syzbot


WARNING in default_device_exit_batch

Status: auto-closed as invalid on 2021/09/07 10:06
Reported-by: syzbot+20ae47299fd039d41635@syzkaller.appspotmail.com
First crash: 712d, last: 410d
similar bugs (4):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in default_device_exit_batch (2) 1466 121d 717d 0/22 auto-closed as invalid on 2022/04/24 02:35
upstream WARNING in default_device_exit_batch 2 844d 876d 0/22 auto-closed as invalid on 2020/06/30 07:06
linux-4.19 WARNING in default_device_exit_batch 467 173d 715d 0/1 auto-closed as invalid on 2022/04/28 08:15
linux-4.19 WARNING in default_device_exit_batch (2) syz 9 18d 40d 0/1 upstream: reported syz repro on 2022/05/15 20:01

Sample crash report:
device veth1_vlan left promiscuous mode
device veth0_vlan left promiscuous mode
bond3 (unregistering): Released all slaves
bond2 (unregistering): Released all slaves
------------[ cut here ]------------
WARNING: CPU: 1 PID: 234 at net/core/dev.c:7223 rollback_registered_many+0x959/0xba0 net/core/dev.c:7223
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 234 Comm: kworker/u4:4 Not tainted 4.14.232-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: netns cleanup_net
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 panic+0x1f9/0x42d kernel/panic.c:183
 __warn.cold+0x20/0x44 kernel/panic.c:547
 report_bug+0x208/0x250 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:177 [inline]
 fixup_bug arch/x86/kernel/traps.c:172 [inline]
 do_error_trap+0x195/0x2d0 arch/x86/kernel/traps.c:295
 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:964
RIP: 0010:rollback_registered_many+0x959/0xba0 net/core/dev.c:7223
RSP: 0018:ffff8880b4cc7aa8 EFLAGS: 00010297
RAX: ffff8880b4cb4300 RBX: ffff88803a8f4940 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8880b4cb4c00 RDI: 0000000000000000
RBP: ffff8880b4cc7bc8 R08: ffffffff89d180c0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000
R13: ffff8880b4cc7ae0 R14: ffff88803a8f49f0 R15: ffffffff83cb7f60
 unregister_netdevice_many.part.0+0x18/0x2e0 net/core/dev.c:8285
 unregister_netdevice_many net/core/dev.c:8284 [inline]
 default_device_exit_batch+0x2d8/0x380 net/core/dev.c:8746
 ops_exit_list+0xf9/0x150 net/core/net_namespace.c:145
 cleanup_net+0x3b3/0x840 net/core/net_namespace.c:484
 process_one_work+0x793/0x14a0 kernel/workqueue.c:2116
 worker_thread+0x5cc/0xff0 kernel/workqueue.c:2250
 kthread+0x30d/0x420 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
Kernel Offset: disabled
Rebooting in 86400 seconds..

Crashes (67):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-14 2021/05/10 10:06 linux-4.14.y 7d7d1c0ab3eb bc5434be .config log report info WARNING in default_device_exit_batch
ci2-linux-4-14 2021/05/09 23:56 linux-4.14.y 7d7d1c0ab3eb bc5434be .config log report info WARNING in default_device_exit_batch
ci2-linux-4-14 2021/05/07 07:46 linux-4.14.y 7d7d1c0ab3eb 06585184 .config log report info WARNING in default_device_exit_batch
ci2-linux-4-14 2021/05/06 05:46 linux-4.14.y 7d7d1c0ab3eb 06c27ff5 .config log report info WARNING in default_device_exit_batch
ci2-linux-4-14 2021/05/01 14:20 linux-4.14.y 7d7d1c0ab3eb 77e2b668 .config log report info WARNING in default_device_exit_batch
ci2-linux-4-14 2021/05/01 11:24 linux-4.14.y 7d7d1c0ab3eb 77e2b668 .config log report info WARNING in default_device_exit_batch
ci2-linux-4-14 2021/04/28 05:45 linux-4.14.y cf256fbcbe34 77e2b668 .config log report info WARNING in default_device_exit_batch
ci2-linux-4-14 2021/04/26 09:36 linux-4.14.y cf256fbcbe34 e60b7df1 .config log report info WARNING in default_device_exit_batch
ci2-linux-4-14 2021/04/26 03:23 linux-4.14.y cf256fbcbe34 2a82f1b3 .config log report info WARNING in default_device_exit_batch
ci2-linux-4-14 2021/04/25 13:55 linux-4.14.y cf256fbcbe34 36c88236 .config log report info WARNING in default_device_exit_batch
ci2-linux-4-14 2021/04/25 07:18 linux-4.14.y cf256fbcbe34 36c88236 .config log report info WARNING in default_device_exit_batch
ci2-linux-4-14 2021/04/24 12:18 linux-4.14.y cf256fbcbe34 17f0b706 .config log report info WARNING in default_device_exit_batch
ci2-linux-4-14 2021/04/24 06:23 linux-4.14.y cf256fbcbe34 17f0b706 .config log report info WARNING in default_device_exit_batch
ci2-linux-4-14 2021/04/24 04:05 linux-4.14.y cf256fbcbe34 17f0b706 .config log report info WARNING in default_device_exit_batch
ci2-linux-4-14 2021/04/24 00:21 linux-4.14.y cf256fbcbe34 17f0b706 .config log report info WARNING in default_device_exit_batch
ci2-linux-4-14 2021/04/23 21:32 linux-4.14.y cf256fbcbe34 17f0b706 .config log report info WARNING in default_device_exit_batch
ci2-linux-4-14 2021/04/23 13:19 linux-4.14.y cf256fbcbe34 17f0b706 .config log report info WARNING in default_device_exit_batch
ci2-linux-4-14 2021/04/23 08:15 linux-4.14.y cf256fbcbe34 590921a5 .config log report info WARNING in default_device_exit_batch
ci2-linux-4-14 2021/04/22 00:03 linux-4.14.y cf256fbcbe34 2bc8999a .config log report info WARNING in default_device_exit_batch
ci2-linux-4-14 2021/04/12 19:52 linux-4.14.y 958e517f4e16 6a81331a .config log report info WARNING in default_device_exit_batch
ci2-linux-4-14 2021/04/08 11:05 linux-4.14.y 0cc244011f40 6a81331a .config log report info WARNING in default_device_exit_batch
ci2-linux-4-14 2021/04/08 02:42 linux-4.14.y 0cc244011f40 6a81331a .config log report info WARNING in default_device_exit_batch
ci2-linux-4-14 2021/04/07 12:29 linux-4.14.y 0cc244011f40 6a81331a .config log report info WARNING in default_device_exit_batch
ci2-linux-4-14 2021/04/07 08:29 linux-4.14.y bd634aa64163 6a81331a .config log report info WARNING in default_device_exit_batch
ci2-linux-4-14 2021/04/04 10:04 linux-4.14.y bd634aa64163 6a81331a .config log report info WARNING in default_device_exit_batch
ci2-linux-4-14 2021/03/30 14:08 linux-4.14.y bd634aa64163 6a81331a .config log report info WARNING in default_device_exit_batch
ci2-linux-4-14 2021/03/29 20:48 linux-4.14.y 670d6552eda8 6a81331a .config log report info WARNING in default_device_exit_batch
ci2-linux-4-14 2021/01/10 07:01 linux-4.14.y ec822b3e8bf4 2c1f2513 .config log report info
ci2-linux-4-14 2021/01/05 05:16 linux-4.14.y 1752938529c6 2a28ff1f .config log report info
ci2-linux-4-14 2021/01/04 19:17 linux-4.14.y 1752938529c6 79264ae3 .config log report info
ci2-linux-4-14 2021/01/04 13:23 linux-4.14.y 1752938529c6 79264ae3 .config log report info
ci2-linux-4-14 2021/01/03 18:47 linux-4.14.y 1752938529c6 79264ae3 .config log report info
ci2-linux-4-14 2021/01/03 06:58 linux-4.14.y 1752938529c6 79264ae3 .config log report info
ci2-linux-4-14 2021/01/02 13:38 linux-4.14.y 1752938529c6 79264ae3 .config log report info
ci2-linux-4-14 2020/12/31 14:20 linux-4.14.y 1752938529c6 79264ae3 .config log report info
ci2-linux-4-14 2020/12/29 12:51 linux-4.14.y 3f2ecb86cb90 8259d56c .config log report info
ci2-linux-4-14 2020/12/29 11:15 linux-4.14.y 3f2ecb86cb90 8259d56c .config log report info
ci2-linux-4-14 2020/12/29 03:40 linux-4.14.y 3f2ecb86cb90 8259d56c .config log report info
ci2-linux-4-14 2020/12/27 15:02 linux-4.14.y 3f2ecb86cb90 2242f77f .config log report info
ci2-linux-4-14 2020/12/25 09:31 linux-4.14.y 3f2ecb86cb90 b982b3ea .config log report info
ci2-linux-4-14 2020/12/25 07:07 linux-4.14.y 3f2ecb86cb90 c2c1d1dd .config log report info
ci2-linux-4-14 2020/12/24 05:09 linux-4.14.y 3f2ecb86cb90 c2c1d1dd .config log report info
ci2-linux-4-14 2020/12/18 02:30 linux-4.14.y 3f2ecb86cb90 04201c06 .config log report info
ci2-linux-4-14 2020/12/09 10:01 linux-4.14.y 47cbf4cc32db 99917735 .config log report info
ci2-linux-4-14 2020/12/09 03:01 linux-4.14.y 47cbf4cc32db 40cc414d .config log report info
ci2-linux-4-14 2020/12/07 20:25 linux-4.14.y c196b3a9c83a 51a9082e .config log report info
ci2-linux-4-14 2020/12/06 20:42 linux-4.14.y c196b3a9c83a c521566d .config log report info
ci2-linux-4-14 2020/12/06 17:26 linux-4.14.y c196b3a9c83a f12ba0c5 .config log report info
ci2-linux-4-14 2020/12/06 07:52 linux-4.14.y c196b3a9c83a f12ba0c5 .config log report info
ci2-linux-4-14 2020/12/05 07:37 linux-4.14.y c196b3a9c83a 0ef84591 .config log report info
ci2-linux-4-14 2020/12/05 01:59 linux-4.14.y c196b3a9c83a 20366b87 .config log report info
ci2-linux-4-14 2020/11/26 00:37 linux-4.14.y 87335852c5d9 3f581b43 .config log report info
ci2-linux-4-14 2020/10/08 10:03 linux-4.14.y cbfa1702aaf6 1880b4a9 .config log report info
ci2-linux-4-14 2020/10/06 01:24 linux-4.14.y cbfa1702aaf6 1880b4a9 .config log report info
ci2-linux-4-14 2020/09/28 18:03 linux-4.14.y cbfa1702aaf6 6bfdbe89 .config log report info
ci2-linux-4-14 2020/09/27 00:10 linux-4.14.y cbfa1702aaf6 5dd8aee8 .config log report info
ci2-linux-4-14 2020/09/26 11:53 linux-4.14.y cbfa1702aaf6 2d5ea0cb .config log report info
ci2-linux-4-14 2020/09/25 13:31 linux-4.14.y cbfa1702aaf6 4a006f63 .config log report info
ci2-linux-4-14 2020/09/23 08:09 linux-4.14.y cbfa1702aaf6 287cd75a .config log report info
ci2-linux-4-14 2020/09/22 04:53 linux-4.14.y cbfa1702aaf6 9e1fa68e .config log report info
ci2-linux-4-14 2020/09/21 09:02 linux-4.14.y cbfa1702aaf6 c81d99c8 .config log report info
ci2-linux-4-14 2020/09/08 10:51 linux-4.14.y 2f166cdcf8a9 abf9ba4f .config log report
ci2-linux-4-14 2020/09/04 10:06 linux-4.14.y 2f166cdcf8a9 abf9ba4f .config log report
ci2-linux-4-14 2020/08/17 23:42 linux-4.14.y 14b58326976d 5ce13532 .config log report
ci2-linux-4-14 2020/07/12 03:14 linux-4.14.y b850307b279c 7ba05d2d .config log report