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Preserve symlink /proc/self/exe by mapping one page into the stack.

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modified:   stub/src/amd64-linux.elf-fold.S

	modified:   stub/amd64-linux.elf-fold.h
	modified:   stub/tmp/amd64-linux.elf-fold.map
This commit is contained in:
John Reiser
2017-04-06 23:08:35 -07:00
parent 85fdd579d6
commit 8bca8629be
3 changed files with 203 additions and 147 deletions
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src/stub/tmp/amd64-linux.elf-fold.map
+19 -18
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@@ -8,30 +8,31 @@ Linker script and memory map
0x00000000001000bc . = ((0x100000 + SIZEOF_HEADERS) + 0xc)
.text 0x00000000001000bc 0x6c4
.text 0x00000000001000bc 0x738
*(.text)
.text 0x00000000001000bc 0x11c tmp/amd64-linux.elf-fold.o
0x00000000001001a5 munmap
0x00000000001001b1 mmap
0x00000000001001c8 read
0x00000000001001d4 exit
0x00000000001001ad brk
0x00000000001001cc open
0x00000000001001a9 mprotect
0x00000000001001d0 close
.text 0x00000000001001d8 0x5a8 tmp/amd64-linux.elf-main.o
0x00000000001005ea upx_main
.text 0x00000000001000bc 0x18e tmp/amd64-linux.elf-fold.o
0x0000000000100217 munmap
0x0000000000100223 mmap
0x000000000010023a read
0x0000000000100246 exit
0x000000000010021f brk
0x000000000010023e open
0x000000000010021b mprotect
0x0000000000100242 close
*fill* 0x000000000010024a 0x2 00
.text 0x000000000010024c 0x5a8 tmp/amd64-linux.elf-main.o
0x000000000010065e upx_main
*(.data)
.data 0x0000000000100780 0x0 tmp/amd64-linux.elf-fold.o
.data 0x0000000000100780 0x0 tmp/amd64-linux.elf-main.o
.data 0x00000000001007f4 0x0 tmp/amd64-linux.elf-fold.o
.data 0x00000000001007f4 0x0 tmp/amd64-linux.elf-main.o
.data
.bss 0x0000000000100780 0x0
.bss 0x0000000000100780 0x0 tmp/amd64-linux.elf-fold.o
.bss 0x0000000000100780 0x0 tmp/amd64-linux.elf-main.o
.bss 0x00000000001007f4 0x0
.bss 0x00000000001007f4 0x0 tmp/amd64-linux.elf-fold.o
.bss 0x00000000001007f4 0x0 tmp/amd64-linux.elf-main.o
.rela.dyn 0x0000000000100780 0x0
.rela.dyn 0x00000000001007f8 0x0
.rela.text 0x0000000000000000 0x0 tmp/amd64-linux.elf-fold.o
LOAD tmp/amd64-linux.elf-fold.o
LOAD tmp/amd64-linux.elf-main.o