summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--scripts/mod/modpost.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index 0a4051fbd34e..2ef9a193fcae 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);