On Fri, 11 Feb 2022 at 14:55, 陈立新 <clx428@xxxxxxx> wrote: > > Hi Miklos: > I meet a dealock scenario on fuse. here are the 4 backtraces: Which kernel is this? Commit 4f06dd92b5d0 ("fuse: fix write deadlock") was added in 5.13 and backported to some (but not all) affected stable trees. Thanks, Miklos