diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/kwboot.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/tools/kwboot.c b/tools/kwboot.c index c0ac4ce19e..1d32c1b7ad 100644 --- a/tools/kwboot.c +++ b/tools/kwboot.c @@ -645,6 +645,11 @@ kwboot_img_patch_hdr(void *img, size_t size) else hdrsz = KWBHEADER_V1_SIZE(hdr); + if (size < hdrsz) { + errno = EINVAL; + goto out; + } + csum = kwboot_img_csum8(hdr, hdrsz) - hdr->checksum; if (csum != hdr->checksum) { errno = EINVAL; |