Kernel/linux
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2025-01-18 02:46:06 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

btrfs: print-tree: parent bytenr must be aligned to sector size

Browse Source 
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>
This commit is contained in:
Anastasia Belova 2023-04-26 14:53:23 +03:00 committed by David Sterba
parent d246331b78
commit c87f318e6f
1 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
fs/btrfs/print-tree.c
View File

@ -151,10 +151,10 @@ static void print_extent_item(struct extent_buffer *eb, int slot, int type)
pr_cont("shared data backref parent %llu count %u\n", pr_cont("shared data backref parent %llu count %u\n",
offset, btrfs_shared_data_ref_count(eb, sref)); offset, btrfs_shared_data_ref_count(eb, sref));
/* /*
* offset is supposed to be a tree block which * Offset is supposed to be a tree block which must be
* must be aligned to nodesize. * aligned to sectorsize.
*/ */
if (!IS_ALIGNED(offset, eb->fs_info->nodesize)) if (!IS_ALIGNED(offset, eb->fs_info->sectorsize))
pr_info( pr_info(
"\t\t\t(parent %llu not aligned to sectorsize %u)\n", "\t\t\t(parent %llu not aligned to sectorsize %u)\n",
offset, eb->fs_info->sectorsize); offset, eb->fs_info->sectorsize);