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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/mips.r3000-linux.elf-fold.map
Vendored
+8 -8
View File
@@ -9,21 +9,21 @@ Linker script and memory map
TARGET(elf32-bigmips)
0x0000000000100080 . = ((0x100000 + SIZEOF_HEADERS) + 0xc)
.text 0x0000000000100080 0xb00
.text 0x0000000000100080 0xad0
*(.text)
.text 0x0000000000100080 0x1c0 tmp/mips.r3000-linux.elf-fold.o
0x0000000000100218 Pprotect
.text 0x0000000000100240 0x940 tmp/mips.r3000-linux.elf-main.o
0x00000000001009e4 upx_main
.text 0x0000000000100240 0x910 tmp/mips.r3000-linux.elf-main.o
0x00000000001009b0 upx_main
*(.data)
.data 0x0000000000100b80 0x0 tmp/mips.r3000-linux.elf-fold.o
.data 0x0000000000100b80 0x0 tmp/mips.r3000-linux.elf-main.o
.data 0x0000000000100b50 0x0 tmp/mips.r3000-linux.elf-fold.o
.data 0x0000000000100b50 0x0 tmp/mips.r3000-linux.elf-main.o
.data
.bss 0x0000000000100b80 0x0
.bss 0x0000000000100b80 0x0 tmp/mips.r3000-linux.elf-fold.o
.bss 0x0000000000100b80 0x0 tmp/mips.r3000-linux.elf-main.o
.bss 0x0000000000100b50 0x0
.bss 0x0000000000100b50 0x0 tmp/mips.r3000-linux.elf-fold.o
.bss 0x0000000000100b50 0x0 tmp/mips.r3000-linux.elf-main.o
LOAD tmp/mips.r3000-linux.elf-fold.o
LOAD tmp/mips.r3000-linux.elf-main.o
OUTPUT(tmp/mips.r3000-linux.elf-fold.bin elf32-bigmips)