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: 873d, last: 10d

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 (5):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 INFO: rcu detected stall in __perf_sw_event 2 541d 607d 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 17 2d18h 411d 0/1 upstream: reported C repro on 2020/01/20 09:59
android-414 INFO: rcu detected stall in __perf_sw_event 13 798d 694d 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 15d 222d 0/1 upstream: reported C repro on 2020/07/27 06:04
android-49 INFO: rcu detected stall in __perf_sw_event C 23 696d 694d 0/3 public: reported C repro on 2019/04/13 00:00

Sample crash report:

Crashes (93):
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 0ee7fb36 65b612b7 .config log report syz
ci-upstream-kasan-gce-smack-root 2019/02/07 15:03 upstream b0314565 aa4feb03 .config log report syz
ci-upstream-linux-next-kasan-gce-root 2020/08/02 06:00 linux-next 01830e6c d895b3be .config log report syz
ci-upstream-kasan-gce-selinux-root 2021/02/24 05:35 upstream c03c21ba 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 aa2b8820 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 58b6c0e5 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 b3a3cbde 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 996e435f a6c52263 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/12/16 23:18 upstream 5e60366d 04201c06 .config log report info
ci-upstream-kasan-gce-smack-root 2020/12/01 21:40 upstream b6505459 07bfe8a5 .config log report info
ci-upstream-kasan-gce-root 2020/10/28 18:26 upstream ed8780e3 f24824d3 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/10/26 11:10 upstream 3650b228 a7aac492 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/10/25 21:53 upstream 672f8871 a1839e81 .config log report info
ci-upstream-kasan-gce-root 2020/10/23 21:41 upstream 0adc313c 2bb6666c .config log report info
ci-upstream-kasan-gce-selinux-root 2020/10/14 08:04 upstream 029f56db fc7735a2 .config log report info
ci-upstream-kasan-gce-root 2020/10/12 14:04 upstream bbf5c979 4a77ae0b .config log report info
ci-upstream-kasan-gce-root 2020/10/06 04:34 upstream 7575fdda 1880b4a9 .config log report info
ci-upstream-kasan-gce-root 2020/10/05 18:54 upstream 549738f1 1880b4a9 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/09/30 13:27 upstream 02de58b2 8516f6d3 .config log report info
ci-upstream-kasan-gce-root 2020/09/24 15:29 upstream c9c9e6a4 54289b08 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/08/22 21:30 upstream c3d8f220 1da71ab0 .config log report
ci-upstream-kasan-gce-selinux-root 2020/08/22 17:13 upstream f873db9a 6436ce4b .config log report
ci-upstream-kasan-gce-smack-root 2020/08/17 16:51 upstream 2cc3c4b3 424dd8e7 .config log report
ci-upstream-kasan-gce-selinux-root 2020/08/15 23:14 upstream c9c9735c 424dd8e7 .config log report
ci-upstream-kasan-gce-selinux-root 2020/06/14 01:02 upstream 7ae77150 dbce178a .config log report
ci-upstream-kasan-gce-root 2020/05/18 02:09 upstream b9bbe6ed 37bccd4e .config log report
ci-upstream-kasan-gce-root 2020/04/28 14:02 upstream 51184ae3 e3ecea2e .config log report
ci-upstream-kasan-gce-selinux-root 2020/04/09 18:19 upstream 5d30bcac a8c6a3f8 .config log report
ci-upstream-kasan-gce-root 2020/03/11 23:46 upstream f35111a9 e7caca8e .config log report
ci-upstream-kasan-gce-root 2020/03/09 19:29 upstream 2c523b34 35f53e45 .config log report
ci-upstream-kasan-gce-root 2020/02/25 11:36 upstream f8788d86 59b57593 .config log report
ci-upstream-kasan-gce-root 2020/02/19 05:11 upstream 0a44cac8 135c18aa .config log report
ci-upstream-kasan-gce-selinux-root 2020/02/16 11:19 upstream db70e26e cf914200 .config log report
ci-upstream-kasan-gce-selinux-root 2020/02/13 13:20 upstream f2850dd5 84f4fc8a .config log report
ci-upstream-kasan-gce-root 2020/01/31 14:48 upstream ccaaaf6f 5ed23f9a .config log report
ci-upstream-kasan-gce-root 2020/01/15 16:54 upstream 95e20af9 069a5a44 .config log report
ci-upstream-kasan-gce-selinux-root 2018/10/16 00:35 upstream f0a7d188 8cd30605 .config log report
ci-upstream-linux-next-kasan-gce-root 2020/12/29 19:21 linux-next d7a03a44 80910769 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/12/12 15:38 linux-next 14240d4c bca53db9 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/10/19 09:33 linux-next b2926c10 ff4a3345 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/10/02 03:57 linux-next d3929409 9602ddf4 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/08/27 00:24 linux-next f37be724 318430cb .config log report
ci-upstream-linux-next-kasan-gce-root 2020/08/24 13:19 linux-next d8be0e12 67b599d1 .config log report
ci-upstream-linux-next-kasan-gce-root 2020/08/21 05:56 linux-next 494d311a 1d75fe45 .config log report
ci-upstream-linux-next-kasan-gce-root 2020/08/19 20:33 linux-next 8eb858df 94b45706 .config log report
ci-upstream-linux-next-kasan-gce-root 2020/08/10 10:15 linux-next f80535b9 70301872 .config log report
ci-upstream-linux-next-kasan-gce-root 2020/07/18 23:20 linux-next 4c43049f 9c812472 .config log report
ci-upstream-linux-next-kasan-gce-root 2020/05/20 00:37 linux-next ac935d22 67fa1f59 .config log report
ci-upstream-linux-next-kasan-gce-root 2020/05/19 12:12 linux-next ac935d22 6d882fd2 .config log report
ci-upstream-linux-next-kasan-gce-root 2020/03/22 17:03 linux-next 770fbb32 78267cec .config log report
ci-upstream-linux-next-kasan-gce-root 2020/02/24 18:14 linux-next bdc5461b 59b57593 .config log report
ci-upstream-linux-next-kasan-gce-root 2020/02/12 13:34 linux-next 12975989 a75b198c .config log report