diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/kwbimage.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/kwbimage.c b/tools/kwbimage.c index 542779ed48..4709c6d544 100644 --- a/tools/kwbimage.c +++ b/tools/kwbimage.c @@ -1670,6 +1670,9 @@ static int kwbimage_verify_header(unsigned char *ptr, int image_size, if (mhdr->ext & 0x1) { struct ext_hdr_v0 *ext_hdr; + if (header_size + sizeof(*ext_hdr) > image_size) + return -FDT_ERR_BADSTRUCTURE; + ext_hdr = (struct ext_hdr_v0 *) (ptr + sizeof(struct main_hdr_v0)); checksum = image_checksum8(ext_hdr, |