syzbot


possible deadlock in _snd_pcm_stream_lock_irqsave (2)
Status: internal: reported on 2021/07/24 19:38
Reported-by: syzbot+@syzkaller.appspotmail.com
Fix commit: f671a691e299 fcntl: fix potential deadlocks for &fown_struct.lock
Patched on: [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-qemu-upstream ci-qemu-upstream-386 ci-qemu2-arm32 ci-qemu2-riscv64 ci-upstream-kmsan-gce ci-upstream-kmsan-gce-386]
First crash: 54d, last: 1d06h
similar bugs (1):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream possible deadlock in _snd_pcm_stream_lock_irqsave C done 997 336d 372d 17/22 fixed on 2020/11/16 12:12

Sample crash report:

Crashes (36):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce 2021/09/16 02:17 upstream b7213ffa0e58 07e953c1 .config log report info possible deadlock in _snd_pcm_stream_lock_irqsave
ci-upstream-kasan-gce-root 2021/09/16 01:06 upstream b7213ffa0e58 07e953c1 .config log report info possible deadlock in _snd_pcm_stream_lock_irqsave
ci-upstream-kasan-gce-root 2021/09/14 03:09 upstream d0ee23f9d78b 58d09404 .config log report info possible deadlock in _snd_pcm_stream_lock_irqsave
ci-upstream-kasan-gce 2021/09/10 07:44 upstream bf9f243f23e6 e2776ee4 .config log report info possible deadlock in _snd_pcm_stream_lock_irqsave
ci-upstream-kasan-gce 2021/08/29 04:07 upstream 3f5ad13cb012 be2c130d .config log report info possible deadlock in _snd_pcm_stream_lock_irqsave
ci-upstream-kasan-gce 2021/08/28 12:28 upstream 64b4fc45bea6 be2c130d .config log report info possible deadlock in _snd_pcm_stream_lock_irqsave
ci-upstream-kasan-gce-root 2021/08/27 23:01 upstream 1a6436f37512 d5a29e53 .config log report info possible deadlock in _snd_pcm_stream_lock_irqsave
ci-upstream-kasan-gce-root 2021/08/27 21:26 upstream 1a6436f37512 d5a29e53 .config log report info possible deadlock in _snd_pcm_stream_lock_irqsave
ci-upstream-kasan-gce 2021/08/27 20:06 upstream 1a6436f37512 d5a29e53 .config log report info possible deadlock in _snd_pcm_stream_lock_irqsave
ci-upstream-kasan-gce-root 2021/08/27 08:08 upstream 77dd11439b86 b318694d .config log report info possible deadlock in _snd_pcm_stream_lock_irqsave
ci-upstream-kasan-gce-root 2021/08/26 19:45 upstream 73f3af7b4611 b318694d .config log report info possible deadlock in _snd_pcm_stream_lock_irqsave
ci-upstream-kasan-gce 2021/08/26 17:50 upstream 73f3af7b4611 b318694d .config log report info possible deadlock in _snd_pcm_stream_lock_irqsave
ci-upstream-kasan-gce-root 2021/08/26 11:49 upstream 73f3af7b4611 b599f2fc .config log report info possible deadlock in _snd_pcm_stream_lock_irqsave
ci-upstream-kasan-gce-root 2021/08/24 19:15 upstream 6e764bcd1cf7 b599f2fc .config log report info possible deadlock in _snd_pcm_stream_lock_irqsave
ci-upstream-kasan-gce 2021/08/24 18:33 upstream 6e764bcd1cf7 b599f2fc .config log report info possible deadlock in _snd_pcm_stream_lock_irqsave
ci-upstream-kasan-gce 2021/08/24 14:25 upstream d5ae8d7f85b7 b599f2fc .config log report info possible deadlock in _snd_pcm_stream_lock_irqsave
ci-upstream-kasan-gce 2021/08/22 18:40 upstream 9ff50bf2f2ff b599f2fc .config log report info possible deadlock in _snd_pcm_stream_lock_irqsave
ci-upstream-kasan-gce 2021/08/21 23:48 upstream 002c0aef1090 b599f2fc .config log report info possible deadlock in _snd_pcm_stream_lock_irqsave
ci-upstream-kasan-gce 2021/08/21 21:13 upstream 002c0aef1090 b599f2fc .config log report info possible deadlock in _snd_pcm_stream_lock_irqsave
ci-upstream-kasan-gce 2021/08/21 20:20 upstream 002c0aef1090 b599f2fc .config log report info possible deadlock in _snd_pcm_stream_lock_irqsave
ci-upstream-kasan-gce 2021/08/19 07:22 upstream d6d09a694205 a2fe1cb5 .config log report info possible deadlock in _snd_pcm_stream_lock_irqsave
ci-upstream-kasan-gce 2021/08/17 16:01 upstream 794c7931a242 a2fe1cb5 .config log report info possible deadlock in _snd_pcm_stream_lock_irqsave
ci-upstream-kasan-gce 2021/08/14 18:35 upstream dfa377c35d70 2489ab88 .config log report info possible deadlock in _snd_pcm_stream_lock_irqsave
ci-upstream-kasan-gce 2021/08/07 20:15 upstream c9194f32bfd9 6972b106 .config log report info possible deadlock in _snd_pcm_stream_lock_irqsave
ci-upstream-kasan-gce-selinux-root 2021/07/31 15:01 upstream c7d102232649 6c236867 .config log report info possible deadlock in _snd_pcm_stream_lock_irqsave
ci-upstream-kasan-gce-root 2021/07/30 19:01 upstream 764a5bc89b12 6c236867 .config log report info possible deadlock in _snd_pcm_stream_lock_irqsave
ci-upstream-kasan-gce-root 2021/07/30 18:10 upstream 764a5bc89b12 6c236867 .config log report info possible deadlock in _snd_pcm_stream_lock_irqsave
ci-upstream-kasan-gce-root 2021/07/29 13:50 upstream 4010a528219e b44001ce .config log report info possible deadlock in _snd_pcm_stream_lock_irqsave
ci-upstream-kasan-gce-root 2021/07/28 13:22 upstream 7d549995d4e0 17d6ab15 .config log report info possible deadlock in _snd_pcm_stream_lock_irqsave
ci-upstream-kasan-gce-root 2021/07/27 23:05 upstream 7d549995d4e0 17d6ab15 .config log report info possible deadlock in _snd_pcm_stream_lock_irqsave
ci-upstream-kasan-gce-root 2021/07/27 22:02 upstream ff1176468d36 17d6ab15 .config log report info possible deadlock in _snd_pcm_stream_lock_irqsave
ci-upstream-kasan-gce-selinux-root 2021/07/25 04:12 upstream 6498f6151825 4d1b57d4 .config log report info possible deadlock in _snd_pcm_stream_lock_irqsave
ci-upstream-kasan-gce 2021/07/24 19:37 upstream f0fddcec6b62 4d1b57d4 .config log report info possible deadlock in _snd_pcm_stream_lock_irqsave
ci-upstream-linux-next-kasan-gce-root 2021/08/05 19:48 linux-next 8d4b477da1a8 d2d6e680 .config log report info possible deadlock in _snd_pcm_stream_lock_irqsave
ci-upstream-linux-next-kasan-gce-root 2021/07/29 05:51 linux-next 5a4cee98ea75 9a4781d4 .config log report info possible deadlock in _snd_pcm_stream_lock_irqsave
ci-upstream-linux-next-kasan-gce-root 2021/07/27 01:27 linux-next 2265c5286967 fd511809 .config log report info possible deadlock in _snd_pcm_stream_lock_irqsave