From: Vasily Averin <vvs@xxxxxxxxxxxxx> commit d5880c7a8620290a6c90ced7a0e8bd0ad9419601 upstream. unlock_page() was missing in case of an already in-flight write against the same page. Signed-off-by: Vasily Averin <vvs@xxxxxxxxxxxxx> Fixes: ff17be086477 ("fuse: writepage: skip already in flight") Cc: <stable@xxxxxxxxxxxxxxx> # v3.13 Signed-off-by: Miklos Szeredi <mszeredi@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- fs/fuse/file.c | 1 + 1 file changed, 1 insertion(+) --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -1767,6 +1767,7 @@ static int fuse_writepage(struct page *p WARN_ON(wbc->sync_mode == WB_SYNC_ALL); redirty_page_for_writepage(wbc, page); + unlock_page(page); return 0; }