syzbot


net-next test error: unregister_netdevice: waiting for DEV to become free

Status: fixed on 2021/11/10 00:50
Reported-by: syzbot+@syzkaller.appspotmail.com
Fix commit: 0d7a7b2014b1 ipv6: remove extra dev_hold() for fallback tunnels
First crash: 546d, last: 544d

Sample crash report:
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = 2

Crashes (18):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-net-kasan-gce 2021/03/31 22:10 net-next 3cbf7530a163 6a81331a .config log report net-next test error: unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2021/03/31 22:10 net-next 3cbf7530a163 6a81331a .config log report net-next test error: unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2021/03/31 22:10 net-next 3cbf7530a163 6a81331a .config log report net-next test error: unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2021/03/31 05:34 net-next 28110056f2d0 6a81331a .config log report net-next test error: unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2021/03/31 05:34 net-next 28110056f2d0 6a81331a .config log report net-next test error: unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2021/03/31 05:34 net-next 28110056f2d0 6a81331a .config log report net-next test error: unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2021/03/31 04:50 net-next dc5fa2073f63 6a81331a .config log report net-next test error: unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2021/03/31 04:50 net-next dc5fa2073f63 6a81331a .config log report net-next test error: unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2021/03/31 04:50 net-next dc5fa2073f63 6a81331a .config log report net-next test error: unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2021/03/30 23:13 net-next cda1893e9f7c 6a81331a .config log report net-next test error: unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2021/03/30 23:13 net-next cda1893e9f7c 6a81331a .config log report net-next test error: unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2021/03/30 23:13 net-next cda1893e9f7c 6a81331a .config log report net-next test error: unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2021/03/30 22:27 net-next fdb5cc6ab3b6 6a81331a .config log report net-next test error: unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2021/03/30 22:27 net-next fdb5cc6ab3b6 6a81331a .config log report net-next test error: unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2021/03/30 22:27 net-next fdb5cc6ab3b6 6a81331a .config log report net-next test error: unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2021/03/30 09:49 net-next d0922bf79817 6a81331a .config log report net-next test error: unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2021/03/30 09:49 net-next d0922bf79817 6a81331a .config log report net-next test error: unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2021/03/30 09:49 net-next d0922bf79817 6a81331a .config log report net-next test error: unregister_netdevice: waiting for DEV to become free
* Struck through repros no longer work on HEAD.