syzbot


INFO: rcu detected stall in __perf_sw_event
Status: upstream: reported syz repro on 2019/02/07 15:07
Reported-by: syzbot+a41ac89a0712acde0e84@syzkaller.appspotmail.com
First crash: 1070d, last: 136d

Cause bisection: introduced by (bisect log) :
commit cf85d89562f39cc7ae73de54639f1915a9195b7a
Author: Finn Thain <fthain@telegraphics.com.au>
Date: Fri May 25 07:34:36 2018 +0000

  m68k/mac: Enable PDMA for PowerBook 500 series

Crash: INFO: rcu detected stall in __perf_sw_event (log)
Repro: syz .config

Fix bisection: failed (bisect log)
similar bugs (7):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 INFO: rcu detected stall in __perf_sw_event 2 738d 804d 0/1 auto-closed as invalid on 2020/01/11 01:03
linux-4.19 INFO: rcu detected stall in __perf_sw_event (2) C error 55 24d 608d 0/1 upstream: reported C repro on 2020/01/20 09:59
android-414 INFO: rcu detected stall in __perf_sw_event 13 995d 891d 0/1 auto-closed as invalid on 2019/06/27 14:55
linux-4.14 INFO: rcu detected stall in __perf_sw_event C 3 2d04h 420d 0/1 upstream: reported C repro on 2020/07/27 06:04
android-49 INFO: rcu detected stall in __perf_sw_event C 23 893d 891d 0/3 public: reported C repro on 2019/04/13 00:00
android-54 BUG: soft lockup in __perf_sw_event (2) C 3 50d 59d 0/1 upstream: reported C repro on 2021/07/22 23:36
linux-4.14 BUG: soft lockup in __perf_sw_event syz error 1 138d 138d 0/1 upstream: reported syz repro on 2021/05/04 21:59

Sample crash report:

Crashes (99):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-smack-root 2019/04/10 13:28 upstream 0ee7fb36f988 65b612b7 .config log report syz
ci-upstream-kasan-gce-smack-root 2019/02/07 15:03 upstream b0314565da2b aa4feb03 .config log report syz
ci-upstream-linux-next-kasan-gce-root 2020/08/02 06:00 linux-next 01830e6c042e d895b3be .config log report syz
ci-upstream-kasan-gce-selinux-root 2021/05/06 13:58 upstream d2b6f8a17919 06c27ff5 .config log report info INFO: rcu detected stall in __perf_sw_event
ci-upstream-kasan-gce-selinux-root 2021/04/29 19:32 upstream d2b6f8a17919 77e2b668 .config log report info INFO: rcu detected stall in __perf_sw_event
ci-upstream-kasan-gce-smack-root 2021/04/22 09:16 upstream 16fc44d6387e 33c28d03 .config log report info INFO: rcu detected stall in __perf_sw_event
ci-upstream-kasan-gce-selinux-root 2021/04/10 11:43 upstream d4961772226d bfeda1b1 .config log report info INFO: rcu detected stall in __perf_sw_event
ci-upstream-kasan-gce-selinux-root 2021/03/22 12:45 upstream 0d02ec6b3136 bea32f74 .config log report info INFO: rcu detected stall in __perf_sw_event
ci-upstream-kasan-gce-selinux-root 2021/03/07 19:24 upstream a38fd8748464 75506d9c .config log report info INFO: rcu detected stall in __perf_sw_event
ci-upstream-kasan-gce-selinux-root 2021/02/24 05:35 upstream c03c21ba6f4e fcc6d71b .config log report info INFO: rcu detected stall in __perf_sw_event
ci-upstream-linux-next-kasan-gce-root 2021/02/09 19:19 linux-next aa2b88209686 2bd9619f .config log report info INFO: rcu detected stall in __perf_sw_event
ci-upstream-linux-next-kasan-gce-root 2021/02/03 23:14 linux-next 58b6c0e507b7 624dad51 .config log report info INFO: rcu detected stall in __perf_sw_event
ci-upstream-linux-next-kasan-gce-root 2021/01/18 02:23 linux-next b3a3cbdec55b fd103621 .config log report info INFO: rcu detected stall in __perf_sw_event
ci-upstream-kasan-gce-selinux-root 2021/01/09 10:59 upstream 996e435fd401 a6c52263 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/12/16 23:18 upstream 5e60366d56c6 04201c06 .config log report info
ci-upstream-kasan-gce-smack-root 2020/12/01 21:40 upstream b65054597872 07bfe8a5 .config log report info
ci-upstream-kasan-gce-root 2020/10/28 18:26 upstream ed8780e3f2ec f24824d3 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/10/26 11:10 upstream 3650b228f83a a7aac492 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/10/25 21:53 upstream 672f88712615 a1839e81 .config log report info
ci-upstream-kasan-gce-root 2020/10/23 21:41 upstream 0adc313c4f20 2bb6666c .config log report info
ci-upstream-kasan-gce-selinux-root 2020/10/14 08:04 upstream 029f56db6ac2 fc7735a2 .config log report info
ci-upstream-kasan-gce-root 2020/10/12 14:04 upstream bbf5c979011a 4a77ae0b .config log report info
ci-upstream-kasan-gce-root 2020/10/06 04:34 upstream 7575fdda569b 1880b4a9 .config log report info
ci-upstream-kasan-gce-root 2020/10/05 18:54 upstream 549738f15da0 1880b4a9 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/09/30 13:27 upstream 02de58b24d2e 8516f6d3 .config log report info
ci-upstream-kasan-gce-root 2020/09/24 15:29 upstream c9c9e6a49f89 54289b08 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/08/22 21:30 upstream c3d8f220d012 1da71ab0 .config log report
ci-upstream-kasan-gce-selinux-root 2020/08/22 17:13 upstream f873db9acd3c 6436ce4b .config log report
ci-upstream-kasan-gce-smack-root 2020/08/17 16:51 upstream 2cc3c4b3c2e9 424dd8e7 .config log report
ci-upstream-kasan-gce-selinux-root 2020/08/15 23:14 upstream c9c9735c46f5 424dd8e7 .config log report
ci-upstream-kasan-gce-selinux-root 2020/06/14 01:02 upstream 7ae77150d94d dbce178a .config log report
ci-upstream-kasan-gce-root 2020/05/18 02:09 upstream b9bbe6ed63b2 37bccd4e .config log report
ci-upstream-kasan-gce-root 2020/04/28 14:02 upstream 51184ae37e05 e3ecea2e .config log report
ci-upstream-kasan-gce-selinux-root 2020/04/09 18:19 upstream 5d30bcacd91a a8c6a3f8 .config log report
ci-upstream-kasan-gce-root 2020/03/11 23:46 upstream f35111a94654 e7caca8e .config log report
ci-upstream-kasan-gce-root 2020/03/09 19:29 upstream 2c523b344dfa 35f53e45 .config log report
ci-upstream-kasan-gce-root 2020/02/25 11:36 upstream f8788d86ab28 59b57593 .config log report
ci-upstream-kasan-gce-root 2020/02/19 05:11 upstream 0a44cac81050 135c18aa .config log report
ci-upstream-kasan-gce-selinux-root 2020/02/16 11:19 upstream db70e26e33ee cf914200 .config log report
ci-upstream-kasan-gce-selinux-root 2020/02/13 13:20 upstream f2850dd5ee01 84f4fc8a .config log report
ci-upstream-kasan-gce-root 2020/01/31 14:48 upstream ccaaaf6fe5a5 5ed23f9a .config log report
ci-upstream-kasan-gce-root 2020/01/15 16:54 upstream 95e20af9fb9c 069a5a44 .config log report
ci-upstream-kasan-gce-selinux-root 2018/10/16 00:35 upstream f0a7d1883d9f 8cd30605 .config log report
ci-upstream-linux-next-kasan-gce-root 2020/12/29 19:21 linux-next d7a03a44a5e9 80910769 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/12/12 15:38 linux-next 14240d4c5b25 bca53db9 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/10/19 09:33 linux-next b2926c108f9f ff4a3345 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/10/02 03:57 linux-next d39294091fee 9602ddf4 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/08/27 00:24 linux-next f37be72473a0 318430cb .config log report
ci-upstream-linux-next-kasan-gce-root 2020/08/24 13:19 linux-next d8be0e12a522 67b599d1 .config log report
ci-upstream-linux-next-kasan-gce-root 2020/08/21 05:56 linux-next 494d311a82bb 1d75fe45 .config log report
ci-upstream-linux-next-kasan-gce-root 2020/08/19 20:33 linux-next 8eb858df0a5f 94b45706 .config log report
ci-upstream-linux-next-kasan-gce-root 2020/08/10 10:15 linux-next f80535b9aa10 70301872 .config log report
ci-upstream-linux-next-kasan-gce-root 2020/07/18 23:20 linux-next 4c43049f19a2 9c812472 .config log report
ci-upstream-linux-next-kasan-gce-root 2020/05/20 00:37 linux-next ac935d227366 67fa1f59 .config log report
ci-upstream-linux-next-kasan-gce-root 2020/05/19 12:12 linux-next ac935d227366 6d882fd2 .config log report
ci-upstream-linux-next-kasan-gce-root 2020/03/22 17:03 linux-next 770fbb32d34e 78267cec .config log report
ci-upstream-linux-next-kasan-gce-root 2020/02/24 18:14 linux-next bdc5461b23ca 59b57593 .config log report
ci-upstream-linux-next-kasan-gce-root 2020/02/12 13:34 linux-next 129759899765 a75b198c .config log report