syzbot


unregister_netdevice: waiting for DEV to become free

Status: upstream: reported C repro on 2023/03/07 22:57
Bug presence: origin:upstream
Labels: missing-backport
[Documentation on labels]
Reported-by: syzbot+d3736679164e26746ec2@syzkaller.appspotmail.com
First crash: 824d, last: 43m
Bug presence (3)
Date Name Commit Repro Result
2025/04/26 linux-5.15.y (ToT) f7347f400572 C [report] unregister_netdevice: waiting for DEV to become free
2024/01/26 upstream (ToT) ecb1b8288dc7 C [report] unregister_netdevice: waiting for DEV to become free
2025/04/26 upstream (ToT) f1a3944c860b C Didn't crash
Similar bugs (15)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream unregister_netdevice: waiting for DEV to become free (3) C 1864 1880d 1942d 15/28 fixed on 2020/04/15 17:19
upstream unregister_netdevice: waiting for DEV to become free (6) C error 13128 1188d 1307d 20/28 fixed on 2022/03/08 16:11
upstream unregister_netdevice: waiting for DEV to become free C 170521 2496d 2607d 8/28 fixed on 2018/08/08 18:10
linux-4.14 unregister_netdevice: waiting for DEV to become free C done 120 1803d 2242d 1/1 fixed on 2020/08/02 06:53
android-49 unregister_netdevice: waiting for DEV to become free C 52164 2024d 2251d 0/3 public: reported C repro on 2019/04/11 08:44
android-44 unregister_netdevice: waiting for DEV to become free C 4307 2085d 2251d 0/2 public: reported C repro on 2019/04/11 08:44
linux-4.14 unregister_netdevice: waiting for DEV to become free (2) fat hfsplus bfs vfs gfs2 udf xfs reiserfs sysv btrfs f2fs C 651522 825d 1761d 0/1 upstream: reported C repro on 2020/08/13 09:52
android-414 unregister_netdevice: waiting for DEV to become free 1231 2027d 2249d 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 1552d 1754d 19/28 fixed on 2021/03/10 01:48
linux-6.1 unregister_netdevice: waiting for DEV to become free origin:upstream missing-backport C inconclusive 2431 1h49m 824d 0/3 upstream: reported C repro on 2023/03/07 18:05
upstream unregister_netdevice: waiting for DEV to become free (8) net C done 328630 now 730d 0/28 upstream: reported C repro on 2023/06/10 01:34
upstream unregister_netdevice: waiting for DEV to become free (2) C done 385621 1942d 2489d 15/28 fixed on 2020/02/14 01:19
linux-4.19 unregister_netdevice: waiting for DEV to become free C 5316 825d 2251d 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 1307d 1552d 20/28 fixed on 2021/11/10 00:50
upstream unregister_netdevice: waiting for DEV to become free (7) C inconclusive 20422 732d 933d 22/28 fixed on 2023/06/08 14:41

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

Crashes (7493):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/05/12 03:21 linux-5.15.y 3b8db0e4f263 77908e5f .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf unregister_netdevice: waiting for DEV to become free
2025/05/11 20:01 linux-5.15.y 3b8db0e4f263 77908e5f .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf unregister_netdevice: waiting for DEV to become free
2025/05/11 06:47 linux-5.15.y 3b8db0e4f263 77908e5f .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf unregister_netdevice: waiting for DEV to become free
2025/04/24 16:34 linux-5.15.y f7347f400572 9882047a .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf unregister_netdevice: waiting for DEV to become free
2025/04/15 05:27 linux-5.15.y f7347f400572 0bd6db41 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan unregister_netdevice: waiting for DEV to become free
2025/03/05 05:07 linux-5.15.y c16c81c81336 c3901742 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan unregister_netdevice: waiting for DEV to become free
2024/01/26 13:51 linux-5.15.y 6139f2a02fe0 cc4a4020 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf unregister_netdevice: waiting for DEV to become free
2023/06/04 07:01 linux-5.15.y 0ab06468cbd1 a4ae4f42 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/02/16 21:13 linux-5.15.y c16c81c81336 40a34ec9 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan unregister_netdevice: waiting for DEV to become free
2025/06/08 21:37 linux-5.15.y 1c700860e8bc 4826c28e .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/06/07 12:46 linux-5.15.y 1c700860e8bc 4826c28e .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/06/05 07:59 linux-5.15.y 1c700860e8bc 6b6b5f21 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/06/01 19:15 linux-5.15.y 98f47d0e9b8c 3d2f584d .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/05/31 10:29 linux-5.15.y 98f47d0e9b8c 3d2f584d .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/05/29 07:05 linux-5.15.y 98f47d0e9b8c 3d2f584d .config console log report syz / log [disk image] [vmlinux] [kernel image] [mounted in repro (clean fs)] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/05/27 00:29 linux-5.15.y 98f47d0e9b8c 874a1386 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/05/25 13:38 linux-5.15.y 98f47d0e9b8c ed351ea7 .config console log report syz / log [disk image] [vmlinux] [kernel image] [mounted in repro #1] [mounted in repro #2] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/05/25 02:28 linux-5.15.y 98f47d0e9b8c ed351ea7 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/05/21 00:08 linux-5.15.y a68c15152131 b47f9e02 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/05/17 10:52 linux-5.15.y 3b8db0e4f263 f41472b0 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/05/15 10:21 linux-5.15.y 3b8db0e4f263 d6b2ee52 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/05/10 01:08 linux-5.15.y 3b8db0e4f263 77908e5f .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/05/07 08:50 linux-5.15.y 16fdf2c7111b 350f4ffc .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/05/06 13:15 linux-5.15.y 16fdf2c7111b ae98e6b9 .config console log report syz / log [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/05/04 10:46 linux-5.15.y 16fdf2c7111b b0714e37 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/04/22 16:07 linux-5.15.y f7347f400572 2a20f901 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/04/14 03:04 linux-5.15.y f7347f400572 0bd6db41 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/04/13 17:42 linux-5.15.y f7347f400572 0bd6db41 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/04/13 07:43 linux-5.15.y f7347f400572 0bd6db41 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/04/09 07:08 linux-5.15.y 0c935c049b5c a775275d .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/04/06 20:23 linux-5.15.y 0c935c049b5c 1c65791e .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/03/31 10:55 linux-5.15.y 0c935c049b5c d3999433 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/03/29 00:09 linux-5.15.y 0c935c049b5c 9a1a9e31 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/03/22 14:57 linux-5.15.y 0c935c049b5c c6512ef7 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/03/20 01:16 linux-5.15.y 0c935c049b5c e20d7b13 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/03/18 07:59 linux-5.15.y 0c935c049b5c ce3352cd .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/03/16 15:17 linux-5.15.y 0c935c049b5c e2826670 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/03/04 10:40 linux-5.15.y c16c81c81336 c3901742 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/02/22 08:49 linux-5.15.y c16c81c81336 d34966d1 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/02/20 13:45 linux-5.15.y c16c81c81336 50668798 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/02/17 07:32 linux-5.15.y c16c81c81336 40a34ec9 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/02/16 10:15 linux-5.15.y c16c81c81336 40a34ec9 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/02/14 12:10 linux-5.15.y c16c81c81336 d9a046cf .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/06/09 02:20 linux-5.15.y 1c700860e8bc 4826c28e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan unregister_netdevice: waiting for DEV to become free
2025/06/08 08:34 linux-5.15.y 1c700860e8bc 4826c28e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan unregister_netdevice: waiting for DEV to become free
2025/06/06 06:17 linux-5.15.y 1c700860e8bc 6b6b5f21 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan unregister_netdevice: waiting for DEV to become free
2025/06/06 04:22 linux-5.15.y 1c700860e8bc 6b6b5f21 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan unregister_netdevice: waiting for DEV to become free
2025/06/05 22:53 linux-5.15.y 1c700860e8bc 6b6b5f21 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan unregister_netdevice: waiting for DEV to become free
2025/06/05 20:41 linux-5.15.y 1c700860e8bc 6b6b5f21 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan unregister_netdevice: waiting for DEV to become free
2025/06/05 07:54 linux-5.15.y 1c700860e8bc 6b6b5f21 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan unregister_netdevice: waiting for DEV to become free
2025/06/09 10:30 linux-5.15.y 1c700860e8bc 4826c28e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/06/09 09:14 linux-5.15.y 1c700860e8bc 4826c28e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/06/09 07:19 linux-5.15.y 1c700860e8bc 4826c28e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/06/09 06:07 linux-5.15.y 1c700860e8bc 4826c28e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/06/09 03:54 linux-5.15.y 1c700860e8bc 4826c28e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/06/09 01:41 linux-5.15.y 1c700860e8bc 4826c28e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/06/08 19:35 linux-5.15.y 1c700860e8bc 4826c28e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/06/08 14:57 linux-5.15.y 1c700860e8bc 4826c28e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/06/08 07:11 linux-5.15.y 1c700860e8bc 4826c28e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/06/08 05:44 linux-5.15.y 1c700860e8bc 4826c28e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/06/08 04:06 linux-5.15.y 1c700860e8bc 4826c28e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/06/08 03:46 linux-5.15.y 1c700860e8bc 4826c28e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/06/08 02:24 linux-5.15.y 1c700860e8bc 4826c28e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/06/08 00:29 linux-5.15.y 1c700860e8bc 4826c28e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/06/07 22:32 linux-5.15.y 1c700860e8bc 4826c28e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/06/07 21:13 linux-5.15.y 1c700860e8bc 4826c28e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/06/07 18:52 linux-5.15.y 1c700860e8bc 4826c28e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/06/07 17:04 linux-5.15.y 1c700860e8bc 4826c28e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/06/07 15:47 linux-5.15.y 1c700860e8bc 4826c28e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/06/07 08:33 linux-5.15.y 1c700860e8bc 4826c28e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/06/07 08:13 linux-5.15.y 1c700860e8bc 4826c28e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/06/06 23:43 linux-5.15.y 1c700860e8bc 9fa58bba .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/06/06 20:33 linux-5.15.y 1c700860e8bc 9fa58bba .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/06/06 18:40 linux-5.15.y 1c700860e8bc 9fa58bba .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/06/06 15:45 linux-5.15.y 1c700860e8bc 9fa58bba .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/06/06 13:57 linux-5.15.y 1c700860e8bc 9fa58bba .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/06/06 09:11 linux-5.15.y 1c700860e8bc 6b6b5f21 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/06/06 03:22 linux-5.15.y 1c700860e8bc 6b6b5f21 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/06/06 02:57 linux-5.15.y 1c700860e8bc 6b6b5f21 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/06/06 01:33 linux-5.15.y 1c700860e8bc 6b6b5f21 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/06/05 17:58 linux-5.15.y 1c700860e8bc 6b6b5f21 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/06/05 11:22 linux-5.15.y 1c700860e8bc 6b6b5f21 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/06/05 05:58 linux-5.15.y 1c700860e8bc 6b6b5f21 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/06/05 03:03 linux-5.15.y 1c700860e8bc 6b6b5f21 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/06/04 23:26 linux-5.15.y 1c700860e8bc 6b6b5f21 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/06/04 22:03 linux-5.15.y 1c700860e8bc e565f08d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2025/06/04 19:42 linux-5.15.y 1c700860e8bc e565f08d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 unregister_netdevice: waiting for DEV to become free
2023/03/07 22:56 linux-5.15.y d9b4a0c83a2d d7ea8bc4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan unregister_netdevice: waiting for DEV to become free
* Struck through repros no longer work on HEAD.