syzbot

 sign-in | mailing list | source | docs
🐞 Open [712]
🐞 Fixed [297]
🐞 Invalid [838]
≡ Crashes
Kernel Health Bugs/Month Bug Lifetimes Fuzzing
💬 Send us feedback

WARNING in default_device_exit_batch

Status: auto-closed as invalid on 2022/04/28 08:15
Reported-by: syzbot+109977bd364b4f38b22f@syzkaller.appspotmail.com
First crash: 1596d, last: 1054d
▶ ▼ Similar bugs (8)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in default_device_exit_batch (3) net C inconclusive 599 737d 920d 0/28 closed as invalid on 2022/11/15 17:40
linux-4.14 WARNING in default_device_exit_batch 67 1291d 1593d 0/1 auto-closed as invalid on 2021/09/07 10:06
upstream WARNING in default_device_exit_batch (4) net C error 954 607d 734d 22/28 fixed on 2023/06/08 14:41
upstream WARNING in default_device_exit_batch (2) net 1466 1002d 1597d 0/28 auto-closed as invalid on 2022/04/24 02:35
upstream WARNING in default_device_exit_batch net 2 1725d 1757d 0/28 auto-closed as invalid on 2020/06/30 07:06
linux-4.19 WARNING in default_device_exit_batch (2) syz error 200 628d 920d 0/1 upstream: reported syz repro on 2022/05/15 20:01
linux-6.1 WARNING in default_device_exit_batch 2 610d 611d 0/3 auto-obsoleted due to no activity on 2023/07/19 17:51
linux-5.15 WARNING in default_device_exit_batch 1 615d 615d 0/3 auto-obsoleted due to no activity on 2023/07/15 14:46

Sample crash report:
bond3 (unregistering): Released all slaves
bond0 (unregistering): Releasing backup interface bond2
bond2 (unregistering): Released all slaves
bond1 (unregistering): Released all slaves
------------[ cut here ]------------
WARNING: CPU: 1 PID: 13586 at net/core/dev.c:8216 rollback_registered_many.cold+0x171/0x18f net/core/dev.c:8216
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 13586 Comm: kworker/u4:12 Not tainted 4.19.211-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:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 panic+0x26a/0x50e kernel/panic.c:186
 __warn.cold+0x20/0x5a kernel/panic.c:541
 report_bug+0x262/0x2b0 lib/bug.c:183
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 fixup_bug arch/x86/kernel/traps.c:173 [inline]
 do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038
RIP: 0010:rollback_registered_many.cold+0x171/0x18f net/core/dev.c:8216
Code: fe e8 95 d6 50 f9 48 c7 c7 c0 85 4c 89 e8 f4 07 e2 ff 0f 0b e9 2b fb 65 fe e8 7d d6 50 f9 48 c7 c7 c0 85 4c 89 e8 dc 07 e2 ff <0f> 0b e9 81 f9 65 fe 48 89 c7 48 89 44 24 08 e8 1d b6 86 f9 48 8b
RSP: 0018:ffff888044507988 EFLAGS: 00010282
RAX: 0000000000000024 RBX: ffff88804347d1c0 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff814dff01 RDI: ffffed10088a0f23
RBP: ffff888044507b60 R08: 0000000000000024 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000000 R12: dffffc0000000000
R13: 00000000ae8f5301 R14: ffffffff843ffad0 R15: ffff888044507a50
 unregister_netdevice_many.part.0+0x1a/0x300 net/core/dev.c:9324
 unregister_netdevice_many net/core/dev.c:9323 [inline]
 default_device_exit_batch+0x2fa/0x3c0 net/core/dev.c:9795
 ops_exit_list+0xf9/0x150 net/core/net_namespace.c:156
 cleanup_net+0x3b4/0x8b0 net/core/net_namespace.c:554
 process_one_work+0x864/0x1570 kernel/workqueue.c:2153
 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296
 kthread+0x33f/0x460 kernel/kthread.c:259
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
Kernel Offset: disabled
Rebooting in 86400 seconds..

Crashes (467):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2022/01/02 02:06 linux-4.19.y 3f8a27f9e27b e1768e9c .config console log report info ci2-linux-4-19 WARNING in default_device_exit_batch
2022/01/01 18:24 linux-4.19.y 3f8a27f9e27b e1768e9c .config console log report info ci2-linux-4-19 WARNING in default_device_exit_batch
2021/12/31 18:12 linux-4.19.y 3f8a27f9e27b 36bd2e48 .config console log report info ci2-linux-4-19 WARNING in default_device_exit_batch
2021/12/30 10:25 linux-4.19.y 3f8a27f9e27b 2e49f10d .config console log report info ci2-linux-4-19 WARNING in default_device_exit_batch
2021/12/29 23:52 linux-4.19.y 3f8a27f9e27b 6cc879d4 .config console log report info ci2-linux-4-19 WARNING in default_device_exit_batch
2021/12/29 17:18 linux-4.19.y 3f8a27f9e27b 6cc879d4 .config console log report info ci2-linux-4-19 WARNING in default_device_exit_batch
2021/12/29 14:22 linux-4.19.y 3f8a27f9e27b 6cc879d4 .config console log report info ci2-linux-4-19 WARNING in default_device_exit_batch
2021/12/29 13:09 linux-4.19.y 3f8a27f9e27b 6cc879d4 .config console log report info ci2-linux-4-19 WARNING in default_device_exit_batch
2021/12/29 07:02 linux-4.19.y 3f8a27f9e27b 76c8cf06 .config console log report info ci2-linux-4-19 WARNING in default_device_exit_batch
2021/12/29 02:53 linux-4.19.y 3f8a27f9e27b 76c8cf06 .config console log report info ci2-linux-4-19 WARNING in default_device_exit_batch
2021/12/28 18:53 linux-4.19.y 3f8a27f9e27b 76c8cf06 .config console log report info ci2-linux-4-19 WARNING in default_device_exit_batch
2021/12/28 17:44 linux-4.19.y 3f8a27f9e27b 76c8cf06 .config console log report info ci2-linux-4-19 WARNING in default_device_exit_batch
2021/12/28 15:34 linux-4.19.y 3f8a27f9e27b 6b3c5e64 .config console log report info ci2-linux-4-19 WARNING in default_device_exit_batch
2021/12/28 03:05 linux-4.19.y 3f8a27f9e27b 6b3c5e64 .config console log report info ci2-linux-4-19 WARNING in default_device_exit_batch
2021/12/28 01:36 linux-4.19.y 3f8a27f9e27b 6b3c5e64 .config console log report info ci2-linux-4-19 WARNING in default_device_exit_batch
2021/12/27 13:31 linux-4.19.y 3f8a27f9e27b 5140bd58 .config console log report info ci2-linux-4-19 WARNING in default_device_exit_batch
2021/12/27 09:28 linux-4.19.y 3f8a27f9e27b e4f103c4 .config console log report info ci2-linux-4-19 WARNING in default_device_exit_batch
2021/12/27 00:53 linux-4.19.y 3f8a27f9e27b e4f103c4 .config console log report info ci2-linux-4-19 WARNING in default_device_exit_batch
2021/12/26 17:27 linux-4.19.y 3f8a27f9e27b e4f103c4 .config console log report info ci2-linux-4-19 WARNING in default_device_exit_batch
2021/12/26 10:58 linux-4.19.y 3f8a27f9e27b e4f103c4 .config console log report info ci2-linux-4-19 WARNING in default_device_exit_batch
2021/12/26 08:22 linux-4.19.y 3f8a27f9e27b 6caa12e4 .config console log report info ci2-linux-4-19 WARNING in default_device_exit_batch
2021/12/25 22:02 linux-4.19.y 3f8a27f9e27b 6caa12e4 .config console log report info ci2-linux-4-19 WARNING in default_device_exit_batch
2021/12/25 16:58 linux-4.19.y 3f8a27f9e27b 6caa12e4 .config console log report info ci2-linux-4-19 WARNING in default_device_exit_batch
2021/12/24 23:28 linux-4.19.y 3f8a27f9e27b 6caa12e4 .config console log report info ci2-linux-4-19 WARNING in default_device_exit_batch
2021/12/24 15:17 linux-4.19.y 3f8a27f9e27b 6caa12e4 .config console log report info ci2-linux-4-19 WARNING in default_device_exit_batch
2021/12/24 10:45 linux-4.19.y 3f8a27f9e27b 6caa12e4 .config console log report info ci2-linux-4-19 WARNING in default_device_exit_batch
2021/12/23 21:21 linux-4.19.y 3f8a27f9e27b 6caa12e4 .config console log report info ci2-linux-4-19 WARNING in default_device_exit_batch
2021/12/23 14:45 linux-4.19.y 3f8a27f9e27b 6caa12e4 .config console log report info ci2-linux-4-19 WARNING in default_device_exit_batch
2021/12/23 10:50 linux-4.19.y 3f8a27f9e27b 6caa12e4 .config console log report info ci2-linux-4-19 WARNING in default_device_exit_batch
2021/12/22 11:57 linux-4.19.y 3f8a27f9e27b 6caa12e4 .config console log report info ci2-linux-4-19 WARNING in default_device_exit_batch
2021/12/22 05:20 linux-4.19.y 3f8a27f9e27b 6caa12e4 .config console log report info ci2-linux-4-19 WARNING in default_device_exit_batch
2021/12/21 09:26 linux-4.19.y 3f8a27f9e27b a938f0b8 .config console log report info ci2-linux-4-19 WARNING in default_device_exit_batch
2021/12/21 08:20 linux-4.19.y 3f8a27f9e27b a938f0b8 .config console log report info ci2-linux-4-19 WARNING in default_device_exit_batch
2021/12/20 21:47 linux-4.19.y 3f8a27f9e27b 62bd192b .config console log report info ci2-linux-4-19 WARNING in default_device_exit_batch
2021/12/20 20:29 linux-4.19.y 3f8a27f9e27b 62bd192b .config console log report info ci2-linux-4-19 WARNING in default_device_exit_batch
2021/12/20 09:37 linux-4.19.y 3f8a27f9e27b 021b36cb .config console log report info ci2-linux-4-19 WARNING in default_device_exit_batch
2021/12/20 08:44 linux-4.19.y 3f8a27f9e27b 021b36cb .config console log report info ci2-linux-4-19 WARNING in default_device_exit_batch
2021/12/19 12:23 linux-4.19.y 3f8a27f9e27b 44068e19 .config console log report info ci2-linux-4-19 WARNING in default_device_exit_batch
2021/12/19 10:35 linux-4.19.y 3f8a27f9e27b 44068e19 .config console log report info ci2-linux-4-19 WARNING in default_device_exit_batch
2021/12/18 22:47 linux-4.19.y 3f8a27f9e27b 44068e19 .config console log report info ci2-linux-4-19 WARNING in default_device_exit_batch
2021/12/17 13:47 linux-4.19.y 3f8a27f9e27b 44068e19 .config console log report info ci2-linux-4-19 WARNING in default_device_exit_batch
2021/12/17 06:28 linux-4.19.y 3f8a27f9e27b 44068e19 .config console log report info ci2-linux-4-19 WARNING in default_device_exit_batch
2021/12/17 04:03 linux-4.19.y 3f8a27f9e27b 44068e19 .config console log report info ci2-linux-4-19 WARNING in default_device_exit_batch
2021/12/17 02:16 linux-4.19.y 3f8a27f9e27b 44068e19 .config console log report info ci2-linux-4-19 WARNING in default_device_exit_batch
2021/12/16 17:11 linux-4.19.y 3f8a27f9e27b 8dd6a5e3 .config console log report info ci2-linux-4-19 WARNING in default_device_exit_batch
2021/12/16 13:39 linux-4.19.y 3f8a27f9e27b 8dd6a5e3 .config console log report info ci2-linux-4-19 WARNING in default_device_exit_batch
2021/12/15 18:46 linux-4.19.y 3f8a27f9e27b 572bcb40 .config console log report info ci2-linux-4-19 WARNING in default_device_exit_batch
2021/01/13 12:59 linux-4.19.y 675cc038067f a945f0a3 .config console log report info ci2-linux-4-19
2020/07/09 08:03 linux-4.19.y 399849e4654e bc238812 .config console log report ci2-linux-4-19
* Struck through repros no longer work on HEAD.