syzbot


INFO: rcu detected stall in tcp_write_timer (2)
Status: auto-closed as invalid on 2021/05/03 11:59
Reported-by: syzbot+@syzkaller.appspotmail.com
First crash: 320d, last: 264d
similar bugs (6):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: rcu detected stall in tcp_write_timer 3 813d 808d 0/22 auto-closed as invalid on 2019/10/25 14:11
upstream INFO: rcu detected stall in tcp_write_timer (3) 1 131d 131d 0/22 auto-closed as invalid on 2021/09/13 13:17
linux-4.14 INFO: rcu detected stall in tcp_write_timer 4 415d 658d 0/1 auto-closed as invalid on 2021/01/02 05:45
linux-4.19 INFO: rcu detected stall in tcp_write_timer 2 544d 598d 0/1 auto-closed as invalid on 2020/08/26 06:46
linux-4.19 BUG: soft lockup in tcp_write_timer (2) 1 41d 41d 0/1 upstream: reported on 2021/09/13 19:46
linux-4.19 BUG: soft lockup in tcp_write_timer 1 206d 206d 0/1 auto-closed as invalid on 2021/07/30 14:52

Sample crash report:

Crashes (2):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-root 2021/02/02 11:57 upstream 88bb507a74ea 19e09687 .config log report info INFO: rcu detected stall in tcp_write_timer
ci-upstream-kasan-gce-root 2020/12/09 01:56 upstream 7d8761ba27fc a7f7f4a4 .config log report info