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Nice message for ancient Linux lacking memfd_create

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... or O_TMPFILE for recovery using /dev/shm
https://github.com/upx/upx/issues/889
	modified:   stub/src/upxfd_linux.c
	modified:   ../misc/testsuite/upx_testsuite_1-expected_sha256sums.sh
           plus generated  .h  .map  .dump
This commit is contained in:
John Reiser
2025-03-02 11:46:17 -08:00
parent 6998449715
commit 70f1ab8cb7
41 changed files with 24087 additions and 23727 deletions
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src/stub/tmp/amd64-linux.elf-so_entry.bin.dump
Generated Vendored
+12 -8
View File
@@ -5,10 +5,10 @@ Idx Name Size VMA LMA File off Algn
0 HUMF_A 05 0 0 040 2**0 CONTENTS
1 HUMF_L 05 0 0 045 2**0 CONTENTS
2 UMF_ANDROID 0133 0 0 050 2**4 CONTENTS
3 UMF_LINUX 0d4 0 0 0184 2**2 CONTENTS
4 ELFMAINX 0188 0 0 0258 2**2 CONTENTS
5 ELFMAINZ 0 0 0 03e0 2**0 CONTENTS
6 STRCON 027 0 0 03e0 2**0 CONTENTS
3 UMF_LINUX 0f9 0 0 0184 2**2 CONTENTS
4 ELFMAINX 0188 0 0 0280 2**2 CONTENTS
5 ELFMAINZ 0 0 0 0408 2**0 CONTENTS
6 STRCON 065 0 0 0408 2**0 CONTENTS
SYMBOL TABLE:
0000000000000000 l d ELFMAINZ 0 ELFMAINZ
0000000000000000 l d STRCON 0 STRCON
@@ -22,10 +22,11 @@ SYMBOL TABLE:
0000000000000000 *UND* 0 ftruncate
0000000000000000 g F UMF_ANDROID 0133 upx_mmap_and_fd_android
0000000000000000 *UND* 0 mmap
0000000000000000 g F UMF_LINUX 0d4 upx_mmap_and_fd_linux
0000000000000000 g F UMF_LINUX 0f9 upx_mmap_and_fd_linux
0000000000000000 *UND* 0 write
0000000000000000 *UND* 0 memfd_create
0000000000000000 *UND* 0 my_bkpt
0000000000000000 *UND* 0 exit
0000000000000000 *UND* 0 open
RELOCATION RECORDS FOR [HUMF_A]:
@@ -58,9 +59,12 @@ OFFSET TYPE VALUE
0000000000000042 R_X86_64_PLT32 memfd_create+0xfffffffffffffffc
000000000000004f R_X86_64_PC32 STRCON+0x000000000000001a
000000000000005e R_X86_64_PLT32 open+0xfffffffffffffffc
0000000000000071 R_X86_64_PLT32 ftruncate+0xfffffffffffffffc
000000000000009d R_X86_64_PLT32 mmap+0xfffffffffffffffc
00000000000000a5 R_X86_64_PLT32 get_page_mask+0xfffffffffffffffc
0000000000000073 R_X86_64_PC32 STRCON+0x0000000000000023
0000000000000082 R_X86_64_PLT32 write+0xfffffffffffffffc
000000000000008c R_X86_64_PLT32 exit+0xfffffffffffffffc
0000000000000096 R_X86_64_PLT32 ftruncate+0xfffffffffffffffc
00000000000000c2 R_X86_64_PLT32 mmap+0xfffffffffffffffc
00000000000000ca R_X86_64_PLT32 get_page_mask+0xfffffffffffffffc
RELOCATION RECORDS FOR [ELFMAINX]:
OFFSET TYPE VALUE