syzbot


INFO: rcu detected stall in rtnl_newlink
Status: upstream: reported C repro on 2020/07/24 05:44
Reported-by: syzbot+d46d08c4209a3a86ccc5@syzkaller.appspotmail.com
First crash: 450d, last: 10d

Cause bisection: the issue happens on the oldest tested release (bisect log)
Crash: WARNING in sysfs_warn_dup (log)
Repro: C syz .config
similar bugs (1):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 INFO: rcu detected stall in rtnl_newlink C 2 20d 450d 0/1 upstream: reported C repro on 2020/07/24 01:06

Sample crash report:

Fix bisection attempts:
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-root 2021/10/06 14:24 upstream 60a9483534ed cb93dc6a .config log report syz C
ci-upstream-kasan-gce-root 2021/05/17 21:57 upstream d07f6ca923ea cb93dc6a .config log report syz C
ci-upstream-kasan-gce-root 2021/03/12 02:13 upstream f78d76e72a46 cb93dc6a .config log report syz C
ci-upstream-kasan-gce-root 2021/01/27 10:14 upstream 2ab38c17aac1 cb93dc6a .config log report syz C
ci-upstream-kasan-gce-root 2020/11/15 16:40 upstream e28c0d7c92c8 cb93dc6a .config log report syz C
ci-upstream-kasan-gce-root 2020/09/20 05:19 upstream 325d0eab4f31 cb93dc6a .config log report syz C
Crashes (31):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-root 2020/07/28 03:41 upstream 92ed30191993 cb93dc6a .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/07/25 13:47 upstream 68845a55c31b 1f7cc1ca .config log report syz C
ci-upstream-kasan-gce-386 2020/07/25 13:00 upstream 68845a55c31b 1f7cc1ca .config log report syz C
ci-upstream-net-this-kasan-gce 2020/07/24 01:03 net e6827d1abdc9 70c104a1 .config log report syz C
ci-upstream-net-kasan-gce 2020/07/23 23:18 net-next 7fc3b978a897 70c104a1 .config log report syz C
ci-upstream-kasan-gce-root 2021/09/04 01:09 upstream 7cca308cfdc0 d236a457 .config log report info INFO: rcu detected stall in rtnl_newlink
ci-upstream-kasan-gce 2021/06/28 04:17 upstream b4b27b9eed8e 9d2ab5df .config log report info INFO: rcu detected stall in rtnl_newlink
ci-upstream-kasan-gce 2021/04/12 03:02 upstream 7d900724913c bfeda1b1 .config log report info INFO: rcu detected stall in rtnl_newlink
ci-upstream-kasan-gce-386 2021/08/04 01:34 upstream d5ad8ec3cfb5 6c236867 .config log report info INFO: rcu detected stall in rtnl_newlink
ci-upstream-net-this-kasan-gce 2021/07/03 23:19 net dbe69e433722 55aa55c2 .config log report info INFO: rcu detected stall in rtnl_newlink
ci-upstream-bpf-kasan-gce 2021/06/22 04:40 bpf 781dd0431eb5 aba2b2fb .config log report info INFO: rcu detected stall in rtnl_newlink
ci-upstream-net-this-kasan-gce 2021/06/20 05:32 net 9ed13a17e38e aba2b2fb .config log report info INFO: rcu detected stall in rtnl_newlink
ci-upstream-net-kasan-gce 2021/09/06 04:39 net-next 29ce8f970107 d236a457 .config log report info INFO: rcu detected stall in rtnl_newlink
ci-upstream-net-kasan-gce 2021/07/12 01:42 net-next 5e437416ff66 8f5a7b8c .config log report info INFO: rcu detected stall in rtnl_newlink
ci-upstream-net-kasan-gce 2021/07/06 02:03 net-next 5e437416ff66 55aa55c2 .config log report info INFO: rcu detected stall in rtnl_newlink
ci-upstream-net-kasan-gce 2021/07/03 04:13 net-next 5e437416ff66 55aa55c2 .config log report info INFO: rcu detected stall in rtnl_newlink
ci-upstream-net-kasan-gce 2021/06/27 15:00 net-next ff8744b5eb11 9d2ab5df .config log report info INFO: rcu detected stall in rtnl_newlink
ci-upstream-net-kasan-gce 2021/06/27 14:17 net-next ff8744b5eb11 9d2ab5df .config log report info INFO: rcu detected stall in rtnl_newlink
ci-upstream-net-kasan-gce 2021/06/27 03:17 net-next ff8744b5eb11 9d2ab5df .config log report info INFO: rcu detected stall in rtnl_newlink
ci-upstream-net-kasan-gce 2021/06/27 02:02 net-next ff8744b5eb11 9d2ab5df .config log report info INFO: rcu detected stall in rtnl_newlink
ci-upstream-bpf-next-kasan-gce 2021/06/14 09:10 bpf-next ca16b429f39b 1ba81399 .config log report info INFO: rcu detected stall in rtnl_newlink
ci-upstream-net-kasan-gce 2021/04/17 21:34 net-next e7ad33fa7bc5 7e2b734b .config log report info INFO: rcu detected stall in rtnl_newlink
ci-upstream-net-kasan-gce 2021/04/04 14:16 net-next 428e68e1a85a 6a81331a .config log report info INFO: rcu detected stall in rtnl_newlink
ci-upstream-net-kasan-gce 2021/04/01 13:06 net-next 917e2e6c5798 6a81331a .config log report info INFO: rcu detected stall in rtnl_newlink
ci-upstream-net-kasan-gce 2021/02/09 17:42 net-next 5ea3c72ccf9b 2bd9619f .config log report info INFO: rcu detected stall in rtnl_newlink
ci-upstream-kasan-gce-smack-root 2020/08/20 23:25 upstream da2968ff879b 1d75fe45 .config log report
ci-upstream-net-kasan-gce 2020/12/28 09:52 net-next 3db1a3fa9880 2242f77f .config log report info
ci-upstream-bpf-next-kasan-gce 2020/12/09 18:55 bpf-next 08c6a2f620e4 c090b4da .config log report info
ci-upstream-net-kasan-gce 2020/10/16 14:55 net-next 9ff9b0d392ea 6e262c73 .config log report info
ci-upstream-net-kasan-gce 2020/10/11 12:48 net-next df41c19abbea 4a77ae0b .config log report info
ci-upstream-net-kasan-gce 2020/07/23 21:36 net-next 7fc3b978a897 70c104a1 .config log report