diff options
Diffstat (limited to 'futility/file_type_rwsig.c')
| -rw-r--r-- | futility/file_type_rwsig.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/futility/file_type_rwsig.c b/futility/file_type_rwsig.c index e50ff32f..b9c9e216 100644 --- a/futility/file_type_rwsig.c +++ b/futility/file_type_rwsig.c @@ -226,7 +226,8 @@ enum futil_file_type ft_recognize_rwsig(uint8_t *buf, uint32_t len) if (!vb2_verify_signature((const struct vb2_signature *)buf, len)) return FILE_TYPE_RWSIG; - if (!vb2_verify_signature((const struct vb2_signature *) + if (len >= SIGNATURE_RSVD_SIZE && + !vb2_verify_signature((const struct vb2_signature *) (buf + len - SIGNATURE_RSVD_SIZE), SIGNATURE_RSVD_SIZE)) return FILE_TYPE_RWSIG; |