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Fix brk+munmap in folded stubs for main programs

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qemu emulating a compressed ET_EXEC revealed an access to ElfXX_Phdr
on the discarded side of brk() during cleanup. qemu was more aggressive
than the Linux kernel implementation of brk().
        https://github.com/upx/upx/issues/683

	modified:   stub/src/i386-linux.elf-main.c
	modified:   stub/src/include/linux.h

	modified:   ../misc/testsuite/upx_testsuite_1-expected_sha256sums.sh

	modified:   stub/src/amd64-linux.elf-fold.S
	modified:   stub/src/arm.v4a-linux.elf-fold.S
	modified:   stub/src/arm64-linux.elf-fold.S
	modified:   stub/src/i386-linux.elf-fold.S
	modified:   stub/src/mipsel.r3000-linux.elf-fold.S
	modified:   stub/src/powerpc-linux.elf-fold.S
	modified:   stub/src/powerpc64le-linux.elf-fold.S

	modified:   stub/amd64-linux.elf-fold.h
	modified:   stub/arm.v4a-linux.elf-fold.h
	modified:   stub/arm.v5a-linux.elf-fold.h
	modified:   stub/arm64-linux.elf-fold.h
	modified:   stub/armeb.v4a-linux.elf-fold.h
	modified:   stub/i386-linux.elf-fold.h
	modified:   stub/mips.r3000-linux.elf-fold.h
	modified:   stub/mipsel.r3000-linux.elf-fold.h
	modified:   stub/powerpc-linux.elf-fold.h
	modified:   stub/powerpc64-linux.elf-fold.h
	modified:   stub/powerpc64le-linux.elf-fold.h

	modified:   stub/tmp/amd64-linux.elf-fold.map
	modified:   stub/tmp/arm.v4a-linux.elf-fold.map
	modified:   stub/tmp/arm.v5a-linux.elf-fold.map
	modified:   stub/tmp/arm64-linux.elf-fold.map
	modified:   stub/tmp/armeb.v4a-linux.elf-fold.map
	modified:   stub/tmp/i386-linux.elf-fold.map
	modified:   stub/tmp/mips.r3000-linux.elf-fold.map
	modified:   stub/tmp/mipsel.r3000-linux.elf-fold.map
	modified:   stub/tmp/powerpc-linux.elf-fold.map
	modified:   stub/tmp/powerpc64-linux.elf-fold.map
	modified:   stub/tmp/powerpc64le-linux.elf-fold.map
This commit is contained in:
John Reiser
2023-07-16 16:39:52 -07:00
committed by Markus F.X.J. Oberhumer
parent 3f7f26c74b
commit 067895fa5f
32 changed files with 2190 additions and 2176 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/stub/tmp/i386-linux.elf-fold.map
Vendored
+14 -14
View File
@@ -9,26 +9,26 @@ Linker script and memory map
TARGET(elf32-i386)
0x0000000000c01080 . = ((0xc01000 + SIZEOF_HEADERS) + 0xc)
.text 0x0000000000c01080 0x770
.text 0x0000000000c01080 0x764
*(.text)
.text 0x0000000000c01080 0x184 tmp/i386-linux.elf-fold.o
0x0000000000c011d6 mmap
0x0000000000c011ae Pprotect
.text 0x0000000000c01204 0x5e9 tmp/i386-linux.elf-main.o
0x0000000000c0132c get_page_mask
0x0000000000c016e3 upx_main
.text 0x0000000000c01080 0x190 tmp/i386-linux.elf-fold.o
0x0000000000c011e2 mmap
0x0000000000c011ba Pprotect
.text 0x0000000000c01210 0x5d1 tmp/i386-linux.elf-main.o
0x0000000000c01338 get_page_mask
0x0000000000c016d7 upx_main
*(.data)
*fill* 0x0000000000c017ed 0x3 00
.data 0x0000000000c017f0 0x0 tmp/i386-linux.elf-fold.o
.data 0x0000000000c017f0 0x0 tmp/i386-linux.elf-main.o
*fill* 0x0000000000c017e1 0x3 00
.data 0x0000000000c017e4 0x0 tmp/i386-linux.elf-fold.o
.data 0x0000000000c017e4 0x0 tmp/i386-linux.elf-main.o
.data
.bss 0x0000000000c017f0 0x0
.bss 0x0000000000c017f0 0x0 tmp/i386-linux.elf-fold.o
.bss 0x0000000000c017f0 0x0 tmp/i386-linux.elf-main.o
.bss 0x0000000000c017e4 0x0
.bss 0x0000000000c017e4 0x0 tmp/i386-linux.elf-fold.o
.bss 0x0000000000c017e4 0x0 tmp/i386-linux.elf-main.o
.rel.dyn 0x0000000000c017f0 0x0
.rel.dyn 0x0000000000c017e4 0x0
.rel.text 0x0000000000000000 0x0 tmp/i386-linux.elf-fold.o
LOAD tmp/i386-linux.elf-fold.o
LOAD tmp/i386-linux.elf-main.o