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abnativeelf: ensure the section name is present #86

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abnativeelf: ensure the section name is present #86

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4 changes: 4 additions & 0 deletions native/abnativeelf.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -316,6 +316,10 @@ is_debug_info_present(const std::vector<GElf_Shdr> &section_headers,
for (const auto &shdr : section_headers) {
const Elf64_Word name_idx = shdr.sh_name;
const char *section_name = elf_strptr(elf_file, shstrndx, name_idx);
// Some obscure ELF files don't have section names, primarily from
// penetration frameworks that contain invalid ELF files.
if (!section_name)
return false;
if (strlen(section_name) >= 8 &&
memcmp(section_name, sh_debug_info, sh_debug_info_sz) != 0)
continue;
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