syzbot


unregister_netdevice: waiting for DEV to become free (7)

Status: upstream: reported C repro on 2022/11/18 11:39
Reported-by: syzbot+5e70d01ee8985ae62a3b@syzkaller.appspotmail.com
First crash: 265d, last: 19m

Cause bisection: the issue happens on the oldest tested release (bisect log)
Crash: unregister_netdevice: waiting for DEV to become free (log)
Repro: C syz .config
similar bugs (12):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream unregister_netdevice: waiting for DEV to become free (3) C 1864 957d 1019d 17/24 fixed on 2020/04/15 17:19
upstream unregister_netdevice: waiting for DEV to become free (6) C error 13128 265d 384d 22/24 fixed on 2022/03/08 16:11
upstream unregister_netdevice: waiting for DEV to become free C 170521 1573d 1684d 9/24 fixed on 2018/08/08 18:10
linux-4.14 unregister_netdevice: waiting for DEV to become free C done 120 880d 1319d 1/1 fixed on 2020/08/02 06:53
android-49 unregister_netdevice: waiting for DEV to become free C 52164 1101d 1328d 0/3 public: reported C repro on 2019/04/11 08:44
android-44 unregister_netdevice: waiting for DEV to become free C 4307 1162d 1328d 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 518494 now 838d 0/1 upstream: reported C repro on 2020/08/13 09:52
android-414 unregister_netdevice: waiting for DEV to become free 1231 1104d 1326d 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 629d 831d 21/24 fixed on 2021/03/10 01:48
upstream unregister_netdevice: waiting for DEV to become free (2) C done 385621 1019d 1566d 16/24 fixed on 2020/02/14 01:19
linux-4.19 unregister_netdevice: waiting for DEV to become free C 5253 1d12h 1328d 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 384d 629d 22/24 fixed on 2021/11/10 00:50

Sample crash report:
unregister_netdevice: waiting for vlan0 to become free. Usage count = 2

Crashes (11665):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-selinux-root 2022/09/08 22:59 upstream 26b1224903b3 f3027468 .config log report syz C unregister_netdevice: waiting for DEV to become free
ci-upstream-kasan-gce-smack-root 2022/08/14 02:24 upstream 7ebfc85e2cd7 8dfcaa3d .config log report syz C unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2022/04/22 03:14 net-next 9c8774e629a1 2738b391 .config log report syz C unregister_netdevice: waiting for DEV to become free
ci-upstream-linux-next-kasan-gce-root 2022/07/31 22:03 linux-next cb71b93c2dc3 fef302b1 .config log report syz C unregister_netdevice: waiting for DEV to become free
ci-upstream-kasan-gce-selinux-root 2022/11/29 09:15 upstream ca57f02295f1 ca9683b8 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-kasan-gce-root 2022/11/29 05:42 upstream ca57f02295f1 ca9683b8 .config log report info unregister_netdevice: waiting for DEV to become free
ci-qemu-upstream 2022/11/29 03:26 upstream b7b275e60bcd ca9683b8 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-kasan-gce-selinux-root 2022/11/29 00:42 upstream b7b275e60bcd ca9683b8 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-kasan-gce-root 2022/11/28 18:03 upstream b7b275e60bcd 247de55b .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-kasan-gce-smack-root 2022/11/28 15:55 upstream b7b275e60bcd 247de55b .config log report info unregister_netdevice: waiting for DEV to become free
ci-qemu-upstream 2022/11/28 11:00 upstream b7b275e60bcd 950c3e02 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-kasan-gce-smack-root 2022/11/28 07:30 upstream bf82d38c91f8 74a66371 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-kasan-gce-selinux-root 2022/11/28 04:35 upstream bf82d38c91f8 74a66371 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-kasan-gce-smack-root 2022/11/28 03:30 upstream bf82d38c91f8 74a66371 .config log report info unregister_netdevice: waiting for DEV to become free
ci-qemu-upstream 2022/11/28 00:18 upstream bf82d38c91f8 f4470a7b .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-kasan-gce-selinux-root 2022/11/27 10:28 upstream faf68e3523c2 74a66371 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-kasan-gce-smack-root 2022/11/27 06:52 upstream faf68e3523c2 74a66371 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-kasan-gce-selinux-root 2022/11/26 22:08 upstream 644e9524388a 74a66371 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-kasan-gce-smack-root 2022/11/26 20:30 upstream 644e9524388a 74a66371 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-kasan-gce-selinux-root 2022/11/26 19:18 upstream 644e9524388a 74a66371 .config log report info unregister_netdevice: waiting for DEV to become free
ci-qemu-upstream 2022/11/26 14:31 upstream 644e9524388a f4470a7b .config log report info unregister_netdevice: waiting for DEV to become free
ci-qemu-upstream 2022/11/26 10:45 upstream 0b1dcc2cf55a f4470a7b .config log report info unregister_netdevice: waiting for DEV to become free
ci-qemu-upstream 2022/11/26 03:44 upstream 0b1dcc2cf55a f4470a7b .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-kasan-gce-smack-root 2022/11/26 01:46 upstream 0b1dcc2cf55a 74a66371 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-kasan-gce-selinux-root 2022/11/26 00:22 upstream 0b1dcc2cf55a 74a66371 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-kasan-gce 2022/11/13 20:37 upstream af7a05689189 3ead01ad .config log report info unregister_netdevice: waiting for DEV to become free
ci-qemu-upstream-386 2022/11/29 11:07 upstream ca57f02295f1 05dc7993 .config log report info unregister_netdevice: waiting for DEV to become free
ci-qemu-upstream-386 2022/11/27 22:44 upstream bf82d38c91f8 f4470a7b .config log report info unregister_netdevice: waiting for DEV to become free
ci-qemu-upstream-386 2022/11/27 21:23 upstream bf82d38c91f8 f4470a7b .config log report info unregister_netdevice: waiting for DEV to become free
ci-qemu-upstream-386 2022/11/26 19:29 upstream 644e9524388a f4470a7b .config log report info unregister_netdevice: waiting for DEV to become free
ci-qemu-upstream-386 2022/11/26 08:17 upstream 0b1dcc2cf55a f4470a7b .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-kasan-gce-386 2022/10/14 17:45 upstream 55be6084c8e0 4954e4b2 .config log report info unregister_netdevice: waiting for DEV to become free
ci-qemu2-arm64 2022/09/11 15:37 upstream b96fbd602d35 356d8217 .config log report info unregister_netdevice: waiting for DEV to become free
ci-qemu2-arm32 2022/03/17 10:15 upstream 56e337f2cf13 dfa9a8ed .config log report info unregister_netdevice: waiting for DEV to become free
ci-qemu-upstream-386 2022/03/08 16:16 upstream ea4424be1688 9e8eaa75 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-this-kasan-gce 2022/11/28 14:40 net f2fc2280faab 247de55b .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-this-kasan-gce 2022/11/28 02:04 net 369eb2c9f1f7 74a66371 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-this-kasan-gce 2022/11/27 14:33 net 31d929de5a11 74a66371 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-this-kasan-gce 2022/11/27 10:14 net 31d929de5a11 74a66371 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-this-kasan-gce 2022/11/27 08:39 net 31d929de5a11 74a66371 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2022/11/29 03:04 net-next c672e3727989 ca9683b8 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2022/11/28 23:23 net-next a66d79ee0bd5 247de55b .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2022/11/28 21:45 net-next a66d79ee0bd5 247de55b .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2022/11/28 20:26 net-next a66d79ee0bd5 247de55b .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2022/11/28 13:37 net-next a66d79ee0bd5 247de55b .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2022/11/28 06:09 net-next a6e3d86ece0b 74a66371 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2022/11/28 01:31 net-next a6e3d86ece0b 74a66371 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2022/11/27 18:52 net-next a6e3d86ece0b 74a66371 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2022/11/27 11:55 net-next a6e3d86ece0b 74a66371 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2022/11/27 01:40 net-next a6e3d86ece0b 74a66371 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2022/11/26 05:26 net-next a6e3d86ece0b 74a66371 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-net-kasan-gce 2022/11/25 22:37 net-next a6e3d86ece0b 74a66371 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-linux-next-kasan-gce-root 2022/11/29 04:33 linux-next 9e46a7996732 ca9683b8 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-linux-next-kasan-gce-root 2022/11/29 01:58 linux-next 9e46a7996732 ca9683b8 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-linux-next-kasan-gce-root 2022/11/28 16:59 linux-next 9e46a7996732 247de55b .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-linux-next-kasan-gce-root 2022/11/27 16:26 linux-next 9e46a7996732 74a66371 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-linux-next-kasan-gce-root 2022/11/25 21:23 linux-next 9e46a7996732 74a66371 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-gce-arm64 2022/11/29 09:06 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 6d464646530f ca9683b8 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-gce-arm64 2022/11/29 07:13 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 6d464646530f ca9683b8 .config log report info unregister_netdevice: waiting for DEV to become free
ci-upstream-gce-arm64 2022/11/27 05:47 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 6d464646530f 74a66371 .config log report info unregister_netdevice: waiting for DEV to become free
ci-qemu2-riscv64 2022/11/27 04:22 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes 0966d385830d f4470a7b .config log report info unregister_netdevice: waiting for DEV to become free
* Struck through repros no longer work on HEAD.