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| author | Filipe Manana <fdmanana@suse.com> | 2023-07-03 19:15:30 +0200 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2023-07-18 03:12:59 +0200 |
| commit | b777d279ff31979add57e8a3f810bceb7ef0cfb7 (patch) | |
| tree | 7344483aa70637996240ebae2486070706693f8d /fs | |
| parent | btrfs: zoned: fix memory leak after finding block group with super blocks (diff) | |
| download | linux-b777d279ff31979add57e8a3f810bceb7ef0cfb7.tar.xz linux-b777d279ff31979add57e8a3f810bceb7ef0cfb7.zip | |
btrfs: fix double iput() on inode after an error during orphan cleanup
At btrfs_orphan_cleanup(), if we were able to find the inode, we do an
iput() on the inode, then if btrfs_drop_verity_items() succeeds and then
either btrfs_start_transaction() or btrfs_del_orphan_item() fail, we do
another iput() in the respective error paths, resulting in an extra iput()
on the inode.
Fix this by setting inode to NULL after the first iput(), as iput()
ignores a NULL inode pointer argument.
Fixes: a13bb2c03848 ("btrfs: add missing iputs on orphan cleanup failure")
CC: stable@vger.kernel.org # 6.4
Reviewed-by: Boris Burkov <boris@bur.io>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/btrfs/inode.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index dbbb67293e34..d919318d2498 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -3728,6 +3728,7 @@ int btrfs_orphan_cleanup(struct btrfs_root *root) if (!ret) { ret = btrfs_drop_verity_items(BTRFS_I(inode)); iput(inode); + inode = NULL; if (ret) goto out; } |