diff options
| -rw-r--r-- | futility/vb1_helper.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/futility/vb1_helper.c b/futility/vb1_helper.c index cdc39251..ef497e6c 100644 --- a/futility/vb1_helper.c +++ b/futility/vb1_helper.c @@ -384,10 +384,12 @@ uint8_t *unpack_kernel_partition(uint8_t *kpart_data, g_kernel_blob_size = preamble->body_signature.data_size; /* Sanity check */ - if (g_kernel_blob_size < preamble->body_signature.data_size) + if (kpart_size < now + g_kernel_blob_size) { fprintf(stderr, - "Warning: kernel file only has %#x bytes\n", + "kernel body size %u exceeds partition end\n", g_kernel_blob_size); + return NULL; + } /* Update the blob pointers */ UnpackKernelBlob(g_kernel_blob_data); |