diff options
| -rw-r--r-- | block/partitions/efi.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/block/partitions/efi.c b/block/partitions/efi.c index b028af688361..de9f9bfa24bc 100644 --- a/block/partitions/efi.c +++ b/block/partitions/efi.c @@ -410,7 +410,12 @@ static int is_gpt_valid(struct parsed_partitions *state, u64 lba, (unsigned long long)lastlba); goto fail; } - + if (le64_to_cpu((*gpt)->last_usable_lba) < le64_to_cpu((*gpt)->first_usable_lba)) { + pr_debug("GPT: last_usable_lba incorrect: %lld > %lld\n", + (unsigned long long)le64_to_cpu((*gpt)->last_usable_lba), + (unsigned long long)le64_to_cpu((*gpt)->first_usable_lba)); + goto fail; + } /* Check that sizeof_partition_entry has the correct value */ if (le32_to_cpu((*gpt)->sizeof_partition_entry) != sizeof(gpt_entry)) { pr_debug("GUID Partitition Entry Size check failed.\n"); |