syzbot


INFO: task hung in disconnect_work
Status: upstream: reported C repro on 2021/02/16 16:57
Reported-by: syzbot+060f9ce2b428f88a288f@syzkaller.appspotmail.com
First crash: 82d, last: 21d

Cause bisection: the issue happens on the oldest tested release (bisect log)
Crash: INFO: task hung in addrconf_dad_work (log)
Repro: C syz .config
similar bugs (2):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 INFO: task hung in disconnect_work 1 66d 66d 0/1 upstream: reported on 2021/03/04 18:09
linux-4.14 INFO: task hung in disconnect_work C 1 12d 193d 0/1 upstream: reported C repro on 2020/10/28 14:37

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-selinux-root 2021/03/18 14:24 upstream 6417f031 98682e5e .config log report syz C
Crashes (3):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-selinux-root 2021/02/16 13:57 upstream f40ddce8 98682e5e .config log report syz C INFO: task hung in disconnect_work
ci-upstream-linux-next-kasan-gce-root 2021/04/18 03:58 linux-next 1216f02e 7e2b734b .config log report syz C INFO: task hung in disconnect_work
ci-upstream-linux-next-kasan-gce-root 2021/03/24 06:37 linux-next d949689e e613994b .config log report syz C INFO: task hung in disconnect_work