diff options
| -rw-r--r-- | scripts/mod/modpost.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index 0a4051fbd34..2ef9a193fca 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -381,6 +381,12 @@ static int parse_elf(struct elf_info *info, const char *filename) sechdrs = (void *)hdr + hdr->e_shoff; info->sechdrs = sechdrs; + /* Check if file offset is correct */ + if (hdr->e_shoff > info->size) { + fatal("section header offset=%u in file '%s' is bigger then filesize=%lu\n", hdr->e_shoff, filename, info->size); + return 0; + } + /* Fix endianness in section headers */ for (i = 0; i < hdr->e_shnum; i++) { sechdrs[i].sh_type = TO_NATIVE(sechdrs[i].sh_type); |