Re: possible deadlock in ppp_dev_uninit

2018-01-05 Thread Guillaume Nault
On Fri, Jan 05, 2018 at 07:15:31PM +0100, Guillaume Nault wrote: > That's probably worth a test anyway. > Copy/paste error :-/ Here's a version that should apply cleanly. #syz test: git://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git master 8< diff --git a/drivers/net/

Re: possible deadlock in ppp_dev_uninit

2018-01-05 Thread Guillaume Nault
On Wed, Jan 03, 2018 at 10:58:01PM -0800, syzbot wrote: > Hello, > > > WARNING: possible recursive locking detected > 4.15.0-rc6-next-20180103+ #87 Not tainted > > syzkaller221540/3462 is trying to acquire lo