korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-11-11 12:28:41 +08:00
Code Issues 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: ea57788eb7 ("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",
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);