6.12-stable review patch. If anyone has any objections, please let me know.
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From: Lizhi Xu lizhi.xu@windriver.com
[ 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 --- fs/netfs/buffered_write.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/netfs/buffered_write.c b/fs/netfs/buffered_write.c index 896d1d4219ed9..be77a137cc871 100644 --- a/fs/netfs/buffered_write.c +++ b/fs/netfs/buffered_write.c @@ -340,7 +340,7 @@ 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;
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