syzbot


INFO: rcu detected stall in __perf_sw_event (2)
Status: upstream: reported C repro on 2020/01/20 09:59
Reported-by: syzbot+f943e6800c765f72b1f5@syzkaller.appspotmail.com
First crash: 730d, last: 8d02h

Fix bisection: failed (bisect log)
similar bugs (8):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 INFO: rcu detected stall in __perf_sw_event 2 860d 926d 0/1 auto-closed as invalid on 2020/01/11 01:03
android-414 INFO: rcu detected stall in __perf_sw_event 13 1117d 1013d 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 4d01h 542d 0/1 upstream: reported C repro on 2020/07/27 06:04
android-49 INFO: rcu detected stall in __perf_sw_event C 23 1015d 1013d 0/3 public: reported C repro on 2019/04/13 00:00
upstream INFO: rcu detected stall in __perf_sw_event syz done error 99 258d 1077d 0/22 upstream: reported syz repro on 2019/02/07 15:07
android-54 BUG: soft lockup in __perf_sw_event (2) C 3 172d 181d 0/1 upstream: reported C repro on 2021/07/22 23:36
linux-4.14 BUG: soft lockup in __perf_sw_event C error 3 30d 260d 0/1 upstream: reported C repro on 2021/05/04 21:59
android-54 BUG: soft lockup in __perf_sw_event 2 387d 400d 0/1 auto-closed as invalid on 2021/04/27 17:47

Sample crash report:

Crashes (79):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-19 2021/03/09 13:02 linux-4.19.y 2cae3e25b706 09fbf400 .config log report syz C INFO: rcu detected stall in __perf_sw_event
ci2-linux-4-19 2021/02/09 05:53 linux-4.19.y 811218eceeaa 2bd9619f .config log report syz C INFO: rcu detected stall in __perf_sw_event
ci2-linux-4-19 2021/12/31 09:31 linux-4.19.y 3f8a27f9e27b 36bd2e48 .config log report syz C BUG: soft lockup in __perf_sw_event
ci2-linux-4-19 2021/12/22 22:20 linux-4.19.y 3f8a27f9e27b 6caa12e4 .config log report syz C BUG: soft lockup in __perf_sw_event
ci2-linux-4-19 2021/12/21 17:32 linux-4.19.y 3f8a27f9e27b a938f0b8 .config log report syz C BUG: soft lockup in __perf_sw_event
ci2-linux-4-19 2021/09/21 22:07 linux-4.19.y b172b44fcb17 169724fe .config log report syz C BUG: soft lockup in __perf_sw_event
ci2-linux-4-19 2021/08/02 03:55 linux-4.19.y 53bd76690e27 6c236867 .config log report syz C BUG: soft lockup in __perf_sw_event
ci2-linux-4-19 2021/06/28 03:25 linux-4.19.y eb575cd5d7f6 9d2ab5df .config log report syz C BUG: soft lockup in __perf_sw_event
ci2-linux-4-19 2021/06/22 13:11 linux-4.19.y eb575cd5d7f6 aba2b2fb .config log report syz C BUG: soft lockup in __perf_sw_event
ci2-linux-4-19 2021/06/13 11:07 linux-4.19.y 9a2dc0e6c531 1ba81399 .config log report syz C BUG: soft lockup in __perf_sw_event
ci2-linux-4-19 2020/01/20 15:03 linux-4.19.y dc4ba5be1bab c40da18c .config log report syz C
ci2-linux-4-19 2021/03/07 12:13 linux-4.19.y 2cae3e25b706 c599ed12 .config log report info INFO: rcu detected stall in __perf_sw_event
ci2-linux-4-19 2021/03/04 09:41 linux-4.19.y dfb571610ba3 d7e4e604 .config log report info INFO: rcu detected stall in __perf_sw_event
ci2-linux-4-19 2021/02/28 09:11 linux-4.19.y 2d19be4653f5 4c37c133 .config log report info INFO: rcu detected stall in __perf_sw_event
ci2-linux-4-19 2021/02/06 21:36 linux-4.19.y 811218eceeaa 0655e081 .config log report info INFO: rcu detected stall in __perf_sw_event
ci2-linux-4-19 2021/02/05 01:07 linux-4.19.y 811218eceeaa 23a562df .config log report info INFO: rcu detected stall in __perf_sw_event
ci2-linux-4-19 2022/01/12 06:57 linux-4.19.y 3f8a27f9e27b 44d1319a .config log report info BUG: soft lockup in __perf_sw_event
ci2-linux-4-19 2022/01/07 01:58 linux-4.19.y 3f8a27f9e27b 6acc789a .config log report info BUG: soft lockup in __perf_sw_event
ci2-linux-4-19 2022/01/06 02:05 linux-4.19.y 3f8a27f9e27b 6acc789a .config log report info BUG: soft lockup in __perf_sw_event
ci2-linux-4-19 2022/01/05 14:56 linux-4.19.y 3f8a27f9e27b 6acc789a .config log report info BUG: soft lockup in __perf_sw_event
ci2-linux-4-19 2021/12/27 15:36 linux-4.19.y 3f8a27f9e27b 5140bd58 .config log report info BUG: soft lockup in __perf_sw_event
ci2-linux-4-19 2021/12/22 09:17 linux-4.19.y 3f8a27f9e27b 6caa12e4 .config log report info BUG: soft lockup in __perf_sw_event
ci2-linux-4-19 2021/12/16 14:31 linux-4.19.y 3f8a27f9e27b 8dd6a5e3 .config log report info BUG: soft lockup in __perf_sw_event
ci2-linux-4-19 2021/12/11 04:50 linux-4.19.y 3f8a27f9e27b 49ca1f59 .config log report info BUG: soft lockup in __perf_sw_event
ci2-linux-4-19 2021/12/09 01:07 linux-4.19.y 3f8a27f9e27b a4a2a501 .config log report info BUG: soft lockup in __perf_sw_event
ci2-linux-4-19 2021/12/01 19:54 linux-4.19.y 3f8a27f9e27b 61f86278 .config log report info BUG: soft lockup in __perf_sw_event
ci2-linux-4-19 2021/11/29 15:51 linux-4.19.y 3f8a27f9e27b d0830353 .config log report info BUG: soft lockup in __perf_sw_event
ci2-linux-4-19 2021/11/26 18:45 linux-4.19.y 3f8a27f9e27b 63eeac02 .config log report info BUG: soft lockup in __perf_sw_event
ci2-linux-4-19 2021/11/14 12:23 linux-4.19.y 3f8a27f9e27b 75b04091 .config log report info BUG: soft lockup in __perf_sw_event
ci2-linux-4-19 2021/11/14 05:57 linux-4.19.y 3f8a27f9e27b 75b04091 .config log report info BUG: soft lockup in __perf_sw_event
ci2-linux-4-19 2021/11/09 00:26 linux-4.19.y 3f8a27f9e27b 8ab17e57 .config log report info BUG: soft lockup in __perf_sw_event
ci2-linux-4-19 2021/11/03 18:43 linux-4.19.y 3f8a27f9e27b 4c1be0be .config log report info BUG: soft lockup in __perf_sw_event
ci2-linux-4-19 2021/11/03 08:27 linux-4.19.y 3f8a27f9e27b 17f3edd2 .config log report info BUG: soft lockup in __perf_sw_event
ci2-linux-4-19 2021/10/18 17:11 linux-4.19.y 3f8a27f9e27b 24dc29db .config log report info BUG: soft lockup in __perf_sw_event
ci2-linux-4-19 2021/09/30 13:09 linux-4.19.y c2276d585654 0f01403d .config log report info BUG: soft lockup in __perf_sw_event
ci2-linux-4-19 2021/09/29 02:57 linux-4.19.y c2276d585654 d82cb927 .config log report info BUG: soft lockup in __perf_sw_event
ci2-linux-4-19 2021/08/26 14:22 linux-4.19.y e23d55af0e1f b599f2fc .config log report info BUG: soft lockup in __perf_sw_event
ci2-linux-4-19 2021/08/17 01:16 linux-4.19.y 59456c9cc40c 33c26cb7 .config log report info BUG: soft lockup in __perf_sw_event
ci2-linux-4-19 2021/08/05 05:17 linux-4.19.y 6ca2f514c578 7f7bb950 .config log report info BUG: soft lockup in __perf_sw_event
ci2-linux-4-19 2021/08/04 11:30 linux-4.19.y 6ca2f514c578 6c236867 .config log report info BUG: soft lockup in __perf_sw_event
ci2-linux-4-19 2021/07/31 07:25 linux-4.19.y 53bd76690e27 6c236867 .config log report info BUG: soft lockup in __perf_sw_event
ci2-linux-4-19 2021/07/30 04:46 linux-4.19.y a89b48fe9308 c585c7b0 .config log report info BUG: soft lockup in __perf_sw_event
ci2-linux-4-19 2021/07/29 16:42 linux-4.19.y a89b48fe9308 8a799410 .config log report info BUG: soft lockup in __perf_sw_event
ci2-linux-4-19 2021/07/28 10:41 linux-4.19.y a89b48fe9308 17d6ab15 .config log report info BUG: soft lockup in __perf_sw_event
ci2-linux-4-19 2021/07/27 17:24 linux-4.19.y 4938296e03bd 17d6ab15 .config log report info BUG: soft lockup in __perf_sw_event
ci2-linux-4-19 2021/07/15 17:17 linux-4.19.y fcfbdfe9626e f115ae98 .config log report info BUG: soft lockup in __perf_sw_event
ci2-linux-4-19 2021/07/07 17:11 linux-4.19.y 9f84340f012e 4846d5c1 .config log report info BUG: soft lockup in __perf_sw_event
ci2-linux-4-19 2021/06/18 01:15 linux-4.19.y eb575cd5d7f6 aba2b2fb .config log report info BUG: soft lockup in __perf_sw_event
ci2-linux-4-19 2021/06/16 11:13 linux-4.19.y eb575cd5d7f6 c06f97ad .config log report info BUG: soft lockup in __perf_sw_event
ci2-linux-4-19 2021/06/08 16:43 linux-4.19.y 1722257b8ece 5c2fe346 .config log report info BUG: soft lockup in __perf_sw_event
ci2-linux-4-19 2021/06/08 15:29 linux-4.19.y 1722257b8ece 5c2fe346 .config log report info BUG: soft lockup in __perf_sw_event
ci2-linux-4-19 2021/06/04 23:25 linux-4.19.y 1722257b8ece 500c2339 .config log report info BUG: soft lockup in __perf_sw_event
ci2-linux-4-19 2021/06/04 22:07 linux-4.19.y 1722257b8ece 500c2339 .config log report info BUG: soft lockup in __perf_sw_event
ci2-linux-4-19 2021/06/03 07:46 linux-4.19.y 1722257b8ece 0740de69 .config log report info BUG: soft lockup in __perf_sw_event
ci2-linux-4-19 2021/06/02 08:32 linux-4.19.y 6b7b0056defc 0740de69 .config log report info BUG: soft lockup in __perf_sw_event
ci2-linux-4-19 2021/05/26 22:07 linux-4.19.y 6b7b0056defc 858ea628 .config log report info BUG: soft lockup in __perf_sw_event
ci2-linux-4-19 2021/05/21 02:18 linux-4.19.y 3c8c23092588 3c7fef33 .config log report info BUG: soft lockup in __perf_sw_event
ci2-linux-4-19 2021/05/20 14:17 linux-4.19.y 3c8c23092588 c560a65d .config log report info BUG: soft lockup in __perf_sw_event
ci2-linux-4-19 2021/05/17 08:57 linux-4.19.y 3c8c23092588 a2eb125d .config log report info BUG: soft lockup in __perf_sw_event
ci2-linux-4-19 2021/05/04 13:34 linux-4.19.y 97a8651cadce 06c27ff5 .config log report info BUG: soft lockup in __perf_sw_event
ci2-linux-4-19 2021/04/28 19:23 linux-4.19.y 97a8651cadce 77e2b668 .config log report info BUG: soft lockup in __perf_sw_event
ci2-linux-4-19 2021/04/26 22:14 linux-4.19.y 2965db2e004c 8ee2dea6 .config log report info BUG: soft lockup in __perf_sw_event
ci2-linux-4-19 2021/04/26 22:05 linux-4.19.y 2965db2e004c 8ee2dea6 .config log report info BUG: soft lockup in __perf_sw_event
ci2-linux-4-19 2021/04/08 06:43 linux-4.19.y b4454811f122 6a81331a .config log report info BUG: soft lockup in __perf_sw_event
ci2-linux-4-19 2021/03/20 08:59 linux-4.19.y ac3af4beac43 e45f5621 .config log report info BUG: soft lockup in __perf_sw_event
ci2-linux-4-19 2021/03/19 21:00 linux-4.19.y ac3af4beac43 3d01c4de .config log report info BUG: soft lockup in __perf_sw_event
ci2-linux-4-19 2021/03/19 09:23 linux-4.19.y ac3af4beac43 2af9d324 .config log report info BUG: soft lockup in __perf_sw_event
ci2-linux-4-19 2020/11/29 00:07 linux-4.19.y 0c88e405c97e a0092f9d .config log report info
ci2-linux-4-19 2020/11/17 13:47 linux-4.19.y 31acccdc8774 bd2a760b .config log report info
ci2-linux-4-19 2020/10/13 20:00 linux-4.19.y a1b977b49b66 fc7735a2 .config log report info
ci2-linux-4-19 2020/09/26 22:36 linux-4.19.y 10ad6cfd5736 2d5ea0cb .config log report info
ci2-linux-4-19 2020/09/23 13:03 linux-4.19.y d09b80172c22 287cd75a .config log report info
ci2-linux-4-19 2020/08/29 20:13 linux-4.19.y f6d5cb9e2c06 d5a3ae1f .config log report
ci2-linux-4-19 2020/08/25 14:30 linux-4.19.y d18b78abc0c6 344da168 .config log report
ci2-linux-4-19 2020/08/03 04:59 linux-4.19.y 13af6c74b14a 96dd3623 .config log report
ci2-linux-4-19 2020/03/07 11:42 linux-4.19.y 7472c4028e23 2e9971bb .config log report
ci2-linux-4-19 2020/02/26 14:43 linux-4.19.y f25804f38984 251aabb7 .config log report
ci2-linux-4-19 2020/01/20 09:58 linux-4.19.y dc4ba5be1bab c40da18c .config log report