syzbot


possible deadlock in snd_mixer_oss_ioctl1
Status: upstream: reported C repro on 2021/10/23 19:35
Reported-by: syzbot+ace149a75a9a0a399ac7@syzkaller.appspotmail.com
Fix commit: 3ab799201845 ALSA: mixer: fix deadlock in snd_mixer_oss_set_volume
Patched on: [ci-qemu-upstream ci-qemu-upstream-386 ci-qemu2-arm32 ci-qemu2-arm64 ci-qemu2-arm64-compat ci-qemu2-arm64-mte ci-upstream-bpf-kasan-gce ci-upstream-bpf-next-kasan-gce ci-upstream-gce-leak ci-upstream-kasan-gce ci-upstream-kasan-gce-386 ci-upstream-kasan-gce-root ci-upstream-kasan-gce-selinux-root ci-upstream-kasan-gce-smack-root ci-upstream-linux-next-kasan-gce-root ci-upstream-net-kasan-gce ci-upstream-net-this-kasan-gce ci2-upstream-kcsan-gce ci2-upstream-usb], missing on: [ci-qemu2-riscv64 ci-upstream-kmsan-gce ci-upstream-kmsan-gce-386]
First crash: 39d, last: 35d

Cause bisection: introduced by (bisect log) :
commit 411cef6adfb38a5bb6bd9af3941b28198e7fb680
Author: Takashi Iwai <tiwai@suse.de>
Date: Wed Oct 20 16:48:46 2021 +0000

  ALSA: mixer: oss: Fix racy access to slots

Crash: possible deadlock in snd_mixer_oss_ioctl1 (log)
Repro: C syz .config

Sample crash report:

Crashes (149):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-linux-next-kasan-gce-root 2021/10/22 21:49 linux-next cf6c9d12750c 282f03fb .config log report syz C possible deadlock in snd_mixer_oss_ioctl1
ci-upstream-linux-next-kasan-gce-root 2021/10/27 10:36 linux-next 2376e5fe91bc d50eb50a .config log report info possible deadlock in snd_mixer_oss_ioctl1
ci-upstream-linux-next-kasan-gce-root 2021/10/27 09:30 linux-next 2376e5fe91bc d50eb50a .config log report info possible deadlock in snd_mixer_oss_ioctl1
ci-upstream-linux-next-kasan-gce-root 2021/10/27 05:57 linux-next 2376e5fe91bc d50eb50a .config log report info possible deadlock in snd_mixer_oss_ioctl1
ci-upstream-linux-next-kasan-gce-root 2021/10/27 03:58 linux-next 2376e5fe91bc d50eb50a .config log report info possible deadlock in snd_mixer_oss_ioctl1
ci-upstream-linux-next-kasan-gce-root 2021/10/27 03:29 linux-next 2376e5fe91bc d50eb50a .config log report info possible deadlock in snd_mixer_oss_ioctl1
ci-upstream-linux-next-kasan-gce-root 2021/10/27 02:28 linux-next 2376e5fe91bc d50eb50a .config log report info possible deadlock in snd_mixer_oss_ioctl1
ci-upstream-linux-next-kasan-gce-root 2021/10/27 00:49 linux-next 2376e5fe91bc d50eb50a .config log report info possible deadlock in snd_mixer_oss_ioctl1
ci-upstream-linux-next-kasan-gce-root 2021/10/26 23:43 linux-next 2376e5fe91bc d50eb50a .config log report info possible deadlock in snd_mixer_oss_ioctl1
ci-upstream-linux-next-kasan-gce-root 2021/10/26 22:33 linux-next 2376e5fe91bc d50eb50a .config log report info possible deadlock in snd_mixer_oss_ioctl1
ci-upstream-linux-next-kasan-gce-root 2021/10/26 19:25 linux-next 2376e5fe91bc d50eb50a .config log report info possible deadlock in snd_mixer_oss_ioctl1
ci-upstream-linux-next-kasan-gce-root 2021/10/26 18:37 linux-next 2376e5fe91bc d50eb50a .config log report info possible deadlock in snd_mixer_oss_ioctl1
ci-upstream-linux-next-kasan-gce-root 2021/10/26 17:16 linux-next 2376e5fe91bc d50eb50a .config log report info possible deadlock in snd_mixer_oss_ioctl1
ci-upstream-linux-next-kasan-gce-root 2021/10/26 11:19 linux-next 9ae1fbdeabd3 c1132b49 .config log report info possible deadlock in snd_mixer_oss_ioctl1
ci-upstream-linux-next-kasan-gce-root 2021/10/26 09:15 linux-next 9ae1fbdeabd3 c1132b49 .config log report info possible deadlock in snd_mixer_oss_ioctl1
ci-upstream-linux-next-kasan-gce-root 2021/10/26 08:09 linux-next 9ae1fbdeabd3 c1132b49 .config log report info possible deadlock in snd_mixer_oss_ioctl1
ci-upstream-linux-next-kasan-gce-root 2021/10/26 05:33 linux-next 9ae1fbdeabd3 c1132b49 .config log report info possible deadlock in snd_mixer_oss_ioctl1
ci-upstream-linux-next-kasan-gce-root 2021/10/26 02:01 linux-next 9ae1fbdeabd3 c1132b49 .config log report info possible deadlock in snd_mixer_oss_ioctl1
ci-upstream-linux-next-kasan-gce-root 2021/10/25 22:58 linux-next 9ae1fbdeabd3 4f0000ee .config log report info possible deadlock in snd_mixer_oss_ioctl1
ci-upstream-linux-next-kasan-gce-root 2021/10/25 21:36 linux-next 9ae1fbdeabd3 4f0000ee .config log report info possible deadlock in snd_mixer_oss_ioctl1
ci-upstream-linux-next-kasan-gce-root 2021/10/25 21:36 linux-next 9ae1fbdeabd3 4f0000ee .config log report info possible deadlock in snd_mixer_oss_ioctl1
ci-upstream-linux-next-kasan-gce-root 2021/10/25 20:35 linux-next 9ae1fbdeabd3 4f0000ee .config log report info possible deadlock in snd_mixer_oss_ioctl1
ci-upstream-linux-next-kasan-gce-root 2021/10/25 17:05 linux-next 9ae1fbdeabd3 4f0000ee .config log report info possible deadlock in snd_mixer_oss_ioctl1
ci-upstream-linux-next-kasan-gce-root 2021/10/25 15:06 linux-next 9ae1fbdeabd3 4f0000ee .config log report info possible deadlock in snd_mixer_oss_ioctl1
ci-upstream-linux-next-kasan-gce-root 2021/10/25 09:01 linux-next cf6c9d12750c 4f0000ee .config log report info possible deadlock in snd_mixer_oss_ioctl1
ci-upstream-linux-next-kasan-gce-root 2021/10/25 07:20 linux-next cf6c9d12750c 4f0000ee .config log report info possible deadlock in snd_mixer_oss_ioctl1
ci-upstream-linux-next-kasan-gce-root 2021/10/25 02:49 linux-next cf6c9d12750c 282f03fb .config log report info possible deadlock in snd_mixer_oss_ioctl1
ci-upstream-linux-next-kasan-gce-root 2021/10/25 01:34 linux-next cf6c9d12750c 282f03fb .config log report info possible deadlock in snd_mixer_oss_ioctl1
ci-upstream-linux-next-kasan-gce-root 2021/10/25 00:04 linux-next cf6c9d12750c 282f03fb .config log report info possible deadlock in snd_mixer_oss_ioctl1
ci-upstream-linux-next-kasan-gce-root 2021/10/24 19:42 linux-next cf6c9d12750c 282f03fb .config log report info possible deadlock in snd_mixer_oss_ioctl1
ci-upstream-linux-next-kasan-gce-root 2021/10/24 15:04 linux-next cf6c9d12750c 282f03fb .config log report info possible deadlock in snd_mixer_oss_ioctl1
ci-upstream-linux-next-kasan-gce-root 2021/10/24 13:10 linux-next cf6c9d12750c 282f03fb .config log report info possible deadlock in snd_mixer_oss_ioctl1
ci-upstream-linux-next-kasan-gce-root 2021/10/24 08:35 linux-next cf6c9d12750c 282f03fb .config log report info possible deadlock in snd_mixer_oss_ioctl1
ci-upstream-linux-next-kasan-gce-root 2021/10/24 06:41 linux-next cf6c9d12750c 282f03fb .config log report info possible deadlock in snd_mixer_oss_ioctl1
ci-upstream-linux-next-kasan-gce-root 2021/10/24 05:37 linux-next cf6c9d12750c 282f03fb .config log report info possible deadlock in snd_mixer_oss_ioctl1
ci-upstream-linux-next-kasan-gce-root 2021/10/24 04:23 linux-next cf6c9d12750c 282f03fb .config log report info possible deadlock in snd_mixer_oss_ioctl1
ci-upstream-linux-next-kasan-gce-root 2021/10/24 04:22 linux-next cf6c9d12750c 282f03fb .config log report info possible deadlock in snd_mixer_oss_ioctl1
ci-upstream-linux-next-kasan-gce-root 2021/10/24 03:13 linux-next cf6c9d12750c 282f03fb .config log report info possible deadlock in snd_mixer_oss_ioctl1
ci-upstream-linux-next-kasan-gce-root 2021/10/24 01:07 linux-next cf6c9d12750c 282f03fb .config log report info possible deadlock in snd_mixer_oss_ioctl1
ci-upstream-linux-next-kasan-gce-root 2021/10/24 00:03 linux-next cf6c9d12750c 282f03fb .config log report info possible deadlock in snd_mixer_oss_ioctl1
ci-upstream-linux-next-kasan-gce-root 2021/10/23 22:44 linux-next cf6c9d12750c 282f03fb .config log report info possible deadlock in snd_mixer_oss_ioctl1
ci-upstream-linux-next-kasan-gce-root 2021/10/23 21:43 linux-next cf6c9d12750c 282f03fb .config log report info possible deadlock in snd_mixer_oss_ioctl1
ci-upstream-linux-next-kasan-gce-root 2021/10/23 20:23 linux-next cf6c9d12750c 282f03fb .config log report info possible deadlock in snd_mixer_oss_ioctl1
ci-upstream-linux-next-kasan-gce-root 2021/10/23 19:15 linux-next cf6c9d12750c 282f03fb .config log report info possible deadlock in snd_mixer_oss_ioctl1
ci-upstream-linux-next-kasan-gce-root 2021/10/23 18:39 linux-next cf6c9d12750c 282f03fb .config log report info possible deadlock in snd_mixer_oss_ioctl1
ci-upstream-linux-next-kasan-gce-root 2021/10/23 18:07 linux-next cf6c9d12750c 282f03fb .config log report info possible deadlock in snd_mixer_oss_ioctl1
ci-upstream-linux-next-kasan-gce-root 2021/10/22 19:22 linux-next cf6c9d12750c 282f03fb .config log report info possible deadlock in snd_mixer_oss_ioctl1