syzbot


net-next test error: unregister_netdevice: waiting for DEV to become free
Status: internal: reported on 2021/03/30 09:50
Reported-by: syzbot+@syzkaller.appspotmail.com
Fix commit: ipv6: remove extra dev_hold() for fallback tunnels
Patched on: [ci-upstream-bpf-next-kasan-gce ci-upstream-linux-next-kasan-gce-root ci-upstream-net-kasan-gce], missing on: [ci-qemu-upstream ci-qemu-upstream-386 ci-qemu2-arm32 ci-qemu2-arm64 ci-qemu2-arm64-compat ci-qemu2-arm64-mte ci-qemu2-riscv64 ci-upstream-bpf-kasan-gce ci-upstream-gce-leak ci-upstream-kasan-gce ci-upstream-kasan-gce-386 ci-upstream-kasan-gce-root ci-upstream-kasan-gce-selinux-root ci-upstream-kasan-gce-smack-root ci-upstream-kmsan-gce ci-upstream-kmsan-gce-386 ci-upstream-net-this-kasan-gce ci2-upstream-kcsan-gce ci2-upstream-usb]
First crash: 23d, last: 22d

Sample crash report:

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 3cbf7530 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 3cbf7530 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 3cbf7530 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 28110056 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 28110056 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 28110056 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 dc5fa207 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 dc5fa207 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 dc5fa207 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 cda1893e 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 cda1893e 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 cda1893e 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 fdb5cc6a 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 fdb5cc6a 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 fdb5cc6a 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 d0922bf7 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 d0922bf7 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 d0922bf7 6a81331a .config log report net-next test error: unregister_netdevice: waiting for DEV to become free