syzbot


INFO: rcu detected stall in addrconf_dad_work
Status: fixed on 2019/10/09 10:54
Reported-by: syzbot+0055e43d6f67fb9b8ba1@syzkaller.appspotmail.com
Fix commit: d4d6ec6d sch_hhf: ensure quantum and hhf_non_hh_weight are non-zero
First crash: 614d, last: 605d

Cause bisection: the issue happens on the oldest tested release (bisect log)
Crash: no output from test machine (log)
Repro: C syz .config
similar bugs (7):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: rcu detected stall in addrconf_dad_work (5) C done 1 11d 247d 0/22 upstream: reported C repro on 2020/09/07 15:59
upstream INFO: rcu detected stall in addrconf_dad_work (4) 8 490d 491d 0/22 closed as invalid on 2020/01/09 08:13
upstream INFO: rcu detected stall in addrconf_dad_work (3) 6 491d 491d 0/22 closed as invalid on 2020/01/08 05:23
linux-4.14 INFO: rcu detected stall in addrconf_dad_work C done 18 607d 614d 1/1 fixed on 2019/12/06 10:33
upstream INFO: rcu detected stall in addrconf_dad_work (2) 15 526d 527d 0/22 closed as invalid on 2019/12/04 14:14
linux-4.19 INFO: rcu detected stall in addrconf_dad_work (2) C done 1 510d 510d 1/1 fixed on 2020/01/19 15:05
linux-4.19 INFO: rcu detected stall in addrconf_dad_work C done 19 602d 613d 1/1 fixed on 2019/12/07 19:18

Sample crash report:

Crashes (126):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce 2019/09/14 23:37 upstream a7f89616 32d59357 .config log report syz C
ci-upstream-kasan-gce-root 2019/09/14 20:58 upstream a7f89616 32d59357 .config log report syz C
ci-upstream-kasan-gce-root 2019/09/14 19:20 upstream a7f89616 32d59357 .config log report syz C
ci-upstream-kasan-gce-smack-root 2019/09/14 13:28 upstream a7f89616 32d59357 .config log report syz C
ci-upstream-kasan-gce-root 2019/09/14 02:28 upstream a7f89616 32d59357 .config log report syz C
ci-upstream-kasan-gce-selinux-root 2019/09/14 01:44 upstream a7f89616 32d59357 .config log report syz C
ci-upstream-kasan-gce-root 2019/09/14 00:55 upstream a7f89616 32d59357 .config log report syz C
ci-upstream-kasan-gce 2019/09/13 18:34 upstream 505a8ec7 40fa42bc .config log report syz C
ci-upstream-kasan-gce-smack-root 2019/09/13 16:48 upstream 505a8ec7 40fa42bc .config log report syz C
ci-upstream-kasan-gce 2019/09/13 16:31 upstream 505a8ec7 40fa42bc .config log report syz C
ci-upstream-kasan-gce 2019/09/13 13:17 upstream 505a8ec7 40fa42bc .config log report syz C
ci-upstream-kasan-gce-root 2019/09/13 12:36 upstream 505a8ec7 40fa42bc .config log report syz C
ci-upstream-kasan-gce-selinux-root 2019/09/13 00:40 upstream ad32b480 0b7672ee .config log report syz C
ci-upstream-kasan-gce-root 2019/09/13 00:19 upstream ad32b480 0b7672ee .config log report syz C
ci-upstream-kasan-gce-root 2019/09/12 19:13 upstream ad32b480 0b7672ee .config log report syz C
ci-upstream-kasan-gce-root 2019/09/12 16:38 upstream ad32b480 0b7672ee .config log report syz C
ci-upstream-kasan-gce 2019/09/12 07:54 upstream 3120b9a6 f4e53c10 .config log report syz C
ci-upstream-kasan-gce-smack-root 2019/09/12 07:47 upstream 3120b9a6 f4e53c10 .config log report syz C
ci-upstream-kasan-gce 2019/09/12 05:37 upstream 3120b9a6 f4e53c10 .config log report syz C
ci-upstream-kasan-gce 2019/09/12 03:32 upstream 3120b9a6 f4e53c10 .config log report syz C
ci-upstream-kasan-gce-selinux-root 2019/09/11 23:48 upstream 3120b9a6 f4e53c10 .config log report syz C
ci-upstream-kasan-gce-root 2019/09/11 16:50 upstream 3120b9a6 a60cb4cd .config log report syz C
ci-upstream-kasan-gce 2019/09/06 15:46 upstream 3b47fd5c 040fda58 .config log report syz C
ci-upstream-kasan-gce-386 2019/09/14 22:09 upstream a7f89616 32d59357 .config log report syz C
ci-upstream-kasan-gce-386 2019/09/13 14:51 upstream 505a8ec7 40fa42bc .config log report syz C
ci-upstream-kasan-gce-386 2019/09/13 10:51 upstream 505a8ec7 40fa42bc .config log report syz C
ci-upstream-kasan-gce-386 2019/09/12 02:16 upstream 3120b9a6 f4e53c10 .config log report syz C
ci-upstream-kasan-gce-386 2019/09/12 00:07 upstream 3120b9a6 f4e53c10 .config log report syz C
ci-upstream-kasan-gce-386 2019/09/11 09:48 upstream 3120b9a6 a60cb4cd .config log report syz C
ci-upstream-kasan-gce-386 2019/09/11 02:36 upstream 3120b9a6 a60cb4cd .config log report syz C
ci-upstream-kasan-gce-386 2019/09/06 15:18 upstream 3b47fd5c 040fda58 .config log report syz C
ci-upstream-net-this-kasan-gce 2019/09/10 14:08 net c8dc5595 a60cb4cd .config log report syz C
ci-upstream-net-kasan-gce 2019/09/15 23:26 net-next a3d3c74d 32d59357 .config log report syz C
ci-upstream-net-kasan-gce 2019/09/15 18:05 net-next a3d3c74d 32d59357 .config log report syz C
ci-upstream-net-kasan-gce 2019/09/15 07:21 net-next 1ba569fc 32d59357 .config log report syz C
ci-upstream-net-kasan-gce 2019/09/14 20:54 net-next 1ba569fc 32d59357 .config log report syz C
ci-upstream-net-kasan-gce 2019/09/14 16:34 net-next 1ba569fc 32d59357 .config log report syz C
ci-upstream-net-kasan-gce 2019/09/14 13:11 net-next 1ba569fc 32d59357 .config log report syz C
ci-upstream-net-kasan-gce 2019/09/14 05:23 net-next 022c10d6 32d59357 .config log report syz C
ci-upstream-net-kasan-gce 2019/09/14 00:19 net-next 022c10d6 32d59357 .config log report syz C
ci-upstream-net-kasan-gce 2019/09/13 18:29 net-next 022c10d6 40fa42bc .config log report syz C
ci-upstream-net-kasan-gce 2019/09/13 12:35 net-next 172ca830 40fa42bc .config log report syz C
ci-upstream-net-kasan-gce 2019/09/13 10:54 net-next 172ca830 40fa42bc .config log report syz C
ci-upstream-net-kasan-gce 2019/09/12 05:58 net-next c1609946 f4e53c10 .config log report syz C
ci-upstream-net-kasan-gce 2019/09/12 04:08 net-next c1609946 f4e53c10 .config log report syz C
ci-upstream-net-kasan-gce 2019/09/12 01:30 net-next c1609946 f4e53c10 .config log report syz C
ci-upstream-net-kasan-gce 2019/09/11 14:30 net-next 747f3cf4 a60cb4cd .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2019/09/15 18:54 linux-next 6d028043 32d59357 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2019/09/15 06:26 linux-next 6d028043 32d59357 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2019/09/15 04:47 linux-next 6d028043 32d59357 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2019/09/14 19:31 linux-next 6d028043 32d59357 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2019/09/14 05:31 linux-next 6d028043 32d59357 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2019/09/13 17:45 linux-next 6d028043 40fa42bc .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2019/09/11 16:18 linux-next 6d028043 a60cb4cd .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2019/09/11 13:02 linux-next 6d028043 a60cb4cd .config log report syz C
ci-upstream-kasan-gce-root 2019/09/13 04:39 upstream 505a8ec7 40fa42bc .config log report
ci-upstream-kasan-gce-smack-root 2019/09/10 23:57 upstream 3120b9a6 a60cb4cd .config log report
ci-upstream-kasan-gce-386 2019/09/06 13:42 upstream 3b47fd5c 040fda58 .config log report
ci-upstream-net-this-kasan-gce 2019/09/06 14:24 net 7bdf4de1 040fda58 .config log report