diff options
-rw-r--r-- | kernel/module.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/module.c b/kernel/module.c index a4e60973ca73..4edbd9c11aca 100644 --- a/kernel/module.c +++ b/kernel/module.c | |||
@@ -2429,7 +2429,8 @@ static int copy_and_check(struct load_info *info, | |||
2429 | goto free_hdr; | 2429 | goto free_hdr; |
2430 | } | 2430 | } |
2431 | 2431 | ||
2432 | if (len < hdr->e_shoff + hdr->e_shnum * sizeof(Elf_Shdr)) { | 2432 | if (hdr->e_shoff >= len || |
2433 | hdr->e_shnum * sizeof(Elf_Shdr) > len - hdr->e_shoff) { | ||
2433 | err = -ENOEXEC; | 2434 | err = -ENOEXEC; |
2434 | goto free_hdr; | 2435 | goto free_hdr; |
2435 | } | 2436 | } |