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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/arm.v4a-linux.elf-fold.map
Vendored
+5 -5
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@@ -8,7 +8,7 @@ Linker script and memory map
0x0000000000008040 . = ((0x8000 + SIZEOF_HEADERS) + 0xc)
.text 0x0000000000008040 0xadc
.text 0x0000000000008040 0xaa8
*(.text)
.text 0x0000000000008040 0x338 tmp/arm.v4a-linux.elf-fold.o
0x0000000000008250 my_bkpt
@@ -30,12 +30,12 @@ Linker script and memory map
0x0000000000008304 mmap_privanon
0x000000000000831c __udivsi3
0x000000000000831c div10
.text 0x0000000000008378 0x7a4 tmp/arm.v4a-linux.elf-main.o
.text 0x0000000000008378 0x770 tmp/arm.v4a-linux.elf-main.o
0x0000000000008398 get_page_mask
0x00000000000089e8 upx_main
0x00000000000089b4 upx_main
*(.data)
.data 0x0000000000008b1c 0x0 tmp/arm.v4a-linux.elf-fold.o
.data 0x0000000000008b1c 0x0 tmp/arm.v4a-linux.elf-main.o
.data 0x0000000000008ae8 0x0 tmp/arm.v4a-linux.elf-fold.o
.data 0x0000000000008ae8 0x0 tmp/arm.v4a-linux.elf-main.o
.data
LOAD tmp/arm.v4a-linux.elf-fold.o