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: 272d, last: 4d02h

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 1 27d 271d 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 2021/03/12 02:13 upstream f78d76e7 cb93dc6a .config log report syz C
ci-upstream-kasan-gce-root 2021/01/27 10:14 upstream 2ab38c17 cb93dc6a .config log report syz C
ci-upstream-kasan-gce-root 2020/11/15 16:40 upstream e28c0d7c cb93dc6a .config log report syz C
ci-upstream-kasan-gce-root 2020/09/20 05:19 upstream 325d0eab cb93dc6a .config log report syz C
Crashes (16):
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 92ed3019 cb93dc6a .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/07/25 13:47 upstream 68845a55 1f7cc1ca .config log report syz C
ci-upstream-kasan-gce-386 2020/07/25 13:00 upstream 68845a55 1f7cc1ca .config log report syz C
ci-upstream-net-this-kasan-gce 2020/07/24 01:03 net e6827d1a 70c104a1 .config log report syz C
ci-upstream-net-kasan-gce 2020/07/23 23:18 net-next 7fc3b978 70c104a1 .config log report syz C
ci-upstream-kasan-gce 2021/04/12 03:02 upstream 7d900724 bfeda1b1 .config log report info INFO: rcu detected stall in rtnl_newlink
ci-upstream-net-kasan-gce 2021/04/17 21:34 net-next e7ad33fa 7e2b734b .config log report info INFO: rcu detected stall in rtnl_newlink
ci-upstream-net-kasan-gce 2021/04/04 14:16 net-next 428e68e1 6a81331a .config log report info INFO: rcu detected stall in rtnl_newlink
ci-upstream-net-kasan-gce 2021/04/01 13:06 net-next 917e2e6c 6a81331a .config log report info INFO: rcu detected stall in rtnl_newlink
ci-upstream-net-kasan-gce 2021/02/09 17:42 net-next 5ea3c72c 2bd9619f .config log report info INFO: rcu detected stall in rtnl_newlink
ci-upstream-kasan-gce-smack-root 2020/08/20 23:25 upstream da2968ff 1d75fe45 .config log report
ci-upstream-net-kasan-gce 2020/12/28 09:52 net-next 3db1a3fa 2242f77f .config log report info
ci-upstream-bpf-next-kasan-gce 2020/12/09 18:55 bpf-next 08c6a2f6 c090b4da .config log report info
ci-upstream-net-kasan-gce 2020/10/16 14:55 net-next 9ff9b0d3 6e262c73 .config log report info
ci-upstream-net-kasan-gce 2020/10/11 12:48 net-next df41c19a 4a77ae0b .config log report info
ci-upstream-net-kasan-gce 2020/07/23 21:36 net-next 7fc3b978 70c104a1 .config log report