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| author | Qu Wenruo <wqu@suse.com> | 2023-08-01 19:02:28 +0800 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2023-08-21 14:54:48 +0200 |
| commit | 7f72f50547b7af4ddf985b07fc56600a4deba281 (patch) | |
| tree | c340205bef47c2fe3ca9e594e1034a19abb06b88 /include | |
| parent | 76c5126e76696e61ced5d6e34441f857733741bf (diff) | |
| download | lwn-7f72f50547b7af4ddf985b07fc56600a4deba281.tar.gz lwn-7f72f50547b7af4ddf985b07fc56600a4deba281.zip | |
btrfs: output extra debug info if we failed to find an inline backref
[BUG]
Syzbot reported several warning triggered inside
lookup_inline_extent_backref().
[CAUSE]
As usual, the reproducer doesn't reliably trigger locally here, but at
least we know the WARN_ON() is triggered when an inline backref can not
be found, and it can only be triggered when @insert is true. (I.e.
inserting a new inline backref, which means the backref should already
exist)
[ENHANCEMENT]
After the WARN_ON(), dump all the parameters and the extent tree
leaf to help debug.
Link: https://syzkaller.appspot.com/bug?extid=d6f9ff86c1d804ba2bc6
Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'include')
0 files changed, 0 insertions, 0 deletions