syzbot


unregister_netdevice: waiting for DEV to become free (6)
Status: internal: reported C repro on 2021/11/10 01:14
Reported-by: syzbot+@syzkaller.appspotmail.com
Fix commit: 34ac17ecbf57 ethtool: use ethnl_parse_header_dev_put()
Patched on: [ci-qemu-upstream ci-qemu-upstream-386 ci-qemu2-arm32 ci-qemu2-arm64 ci-qemu2-arm64-compat ci-qemu2-arm64-mte ci-upstream-bpf-kasan-gce ci-upstream-bpf-next-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-linux-next-kasan-gce-root ci-upstream-net-kasan-gce ci-upstream-net-this-kasan-gce ci2-upstream-kcsan-gce ci2-upstream-usb], missing on: [ci-qemu2-riscv64 ci-upstream-kmsan-gce ci-upstream-kmsan-gce-386]
First crash: 78d, last: 12m

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 652d 713d 17/22 fixed on 2020/04/15 17:19
upstream unregister_netdevice: waiting for DEV to become free C 170521 1268d 1379d 9/22 fixed on 2018/08/08 18:10
linux-4.14 unregister_netdevice: waiting for DEV to become free C done 120 574d 1013d 1/1 fixed on 2020/08/02 06:53
android-49 unregister_netdevice: waiting for DEV to become free C 52164 795d 1022d 0/3 public: reported C repro on 2019/04/11 08:44
android-44 unregister_netdevice: waiting for DEV to become free C 4307 857d 1022d 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 81558 now 532d 0/1 upstream: reported C repro on 2020/08/13 09:52
android-414 unregister_netdevice: waiting for DEV to become free 1231 798d 1020d 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 323d 526d 21/22 fixed on 2021/03/10 01:48
upstream unregister_netdevice: waiting for DEV to become free (2) C done 385621 713d 1261d 16/22 fixed on 2020/02/14 01:19
linux-4.19 unregister_netdevice: waiting for DEV to become free C 4258 1h14m 1023d 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 78d 323d 22/22 fixed on 2021/11/10 00:50

Sample crash report:

Crashes (10858):
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 2022/01/27 18:26 upstream 626b2dda7651 64a8e201 .config log report info unregister_netdevice: waiting for DEV to become free
ci-qemu-upstream 2022/01/27 15:20 upstream 626b2dda7651 2cbffd88 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-kasan-gce-root 2022/01/26 18:15 upstream 0280e3c58f92 2cbffd88 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-kasan-gce-smack-root 2022/01/25 23:57 upstream 0280e3c58f92 2cbffd88 .config log report info unregister_netdevice: waiting for DEV to become free
ci-qemu-upstream 2022/01/25 21:51 upstream 0280e3c58f92 2cbffd88 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-kasan-gce-root 2022/01/25 11:23 upstream a08b41ab9e2e 2cbffd88 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-kasan-gce-smack-root 2022/01/25 10:22 upstream a08b41ab9e2e 2cbffd88 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-kasan-gce-smack-root 2022/01/25 09:21 upstream a08b41ab9e2e 2cbffd88 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-kasan-gce 2022/01/25 05:13 upstream dd81e1c7d5fb 2cbffd88 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-kasan-gce-smack-root 2022/01/24 23:06 upstream dd81e1c7d5fb 2cbffd88 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-kasan-gce-selinux-root 2022/01/24 21:27 upstream dd81e1c7d5fb 2cbffd88 .config log report info unregister_netdevice: waiting for DEV to become free
ci-qemu-upstream-386 2022/01/27 20:35 upstream 626b2dda7651 64a8e201 .config log report info unregister_netdevice: waiting for DEV to become free
ci-qemu2-arm32 2022/01/26 14:25 upstream 0280e3c58f92 2cbffd88 .config log report info unregister_netdevice: waiting for DEV to become free
ci-qemu-upstream-386 2022/01/24 19:23 upstream dd81e1c7d5fb 2cbffd88 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-kasan-gce-386 2022/01/20 12:32 upstream fa2e1ba3e9e3 5da9499f .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-this-kasan-gce 2022/01/27 17:05 net c7ec845f0eaf 64a8e201 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-this-kasan-gce 2022/01/27 13:47 net c7ec845f0eaf 2cbffd88 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-this-kasan-gce 2022/01/27 10:39 net 2f6513284347 2cbffd88 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-this-kasan-gce 2022/01/27 09:12 net 2f6513284347 2cbffd88 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-this-kasan-gce 2022/01/26 22:21 net 429c3be8a5e2 2cbffd88 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-this-kasan-gce 2022/01/26 16:47 net 429c3be8a5e2 2cbffd88 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-this-kasan-gce 2022/01/26 11:28 net 429c3be8a5e2 2cbffd88 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-this-kasan-gce 2022/01/26 10:18 net 429c3be8a5e2 2cbffd88 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-bpf-kasan-gce 2022/01/26 05:42 bpf e2bcbd7769ee 2cbffd88 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-this-kasan-gce 2022/01/25 19:46 net e52984be9a52 2cbffd88 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-this-kasan-gce 2022/01/25 15:43 net e52984be9a52 2cbffd88 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-this-kasan-gce 2022/01/25 13:49 net e52984be9a52 2cbffd88 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-this-kasan-gce 2022/01/25 12:47 net e52984be9a52 2cbffd88 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-this-kasan-gce 2022/01/25 11:31 net e52984be9a52 2cbffd88 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-this-kasan-gce 2022/01/25 07:58 net e52984be9a52 2cbffd88 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-this-kasan-gce 2022/01/25 06:57 net c0bf3d8a943b 2cbffd88 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2022/01/27 16:37 net-next fbb8295248e1 64a8e201 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2022/01/27 13:29 net-next fbb8295248e1 2cbffd88 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2022/01/27 12:16 net-next 40cd4f1550d0 2cbffd88 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2022/01/27 06:41 net-next 40cd4f1550d0 2cbffd88 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2022/01/27 05:10 net-next 40cd4f1550d0 2cbffd88 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2022/01/27 00:35 net-next 40cd4f1550d0 2cbffd88 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2022/01/26 23:43 net-next 40cd4f1550d0 2cbffd88 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2022/01/26 20:52 net-next ab14f1802cfb 2cbffd88 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2022/01/26 15:27 net-next ab14f1802cfb 2cbffd88 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2022/01/26 13:25 net-next ab14f1802cfb 2cbffd88 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2022/01/26 09:30 net-next 6b0671a23dd6 2cbffd88 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2022/01/26 07:05 net-next 6b0671a23dd6 2cbffd88 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2022/01/26 03:45 net-next 6b0671a23dd6 2cbffd88 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2022/01/26 02:32 net-next 6b0671a23dd6 2cbffd88 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2022/01/26 01:30 net-next 6b0671a23dd6 2cbffd88 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2022/01/26 00:12 net-next 6b0671a23dd6 2cbffd88 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2022/01/25 20:49 net-next 53243d412ec5 2cbffd88 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2022/01/25 19:24 net-next 53243d412ec5 2cbffd88 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2022/01/25 03:56 net-next de8a820df2ac 2cbffd88 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2022/01/25 01:43 net-next de8a820df2ac 2cbffd88 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-bpf-next-kasan-gce 2022/01/23 00:47 bpf-next a9921ce1cae5 214351e1 .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 2022/01/27 19:29 linux-next 0eb96e2c58c0 64a8e201 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-linux-next-kasan-gce-root 2022/01/27 07:57 linux-next 0eb96e2c58c0 2cbffd88 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-linux-next-kasan-gce-root 2022/01/26 19:34 linux-next 74e5dee6a5b9 2cbffd88 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-linux-next-kasan-gce-root 2022/01/26 08:24 linux-next 74e5dee6a5b9 2cbffd88 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-linux-next-kasan-gce-root 2022/01/25 17:41 linux-next 74e5dee6a5b9 2cbffd88 .config log report info unregister_netdevice: waiting for DEV to become free
ci-qemu2-riscv64 2021/12/28 08:10 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes 64a19591a293 6b3c5e64 .config log report info unregister_netdevice: waiting for DEV to become free