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Some PT_LOAD must have (p_flags & PF_X)

Browse Source 
https://github.com/upx/upx/issues/511
	modified:   p_lx_elf.cpp
This commit is contained in:
John Reiser
2021-12-24 15:32:19 -08:00
committed by Markus F.X.J. Oberhumer
parent fdc5d25d03
commit adafa841f7
1 changed files with 6 additions and 0 deletions
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6
src/p_lx_elf.cpp
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@ -2168,6 +2168,9 @@ bool PackLinuxElf32::canPack()
}
check_pt_load(phdr);
}
if (!pload_x0) {
throwCantPack("No PT_LOAD has (p_flags & PF_X)");
}
// elf_find_dynamic() returns 0 if 0==dynseg.
dynstr= (char const *)elf_find_dynamic(Elf32_Dyn::DT_STRTAB);
dynsym= (Elf32_Sym const *)elf_find_dynamic(Elf32_Dyn::DT_SYMTAB);
@ -2563,6 +2566,9 @@ PackLinuxElf64::canPack()
}
check_pt_load(phdr);
}
if (!pload_x0) {
throwCantPack("No PT_LOAD has (p_flags & PF_X)");
}
// elf_find_dynamic() returns 0 if 0==dynseg.
dynstr= (char const *)elf_find_dynamic(Elf64_Dyn::DT_STRTAB);
dynsym= (Elf64_Sym const *)elf_find_dynamic(Elf64_Dyn::DT_SYMTAB);