diff options
Diffstat (limited to 'futility/misc.c')
| -rw-r--r-- | futility/misc.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/futility/misc.c b/futility/misc.c index 183edcc2..24e645be 100644 --- a/futility/misc.c +++ b/futility/misc.c @@ -69,6 +69,9 @@ enum futil_file_type recognize_gbb(uint8_t *buf, uint32_t len) int futil_valid_gbb_header(GoogleBinaryBlockHeader *gbb, uint32_t len, uint32_t *maxlen_ptr) { + if (len < sizeof(GoogleBinaryBlockHeader)) + return 0; + if (memcmp(gbb->signature, GBB_SIGNATURE, GBB_SIGNATURE_SIZE)) return 0; if (gbb->major_version != GBB_MAJOR_VER) |