syzbot has bisected this bug to:
commit 09ef09b4ab95dc405ad4171ec2cd8a4ff5227108 Author: Shayenne Moura shayenneluzmoura@gmail.com Date: Wed Feb 6 20:08:13 2019 +0000
drm/vkms: WARN when hrtimer_forward_now fails
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=128448cf200000 start commit: 09ef09b4 drm/vkms: WARN when hrtimer_forward_now fails git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=118448cf200000 console output: https://syzkaller.appspot.com/x/log.txt?x=168448cf200000 kernel config: https://syzkaller.appspot.com/x/.config?x=c1e0e0ec44d1e5ff dashboard link: https://syzkaller.appspot.com/bug?extid=0871b14ca2e2fb64f6e3 userspace arch: amd64 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1787db8d200000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17fc9883200000
Reported-by: syzbot+0871b14ca2e2fb64f6e3@syzkaller.appspotmail.com Fixes: 09ef09b4 ("drm/vkms: WARN when hrtimer_forward_now fails")