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LibELF: Ignore PT_GNU_STACK headers

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We always map stacks R/W (never X), so we can just ignore this header
as far as I understand.
This commit is contained in:
Andreas Kling 2020-08-20 10:08:02 +02:00
parent 2c5cc189c5
commit 413db2d6d5
2 changed files with 6 additions and 0 deletions
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5
Libraries/LibELF/Validation.cpp
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@ -197,6 +197,11 @@ bool validate_program_headers(const Elf32_Ehdr& elf_header, size_t file_size, u8
return false;
}
break;
case PT_GNU_STACK:
if (program_header.p_flags & PF_X) {
dbgprintf("Possible shenanigans! Validating an ELF with executable stack.\n");
}
break;
default:
// Not handling other program header types in other code so... let's not surprise them
dbgprintf("Found program header (%zu) of unrecognized type %x!\n", header_index, program_header.p_type);