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Decompression escape hatch for ELF can require a new page.

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If not enough room on last page of .text, and ElfXX_Ehdr not PF_X,
then the escape hatch must use a new page.
https://github.com/upx/upx/issues/308
	modified:   ../.github/travis_testsuite_1-expected_sha256sums.sh
	modified:   stub/src/amd64-linux.elf-main.c
	modified:   stub/src/i386-linux.elf-main.c
    Plus stub/*-linux.elf-fold.h and stub/tmp/*-linux.elf-fold.map
This commit is contained in:
John Reiser
2020-01-19 13:25:55 -08:00
parent fdf2eddc73
commit 936013f60c
25 changed files with 1494 additions and 1366 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/stub/tmp/amd64-linux.elf-fold.map
+10 -10
View File
@@ -8,7 +8,7 @@ Linker script and memory map
0x00000000001000bc . = ((0x100000 + SIZEOF_HEADERS) + 0xc)
.text 0x00000000001000bc 0x7b4
.text 0x00000000001000bc 0x810
*(.text)
.text 0x00000000001000bc 0x189 tmp/amd64-linux.elf-fold.o
0x0000000000100235 munmap
@@ -21,20 +21,20 @@ Linker script and memory map
0x0000000000100239 mprotect
0x000000000010022d close
*fill* 0x0000000000100245 0x3 00
.text 0x0000000000100248 0x627 tmp/amd64-linux.elf-main.o
0x0000000000100727 upx_main
.text 0x0000000000100248 0x683 tmp/amd64-linux.elf-main.o
0x0000000000100783 upx_main
*(.data)
*fill* 0x000000000010086f 0x1 00
.data 0x0000000000100870 0x0 tmp/amd64-linux.elf-fold.o
.data 0x0000000000100870 0x0 tmp/amd64-linux.elf-main.o
*fill* 0x00000000001008cb 0x1 00
.data 0x00000000001008cc 0x0 tmp/amd64-linux.elf-fold.o
.data 0x00000000001008cc 0x0 tmp/amd64-linux.elf-main.o
.data
.bss 0x0000000000100870 0x0
.bss 0x0000000000100870 0x0 tmp/amd64-linux.elf-fold.o
.bss 0x0000000000100870 0x0 tmp/amd64-linux.elf-main.o
.bss 0x00000000001008cc 0x0
.bss 0x00000000001008cc 0x0 tmp/amd64-linux.elf-fold.o
.bss 0x00000000001008cc 0x0 tmp/amd64-linux.elf-main.o
.rela.dyn 0x0000000000100870 0x0
.rela.dyn 0x00000000001008d0 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