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| author | Lizhi Xu <lizhi.xu@windriver.com> | 2025-09-05 09:59:25 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-10-12 13:01:02 +0200 |
| commit | 97bbf79b53ae71d8373070f543c2cd42d6ccf883 (patch) | |
| tree | 0c034ff289dbddcc935bb0fd8584c315aa0a8524 | |
| parent | 08fdd07ae5abef7fd3556cc64e85d5648dc45d83 (diff) | |
| download | linux-97bbf79b53ae71d8373070f543c2cd42d6ccf883.tar.gz linux-97bbf79b53ae71d8373070f543c2cd42d6ccf883.tar.bz2 linux-97bbf79b53ae71d8373070f543c2cd42d6ccf883.zip | |
netfs: Prevent duplicate unlocking
[ Upstream commit 66d938e89e940e512f4c3deac938ecef399c13f9 ]
The filio lock has been released here, so there is no need to jump to
error_folio_unlock to release it again.
Reported-by: syzbot+b73c7d94a151e2ee1e9b@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=b73c7d94a151e2ee1e9b
Signed-off-by: Lizhi Xu <lizhi.xu@windriver.com>
Acked-by: David Howells <dhowells@redhat.com>
Reviewed-by: Paulo Alcantara (Red Hat) <pc@manguebit.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | fs/netfs/buffered_write.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/netfs/buffered_write.c b/fs/netfs/buffered_write.c index f27ea5099a68..09394ac2c180 100644 --- a/fs/netfs/buffered_write.c +++ b/fs/netfs/buffered_write.c @@ -347,7 +347,7 @@ ssize_t netfs_perform_write(struct kiocb *iocb, struct iov_iter *iter, folio_put(folio); ret = filemap_write_and_wait_range(mapping, fpos, fpos + flen - 1); if (ret < 0) - goto error_folio_unlock; + goto out; continue; copied: |