From mboxrd@z Thu Jan 1 00:00:00 1970 From: syzbot Subject: WARNING in vkms_vblank_simulate Date: Mon, 11 Mar 2019 05:28:01 -0700 Message-ID: <00000000000011f13c0583d0b48c@google.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Return-path: Sender: linux-kernel-owner@vger.kernel.org To: airlied@linux.ie, daniel@ffwll.ch, dri-devel@lists.freedesktop.org, hamohammed.sa@gmail.com, linux-kernel@vger.kernel.org, rodrigosiqueiramelo@gmail.com, syzkaller-bugs@googlegroups.com List-Id: dri-devel@lists.freedesktop.org syzbot has bisected this bug to: commit 09ef09b4ab95dc405ad4171ec2cd8a4ff5227108 Author: Shayenne Moura 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")