2.6.32-longterm review patch. If anyone has any objections, please let us know.
------------------ From: Timo Warns <[email protected]> commit fa039d5f6b126fbd65eefa05db2f67e44df8f121 upstream. Otherwise corrupted EFI partition tables can cause total confusion. Signed-off-by: Timo Warns <[email protected]> Signed-off-by: Linus Torvalds <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- fs/partitions/efi.c | 6 ++++++ 1 file changed, 6 insertions(+) --- a/fs/partitions/efi.c +++ b/fs/partitions/efi.c @@ -349,6 +349,12 @@ is_gpt_valid(struct block_device *bdev, 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"); + goto fail; + } + if (!(*ptes = alloc_read_gpt_entries(bdev, *gpt))) goto fail; _______________________________________________ stable mailing list [email protected] http://linux.kernel.org/mailman/listinfo/stable
