syzbot


INFO: rcu detected stall in do_signal (4)
Status: upstream: reported on 2021/11/28 13:43
Reported-by: syzbot+b092ac47b6897ab77774@syzkaller.appspotmail.com
First crash: 52d, last: 11d
similar bugs (9):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: rcu detected stall in do_signal (3) 2 778d 778d 0/22 closed as invalid on 2019/12/04 14:04
linux-4.19 INFO: rcu detected stall in do_signal (2) 1 738d 738d 0/1 auto-closed as invalid on 2020/05/11 22:29
upstream INFO: rcu detected stall in do_signal 2 1177d 1196d 0/22 auto-closed as invalid on 2019/04/28 15:41
linux-4.14 INFO: rcu detected stall in do_signal (2) 1 322d 322d 0/1 auto-closed as invalid on 2021/07/02 05:05
linux-4.19 INFO: rcu detected stall in do_signal 1 999d 999d 0/1 auto-closed as invalid on 2019/10/23 10:40
linux-4.14 INFO: rcu detected stall in do_signal 7 449d 763d 0/1 auto-closed as invalid on 2021/02/24 19:41
linux-4.19 INFO: rcu detected stall in do_signal (3) 6 286d 588d 0/1 auto-closed as invalid on 2021/08/06 21:07
upstream INFO: rcu detected stall in do_signal (2) 3 782d 782d 0/22 closed as invalid on 2019/11/29 14:24
upstream INFO: rcu detected stall in do_signal (4) C done error 30 532d 758d 0/22 upstream: reported C repro on 2019/12/23 09:45

Sample crash report:

Crashes (3):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-19 2022/01/09 06:50 linux-4.19.y 3f8a27f9e27b 2ca0d385 .config log report info INFO: rcu detected stall in do_signal
ci2-linux-4-19 2021/12/31 18:25 linux-4.19.y 3f8a27f9e27b 36bd2e48 .config log report info INFO: rcu detected stall in do_signal
ci2-linux-4-19 2021/11/28 13:43 linux-4.19.y 3f8a27f9e27b 63eeac02 .config log report info INFO: rcu detected stall in do_signal