syzbot


INFO: task hung in snd_seq_kernel_client_ctl
Status: fixed on 2019/06/14 18:22
Reported-by: syzbot+47ded6c0f23016cde310@syzkaller.appspotmail.com
Fix commit: f0654ba9 Revert "ALSA: seq: Protect in-kernel ioctl calls with mutex"
First crash: 160d, last: 158d
Bisection: introduced by (bisect log):

commit feb689025fbb6f0aa6297d3ddf97de945ea4ad32
Author: Takashi Iwai <tiwai@suse.de>
Date: Tue Apr 9 15:35:22 2019 +0000

  ALSA: seq: Protect in-kernel ioctl calls with mutex

Tree: linux-next
Crash: INFO: task hung in snd_seq_kernel_client_ctl (log)
Repro: C syz .config

Sample crash report:

All crashes (554):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-linux-next-kasan-gce-root 2019/04/11 10:00 linux-next 2f4c4d83 e955ac50 .config log report syz C alsa-devel@alsa-project.org, groeck@chromium.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com, zsm@chromium.org
ci-upstream-linux-next-kasan-gce-root 2019/04/12 03:08 linux-next 2f4c4d83 13030ef8 .config log report syz C alsa-devel@alsa-project.org, groeck@chromium.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com, zsm@chromium.org
ci-upstream-linux-next-kasan-gce-root 2019/04/11 10:53 linux-next 2f4c4d83 e955ac50 .config log report syz C alsa-devel@alsa-project.org, groeck@chromium.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com, zsm@chromium.org
ci-upstream-linux-next-kasan-gce-root 2019/04/11 08:49 linux-next 2f4c4d83 e955ac50 .config log report alsa-devel@alsa-project.org, groeck@chromium.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com, zsm@chromium.org
ci-upstream-linux-next-kasan-gce-root 2019/04/12 11:46 linux-next 2f4c4d83 8916f5e1 .config log report alsa-devel@alsa-project.org, groeck@chromium.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com, zsm@chromium.org
ci-upstream-linux-next-kasan-gce-root 2019/04/12 10:31 linux-next 2f4c4d83 8916f5e1 .config log report alsa-devel@alsa-project.org, groeck@chromium.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com, zsm@chromium.org
ci-upstream-linux-next-kasan-gce-root 2019/04/12 09:54 linux-next 2f4c4d83 8916f5e1 .config log report alsa-devel@alsa-project.org, groeck@chromium.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com, zsm@chromium.org
ci-upstream-linux-next-kasan-gce-root 2019/04/12 09:09 linux-next 2f4c4d83 8916f5e1 .config log report alsa-devel@alsa-project.org, groeck@chromium.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com, zsm@chromium.org
ci-upstream-linux-next-kasan-gce-root 2019/04/12 08:16 linux-next 2f4c4d83 8916f5e1 .config log report alsa-devel@alsa-project.org, groeck@chromium.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com, zsm@chromium.org
ci-upstream-linux-next-kasan-gce-root 2019/04/12 07:26 linux-next 2f4c4d83 8916f5e1 .config log report alsa-devel@alsa-project.org, groeck@chromium.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com, zsm@chromium.org
ci-upstream-linux-next-kasan-gce-root 2019/04/12 07:16 linux-next 2f4c4d83 8916f5e1 .config log report alsa-devel@alsa-project.org, groeck@chromium.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com, zsm@chromium.org
ci-upstream-linux-next-kasan-gce-root 2019/04/12 06:16 linux-next 2f4c4d83 13030ef8 .config log report alsa-devel@alsa-project.org, groeck@chromium.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com, zsm@chromium.org
ci-upstream-linux-next-kasan-gce-root 2019/04/12 05:28 linux-next 2f4c4d83 13030ef8 .config log report alsa-devel@alsa-project.org, groeck@chromium.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com, zsm@chromium.org
ci-upstream-linux-next-kasan-gce-root 2019/04/12 04:38 linux-next 2f4c4d83 13030ef8 .config log report alsa-devel@alsa-project.org, groeck@chromium.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com, zsm@chromium.org
ci-upstream-linux-next-kasan-gce-root 2019/04/12 04:07 linux-next 2f4c4d83 13030ef8 .config log report alsa-devel@alsa-project.org, groeck@chromium.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com, zsm@chromium.org
ci-upstream-linux-next-kasan-gce-root 2019/04/12 03:29 linux-next 2f4c4d83 13030ef8 .config log report alsa-devel@alsa-project.org, groeck@chromium.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com, zsm@chromium.org
ci-upstream-linux-next-kasan-gce-root 2019/04/12 02:35 linux-next 2f4c4d83 13030ef8 .config log report alsa-devel@alsa-project.org, groeck@chromium.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com, zsm@chromium.org
ci-upstream-linux-next-kasan-gce-root 2019/04/12 01:26 linux-next 2f4c4d83 13030ef8 .config log report alsa-devel@alsa-project.org, groeck@chromium.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com, zsm@chromium.org
ci-upstream-linux-next-kasan-gce-root 2019/04/12 00:59 linux-next 2f4c4d83 13030ef8 .config log report alsa-devel@alsa-project.org, groeck@chromium.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com, zsm@chromium.org
ci-upstream-linux-next-kasan-gce-root 2019/04/11 23:56 linux-next 2f4c4d83 13030ef8 .config log report alsa-devel@alsa-project.org, groeck@chromium.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com, zsm@chromium.org
ci-upstream-linux-next-kasan-gce-root 2019/04/11 22:51 linux-next 2f4c4d83 13030ef8 .config log report alsa-devel@alsa-project.org, groeck@chromium.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com, zsm@chromium.org
ci-upstream-linux-next-kasan-gce-root 2019/04/11 21:57 linux-next 2f4c4d83 13030ef8 .config log report alsa-devel@alsa-project.org, groeck@chromium.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com, zsm@chromium.org
ci-upstream-linux-next-kasan-gce-root 2019/04/11 20:48 linux-next 2f4c4d83 13030ef8 .config log report alsa-devel@alsa-project.org, groeck@chromium.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com, zsm@chromium.org
ci-upstream-linux-next-kasan-gce-root 2019/04/11 20:01 linux-next 2f4c4d83 13030ef8 .config log report alsa-devel@alsa-project.org, groeck@chromium.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com, zsm@chromium.org
ci-upstream-linux-next-kasan-gce-root 2019/04/11 19:25 linux-next 2f4c4d83 13030ef8 .config log report alsa-devel@alsa-project.org, groeck@chromium.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com, zsm@chromium.org
ci-upstream-linux-next-kasan-gce-root 2019/04/11 18:28 linux-next 2f4c4d83 13030ef8 .config log report alsa-devel@alsa-project.org, groeck@chromium.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com, zsm@chromium.org
ci-upstream-linux-next-kasan-gce-root 2019/04/11 17:43 linux-next 2f4c4d83 13030ef8 .config log report alsa-devel@alsa-project.org, groeck@chromium.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com, zsm@chromium.org
ci-upstream-linux-next-kasan-gce-root 2019/04/11 17:13 linux-next 2f4c4d83 13030ef8 .config log report alsa-devel@alsa-project.org, groeck@chromium.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com, zsm@chromium.org
ci-upstream-linux-next-kasan-gce-root 2019/04/11 16:31 linux-next 2f4c4d83 e955ac50 .config log report alsa-devel@alsa-project.org, groeck@chromium.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com, zsm@chromium.org
ci-upstream-linux-next-kasan-gce-root 2019/04/11 15:26 linux-next 2f4c4d83 e955ac50 .config log report alsa-devel@alsa-project.org, groeck@chromium.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com, zsm@chromium.org
ci-upstream-linux-next-kasan-gce-root 2019/04/11 14:52 linux-next 2f4c4d83 e955ac50 .config log report alsa-devel@alsa-project.org, groeck@chromium.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com, zsm@chromium.org
ci-upstream-linux-next-kasan-gce-root 2019/04/11 13:48 linux-next 2f4c4d83 e955ac50 .config log report alsa-devel@alsa-project.org, groeck@chromium.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com, zsm@chromium.org
ci-upstream-linux-next-kasan-gce-root 2019/04/11 12:58 linux-next 2f4c4d83 e955ac50 .config log report alsa-devel@alsa-project.org, groeck@chromium.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com, zsm@chromium.org
ci-upstream-linux-next-kasan-gce-root 2019/04/11 12:26 linux-next 2f4c4d83 e955ac50 .config log report alsa-devel@alsa-project.org, groeck@chromium.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com, zsm@chromium.org
ci-upstream-linux-next-kasan-gce-root 2019/04/11 11:33 linux-next 2f4c4d83 e955ac50 .config log report alsa-devel@alsa-project.org, groeck@chromium.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com, zsm@chromium.org
ci-upstream-linux-next-kasan-gce-root 2019/04/11 11:13 linux-next 2f4c4d83 e955ac50 .config log report alsa-devel@alsa-project.org, groeck@chromium.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com, zsm@chromium.org
ci-upstream-linux-next-kasan-gce-root 2019/04/11 10:41 linux-next 2f4c4d83 e955ac50 .config log report alsa-devel@alsa-project.org, groeck@chromium.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com, zsm@chromium.org
ci-upstream-linux-next-kasan-gce-root 2019/04/11 09:40 linux-next 2f4c4d83 e955ac50 .config log report alsa-devel@alsa-project.org, groeck@chromium.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com, zsm@chromium.org
ci-upstream-linux-next-kasan-gce-root 2019/04/11 09:40 linux-next 2f4c4d83 e955ac50 .config log report alsa-devel@alsa-project.org, groeck@chromium.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com, zsm@chromium.org
ci-upstream-linux-next-kasan-gce-root 2019/04/11 09:32 linux-next 2f4c4d83 e955ac50 .config log report alsa-devel@alsa-project.org, groeck@chromium.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com, zsm@chromium.org
ci-upstream-linux-next-kasan-gce-root 2019/04/11 09:30 linux-next 2f4c4d83 e955ac50 .config log report alsa-devel@alsa-project.org, groeck@chromium.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com, zsm@chromium.org
ci-upstream-linux-next-kasan-gce-root 2019/04/11 09:21 linux-next 2f4c4d83 e955ac50 .config log report alsa-devel@alsa-project.org, groeck@chromium.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com, zsm@chromium.org
ci-upstream-linux-next-kasan-gce-root 2019/04/11 09:19 linux-next 2f4c4d83 e955ac50 .config log report alsa-devel@alsa-project.org, groeck@chromium.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com, zsm@chromium.org
ci-upstream-linux-next-kasan-gce-root 2019/04/11 09:06 linux-next 2f4c4d83 e955ac50 .config log report alsa-devel@alsa-project.org, groeck@chromium.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com, zsm@chromium.org
ci-upstream-linux-next-kasan-gce-root 2019/04/11 09:06 linux-next 2f4c4d83 e955ac50 .config log report alsa-devel@alsa-project.org, groeck@chromium.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com, zsm@chromium.org
ci-upstream-linux-next-kasan-gce-root 2019/04/11 08:45 linux-next 2f4c4d83 e955ac50 .config log report alsa-devel@alsa-project.org, groeck@chromium.org, linux-kernel@vger.kernel.org, perex@perex.cz, tiwai@suse.com, zsm@chromium.org