIG_CMAKE_MINIMUM_REQUIRED_VERSION CMAKE_GENERATOR)
+upx_print_var(CMAKE_GENERATOR_TOOLSET CMAKE_GENERATOR_PLATFORM)
 
 #***********************************************************************
 # options
@@ -62,13 +63,15 @@ option(UPX_CONFIG_DISABLE_EXHAUSTIVE_TESTS "Do not run exhaustive tests"
 # init
 #***********************************************************************
 
-set(UPX_VERSION_STRING "5.0.1") # this should match src/version.h
+set(UPX_VERSION_STRING "5.0.2") # this should match src/version.h
 
 upx_cmake_include_hook(2_init)
 
 # Disallow in-source build. Note that you will still have to manually
 # clean up a few files if you accidentally try an in-source build.
+if(IS_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/.git")
     upx_disallow_in_source_build()
+endif()
 
 # global settings
 if(${CMAKE_VERSION} VERSION_GREATER "3.14.99" AND NOT DEFINED CMAKE_MSVC_RUNTIME_LIBRARY)

NEWS

@@ -2,6 +2,9 @@
 User visible changes for UPX
 ==================================================================
 
+Changes in 5.0.2 (20 Jul 2025):
+  * bug fixes - see https://github.com/upx/upx/milestone/20
+
 Changes in 5.0.1 (06 May 2025):
   * bug fixes - see https://github.com/upx/upx/milestone/19
 

doc/upx.1

@@ -55,7 +55,7 @@
 .\" ========================================================================
 .\"
 .IX Title "UPX 1"
-.TH UPX 1 2025-05-06 "upx 5.0.1" " "
+.TH UPX 1 2025-07-20 "upx 5.0.2" " "
 .\" For nroff, turn off justification.  Always turn off hyphenation; it makes
 .\" way too many mistakes in technical documents.
 .if n .ad l

misc/cmake/self_pack_test.cmake

@@ -114,8 +114,14 @@ endif()
 if(NOT UPX_CONFIG_DISABLE_EXHAUSTIVE_TESTS)
     foreach(method IN ITEMS nrv2b nrv2d nrv2e lzma)
         foreach(level IN ITEMS 1 2 3 4 5 6 7)
+            foreach(small IN ITEMS normal small)
                 set(s "${method}-${level}")
-            upx_add_test(upx-self-pack-${s}         upx --${method} -${level} --all-filters --debug-use-random-filter "${upx_self_exe}" ${fo} -o upx-packed-${s}${exe})
+                set(ss "")
+                if(small MATCHES "small")
+                    set(s "${method}-${level}-${small}")
+                    set(ss "--small")
+                endif()
+                upx_add_test(upx-self-pack-${s}         upx --${method} -${level} ${ss} --all-filters --debug-use-random-filter "${upx_self_exe}" ${fo} -o upx-packed-${s}${exe})
                 upx_add_test(upx-list-${s}              upx -l upx-packed-${s}${exe})
                 upx_add_test(upx-fileinfo-${s}          upx --fileinfo upx-packed-${s}${exe})
                 upx_add_test(upx-test-${s}              upx -t upx-packed-${s}${exe})
@@ -137,6 +143,7 @@ if(NOT UPX_CONFIG_DISABLE_EXHAUSTIVE_TESTS)
                 endif()
             endforeach()
         endforeach()
+    endforeach()
 endif() # UPX_CONFIG_DISABLE_EXHAUSTIVE_TESTS
 
 # clean up

misc/make/Makefile-extra.mk

@@ -65,6 +65,13 @@ build/extra/clang-lto-auto/release: PHONY; $(call run_config_and_build,$@,Releas
 build/extra/clang-lto-auto/%: export CC  = clang   -flto=auto
 build/extra/clang-lto-auto/%: export CXX = clang++ -flto=auto
 
+# force building with clang/clang++ -pie
+build/extra/clang-pie/debug:   PHONY; $(call run_config_and_build,$@,Debug)
+build/extra/clang-pie/release: PHONY; $(call run_config_and_build,$@,Release)
+build/extra/clang-pie/%: export CC  = clang   -pie -fPIE -Wno-unused-command-line-argument
+build/extra/clang-pie/%: export CXX = clang++ -pie -fPIE -Wno-unused-command-line-argument
+build/extra/clang-pie/%: export UPX_CONFIG_DISABLE_SHARED_LIBS = ON
+
 # force building with clang/clang++ -static
 build/extra/clang-static/debug:   PHONY; $(call run_config_and_build,$@,Debug)
 build/extra/clang-static/release: PHONY; $(call run_config_and_build,$@,Release)
@@ -140,6 +147,13 @@ build/extra/gcc-lto-auto/release: PHONY; $(call run_config_and_build,$@,Release)
 build/extra/gcc-lto-auto/%: export CC  = gcc -flto=auto
 build/extra/gcc-lto-auto/%: export CXX = g++ -flto=auto
 
+# force building with gcc/g++ -pie
+build/extra/gcc-pie/debug:   PHONY; $(call run_config_and_build,$@,Debug)
+build/extra/gcc-pie/release: PHONY; $(call run_config_and_build,$@,Release)
+build/extra/gcc-pie/%: export CC  = gcc -pie -fPIE
+build/extra/gcc-pie/%: export CXX = g++ -pie -fPIE
+build/extra/gcc-pie/%: export UPX_CONFIG_DISABLE_SHARED_LIBS = ON
+
 # force building with gcc/g++ -static
 build/extra/gcc-static/debug:   PHONY; $(call run_config_and_build,$@,Debug)
 build/extra/gcc-static/release: PHONY; $(call run_config_and_build,$@,Release)
@@ -177,7 +191,7 @@ build/extra/gcc-std-cxx23/%: export CXX = g++ -std=gnu++2b
 build/extra/gcc-std-cxx23/%: export UPX_CONFIG_DISABLE_C_STANDARD = ON
 build/extra/gcc-std-cxx23/%: export UPX_CONFIG_DISABLE_CXX_STANDARD = ON
 
-# force building with gcc/g++ C++26 (EXPERIMENTAL; need gcc-14)
+# force building with gcc/g++ C++26 (and C23)
 build/extra/gcc-std-cxx26/debug:   PHONY; $(call run_config_and_build,$@,Debug)
 build/extra/gcc-std-cxx26/release: PHONY; $(call run_config_and_build,$@,Release)
 build/extra/gcc-std-cxx26/%: export CC  = gcc -std=gnu23

misc/podman/rebuild-stubs/Dockerfile

@@ -16,7 +16,7 @@ RUN dpkg --add-architecture i386 \
         # the full UPX binary inside the container via CMake:
         7zip bat bfs btop bubblewrap busybox bzip2 bzip3 cabextract ccache chrpath cmake cpio \
         dash diffstat direnv elfutils execstack eza fd-find file fish fzf \
-        g++ gawk gdb gojq ht htop hyperfine jq ksh \
+        g++ gawk gdb gh gojq ht htop hyperfine jq ksh \
         lftp libzstd-dev lsb-release lsd lz4 lzip lzop minify mksh moreutils musl neovim ninja-build \
         p7zip parallel patch patchelf patchutils pax-utils proot \
         python3 python3-pyasn1 python3-pycryptodome python3-pycurl python3-tomli python3-tomli-w \
@@ -62,7 +62,7 @@ RUN cd /root \
 # install official UPX release binaries into /usr/local/bin; not required but convenient for testing
 RUN cd /root \
     && curl -sS -L -O https://github.com/upx/upx/releases/download/v3.91/upx-3.91-amd64_linux.tar.bz2 \
-    && xzversions="3.92 3.93 3.94 3.95 3.96 4.0.0 4.0.1 4.0.2 4.1.0 4.2.0 4.2.1 4.2.2 4.2.3 4.2.4 5.0.0" \
+    && xzversions="3.92 3.93 3.94 3.95 3.96 4.0.0 4.0.1 4.0.2 4.1.0 4.2.0 4.2.1 4.2.2 4.2.3 4.2.4 5.0.0 5.0.1" \
     && for v in $xzversions; do curl -sS -L -O https://github.com/upx/upx/releases/download/v${v}/upx-${v}-amd64_linux.tar.xz; done \
     && for f in ./upx-*.tar.*; do tar -xoaf $f; done \
     && for v in 3.91 $xzversions; do d=upx-${v}-amd64_linux; ./$d/upx -qq -d $d/upx -o /usr/local/bin/upx-${v}; done \

misc/podman/rebuild-stubs/packages.txt

@@ -2,7 +2,7 @@ Packages:
 +++-=============================-=================================-============-================================================================================
 Desired=Unknown/Install/Remove/Purge/Hold
 ii  7zip                          23.01+dfsg-11                     amd64        7-Zip file archiver with a high compression ratio
-ii  apt                           2.7.14build2                      amd64        commandline package manager
+ii  apt                           2.8.3                             amd64        commandline package manager
 ii  aria2                         1.37.0+debian-1build3             amd64        High speed download utility
 ii  base-files                    13ubuntu10.2                      amd64        Debian base system miscellaneous files
 ii  base-passwd                   3.6.3build1                       amd64        Debian base system master password and group files
@@ -10,9 +10,9 @@ ii  bash                          5.2.21-2ubuntu4                   amd64
 ii  bash-completion               1:2.11-8                          all          programmable completion for the bash shell
 ii  bat                           0.24.0-1build1                    amd64        cat(1) clone with syntax highlighting and git integration
 ii  bfs                           3.1.2-1build1                     amd64        Breadth-first version of find(1)
-ii  binutils                      2.42-4ubuntu2.4                   amd64        GNU assembler, linker and binary utilities
+ii  binutils                      2.42-4ubuntu2.5                   amd64        GNU assembler, linker and binary utilities
-ii  binutils-common:amd64         2.42-4ubuntu2.4                   amd64        Common files for the GNU assembler, linker and binary utilities
+ii  binutils-common:amd64         2.42-4ubuntu2.5                   amd64        Common files for the GNU assembler, linker and binary utilities
-ii  binutils-x86-64-linux-gnu     2.42-4ubuntu2.4                   amd64        GNU binary utilities, for x86-64-linux-gnu target
+ii  binutils-x86-64-linux-gnu     2.42-4ubuntu2.5                   amd64        GNU binary utilities, for x86-64-linux-gnu target
 ii  bsdextrautils                 2.39.3-9ubuntu6.2                 amd64        extra utilities from 4.4BSD-Lite
 ii  bsdutils                      1:2.39.3-9ubuntu6.2               amd64        basic utilities from 4.4BSD-Lite
 ii  btop                          1.3.0-1                           amd64        Modern and colorful command line resource monitor that shows usage and stats
@@ -41,7 +41,7 @@ ii  diffutils                     1:3.10-1build1                    amd64
 ii  direnv                        2.32.1-2ubuntu0.24.04.2           amd64        Utility to set directory specific environment variables
 ii  dpkg                          1.22.6ubuntu6.1                   amd64        Debian package management system
 ii  e2fsprogs                     1.47.0-2.4~exp1ubuntu4.1          amd64        ext2/ext3/ext4 file system utilities
-ii  elfutils                      0.190-1.1build4.1                 amd64        collection of utilities to handle ELF objects
+ii  elfutils                      0.190-1.1ubuntu0.1                amd64        collection of utilities to handle ELF objects
 ii  execstack                     0.0.20131005-1.1ubuntu1           amd64        ELF GNU_STACK program header editing utility
 ii  eza                           0.18.2-1                          amd64        Modern replacement for ls
 ii  fd-find                       9.0.0-1                           amd64        Simple, fast and user-friendly alternative to find
@@ -67,10 +67,11 @@ ii  gcc-14-base:i386              14.2.0-4ubuntu2~24.04             i386
 ii  gcc-multilib                  4:13.2.0-7ubuntu1                 amd64        GNU C compiler (multilib files)
 ii  gcc-x86-64-linux-gnu          4:13.2.0-7ubuntu1                 amd64        GNU C compiler for the amd64 architecture
 ii  gdb                           15.0.50.20240403-0ubuntu1         amd64        GNU Debugger
+ii  gh                            2.45.0-1ubuntu0.2                 amd64        GitHub CLI, GitHub’s official command line tool
 ii  git                           1:2.43.0-1ubuntu7.2               amd64        fast, scalable, distributed revision control system
 ii  git-man                       1:2.43.0-1ubuntu7.2               all          fast, scalable, distributed revision control system (manual pages)
 ii  gojq                          0.12.13-1ubuntu0.24.04.2          amd64        pure Go implementation of jq (program)
-ii  gpgv                          2.4.4-2ubuntu17                   amd64        GNU privacy guard - signature verification tool
+ii  gpgv                          2.4.4-2ubuntu17.2                 amd64        GNU privacy guard - signature verification tool
 ii  grep                          3.11-4build1                      amd64        GNU grep, egrep and fgrep
 ii  groff-base                    1.23.0-3build2                    amd64        GNU troff text-formatting system (base system components)
 ii  gzip                          1.12-1ubuntu3                     amd64        GNU compression utilities
@@ -95,18 +96,18 @@ ii  lib32stdc++-13-dev            13.3.0-6ubuntu2~24.04             amd64
 ii  lib32stdc++6                  14.2.0-4ubuntu2~24.04             amd64        GNU Standard C++ Library v3 (32 bit Version)
 ii  lib32ubsan1                   14.2.0-4ubuntu2~24.04             amd64        UBSan -- undefined behaviour sanitizer (32bit)
 ii  libacl1:amd64                 2.3.2-1build1.1                   amd64        access control list - shared library
-ii  libapt-pkg6.0t64:amd64        2.7.14build2                      amd64        package management runtime library
+ii  libapt-pkg6.0t64:amd64        2.8.3                             amd64        package management runtime library
-ii  libarchive13t64:amd64         3.7.2-2ubuntu0.3                  amd64        Multi-format archive and compression library (shared library)
+ii  libarchive13t64:amd64         3.7.2-2ubuntu0.4                  amd64        Multi-format archive and compression library (shared library)
 ii  libaria2-0:amd64              1.37.0+debian-1build3             amd64        C++ library interface to aria2
 ii  libasan8:amd64                14.2.0-4ubuntu2~24.04             amd64        AddressSanitizer -- a fast memory error detector
-ii  libasm1t64:amd64              0.190-1.1build4.1                 amd64        library with a programmable assembler interface
+ii  libasm1t64:amd64              0.190-1.1ubuntu0.1                amd64        library with a programmable assembler interface
 ii  libassuan0:amd64              2.5.6-1build1                     amd64        IPC library for the GnuPG components
 ii  libatomic1:amd64              14.2.0-4ubuntu2~24.04             amd64        support library providing __atomic built-in functions
 ii  libattr1:amd64                1:2.5.2-1build1.1                 amd64        extended attribute handling - shared library
 ii  libaudit-common               1:3.1.2-2.1build1.1               all          Dynamic library for security auditing - common files
 ii  libaudit1:amd64               1:3.1.2-2.1build1.1               amd64        Dynamic library for security auditing
 ii  libbabeltrace1:amd64          1.5.11-3build3                    amd64        Babeltrace conversion libraries
-ii  libbinutils:amd64             2.42-4ubuntu2.4                   amd64        GNU binary utilities (private shared library)
+ii  libbinutils:amd64             2.42-4ubuntu2.5                   amd64        GNU binary utilities (private shared library)
 ii  libblkid1:amd64               2.39.3-9ubuntu6.2                 amd64        block device ID library
 ii  libbrotli1:amd64              1.1.0-2build2                     amd64        library implementing brotli encoder and decoder (shared libraries)
 ii  libbsd0:amd64                 0.12.1-1build1.1                  amd64        utility functions from BSD systems - shared library
@@ -129,18 +130,18 @@ ii  libcc1-0:amd64                14.2.0-4ubuntu2~24.04             amd64
 ii  libcom-err2:amd64             1.47.0-2.4~exp1ubuntu4.1          amd64        common error description library
 ii  libcrypt-dev:amd64            1:4.4.36-4build1                  amd64        libcrypt development files
 ii  libcrypt1:amd64               1:4.4.36-4build1                  amd64        libcrypt shared library
-ii  libctf-nobfd0:amd64           2.42-4ubuntu2.4                   amd64        Compact C Type Format library (runtime, no BFD dependency)
+ii  libctf-nobfd0:amd64           2.42-4ubuntu2.5                   amd64        Compact C Type Format library (runtime, no BFD dependency)
-ii  libctf0:amd64                 2.42-4ubuntu2.4                   amd64        Compact C Type Format library (runtime, BFD dependency)
+ii  libctf0:amd64                 2.42-4ubuntu2.5                   amd64        Compact C Type Format library (runtime, BFD dependency)
 ii  libcurl3t64-gnutls:amd64      8.5.0-2ubuntu10.6                 amd64        easy-to-use client-side URL transfer library (GnuTLS flavour)
 ii  libcurl4t64:amd64             8.5.0-2ubuntu10.6                 amd64        easy-to-use client-side URL transfer library (OpenSSL flavour)
 ii  libdb5.3t64:amd64             5.3.28+dfsg2-7                    amd64        Berkeley v5.3 Database Libraries [runtime]
 ii  libdebconfclient0:amd64       0.271ubuntu3                      amd64        Debian Configuration Management System (C-implementation library)
-ii  libdebuginfod-common          0.190-1.1build4.1                 all          configuration to enable the Debian debug info server
+ii  libdebuginfod-common          0.190-1.1ubuntu0.1                all          configuration to enable the Debian debug info server
-ii  libdebuginfod1t64:amd64       0.190-1.1build4.1                 amd64        library to interact with debuginfod (development files)
+ii  libdebuginfod1t64:amd64       0.190-1.1ubuntu0.1                amd64        library to interact with debuginfod (development files)
-ii  libdw1t64:amd64               0.190-1.1build4.1                 amd64        library that provides access to the DWARF debug information
+ii  libdw1t64:amd64               0.190-1.1ubuntu0.1                amd64        library that provides access to the DWARF debug information
-ii  libelf1t64:amd64              0.190-1.1build4.1                 amd64        library to read and write ELF files
+ii  libelf1t64:amd64              0.190-1.1ubuntu0.1                amd64        library to read and write ELF files
 ii  liberror-perl                 0.17029-2                         all          Perl module for error/exception handling in an OO-ish way
-ii  libexpat1:amd64               2.6.1-2ubuntu0.2                  amd64        XML parsing C library - runtime library
+ii  libexpat1:amd64               2.6.1-2ubuntu0.3                  amd64        XML parsing C library - runtime library
 ii  libext2fs2t64:amd64           1.47.0-2.4~exp1ubuntu4.1          amd64        ext2/ext3/ext4 file system libraries
 ii  libffi8:amd64                 3.4.6-1build1                     amd64        Foreign Function Interface library runtime
 ii  libgcc-13-dev:amd64           13.3.0-6ubuntu2~24.04             amd64        GCC support library (development files)
@@ -150,13 +151,13 @@ ii  libgcrypt20:amd64             1.10.3-2build1                    amd64
 ii  libgdbm-compat4t64:amd64      1.23-5.1build1                    amd64        GNU dbm database routines (legacy support runtime version)
 ii  libgdbm6t64:amd64             1.23-5.1build1                    amd64        GNU dbm database routines (runtime version)
 ii  libgit2-1.7:amd64             1.7.2+ds-1ubuntu3                 amd64        low-level Git library
-ii  libglib2.0-0t64:amd64         2.80.0-6ubuntu3.2                 amd64        GLib library of C routines
+ii  libglib2.0-0t64:amd64         2.80.0-6ubuntu3.4                 amd64        GLib library of C routines
 ii  libgmp10:amd64                2:6.3.0+dfsg-2ubuntu6.1           amd64        Multiprecision arithmetic library
 ii  libgnutls30t64:amd64          3.8.3-1.1ubuntu3.3                amd64        GNU TLS library - main runtime library
 ii  libgomp1:amd64                14.2.0-4ubuntu2~24.04             amd64        GCC OpenMP (GOMP) support library
 ii  libgpg-error0:amd64           1.47-3build2.1                    amd64        GnuPG development runtime library
-ii  libgprofng0:amd64             2.42-4ubuntu2.4                   amd64        GNU Next Generation profiler (runtime library)
+ii  libgprofng0:amd64             2.42-4ubuntu2.5                   amd64        GNU Next Generation profiler (runtime library)
-ii  libgssapi-krb5-2:amd64        1.20.1-6ubuntu2.5                 amd64        MIT Kerberos runtime libraries - krb5 GSS-API Mechanism
+ii  libgssapi-krb5-2:amd64        1.20.1-6ubuntu2.6                 amd64        MIT Kerberos runtime libraries - krb5 GSS-API Mechanism
 ii  libhiredis1.1.0:amd64         1.2.0-6ubuntu3                    amd64        minimalistic C client library for Redis
 ii  libhogweed6t64:amd64          3.9.1-2.2build1.1                 amd64        low level cryptographic library (public-key cryptos)
 ii  libhttp-parser2.9:amd64       2.9.4-6build1                     amd64        parser for HTTP messages written in C
@@ -171,16 +172,16 @@ ii  libitm1:amd64                 14.2.0-4ubuntu2~24.04             amd64
 ii  libjansson4:amd64             2.14-2build2                      amd64        C library for encoding, decoding and manipulating JSON data
 ii  libjq1:amd64                  1.7.1-3build1                     amd64        lightweight and flexible command-line JSON processor - shared library
 ii  libjsoncpp25:amd64            1.9.5-6build1                     amd64        library for reading and writing JSON for C++
-ii  libk5crypto3:amd64            1.20.1-6ubuntu2.5                 amd64        MIT Kerberos runtime libraries - Crypto Library
+ii  libk5crypto3:amd64            1.20.1-6ubuntu2.6                 amd64        MIT Kerberos runtime libraries - Crypto Library
 ii  libkeyutils1:amd64            1.6.3-3build1                     amd64        Linux Key Management Utilities (library)
-ii  libkrb5-3:amd64               1.20.1-6ubuntu2.5                 amd64        MIT Kerberos runtime libraries
+ii  libkrb5-3:amd64               1.20.1-6ubuntu2.6                 amd64        MIT Kerberos runtime libraries
-ii  libkrb5support0:amd64         1.20.1-6ubuntu2.5                 amd64        MIT Kerberos runtime libraries - Support library
+ii  libkrb5support0:amd64         1.20.1-6ubuntu2.6                 amd64        MIT Kerberos runtime libraries - Support library
 ii  libldap2:amd64                2.6.7+dfsg-1~exp1ubuntu8.2        amd64        OpenLDAP libraries
 ii  liblsan0:amd64                14.2.0-4ubuntu2~24.04             amd64        LeakSanitizer -- a memory leak detector (runtime)
 ii  libluajit-5.1-2:amd64         2.1.0+git20231223.c525bcb+dfsg-1  amd64        Just in time compiler for Lua - library version
 ii  libluajit-5.1-common          2.1.0+git20231223.c525bcb+dfsg-1  all          Just in time compiler for Lua - common files
 ii  liblz4-1:amd64                1.9.4-1build1.1                   amd64        Fast LZ compression algorithm library - runtime
-ii  liblzma5:amd64                5.6.1+really5.4.5-1build0.1       amd64        XZ-format compression library
+ii  liblzma5:amd64                5.6.1+really5.4.5-1ubuntu0.2      amd64        XZ-format compression library
 ii  liblzo2-2:amd64               2.10-2build4                      amd64        data compression library
 ii  libmagic-mgc                  1:5.45-3build1                    amd64        File type determination library using "magic" numbers (compiled magic file)
 ii  libmagic1t64:amd64            1:5.45-3build1                    amd64        Recognize the type of data in a file using "magic" numbers - library
@@ -205,7 +206,7 @@ ii  libpam-runtime                1.5.3-5ubuntu5.1                  all
 ii  libpam0g:amd64                1.5.3-5ubuntu5.1                  amd64        Pluggable Authentication Modules library
 ii  libpcre2-32-0:amd64           10.42-4ubuntu2.1                  amd64        New Perl Compatible Regular Expression Library - 32 bit runtime files
 ii  libpcre2-8-0:amd64            10.42-4ubuntu2.1                  amd64        New Perl Compatible Regular Expression Library- 8 bit runtime files
-ii  libperl5.38t64:amd64          5.38.2-3.2build2.1                amd64        shared Perl library
+ii  libperl5.38t64:amd64          5.38.2-3.2ubuntu0.1               amd64        shared Perl library
 ii  libpipeline1:amd64            1.5.7-2                           amd64        Unix process pipeline manipulation library
 ii  libpopt0:amd64                1.19+dfsg-1build1                 amd64        lib for parsing cmdline parameters
 ii  libproc2-0:amd64              2:4.0.4-4ubuntu3.2                amd64        library for accessing process information from /proc
@@ -228,19 +229,19 @@ ii  libsemanage2:amd64            3.5-1build5                       amd64
 ii  libsensors-config             1:3.6.0-9build1                   all          lm-sensors configuration files
 ii  libsensors5:amd64             1:3.6.0-9build1                   amd64        library to read temperature/voltage/fan sensors
 ii  libsepol2:amd64               3.5-2build1                       amd64        SELinux library for manipulating binary security policies
-ii  libsframe1:amd64              2.42-4ubuntu2.4                   amd64        Library to handle the SFrame format (runtime library)
+ii  libsframe1:amd64              2.42-4ubuntu2.5                   amd64        Library to handle the SFrame format (runtime library)
 ii  libsigsegv2:amd64             2.14-1ubuntu2                     amd64        Library for handling page faults in a portable way
 ii  libsmartcols1:amd64           2.39.3-9ubuntu6.2                 amd64        smart column output alignment library
 ii  libsource-highlight-common    3.1.9-4.3build1                   all          architecture-independent files for source highlighting library
 ii  libsource-highlight4t64:amd64 3.1.9-4.3build1                   amd64        source highlighting library
-ii  libsqlite3-0:amd64            3.45.1-1ubuntu2.1                 amd64        SQLite 3 shared library
+ii  libsqlite3-0:amd64            3.45.1-1ubuntu2.3                 amd64        SQLite 3 shared library
 ii  libss2:amd64                  1.47.0-2.4~exp1ubuntu4.1          amd64        command-line interface parsing library
 ii  libssh-4:amd64                0.10.6-2build2                    amd64        tiny C SSH library (OpenSSL flavor)
 ii  libssh2-1t64:amd64            1.11.0-4.1build2                  amd64        SSH2 client-side library
 ii  libssl3t64:amd64              3.0.13-0ubuntu3.5                 amd64        Secure Sockets Layer toolkit - shared libraries
 ii  libstdc++-13-dev:amd64        13.3.0-6ubuntu2~24.04             amd64        GNU Standard C++ Library v3 (development files)
 ii  libstdc++6:amd64              14.2.0-4ubuntu2~24.04             amd64        GNU Standard C++ Library v3
-ii  libsystemd0:amd64             255.4-1ubuntu8.5                  amd64        systemd utility library
+ii  libsystemd0:amd64             255.4-1ubuntu8.6                  amd64        systemd utility library
 ii  libtalloc2:amd64              2.4.2-1build2                     amd64        hierarchical pool based memory allocator
 ii  libtasn1-6:amd64              4.19.0-3ubuntu0.24.04.1           amd64        Manage ASN.1 structures (runtime)
 ii  libtermkey1:amd64             0.22-1                            amd64        library for processing keyboard input
@@ -251,7 +252,7 @@ ii  libtree-sitter0:amd64         0.20.8-2                          amd64
 ii  libtsan2:amd64                14.2.0-4ubuntu2~24.04             amd64        ThreadSanitizer -- a Valgrind-based detector of data races (runtime)
 ii  libubsan1:amd64               14.2.0-4ubuntu2~24.04             amd64        UBSan -- undefined behaviour sanitizer (runtime)
 ii  libuchardet0:amd64            0.0.8-1build1                     amd64        universal charset detection library - shared library
-ii  libudev1:amd64                255.4-1ubuntu8.5                  amd64        libudev shared library
+ii  libudev1:amd64                255.4-1ubuntu8.6                  amd64        libudev shared library
 ii  libunibilium4:amd64           2.1.0-3                           amd64        simple, self-contained terminfo library
 ii  libunistring5:amd64           1.1-2build1.1                     amd64        Unicode string library for C
 ii  libunwind8:amd64              1.6.2-3build1.1                   amd64        library to determine the call-chain of a program - runtime
@@ -276,12 +277,12 @@ ii  libx32ubsan1                  14.2.0-4ubuntu2~24.04             amd64
 ii  libxau6:amd64                 1:1.0.9-1build6                   amd64        X11 authorisation library
 ii  libxcb1:amd64                 1.15-1ubuntu2                     amd64        X C Binding
 ii  libxdmcp6:amd64               1:1.1.3-0ubuntu6                  amd64        X11 Display Manager Control Protocol library
-ii  libxml2:amd64                 2.9.14+dfsg-1.3ubuntu3.2          amd64        GNOME XML library
+ii  libxml2:amd64                 2.9.14+dfsg-1.3ubuntu3.3          amd64        GNOME XML library
 ii  libxxhash0:amd64              0.8.2-2build1                     amd64        shared library for xxhash
 ii  libyaml-0-2:amd64             0.2.5-1build1                     amd64        Fast YAML 1.1 parser and emitter library
 ii  libzstd-dev:amd64             1.5.5+dfsg2-2build1.1             amd64        fast lossless compression algorithm -- development files
 ii  libzstd1:amd64                1.5.5+dfsg2-2build1.1             amd64        fast lossless compression algorithm
-ii  linux-libc-dev:amd64          6.8.0-55.57                       amd64        Linux Kernel Headers for development
+ii  linux-libc-dev:amd64          6.8.0-60.63                       amd64        Linux Kernel Headers for development
 ii  login                         1:4.13+dfsg1-4ubuntu3.2           amd64        system login tools
 ii  logsave                       1.47.0-2.4~exp1ubuntu4.1          amd64        save the output of a command in a log file
 ii  lsb-release                   12.0-2                            all          Linux Standard Base version reporting utility (minimal implementation)
@@ -314,9 +315,9 @@ ii  patch                         2.7.6-7build3                     amd64
 ii  patchelf                      0.18.0-1.1build1                  amd64        modify properties of ELF executables
 ii  patchutils                    0.4.2-1build3                     amd64        Utilities to work with patches
 ii  pax-utils                     1.3.7-1                           amd64        Security-focused ELF files checking tool
-ii  perl                          5.38.2-3.2build2.1                amd64        Larry Wall's Practical Extraction and Report Language
+ii  perl                          5.38.2-3.2ubuntu0.1               amd64        Larry Wall's Practical Extraction and Report Language
-ii  perl-base                     5.38.2-3.2build2.1                amd64        minimal Perl system
+ii  perl-base                     5.38.2-3.2ubuntu0.1               amd64        minimal Perl system
-ii  perl-modules-5.38             5.38.2-3.2build2.1                all          Core Perl modules
+ii  perl-modules-5.38             5.38.2-3.2ubuntu0.1               all          Core Perl modules
 ii  procps                        2:4.0.4-4ubuntu3.2                amd64        /proc file system utilities
 ii  proot                         5.1.0-1.3                         amd64        emulate chroot, bind mount and binfmt_misc for non-root users
 ii  python2.7-minimal             2.7.18-8+deb11u1                  amd64        Minimal subset of the Python language (version 2.7)
@@ -349,7 +350,7 @@ ii  sysstat                       12.6.1-2                          amd64
 ii  sysvinit-utils                3.08-6ubuntu3                     amd64        System-V-like utilities
 ii  tar                           1.35+dfsg-3build1                 amd64        GNU version of the tar archiving utility
 ii  time                          1.9-0.2build1                     amd64        GNU time program for measuring CPU resource usage
-ii  tzdata                        2024b-0ubuntu0.24.04.1            all          time zone and daylight-saving time data
+ii  tzdata                        2025b-0ubuntu0.24.04.1            all          time zone and daylight-saving time data
 ii  ubuntu-keyring                2023.11.28.1                      all          GnuPG keys of the Ubuntu archive
 ii  ucf                           3.0043+nmu1                       all          Update Configuration File(s): preserve user changes to config files
 ii  universal-ctags               5.9.20210829.0-1                  amd64        build tag file indexes of source code definitions
@@ -358,7 +359,7 @@ ii  unzip                         6.0-28ubuntu4.1                   amd64
 ii  util-linux                    2.39.3-9ubuntu6.2                 amd64        miscellaneous system utilities
 ii  valgrind                      1:3.22.0-0ubuntu3                 amd64        instrumentation framework for building dynamic analysis tools
 ii  wget                          1.21.4-1ubuntu4.1                 amd64        retrieves files from the web
-ii  xz-utils                      5.6.1+really5.4.5-1build0.1       amd64        XZ-format compression utilities
+ii  xz-utils                      5.6.1+really5.4.5-1ubuntu0.2      amd64        XZ-format compression utilities
 ii  yash                          2.55-2                            amd64        yet another shell
 ii  yq                            3.1.0-3                           all          Command-line YAML processor - jq wrapper for YAML documents
 ii  zip                           3.0-13ubuntu0.2                   amd64        Archiver for .zip files
@@ -374,9 +375,10 @@ ii  zstd                          1.5.5+dfsg2-2build1.1             amd64
 ||/ Name                          Version                           Architecture Description
 
 Packages sorted by Installed-Size:
-   971255 ===== TOTAL (368 packages)
+  1015747 ===== TOTAL (369 packages)
     76943 valgrind                                 amd64
     61333 gcc-13-x86-64-linux-gnu                  amd64
+    44381 gh                                       amd64
     36493 cmake                                    amd64
     35919 libicu74                                 amd64
     33545 g++-13-x86-64-linux-gnu                  amd64
@@ -410,7 +412,7 @@ Packages sorted by Installed-Size:
      7924 python3.12-minimal                       amd64
      7913 perl-base                                amd64
      7531 libx32gcc-13-dev                         amd64
-     7359 linux-libc-dev                           amd64
+     7437 linux-libc-dev                           amd64
      7226 lib32stdc++-13-dev                       amd64
      7059 libx32stdc++-13-dev                      amd64
      7024 direnv                                   amd64
@@ -427,7 +429,7 @@ Packages sorted by Installed-Size:
      4341 ncurses-term                             all
      4244 minify                                   amd64
      4193 libglib2.0-0t64                          amd64
-     4103 apt                                      amd64
+     4108 apt                                      amd64
      4074 gojq                                     amd64
      3956 python3-pycryptodome                     amd64
      3833 libgprofng0                              amd64
@@ -442,13 +444,13 @@ Packages sorted by Installed-Size:
      3403 libaria2-0                               amd64
      3382 fd-find                                  amd64
      3364 libubsan1                                amd64
-     3244 libapt-pkg6.0t64                         amd64
+     3249 libapt-pkg6.0t64                         amd64
      3181 libx32ubsan1                             amd64
      3111 ksh93u+m                                 amd64
      3110 libstdc++6                               amd64
      3104 lib32ubsan1                              amd64
      2995 parallel                                 all
-     2957 elfutils                                 amd64
+     2958 elfutils                                 amd64
      2928 man-db                                   amd64
      2894 lib32stdc++6                             amd64
      2810 libx32stdc++6                            amd64
@@ -456,7 +458,7 @@ Packages sorted by Installed-Size:
      2431 zsh                                      amd64
      2419 passwd                                   amd64
      2352 libgnutls30t64                           amd64
-     2346 libbinutils                              amd64
+     2350 libbinutils                              amd64
      2191 ht                                       amd64
      2183 libc-bin                                 amd64
      2163 git-man                                  all
@@ -473,7 +475,7 @@ Packages sorted by Installed-Size:
      1761 libdb5.3t64                              amd64
      1757 libunistring5                            amd64
      1736 gawk                                     amd64
-     1730 libsqlite3-0                             amd64
+     1731 libsqlite3-0                             amd64
      1712 libp11-kit0                              amd64
      1634 mksh                                     amd64
      1610 socat                                    amd64
@@ -484,7 +486,7 @@ Packages sorted by Installed-Size:
      1452 sysstat                                  amd64
      1448 yash                                     amd64
      1396 libgcrypt20                              amd64
-     1382 tzdata                                   all
+     1387 tzdata                                   all
      1362 libx11-6                                 amd64
      1342 libx11-data                              all
      1322 zlib1g-dev                               amd64
@@ -508,7 +510,7 @@ Packages sorted by Installed-Size:
       812 lua-luv                                  amd64
       785 musl                                     amd64
       781 rsync                                    amd64
-      765 libdw1t64                                amd64
+      766 libdw1t64                                amd64
       761 libzstd1                                 amd64
       751 libsepol2                                amd64
       745 libsource-highlight4t64                  amd64
@@ -546,9 +548,9 @@ Packages sorted by Installed-Size:
       415 libssh2-1t64                             amd64
       404 make                                     amd64
       389 python3-pyasn1                           all
+      388 libexpat1                                amd64
       386 ca-certificates                          all
       384 ncurses-base                             all
-      384 libexpat1                                amd64
       379 liblzma5                                 amd64
       375 unzip                                    amd64
       373 libgomp1                                 amd64
@@ -606,10 +608,10 @@ Packages sorted by Installed-Size:
       209 libpam0g                                 amd64
       207 libuchardet0                             amd64
       206 proot                                    amd64
+      204 libelf1t64                               amd64
       202 python3-pycurl                           amd64
       200 libselinux1                              amd64
       200 libnghttp2-14                            amd64
-      200 libelf1t64                               amd64
       199 execstack                                amd64
       198 libtree-sitter0                          amd64
       197 libgcc-s1                                amd64
@@ -682,14 +684,14 @@ Packages sorted by Installed-Size:
        77 readline-common                          all
        77 python3-toml                             all
        75 libsasl2-modules-db                      amd64
-       74 libasm1t64                               amd64
+       75 libasm1t64                               amd64
        74 libacl1                                  amd64
        72 libffi8                                  amd64
        72 diffstat                                 amd64
+       70 libdebuginfod1t64                        amd64
        69 yq                                       all
        69 libss2                                   amd64
        69 liberror-perl                            all
-       69 libdebuginfod1t64                        amd64
        67 libpipeline1                             amd64
        66 libhttp-parser2.9                        amd64
        66 bzip3                                    amd64
@@ -704,7 +706,7 @@ Packages sorted by Installed-Size:
        53 libnl-genl-3-200                         amd64
        51 logsave                                  amd64
        51 libutempter0                             amd64
-       50 libdebuginfod-common                     all
+       51 libdebuginfod-common                     all
        49 libatomic1                               amd64
        48 libmsgpackc2                             amd64
        47 python3-xmltodict                        all

misc/testsuite/mimic_ctest.sh

@@ -16,6 +16,12 @@ argv0=$0; argv0abs=$(readlink -fn "$argv0"); argv0dir=$(dirname "$argv0abs")
 #   $upx_exe_runner         (e.g. "qemu-x86_64 -cpu Nehalem" or "valgrind")
 #
 
+# Debugging aid for locating failing commands.  Depends on 'bash' shell.
+# (BASH_LINENO is relative to current FUNCTION only; non-function ==> 0)
+# Notice single-quoting of entire first argument.
+trap 'echo ERROR: pwd=\"$PWD\"  file=\"$BASH_SOURCE\"  line=${BASH_LINENO[0]}  cmd=\"$BASH_COMMAND\"' ERR
+# Example: "false a b c" ==> ERROR: pwd="path/misc/testsuite" file="./mimic_ctest.sh" line=0 cmd="false a b c"
+
 #***********************************************************************
 # init & checks
 #***********************************************************************
@@ -148,9 +154,15 @@ if [[ $UPX_CONFIG_DISABLE_EXHAUSTIVE_TESTS != ON ]]; then
     set +x
     for method in nrv2b nrv2d nrv2e lzma; do
         for level in 1 2 3 4 5 6 7; do
+            for small in normal small; do
                 s="${method}-${level}"
+                ss=
+                if [[ $small == "small" ]]; then
+                    s="${method}-${level}-${small}"
+                    ss="--small"
+                fi
                 echo "========== $s =========="
-            "${run_upx[@]}" -qq --${method} -${level} --all-filters --debug-use-random-filter "${upx_self_exe}" ${fo} -o upx-packed-${s}${exe}
+                "${run_upx[@]}" -qq --${method} -${level} ${ss} --all-filters --debug-use-random-filter "${upx_self_exe}" ${fo} -o upx-packed-${s}${exe}
                 "${run_upx[@]}" -qq -l upx-packed-${s}${exe}
                 "${run_upx[@]}" -qq --fileinfo upx-packed-${s}${exe}
                 "${run_upx[@]}" -qq -t upx-packed-${s}${exe}
@@ -161,6 +173,7 @@ if [[ $UPX_CONFIG_DISABLE_EXHAUSTIVE_TESTS != ON ]]; then
                 fi
             done
         done
+    done
 fi
 
 echo "run_upx='${run_upx[*]}'"

misc/testsuite/mimic_ctest_sigsegv.sh

@@ -0,0 +1,46 @@
+#! /usr/bin/env bash
+## vim:set ts=4 sw=4 et:
+set -e; set -o pipefail
+argv0=$0; argv0abs=$(readlink -fn "$argv0"); argv0dir=$(dirname "$argv0abs")
+
+#
+# Copyright (C) Markus Franz Xaver Johannes Oberhumer
+#
+# mimic running "ctest", i.e. the "test" section of CMakeLists.txt
+#   - does not redirect stdout
+#   - allows freely setting $upx_exe_runner, while CMake is restricted to configure-time settings
+#
+# requires:
+#   $upx_exe                (required, but with convenience fallback "./upx")
+# optional settings:
+#   $upx_exe_runner         (e.g. "qemu-x86_64 -cpu Nehalem" or "valgrind")
+#
+
+cat >catch-sigsegv.gdb <<'EOF'
+catch signal SIGSEGV
+commands
+    x/i $pc
+    info reg
+    x/32i $pc-0x20
+    quit 77
+end
+EOF
+
+catcher=$(readlink -fn catch-sigsegv.gdb)
+
+function emu_gdb() {
+    gdb -q -x "$catcher" <<EOF --args "$@"
+    run
+EOF
+}
+
+if [[ -n $upx_exe_runner ]]; then
+    true
+elif [[ -n $CMAKE_CROSSCOMPILING_EMULATOR ]]; then
+    true
+else
+    upx_exe_runner=emu_gdb
+    true
+fi
+
+source "$argv0dir/mimic_ctest.sh"

misc/testsuite/upx_testsuite_1-expected_sha256sums.sh

@@ -66,7 +66,7 @@ f60bab42fe3914109ab1b9f5d00a5be753cd0a2c1a79a3998d58800efedbfff7 *mipsel-linux.e
 b6d8cc9e2023a3fc415166afc378ccf2eb505487df84c8d959ec74b3fb4f8256 *mipsel-linux.elf/upx-3.95
 acd3dc5ed3e4c4eeaa42e7cca71a79d687dd844ce5f384666ed6e78327b5a8e3 *powerpc-linux.elf/upx-3.91
 03600584c97fa466ef58239452baf9ec6ff2f06b79d97d45c8490953080de6e3 *powerpc-linux.elf/upx-3.95
-2aa45e314e83a7ecc548a5116048a981755d00c3e102bd9a9fc6e9a2356047be *powerpc64le-linux.elf/upx-3.95
+e615fc0e61d2bdd09f34275ec6c3de46fe5ce54da61cf5f5c94c40c6072bc1d6 *powerpc64le-linux.elf/upx-3.95
 "
 expected_sha256sums__t120_compress_ucl_nrv2d_3_no_filter="\
 c5bafac11df5a38c1b72fd070373a0e1d5a066527129937c5bc9a280e21ad656 *amd64-linux.elf/upx-3.91
@@ -89,7 +89,7 @@ c3b3e5b0a379022b26bae96432c3f5f946990f45b0b26afe056afe1170bf33c7 *armeb-linux.el
 b78d8cd3a3402fed266c737cc34a32cc21b2b67b573e9e9071d4faf9fca89b89 *mipsel-linux.elf/upx-3.95
 ea9cae1d1701db3a0c53e9a651766db5bdc30032f48913a4a9e99f193a800acc *powerpc-linux.elf/upx-3.91
 aea86bf87870a1e48a454ac1ea9a80d90d8abe5113d418a71d8a9c4a74bb2d0a *powerpc-linux.elf/upx-3.95
-4b0c280570213f2cd94dad68aa8251baf05f817b4a569dda9444ff0d3adbb33d *powerpc64le-linux.elf/upx-3.95
+5fbc114a7fec5ed8e098d8e918cdf7b446a8c9dc5496336fe077fe084dbea8ce *powerpc64le-linux.elf/upx-3.95
 "
 expected_sha256sums__t130_compress_ucl_nrv2e_3_no_filter="\
 509bc9676a0f5f5ce6df118da8e792151db816fcce5490eadc87fc525aad5a35 *amd64-linux.elf/upx-3.91
@@ -112,7 +112,7 @@ cd9b3d3780a79cb416b261d622e8e86f2369fa8bb9bc49b529c50cac2980d528 *mipsel-linux.e
 5baf7db9e4335c0227106262efc9d18ad23b88c6d6bb636656aea67bb063b6ec *mipsel-linux.elf/upx-3.95
 aba8bd826ee52d533f9e1c4270d4f4194fe8d8747ea10a1d3ce59b6443f1a9f2 *powerpc-linux.elf/upx-3.91
 6f737ccbf8c830476bed9c4dd33dd7757ea25bf2f8fb03b44d03e9b77ada0f1b *powerpc-linux.elf/upx-3.95
-91ee0982626eec07e524523d54873790b183aca5bdb27255771fcbfbc081cbc3 *powerpc64le-linux.elf/upx-3.95
+62eeb7b59d1eafa59cbb5ffa6572fd47560a8a8bf85274e711f29d2fe390c773 *powerpc64le-linux.elf/upx-3.95
 "
 expected_sha256sums__t140_compress_lzma_2_no_filter="\
 ed2849169a873bb4070e9d878126f7bc19fb326d1dc6e169901ff3a3026661c3 *amd64-linux.elf/upx-3.91
@@ -135,7 +135,7 @@ e268c98fdacfd04268d76644f2bb4746ae04b57801407aaa1867798840eeeea0 *m68k-atari.tos
 339d38602413d97d9bba113f39884815af10ebcdccf37e3f5e8d0879f262a048 *mipsel-linux.elf/upx-3.95
 6d4f9d4383ebc9d8411d06a7c219dcf3e8513ea8c989f2d31ab382602f873ba5 *powerpc-linux.elf/upx-3.91
 5dd727d8d5a35cc0ab86d629285d8ff450f52b538118679edaa886ce9c1fed7d *powerpc-linux.elf/upx-3.95
-d915a3326dda439c0e30df2bd7abf9856a5b5e039142c4ea74e72cb43c854160 *powerpc64le-linux.elf/upx-3.95
+7b9aeffda399143db878f24a9faecdc21fb8ec906fed80bc6636d82771090f2f *powerpc64le-linux.elf/upx-3.95
 "
 expected_sha256sums__t150_compress_ucl_2_all_filters="\
 fc30606d37c697f5c79742bf6e7d2afa8503e69fc87e52274d00b5210d03157a *amd64-linux.elf/upx-3.91
@@ -158,7 +158,7 @@ c5107a84d32de820c81401259a7dd23435ea625588d56c6c75ad6fa14b0dbf8b *mips-linux.elf
 fd9ea397a29b41a2143f9e02217e181d0075d7ad7d87bdbadc7fc94bfb1b0d76 *mipsel-linux.elf/upx-3.95
 c47d1299f6ecf86e62528fc54979117b2b2ddbb6c80f553689402399fc7eab28 *powerpc-linux.elf/upx-3.91
 77c3b4ba6909a4e20180bc13775e280086d67240519c323c2005f3fcee6e0b78 *powerpc-linux.elf/upx-3.95
-9741ba142aa8f9fb554dbab3a0295b1aa58e5f246274e2831583d8f99af59764 *powerpc64le-linux.elf/upx-3.95
+030a1ac080381a5ec7ad1e167f8809709620e555db792f43146c8c34e2cb37ec *powerpc64le-linux.elf/upx-3.95
 "
 expected_sha256sums__t160_compress_all_methods_1_no_filter="\
 115046275f6bccbaa34b7aefbedeba8741aba4e4876340a3d7363bae86ee4209 *amd64-linux.elf/upx-3.91
@@ -181,7 +181,7 @@ f3d33c5c9809943a902133490bcf0cfbe39a5ef1635a0c29b3bdc4f35dfffa50 *i386-win32.pe/
 68f674d081d87e86e54f0051eee9e2bc85b566051992774ab28ff3173cbcb75a *mipsel-linux.elf/upx-3.95
 f569d8f49d7110bb8b262a48055b39d889e9977c40c5f1b21e74f8cbf93b27ae *powerpc-linux.elf/upx-3.91
 d8227a8a88c083760889acaf259e7da59eab75a23e341289bc8e3c60563ae344 *powerpc-linux.elf/upx-3.95
-1675cd12ecdccdcc8bb73d75e8841f5bfde6dfd424dc73cb0065ebf271ace1f8 *powerpc64le-linux.elf/upx-3.95
+8260862f104a23c2a3fa574e10d882204ed40a17702040edbbbc8d25f961163f *powerpc64le-linux.elf/upx-3.95
 "
 expected_sha256sums__t170_compress_all_methods_no_lzma_5_no_filter="\
 09cee61e2a4e94455d75a76711078719c3ca7fab77f047c4c85c9424e651956d *amd64-linux.elf/upx-3.91
@@ -204,6 +204,6 @@ ad47c7522167f6f7e47d495e1fa119431386ca5ea9bc16b6a4b9cb38cf9cd29f *i386-win32.pe/
 1dcd626fc4566c608e987fd6999b695793c5cae7f78872e3d1a9a23942fea188 *mipsel-linux.elf/upx-3.95
 2047a4a880322bf41e8afbb4787f6103364de4a299b543808251a4144c4d990b *powerpc-linux.elf/upx-3.91
 63679bd238f30bfb14853246eb257536471fea10f942b2adfdd43cbef21dea30 *powerpc-linux.elf/upx-3.95
-f075e10b0f7c9ab703d0f923387e7ae425fa22c04349cb8085916c32afe4eef2 *powerpc64le-linux.elf/upx-3.95
+bee0b9b5fa783550d3e7e5ba6e48d92776578dd82d6ac644e14191e0879d185b *powerpc64le-linux.elf/upx-3.95
 "
 ########## end .sha256sums.recreate

src/bele.h

@@ -32,8 +32,9 @@
 // NE - Native Endianness (aka Host Endianness aka CPU Endianness)
 // TE - Target Endianness (not used here, see various packers)
 
-static_assert(std::is_same_v<upx_uint32_t, unsigned>);
 static_assert(std::is_same_v<byte, unsigned char>);
+static_assert(std::is_same_v<upx_int32_t, int>);
+static_assert(std::is_same_v<upx_uint32_t, unsigned>);
 
 #if defined(upx_is_constant_evaluated)
 #define bele_constexpr constexpr
@@ -411,7 +412,7 @@ inline bele_constexpr void set_le14_5(XE32 *p, unsigned v) noexcept {
 // get signed values
 **************************************************************************/
 
-forceinline constexpr int sign_extend(unsigned v, unsigned bits) noexcept {
+forceinline constexpr int sign_extend32(unsigned v, unsigned bits) noexcept {
 #if (ACC_ARCH_M68K) // no barrel shifter
     const unsigned sign_bit = 1u << (bits - 1);
     return ACC_ICAST(int, (v & (sign_bit - 1)) - (v & sign_bit));
@@ -420,7 +421,7 @@ forceinline constexpr int sign_extend(unsigned v, unsigned bits) noexcept {
 #endif
 }
 
-forceinline constexpr upx_int64_t sign_extend(upx_uint64_t v, unsigned bits) noexcept {
+forceinline constexpr upx_int64_t sign_extend64(upx_uint64_t v, unsigned bits) noexcept {
 #if (ACC_ARCH_M68K) // no barrel shifter
     const upx_uint64_t sign_bit = upx_uint64_t(1) << (bits - 1);
     return ACC_ICAST(upx_int64_t, (v & (sign_bit - 1)) - (v & sign_bit));
@@ -432,49 +433,49 @@ forceinline constexpr upx_int64_t sign_extend(upx_uint64_t v, unsigned bits) noe
 REQUIRE_XE16
 inline bele_constexpr int get_be16_signed(const XE16 *p) noexcept {
     unsigned v = get_be16(p);
-    return sign_extend(v, 16);
+    return sign_extend32(v, 16);
 }
 
 REQUIRE_XE24
 inline bele_constexpr int get_be24_signed(const XE24 *p) noexcept {
     unsigned v = get_be24(p);
-    return sign_extend(v, 24);
+    return sign_extend32(v, 24);
 }
 
 REQUIRE_XE32
 inline bele_constexpr int get_be32_signed(const XE32 *p) noexcept {
     unsigned v = get_be32(p);
-    return sign_extend(v, 32);
+    return sign_extend32(v, 32);
 }
 
 REQUIRE_XE64
 inline bele_constexpr upx_int64_t get_be64_signed(const XE64 *p) noexcept {
     upx_uint64_t v = get_be64(p);
-    return sign_extend(v, 64);
+    return sign_extend64(v, 64);
 }
 
 REQUIRE_XE16
 inline bele_constexpr int get_le16_signed(const XE16 *p) noexcept {
     unsigned v = get_le16(p);
-    return sign_extend(v, 16);
+    return sign_extend32(v, 16);
 }
 
 REQUIRE_XE24
 inline bele_constexpr int get_le24_signed(const XE24 *p) noexcept {
     unsigned v = get_le24(p);
-    return sign_extend(v, 24);
+    return sign_extend32(v, 24);
 }
 
 REQUIRE_XE32
 inline bele_constexpr int get_le32_signed(const XE32 *p) noexcept {
     unsigned v = get_le32(p);
-    return sign_extend(v, 32);
+    return sign_extend32(v, 32);
 }
 
 REQUIRE_XE64
 inline bele_constexpr upx_int64_t get_le64_signed(const XE64 *p) noexcept {
     upx_uint64_t v = get_le64(p);
-    return sign_extend(v, 64);
+    return sign_extend64(v, 64);
 }
 
 /*************************************************************************

src/check/dt_check.cpp

@@ -283,18 +283,18 @@ static_assert(bswap32(bswap32(0xf4f3f2f1)) == no_bswap32(0xf4f3f2f1));
 static_assert(bswap64(bswap64(0xf8f7f6f5f4f3f2f1ull)) == no_bswap64(0xf8f7f6f5f4f3f2f1ull));
 #endif
 
-static_assert(sign_extend(0u + 0, 8) == 0);
+static_assert(sign_extend32(0u + 0, 8) == 0);
-static_assert(sign_extend(0u + 1, 8) == 1);
+static_assert(sign_extend32(0u + 1, 8) == 1);
-static_assert(sign_extend(0u + 127, 8) == 127);
+static_assert(sign_extend32(0u + 127, 8) == 127);
-static_assert(sign_extend(0u + 128, 8) == -128);
+static_assert(sign_extend32(0u + 128, 8) == -128);
-static_assert(sign_extend(0u - 1, 8) == -1);
+static_assert(sign_extend32(0u - 1, 8) == -1);
-static_assert(sign_extend(0u + 256, 8) == 0);
+static_assert(sign_extend32(0u + 256, 8) == 0);
-static_assert(sign_extend(0u + 257, 8) == 1);
+static_assert(sign_extend32(0u + 257, 8) == 1);
-static_assert(sign_extend(0u + 383, 8) == 127);
+static_assert(sign_extend32(0u + 383, 8) == 127);
-static_assert(sign_extend(0u + 384, 8) == -128);
+static_assert(sign_extend32(0u + 384, 8) == -128);
-static_assert(sign_extend(0u + 511, 8) == -1);
+static_assert(sign_extend32(0u + 511, 8) == -1);
-static_assert(sign_extend(upx_uint64_t(0) + 0, 1) == 0);
+static_assert(sign_extend64(upx_uint64_t(0) + 0, 1) == 0);
-static_assert(sign_extend(upx_uint64_t(0) + 1, 1) == -1);
+static_assert(sign_extend64(upx_uint64_t(0) + 1, 1) == -1);
 
 static_assert(CHAR_BIT == 8);
 #if 0 // does not work with MSVC
@@ -1212,29 +1212,33 @@ void upx_compiler_sanity_check(void) noexcept {
         for (int i = 0; i < 256; i++) {
             {
                 const unsigned u = i;
-                assert_noexcept(sign_extend(u, 1) == ((i & 1) ? -1 : 0));
+                assert_noexcept(sign_extend32(u, 1) == ((i & 1) ? -1 : 0));
-                assert_noexcept(sign_extend(u, 2) == ((i & 2) ? -2 + (i & 1) : (i & 1)));
+                assert_noexcept(sign_extend32(u, 2) == ((i & 2) ? -2 + (i & 1) : (i & 1)));
-                assert_noexcept(sign_extend(u, 3) == ((i & 4) ? -4 + (i & 3) : (i & 3)));
+                assert_noexcept(sign_extend32(u, 3) == ((i & 4) ? -4 + (i & 3) : (i & 3)));
-                assert_noexcept(sign_extend(u, 4) == ((i & 8) ? -8 + (i & 7) : (i & 7)));
+                assert_noexcept(sign_extend32(u, 4) == ((i & 8) ? -8 + (i & 7) : (i & 7)));
-                assert_noexcept(sign_extend(u, 5) == ((i & 16) ? -16 + (i & 15) : (i & 15)));
+                assert_noexcept(sign_extend32(u, 5) == ((i & 16) ? -16 + (i & 15) : (i & 15)));
-                assert_noexcept(sign_extend(u, 6) == ((i & 32) ? -32 + (i & 31) : (i & 31)));
+                assert_noexcept(sign_extend32(u, 6) == ((i & 32) ? -32 + (i & 31) : (i & 31)));
-                assert_noexcept(sign_extend(u, 7) == ((i & 64) ? -64 + (i & 63) : (i & 63)));
+                assert_noexcept(sign_extend32(u, 7) == ((i & 64) ? -64 + (i & 63) : (i & 63)));
-                assert_noexcept(sign_extend(u, 8) == ((i & 128) ? -128 + (i & 127) : (i & 127)));
+                assert_noexcept(sign_extend32(u, 8) == ((i & 128) ? -128 + (i & 127) : (i & 127)));
-                assert_noexcept(sign_extend(u, 32) == i);
+                assert_noexcept(sign_extend32(u, 9) == i);
-                assert_noexcept(sign_extend(0u - u, 32) == -i);
+                assert_noexcept(sign_extend32(u, 32) == i);
+                assert_noexcept(sign_extend32(0u - u, 32) == -i);
             }
             {
                 const upx_uint64_t u = i;
-                assert_noexcept(sign_extend(u, 1) == ((i & 1) ? -1 : 0));
+                assert_noexcept(sign_extend64(u, 1) == ((i & 1) ? -1 : 0));
-                assert_noexcept(sign_extend(u, 2) == ((i & 2) ? -2 + (i & 1) : (i & 1)));
+                assert_noexcept(sign_extend64(u, 2) == ((i & 2) ? -2 + (i & 1) : (i & 1)));
-                assert_noexcept(sign_extend(u, 3) == ((i & 4) ? -4 + (i & 3) : (i & 3)));
+                assert_noexcept(sign_extend64(u, 3) == ((i & 4) ? -4 + (i & 3) : (i & 3)));
-                assert_noexcept(sign_extend(u, 4) == ((i & 8) ? -8 + (i & 7) : (i & 7)));
+                assert_noexcept(sign_extend64(u, 4) == ((i & 8) ? -8 + (i & 7) : (i & 7)));
-                assert_noexcept(sign_extend(u, 5) == ((i & 16) ? -16 + (i & 15) : (i & 15)));
+                assert_noexcept(sign_extend64(u, 5) == ((i & 16) ? -16 + (i & 15) : (i & 15)));
-                assert_noexcept(sign_extend(u, 6) == ((i & 32) ? -32 + (i & 31) : (i & 31)));
+                assert_noexcept(sign_extend64(u, 6) == ((i & 32) ? -32 + (i & 31) : (i & 31)));
-                assert_noexcept(sign_extend(u, 7) == ((i & 64) ? -64 + (i & 63) : (i & 63)));
+                assert_noexcept(sign_extend64(u, 7) == ((i & 64) ? -64 + (i & 63) : (i & 63)));
-                assert_noexcept(sign_extend(u, 8) == ((i & 128) ? -128 + (i & 127) : (i & 127)));
+                assert_noexcept(sign_extend64(u, 8) == ((i & 128) ? -128 + (i & 127) : (i & 127)));
-                assert_noexcept(sign_extend(u, 64) == i);
+                assert_noexcept(sign_extend64(u, 9) == i);
-                assert_noexcept(sign_extend(upx_uint64_t(0) - u, 64) == -i);
+                assert_noexcept(sign_extend64(u, 32) == i);
+                assert_noexcept(sign_extend64(upx_uint64_t(0) - u, 32) == -i);
+                assert_noexcept(sign_extend64(u, 64) == i);
+                assert_noexcept(sign_extend64(upx_uint64_t(0) - u, 64) == -i);
             }
         }
     }

src/check/dt_cxxlib.cpp

@@ -558,7 +558,8 @@ TEST_CASE("upx::ObjectDeleter 1") {
     LE32 *a = nullptr; // array
     LE64 *m = nullptr; // malloc
     {
-        auto o_deleter = upx::ObjectDeleter(&o, 1);
+        // auto o_deleter = upx::ObjectDeleter(&o, 1);
+        upx::ObjectDeleter<LE16> o_deleter = upx::ObjectDeleter(&o, 1);
         o = new LE16;
         assert(o != nullptr);
         auto a_deleter = upx::ArrayDeleter(&a, 1);
@@ -594,7 +595,8 @@ TEST_CASE("upx::ObjectDeleter 2") {
     BE32 *a[N]; // multiple arrays
     BE64 *m[N]; // multiple mallocs
     {
-        auto o_deleter = upx::ObjectDeleter(o, 0);
+        // auto o_deleter = upx::ObjectDeleter(o, 0);
+        upx::ObjectDeleter<BE16> o_deleter = upx::ObjectDeleter(o, 0);
         auto a_deleter = upx::ArrayDeleter(a, 0);
         auto m_deleter = upx::MallocDeleter(m, 0);
         for (size_t i = 0; i < N; i++) {

src/conf.h

@@ -71,6 +71,10 @@ static_assert((-1) >> 31 == -1);               // arithmetic right shift
 static_assert(CHAR_MAX == 255);                // -funsigned-char
 static_assert((char) (-1) == 255);             // -funsigned-char
 
+// disable some more strict warnings
+#if defined(__clang__) && __has_warning("-Wunnecessary-virtual-specifier")
+#pragma clang diagnostic ignored "-Wunnecessary-virtual-specifier"
+#endif
 // enable some more strict warnings for Git developer builds
 #if defined(UPX_CONFIG_DISABLE_WSTRICT) && (UPX_CONFIG_DISABLE_WSTRICT + 0 == 0)
 #if defined(UPX_CONFIG_DISABLE_WERROR) && (UPX_CONFIG_DISABLE_WERROR + 0 == 0)

src/p_lx_elf.cpp

@@ -1532,7 +1532,7 @@ PackLinuxElf32::buildLinuxLoader(
 //   EXP_TAIL  FIXME: unfilter
 //   SO_TAIL
 //   SO_MAIN  C-language supervision based on PT_LOADs
-        char sec[120]; memset(sec, 0, sizeof(sec));  // debug convenience
+        char sec[200]; memset(sec, 0, sizeof(sec));  // debug convenience
         int len = 0;
         unsigned m_decompr = methods_used | (1u << (0xFF & ph_forced_method(ph.method)));
         len += snprintf(sec, sizeof(sec), "%s", "SO_HEAD,ptr_NEXT,EXP_HEAD");
@@ -1584,7 +1584,7 @@ PackLinuxElf32::buildLinuxLoader(
          ||  this->e_machine==Elf32_Ehdr::EM_MIPS
          ) { // main program with ELF2 de-compressor (folded portion)
         initLoader(fold, szfold);
-        char sec[120]; memset(sec, 0, sizeof(sec));  // debug convenience
+        char sec[200]; memset(sec, 0, sizeof(sec));  // debug convenience
         int len = 0;
         unsigned m_decompr = methods_used | (1u << (0xFF & ph_forced_method(ph.method)));
         len += snprintf(sec, sizeof(sec), "%s", ".text,EXP_HEAD");
@@ -1729,7 +1729,7 @@ PackLinuxElf64::buildLinuxLoader(
 //   EXP_TAIL  FIXME: unfilter
 //   SO_TAIL
 //   SO_MAIN  C-language supervision based on PT_LOADs
-        char sec[120]; memset(sec, 0, sizeof(sec));  // debug convenience
+        char sec[200]; memset(sec, 0, sizeof(sec));  // debug convenience
         int len = 0;
         unsigned m_decompr = methods_used | (1u << (0xFF & ph_forced_method(ph.method)));
         len += snprintf(sec, sizeof(sec), "%s", "SO_HEAD,ptr_NEXT,EXP_HEAD");
@@ -1774,7 +1774,7 @@ PackLinuxElf64::buildLinuxLoader(
          ||  this->e_machine==Elf64_Ehdr::EM_PPC64
          ) { // main program with ELF2 de-compressor (folded portion)
         initLoader(fold, szfold);
-        char sec[120]; memset(sec, 0, sizeof(sec));  // debug convenience
+        char sec[200]; memset(sec, 0, sizeof(sec));  // debug convenience
         int len = 0;
         unsigned m_decompr = methods_used | (1u << (0xFF & ph_forced_method(ph.method)));
         len += snprintf(sec, sizeof(sec), "%s", ".text,EXP_HEAD");
@@ -2378,10 +2378,11 @@ PackLinuxElf32::invert_pt_dynamic(Elf32_Dyn const *dynp, u32_t headway)
         throwCantPack("bad DT_STRSZ %#x", strtab_max);
     }
 
-    // Find end of DT_SYMTAB
+    { // Find end of DT_SYMTAB
         unsigned const tmp2 = elf_find_table_size(Elf32_Dyn::DT_SYMTAB,
             Elf32_Shdr::SHT_DYNSYM);
-    symnum_max = (~0u == tmp2) ? 0 : tmp1 / sizeof(Elf32_Sym);
+        symnum_max = (~0u == tmp2) ? 0 : tmp2 / sizeof(Elf32_Sym);
+    }
 
     unsigned v_sym = dt_table[Elf32_Dyn::DT_SYMTAB];
     if (v_sym) {
@@ -8470,10 +8471,11 @@ PackLinuxElf64::invert_pt_dynamic(Elf64_Dyn const *dynp, upx_uint64_t headway)
         throwCantPack("bad DT_STRSZ %#x", strtab_max);
     }
 
-    // Find end of DT_SYMTAB
+    { // Find end of DT_SYMTAB
         unsigned const tmp2 = elf_find_table_size(Elf64_Dyn::DT_SYMTAB,
             Elf64_Shdr::SHT_DYNSYM);
-    symnum_max = (~0u == tmp2) ? 0 : tmp1 / sizeof(Elf64_Sym);
+        symnum_max = (~0u == tmp2) ? 0 : tmp2 / sizeof(Elf64_Sym);
+    }
 
     unsigned v_sym = dt_table[Elf64_Dyn::DT_SYMTAB];
     if (v_sym) {
@@ -8704,9 +8706,9 @@ Elf32_Sym const *PackLinuxElf32::elf_lookup(char const *name) const
 
             if (1& (w>>hbit1) & (w>>hbit2)) {
                 unsigned const hhead = get_te32(&buckets[h % n_bucket]);
-                if (n_bucket <= (hhead - symbias)) {
+                if (symnum_max <= hhead || (hhead && hhead < symbias)) {
-                    throwCantPack("bad DT_GNU_HASH n_bucket{%#x} <= buckets[%d]{%#x} - symbias{%#x}\n",
+                    throwCantPack("bad DT_GNU_HASH symnum_max{%#x} <= buckets[%d]{%#x} < symbias{%#x}\n",
-                            n_bucket, h % n_bucket, hhead, symbias);
+                            symnum_max, h % n_bucket, hhead, symbias);
                 }
                 if (hhead) {
                     Elf32_Sym const *dsp = &dynsym[hhead];
@@ -8805,6 +8807,10 @@ Elf64_Sym const *PackLinuxElf64::elf_lookup(char const *name) const
             upx_uint64_t const w = get_te64(&bitmask[(n_bitmask -1) & (h>>6)]);
             if (1& (w>>hbit1) & (w>>hbit2)) {
                 unsigned hhead = get_te32(&buckets[h % n_bucket]);
+                if (symnum_max <= hhead || (hhead && hhead < symbias)) {
+                    throwCantPack("bad DT_GNU_HASH symnum_max{%#x} <= buckets[%d]{%#x} < symbias{%#x}\n",
+                            symnum_max, h % n_bucket, hhead, symbias);
+                }
                 if (hhead) {
                     Elf64_Sym const *dsp = &dynsym[hhead];
                     unsigned const *hp = &hasharr[hhead - symbias];

src/pefile.cpp

@@ -580,14 +580,15 @@ void PeFile32::processRelocs() // pass1
     // deliberately corrupt.  Sometimes it is even tuned to cause us trouble!
     // Use an extra check to avoid AccessViolation (SIGSEGV) when appending
     // the relocs into one array.
-    if ((4 * relocnum + 8192) <
+    if ((sizeof(LE32) * relocnum + 8192) <
-        (sorelocs + 4 * (2 + xcounts[IMAGE_REL_BASED_LOW] + xcounts[IMAGE_REL_BASED_HIGH])))
+        (sorelocs +
+         sizeof(LE32) * (2 + xcounts[IMAGE_REL_BASED_LOW] + xcounts[IMAGE_REL_BASED_HIGH])))
         throwCantUnpack("Invalid relocs");
 
     // append relocs type "LOW" then "HIGH"
     for (unsigned ic = IMAGE_REL_BASED_LOW; ic >= IMAGE_REL_BASED_HIGH; ic--) {
-        memcpy(orelocs + sorelocs, fix[ic], 4 * xcounts[ic]);
+        memcpy(orelocs + sorelocs, fix[ic], sizeof(LE32) * xcounts[ic]);
-        sorelocs += 4 * xcounts[ic];
+        sorelocs += sizeof(LE32) * xcounts[ic];
         set_le32(orelocs + sorelocs, 0);
         if (xcounts[ic]) {
             sorelocs += 4;
@@ -1224,7 +1225,15 @@ void PeFile::Export::convert(unsigned eoffs, unsigned esize) {
     size += len;
     iv.add_interval(edir.name, len);
 
-    len = 4 * edir.functions;
+    // This test is weak because it does not consider other necessary storage.
+    // But it does detect outrageous individual members.
+    // Note: sizeof(LE32) <= sizeof(char *)
+    if (UPX_RSIZE_MAX_MEM / sizeof(char *) <= edir.functions ||
+        UPX_RSIZE_MAX_MEM / sizeof(char *) <= edir.names) {
+        throwCantPack("export directory too big:  functions=%#x  names=%#x",
+                      (unsigned) edir.functions, (unsigned) edir.names);
+    }
+    len = sizeof(LE32) * edir.functions;
     functionptrs = New(char, len + 1);
     memcpy(functionptrs, base + edir.addrtable, len);
     size += len;
@@ -1233,14 +1242,14 @@ void PeFile::Export::convert(unsigned eoffs, unsigned esize) {
     unsigned ic;
     names = New(char *, edir.names + edir.functions + 1);
     for (ic = 0; ic < edir.names; ic++) {
-        char *n = base + get_le32(base + edir.nameptrtable + ic * 4);
+        char *n = base + get_le32(base + edir.nameptrtable + ic * sizeof(LE32));
         len = strlen(n) + 1;
         names[ic] = strdup(n);
         size += len;
-        iv.add_interval(get_le32(base + edir.nameptrtable + ic * 4), len);
+        iv.add_interval(get_le32(base + edir.nameptrtable + ic * sizeof(LE32)), len);
     }
-    iv.add_interval(edir.nameptrtable, 4 * edir.names);
+    iv.add_interval(edir.nameptrtable, sizeof(LE32) * edir.names);
-    size += 4 * edir.names;
+    size += sizeof(LE32) * edir.names;
 
     LE32 *fp = (LE32 *) functionptrs;
     // export forwarders
@@ -1270,8 +1279,8 @@ void PeFile::Export::convert(unsigned eoffs, unsigned esize) {
 
 void PeFile::Export::build(char *newbase, unsigned newoffs) {
     char *const functionp = newbase + sizeof(edir);
-    char *const namep = functionp + 4 * edir.functions;
+    char *const namep = functionp + sizeof(LE32) * edir.functions;
-    char *const ordinalp = namep + 4 * edir.names;
+    char *const ordinalp = namep + sizeof(LE32) * edir.names;
     char *const enamep = ordinalp + 2 * edir.names;
     char *exports = enamep + strlen(ename) + 1;
 
@@ -1286,15 +1295,15 @@ void PeFile::Export::build(char *newbase, unsigned newoffs) {
     unsigned ic;
     for (ic = 0; ic < edir.names; ic++) {
         strcpy(exports, names[ic]);
-        set_le32(namep + 4 * ic, newoffs + ptr_diff_bytes(exports, newbase));
+        set_le32(namep + sizeof(LE32) * ic, newoffs + ptr_diff_bytes(exports, newbase));
         exports += strlen(exports) + 1;
     }
 
-    memcpy(functionp, functionptrs, 4 * edir.functions);
+    memcpy(functionp, functionptrs, sizeof(LE32) * edir.functions);
     for (ic = 0; ic < edir.functions; ic++)
         if (names[edir.names + ic]) {
             strcpy(exports, names[edir.names + ic]);
-            set_le32(functionp + 4 * ic, newoffs + ptr_diff_bytes(exports, newbase));
+            set_le32(functionp + sizeof(LE32) * ic, newoffs + ptr_diff_bytes(exports, newbase));
             exports += strlen(exports) + 1;
         }
 
@@ -1477,12 +1486,13 @@ void PeFile::processTls2(Reloc *const rel, const Interval *const iv, unsigned ne
 
     unsigned ic;
     // NEW: if TLS callbacks are used, relocate the VA of the callback chain, too - Stefan Widmann
-    for (ic = 0; ic < (use_tls_callbacks ? 4 * cb_size : 3 * cb_size); ic += cb_size)
+    for (ic = 0; ic < (use_tls_callbacks ? sizeof(LE32) * cb_size : (sizeof(LE32) - 1) * cb_size);
+         ic += cb_size)
         rel->add_reloc(newaddr + ic, reloc_type);
 
     SPAN_S_VAR(tls, const tlsp, mb_otls);
     // now the relocation entries in the tls data area
-    for (ic = 0; ic < iv->ivnum; ic += 4) {
+    for (ic = 0; ic < iv->ivnum; ic += sizeof(LE32)) {
         SPAN_S_VAR(byte, const pp,
                    otls + (iv->ivarr[ic].start - (tlsp->datastart - imagebase) + sizeof(tls)));
         LEXX *const p = (LEXX *) raw_bytes(pp, sizeof(LEXX));
@@ -2760,12 +2770,12 @@ void PeFile::rebuildRelocs(SPAN_S(byte) & extra_info, unsigned bits, unsigned fl
 
     SPAN_S_VAR(byte, const wrkmem, mb_wrkmem);
     for (unsigned ic = 0; ic < relocnum; ic++) {
-        OPTR_VAR(byte, const p, obuf + get_le32(wrkmem + 4 * ic));
+        OPTR_VAR(byte, const p, obuf + get_le32(wrkmem + sizeof(LE32) * ic));
         if (bits == 32)
             set_le32(p, get_le32(p) + imagebase + rvamin);
         else
             set_le64(p, get_le64(p) + imagebase + rvamin);
-        rel.add_reloc(rvamin + get_le32(wrkmem + 4 * ic),
+        rel.add_reloc(rvamin + get_le32(wrkmem + sizeof(LE32) * ic),
                       bits == 32 ? IMAGE_REL_BASED_HIGHLOW : IMAGE_REL_BASED_DIR64);
     }
     rel.finish(oxrelocs, soxrelocs);

src/stub/powerpc64-linux.elf-fold.h

@@ -33,8 +33,8 @@
 /* clang-format off */
 
 #define STUB_POWERPC64_LINUX_ELF_FOLD_SIZE    20887
-#define STUB_POWERPC64_LINUX_ELF_FOLD_ADLER32 0x7e448798
+#define STUB_POWERPC64_LINUX_ELF_FOLD_ADLER32 0x648b8800
-#define STUB_POWERPC64_LINUX_ELF_FOLD_CRC32   0x90ae5864
+#define STUB_POWERPC64_LINUX_ELF_FOLD_CRC32   0xe5c140f3
 
 unsigned char stub_powerpc64_linux_elf_fold[20887] = {
 /* 0x0000 */ 127, 69, 76, 70,  2,  2,  1,  0,  0,  0,  0,  0,  0,  0,  0,  0,
@@ -47,7 +47,7 @@ unsigned char stub_powerpc64_linux_elf_fold[20887] = {
 /* 0x0070 */  72,  0,  0,  5,124,200,  2,166,124,  8,  3,166,232,  6,255,204,
 /* 0x0080 */ 124, 96,  0,120,124, 96, 24, 80,124,132,  2, 20, 72,  0,  0,  0,
 /* 0x0090 */ 124,  8,  2,166, 72,  0,  0,  5,124,200,  2,166,124,  8,  3,166,
-/* 0x00a0 */ 128,  6,255,168,124, 96,  0,120,124, 96, 24, 80,124,132,  2, 20,
+/* 0x00a0 */ 232,  6,255,168,124, 96,  0,120,124, 96, 24, 80,124,132,  2, 20,
 /* 0x00b0 */ 124,227, 34, 20, 56,231,255,255, 96,102,  0,127,124,  0, 48,108,
 /* 0x00c0 */ 124,  6, 56, 64,124,  0, 55,172, 56,198,  0,128, 65,128,255,240,
 /* 0x00d0 */ 124,  0,  4,172, 76,  0,  1, 44, 72,  0,  0,  0,124,  8,  2,166,

src/stub/powerpc64le-linux.elf-fold.h

@@ -33,8 +33,8 @@
 /* clang-format off */
 
 #define STUB_POWERPC64LE_LINUX_ELF_FOLD_SIZE    20929
-#define STUB_POWERPC64LE_LINUX_ELF_FOLD_ADLER32 0xc7a493c3
+#define STUB_POWERPC64LE_LINUX_ELF_FOLD_ADLER32 0xbdc3942b
-#define STUB_POWERPC64LE_LINUX_ELF_FOLD_CRC32   0xb5b36810
+#define STUB_POWERPC64LE_LINUX_ELF_FOLD_CRC32   0xe9c52429
 
 unsigned char stub_powerpc64le_linux_elf_fold[20929] = {
 /* 0x0000 */ 127, 69, 76, 70,  2,  1,  1,  0,  0,  0,  0,  0,  0,  0,  0,  0,
@@ -47,7 +47,7 @@ unsigned char stub_powerpc64le_linux_elf_fold[20929] = {
 /* 0x0070 */   5,  0,  0, 72,166,  2,200,124,166,  3,  8,124,204,255,  6,232,
 /* 0x0080 */ 120,  0, 96,124, 80, 24, 96,124, 20,  2,132,124,  0,  0,  0, 72,
 /* 0x0090 */ 166,  2,  8,124,  5,  0,  0, 72,166,  2,200,124,166,  3,  8,124,
-/* 0x00a0 */ 168,255,  6,128,120,  0, 96,124, 80, 24, 96,124, 20,  2,132,124,
+/* 0x00a0 */ 168,255,  6,232,120,  0, 96,124, 80, 24, 96,124, 20,  2,132,124,
 /* 0x00b0 */  20, 34,227,124,255,255,231, 56,127,  0,102, 96,108, 48,  0,124,
 /* 0x00c0 */  64, 56,  6,124,172, 55,  0,124,128,  0,198, 56,240,255,128, 65,
 /* 0x00d0 */ 172,  4,  0,124, 44,  1,  0, 76,  0,  0,  0, 72,166,  2,  8,124,

src/stub/src/powerpc64-linux.elf-fold.S

@@ -129,7 +129,7 @@ Pprotect: .globl Pprotect
         b mprotect
 
 Psync: .globl Psync  // (addr, len, flags)
-        mflr r0; bl 0f; 0: mflr r6; mtlr r0; lwz r0,page_mask - 0b(r6)
+        mflr r0; bl 0f; 0: mflr r6; mtlr r0; ld r0,page_mask - 0b(r6)
         andc r0,a0,r0  // offset within page
         sub a0,a0,r0
         add a1,a1,r0

src/util/cxxlib.h

@@ -350,6 +350,7 @@ struct ObjectDeleter final {
             delete item; // single object delete
         }
     }
+    static_assert(std::is_nothrow_destructible_v<T>);
 };
 template <class T>
 struct ArrayDeleter final {
@@ -363,6 +364,7 @@ struct ArrayDeleter final {
             delete[] item; // array delete
         }
     }
+    static_assert(std::is_nothrow_destructible_v<T>);
 };
 template <class T>
 struct MallocDeleter final {

src/util/system_check_predefs.h

@@ -115,8 +115,8 @@
 #if !defined(__ORDER_BIG_ENDIAN__) || (__ORDER_BIG_ENDIAN__ + 0 != 4321)
 #error "unexpected __ORDER_BIG_ENDIAN__"
 #endif
-#if !defined(__ORDER_BIG_ENDIAN__) || (__ORDER_LITTLE_ENDIAN__ + 0 != 1234)
+#if !defined(__ORDER_LITTLE_ENDIAN__) || (__ORDER_LITTLE_ENDIAN__ + 0 != 1234)
-#error "unexpected __ORDER_BIG_ENDIAN__"
+#error "unexpected __ORDER_LITTLE_ENDIAN__"
 #endif
 #if (__BYTE_ORDER__ != __ORDER_BIG_ENDIAN__) && (__BYTE_ORDER__ != __ORDER_LITTLE_ENDIAN__)
 #error "unexpected __BYTE_ORDER__"

src/version.h

@@ -1,7 +1,7 @@
 #pragma once
-#define UPX_VERSION_HEX      0x050001 /* 05.00.01 */
+#define UPX_VERSION_HEX      0x050002 /* 05.00.02 */
-#define UPX_VERSION_STRING   "5.0.1"
+#define UPX_VERSION_STRING   "5.0.2"
-#define UPX_VERSION_STRING4  "5.01"
+#define UPX_VERSION_STRING4  "5.02"
-#define UPX_VERSION_DATE     "May 6th 2025"
+#define UPX_VERSION_DATE     "Jul 20th 2025"
-#define UPX_VERSION_DATE_ISO "2025-05-06"
+#define UPX_VERSION_DATE_ISO "2025-07-20"
 #define UPX_VERSION_YEAR     "2025"