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lib/elf: Fix section header table size check falsely rejecting valid ELFs

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Mintsuki
2026-04-13 16:15:08 +02:00
parent 44b8493555
commit b2cc8b74a6
1 changed files with 2 additions and 2 deletions
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4
common/lib/elf.c
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@@ -215,7 +215,7 @@ struct elf_section_hdr_info elf64_section_hdr_info(uint8_t *elf, size_t file_siz
elf64_validate(hdr);
if (CHECKED_ADD(CHECKED_MUL(hdr->sh_num, hdr->shdr_size, return info),
if (CHECKED_ADD((uint64_t)hdr->sh_num * hdr->shdr_size,
hdr->shoff, return info) > file_size) {
return info;
}
@@ -235,7 +235,7 @@ struct elf_section_hdr_info elf32_section_hdr_info(uint8_t *elf, size_t file_siz
elf32_validate(hdr);
if (CHECKED_ADD(CHECKED_MUL(hdr->sh_num, hdr->shdr_size, return info),
if (CHECKED_ADD((uint64_t)hdr->sh_num * hdr->shdr_size,
hdr->shoff, return info) > file_size) {
return info;
}