On Sat, Mar 23, 2019 at 4:52 PM Eric W. Biederman <ebiederm@xxxxxxxxxxxx> wrote: > > syzbot <syzbot+ef054c4d3f64cd7f7cec@xxxxxxxxxxxxxxxxxxxxxxxxx> writes: > > > syzbot has bisected this bug to: > > Nope. syzbot got it wrong. > > At most that commit will allow a larger class of users to mount fuse > and thus be able to reproduce the problem. > > It does look like syzbot has found something concerning though. > > Miklos any ideas? Dup of this? bc78abbd55dd ("fuse: Fix use-after-free in fuse_dev_do_read()") Let's test: #syz test: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git bc78abbd55dd Thanks, Miklos