From: Anastasia Belova abelova@astralinux.ru
commit c87f318e6f47696b4040b58f460d5c17ea0280e6 upstream.
Check nodesize to sectorsize in alignment check in print_extent_item. The comment states that and this is correct, similar check is done elsewhere in the functions.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Fixes: ea57788eb76d ("btrfs: require only sector size alignment for parent eb bytenr") CC: stable@vger.kernel.org # 4.14+ Reviewed-by: Qu Wenruo wqu@suse.com Signed-off-by: Anastasia Belova abelova@astralinux.ru Reviewed-by: David Sterba dsterba@suse.com Signed-off-by: David Sterba dsterba@suse.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- fs/btrfs/print-tree.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
--- a/fs/btrfs/print-tree.c +++ b/fs/btrfs/print-tree.c @@ -109,10 +109,10 @@ static void print_extent_item(struct ext pr_cont("shared data backref parent %llu count %u\n", offset, btrfs_shared_data_ref_count(eb, sref)); /* - * offset is supposed to be a tree block which - * must be aligned to nodesize. + * Offset is supposed to be a tree block which must be + * aligned to sectorsize. */ - if (!IS_ALIGNED(offset, eb->fs_info->nodesize)) + if (!IS_ALIGNED(offset, eb->fs_info->sectorsize)) pr_info( "\t\t\t(parent %llu not aligned to sectorsize %u)\n", offset, eb->fs_info->sectorsize);