syzbot


possible deadlock in snd_pcm_period_elapsed (2)
Status: internal: reported on 2021/07/24 19:31
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: 2h04m
similar bugs (1):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream possible deadlock in snd_pcm_period_elapsed 96 336d 337d 0/22 closed as dup on 2020/12/06 08:32

Sample crash report:

Crashes (26):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-smack-root 2021/09/17 03:54 upstream bdb575f87217 5b989942 .config log report info possible deadlock in snd_pcm_period_elapsed
ci-upstream-kasan-gce-smack-root 2021/09/11 05:36 upstream 926de8c4326c 5ae8508a .config log report info possible deadlock in snd_pcm_period_elapsed
ci-upstream-kasan-gce-smack-root 2021/09/10 06:08 upstream bf9f243f23e6 e2776ee4 .config log report info possible deadlock in snd_pcm_period_elapsed
ci-upstream-kasan-gce-smack-root 2021/08/27 23:08 upstream 77dd11439b86 d5a29e53 .config log report info possible deadlock in snd_pcm_period_elapsed
ci-upstream-kasan-gce-smack-root 2021/08/27 10:35 upstream 77dd11439b86 b318694d .config log report info possible deadlock in snd_pcm_period_elapsed
ci-upstream-kasan-gce-smack-root 2021/08/26 21:14 upstream 1a6d80ff2419 b318694d .config log report info possible deadlock in snd_pcm_period_elapsed
ci-upstream-kasan-gce-smack-root 2021/08/26 21:05 upstream 1a6d80ff2419 b318694d .config log report info possible deadlock in snd_pcm_period_elapsed
ci-upstream-kasan-gce-smack-root 2021/08/26 00:19 upstream fe67f4dd8daa b599f2fc .config log report info possible deadlock in snd_pcm_period_elapsed
ci-upstream-kasan-gce-smack-root 2021/08/24 00:48 upstream d5ae8d7f85b7 b599f2fc .config log report info possible deadlock in snd_pcm_period_elapsed
ci-upstream-kasan-gce-smack-root 2021/08/24 00:35 upstream d5ae8d7f85b7 b599f2fc .config log report info possible deadlock in snd_pcm_period_elapsed
ci-upstream-kasan-gce-smack-root 2021/08/23 09:20 upstream e22ce8eb631b b599f2fc .config log report info possible deadlock in snd_pcm_period_elapsed
ci-upstream-kasan-gce-smack-root 2021/08/23 08:59 upstream e22ce8eb631b b599f2fc .config log report info possible deadlock in snd_pcm_period_elapsed
ci-upstream-kasan-gce-smack-root 2021/08/20 19:00 upstream d992fe5318d8 b599f2fc .config log report info possible deadlock in snd_pcm_period_elapsed
ci-upstream-kasan-gce-smack-root 2021/08/19 17:01 upstream d6d09a694205 b599f2fc .config log report info possible deadlock in snd_pcm_period_elapsed
ci-upstream-kasan-gce-smack-root 2021/08/19 06:40 upstream d6d09a694205 a2fe1cb5 .config log report info possible deadlock in snd_pcm_period_elapsed
ci-upstream-kasan-gce-smack-root 2021/08/17 16:12 upstream 794c7931a242 a2fe1cb5 .config log report info possible deadlock in snd_pcm_period_elapsed
ci-upstream-kasan-gce-smack-root 2021/08/17 14:53 upstream 794c7931a242 33c26cb7 .config log report info possible deadlock in snd_pcm_period_elapsed
ci-upstream-kasan-gce-smack-root 2021/08/01 23:50 upstream d4affd6b6e81 6c236867 .config log report info possible deadlock in snd_pcm_period_elapsed
ci-upstream-kasan-gce-smack-root 2021/08/01 22:30 upstream d4affd6b6e81 6c236867 .config log report info possible deadlock in snd_pcm_period_elapsed
ci-upstream-kasan-gce-smack-root 2021/07/30 17:53 upstream 764a5bc89b12 6c236867 .config log report info possible deadlock in snd_pcm_period_elapsed
ci-upstream-kasan-gce-smack-root 2021/07/30 17:13 upstream 764a5bc89b12 c585c7b0 .config log report info possible deadlock in snd_pcm_period_elapsed
ci-upstream-kasan-gce-smack-root 2021/07/30 00:57 upstream 7e96bf476270 c585c7b0 .config log report info possible deadlock in snd_pcm_period_elapsed
ci-upstream-kasan-gce-smack-root 2021/07/29 13:42 upstream 4010a528219e b44001ce .config log report info possible deadlock in snd_pcm_period_elapsed
ci-upstream-kasan-gce-smack-root 2021/07/28 22:53 upstream 4010a528219e 9a4781d4 .config log report info possible deadlock in snd_pcm_period_elapsed
ci-upstream-kasan-gce-smack-root 2021/07/26 05:09 upstream d8079fac1681 4d1b57d4 .config log report info possible deadlock in snd_pcm_period_elapsed
ci-upstream-kasan-gce-smack-root 2021/07/24 19:30 upstream f0fddcec6b62 4d1b57d4 .config log report info possible deadlock in snd_pcm_period_elapsed