syzbot


unregister_netdevice: waiting for DEV to become free (6)

Status: fixed on 2022/03/08 16:11
Reported-by: syzbot+@syzkaller.appspotmail.com
Fix commit: 34ac17ecbf57 ethtool: use ethnl_parse_header_dev_put()
First crash: 270d, last: 152d

Cause bisection: failed (bisect log)
similar bugs (11):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream unregister_netdevice: waiting for DEV to become free (3) C 1864 844d 905d 17/23 fixed on 2020/04/15 17:19
upstream unregister_netdevice: waiting for DEV to become free C 170521 1460d 1571d 9/23 fixed on 2018/08/08 18:10
linux-4.14 unregister_netdevice: waiting for DEV to become free C done 120 767d 1205d 1/1 fixed on 2020/08/02 06:53
android-49 unregister_netdevice: waiting for DEV to become free C 52164 987d 1214d 0/3 public: reported C repro on 2019/04/11 08:44
android-44 unregister_netdevice: waiting for DEV to become free C 4307 1049d 1214d 0/2 public: reported C repro on 2019/04/11 08:44
linux-4.14 unregister_netdevice: waiting for DEV to become free (2) C 353361 now 724d 0/1 upstream: reported C repro on 2020/08/13 09:52
android-414 unregister_netdevice: waiting for DEV to become free 1231 990d 1212d 0/1 auto-closed as invalid on 2020/02/19 10:10
upstream unregister_netdevice: waiting for DEV to become free (4) C done 50394 515d 718d 21/23 fixed on 2021/03/10 01:48
upstream unregister_netdevice: waiting for DEV to become free (2) C done 385621 905d 1453d 16/23 fixed on 2020/02/14 01:19
linux-4.19 unregister_netdevice: waiting for DEV to become free C 5011 2h31m 1215d 0/1 upstream: reported C repro on 2019/04/10 19:11
upstream unregister_netdevice: waiting for DEV to become free (5) C done 40035 270d 515d 22/23 fixed on 2021/11/10 00:50

Sample crash report:
unregister_netdevice: waiting for virt_wifi0 to become free. Usage count = 2

Crashes (13128):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-net-this-kasan-gce 2021/12/11 01:33 net 92816e262980 49ca1f59 .config log report syz C unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2021/12/11 08:05 net-next e5d75fc20b92 49ca1f59 .config log report syz C unregister_netdevice: waiting for DEV to become free
ci-upstream-kasan-gce-smack-root 2022/03/07 22:34 upstream ea4424be1688 7bdd8b2c .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-kasan-gce-selinux-root 2022/03/07 19:54 upstream ffb217a13a2e 7bdd8b2c .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-kasan-gce-smack-root 2022/03/07 01:57 upstream ffb217a13a2e 7bdd8b2c .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-kasan-gce-root 2022/03/07 00:48 upstream ffb217a13a2e 7bdd8b2c .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-kasan-gce-smack-root 2022/03/06 23:46 upstream ffb217a13a2e 7bdd8b2c .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-kasan-gce-smack-root 2022/03/06 11:19 upstream dcde98da9970 7bdd8b2c .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-kasan-gce-root 2022/03/06 10:11 upstream dcde98da9970 7bdd8b2c .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-kasan-gce-selinux-root 2022/03/05 23:07 upstream 0014404f9c18 7bdd8b2c .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-kasan-gce-smack-root 2022/03/05 18:44 upstream ac84e82f78cb 7bdd8b2c .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-kasan-gce-selinux-root 2022/03/05 17:42 upstream ac84e82f78cb 7bdd8b2c .config log report info unregister_netdevice: waiting for DEV to become free
ci-qemu-upstream 2022/03/05 13:44 upstream ac84e82f78cb 45a13a73 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-kasan-gce-selinux-root 2022/03/05 00:52 upstream 07ebd38a0da2 45a13a73 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-kasan-gce-root 2022/03/04 20:51 upstream 07ebd38a0da2 45a13a73 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-kasan-gce 2022/02/25 09:19 upstream 73878e5eb1bd 7c337266 .config log report info unregister_netdevice: waiting for DEV to become free
ci-qemu2-arm32 2022/03/08 06:07 upstream ea4424be1688 7bdd8b2c .config log report info unregister_netdevice: waiting for DEV to become free
ci-qemu-upstream-386 2022/03/07 23:32 upstream ea4424be1688 7bdd8b2c .config log report info unregister_netdevice: waiting for DEV to become free
ci-qemu-upstream-386 2022/03/06 14:18 upstream dcde98da9970 7bdd8b2c .config log report info unregister_netdevice: waiting for DEV to become free
ci-qemu-upstream-386 2022/03/06 13:10 upstream dcde98da9970 7bdd8b2c .config log report info unregister_netdevice: waiting for DEV to become free
ci-qemu-upstream-386 2022/03/05 21:44 upstream 0014404f9c18 7bdd8b2c .config log report info unregister_netdevice: waiting for DEV to become free
ci-qemu-upstream-386 2022/03/05 12:35 upstream ac84e82f78cb 45a13a73 .config log report info unregister_netdevice: waiting for DEV to become free
ci-qemu-upstream-386 2022/03/05 12:19 upstream ac84e82f78cb 45a13a73 .config log report info unregister_netdevice: waiting for DEV to become free
ci-qemu-upstream-386 2022/03/04 23:40 upstream 07ebd38a0da2 45a13a73 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-kasan-gce-386 2022/03/02 10:55 upstream fb184c4af9b9 45a13a73 .config log report info unregister_netdevice: waiting for DEV to become free
ci-qemu2-arm64-compat 2022/02/10 13:01 upstream f4bc5bbb5fef 0b33604d .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-this-kasan-gce 2022/03/08 15:41 net e5417cbf7ab5 7bdd8b2c .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-this-kasan-gce 2022/03/08 12:27 net c70c453abcbf 7bdd8b2c .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-this-kasan-gce 2022/03/08 04:23 net c70c453abcbf 7bdd8b2c .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-this-kasan-gce 2022/03/07 14:07 net bb77bd31c281 7bdd8b2c .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-this-kasan-gce 2022/03/07 12:45 net bb77bd31c281 7bdd8b2c .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-this-kasan-gce 2022/03/07 11:20 net afb3cc1a397d 7bdd8b2c .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-this-kasan-gce 2022/03/07 09:00 net afb3cc1a397d 7bdd8b2c .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-this-kasan-gce 2022/03/07 06:52 net afb3cc1a397d 7bdd8b2c .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-this-kasan-gce 2022/03/06 12:19 net afb3cc1a397d 7bdd8b2c .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-this-kasan-gce 2022/03/06 03:45 net c6a502c22999 7bdd8b2c .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-this-kasan-gce 2022/03/05 20:00 net c6a502c22999 7bdd8b2c .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-this-kasan-gce 2022/03/05 15:01 net c6a502c22999 45a13a73 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-this-kasan-gce 2022/03/05 05:17 net be4977b847f5 45a13a73 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-this-kasan-gce 2022/03/04 22:07 net 9f3956d6595a 45a13a73 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-bpf-kasan-gce 2022/02/17 09:30 bpf 45ce4b4f9009 2bea8a27 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2022/03/08 14:35 net-next 72f00505f2d2 7bdd8b2c .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2022/03/08 12:17 net-next 72f00505f2d2 7bdd8b2c .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2022/03/08 08:01 net-next 72f00505f2d2 7bdd8b2c .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2022/03/08 03:07 net-next 72f00505f2d2 7bdd8b2c .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2022/03/08 00:38 net-next 57d29a2935c9 7bdd8b2c .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2022/03/07 21:27 net-next 57d29a2935c9 7bdd8b2c .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2022/03/07 02:54 net-next 669b258a793d 7bdd8b2c .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2022/03/06 22:16 net-next 925a24213b5c 7bdd8b2c .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2022/03/06 09:07 net-next d59e3cbaef70 7bdd8b2c .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2022/03/06 07:17 net-next d59e3cbaef70 7bdd8b2c .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2022/03/06 06:00 net-next d59e3cbaef70 7bdd8b2c .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2022/03/06 04:46 net-next d59e3cbaef70 7bdd8b2c .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2022/03/06 02:41 net-next d59e3cbaef70 7bdd8b2c .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2022/03/05 17:24 net-next d59e3cbaef70 7bdd8b2c .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2022/03/05 01:33 net-next 1039135aedfc 45a13a73 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-bpf-next-kasan-gce 2022/02/12 02:55 bpf-next e5313968c41b 8b9ca619 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2021/11/10 01:13 net-next cc0356d6a02e 55fa030c .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-linux-next-kasan-gce-root 2022/03/05 11:14 linux-next 91265a6da44d 45a13a73 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-linux-next-kasan-gce-root 2022/03/05 10:04 linux-next 91265a6da44d 45a13a73 .config log report info unregister_netdevice: waiting for DEV to become free
ci-qemu2-riscv64 2022/02/26 17:40 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes 64a19591a293 45a13a73 .config log report info unregister_netdevice: waiting for DEV to become free