syzbot


WARNING in default_device_exit_batch (3)

Status: closed as invalid on 2022/11/15 17:40
Subsystems: net
[Documentation on labels]
First crash: 732d, last: 549d
Cause bisection: the issue happens on the oldest tested release (bisect log)
Crash: WARNING in default_device_exit_batch (log)
Repro: C syz .config
  
Similar bugs (8)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.14 WARNING in default_device_exit_batch 67 1103d 1405d 0/1 auto-closed as invalid on 2021/09/07 10:06
upstream WARNING in default_device_exit_batch (4) net C error 954 420d 546d 22/26 fixed on 2023/06/08 14:41
upstream WARNING in default_device_exit_batch (2) net 1466 814d 1410d 0/26 auto-closed as invalid on 2022/04/24 02:35
upstream WARNING in default_device_exit_batch net 2 1537d 1569d 0/26 auto-closed as invalid on 2020/06/30 07:06
linux-4.19 WARNING in default_device_exit_batch 467 866d 1408d 0/1 auto-closed as invalid on 2022/04/28 08:15
linux-4.19 WARNING in default_device_exit_batch (2) syz error 200 440d 733d 0/1 upstream: reported syz repro on 2022/05/15 20:01
linux-6.1 WARNING in default_device_exit_batch 2 423d 424d 0/3 auto-obsoleted due to no activity on 2023/07/19 17:51
linux-5.15 WARNING in default_device_exit_batch 1 427d 427d 0/3 auto-obsoleted due to no activity on 2023/07/15 14:46

Sample crash report:
bond5 (unregistering): Released all slaves
------------[ cut here ]------------
WARNING: CPU: 0 PID: 8 at net/core/dev.c:10866 unregister_netdevice_many+0x1355/0x1830 net/core/dev.c:10866
Modules linked in:
CPU: 0 PID: 8 Comm: kworker/u4:0 Not tainted 5.19.0-syzkaller-02972-g200e340f2196 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Workqueue: netns cleanup_net
RIP: 0010:unregister_netdevice_many+0x1355/0x1830 net/core/dev.c:10866
Code: bc 1a 00 00 48 c7 c6 60 3d d3 8a 48 c7 c7 a0 3d d3 8a c6 05 06 b4 53 06 01 e8 78 6d df 01 0f 0b e9 86 f9 ff ff e8 4b 58 27 fa <0f> 0b e9 5d f9 ff ff e8 3f 58 27 fa 0f 0b e9 9c f9 ff ff e8 93 1f
RSP: 0018:ffffc900000d7a58 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 000000007ec9f601 RCX: 0000000000000000
RDX: ffff88813fe95880 RSI: ffffffff87538175 RDI: 0000000000000001
RBP: ffff88807ec76180 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
R13: ffff88807ec76180 R14: ffff88807d0f0000 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f36b30ba718 CR3: 000000007ed04000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 default_device_exit_batch+0x449/0x590 net/core/dev.c:11337
 ops_exit_list+0x125/0x170 net/core/net_namespace.c:167
 cleanup_net+0x4ea/0xb00 net/core/net_namespace.c:594
 process_one_work+0x996/0x1610 kernel/workqueue.c:2289
 worker_thread+0x665/0x1080 kernel/workqueue.c:2436
 kthread+0x2e9/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>

Crashes (599):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2022/08/08 17:58 upstream 200e340f2196 88e3a122 .config strace log report syz C ci-upstream-kasan-gce-root WARNING in default_device_exit_batch
2022/11/15 07:56 upstream e01d50cbd6ee 97de9cfc .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in default_device_exit_batch
2022/11/15 06:25 upstream e01d50cbd6ee 943f4cb8 .config console log report info ci-upstream-kasan-gce-smack-root WARNING in default_device_exit_batch
2022/11/14 01:01 upstream af7a05689189 3ead01ad .config console log report info ci-upstream-kasan-gce-smack-root WARNING in default_device_exit_batch
2022/11/13 20:16 upstream af7a05689189 3ead01ad .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in default_device_exit_batch
2022/11/13 04:30 upstream fef7fd48922d 3ead01ad .config console log report info ci-upstream-kasan-gce-smack-root WARNING in default_device_exit_batch
2022/11/12 22:42 upstream fef7fd48922d f42ee5d8 .config console log report info ci-qemu-upstream WARNING in default_device_exit_batch
2022/11/12 14:58 upstream 8f2975c2bb4c 3ead01ad .config console log report info ci-upstream-kasan-gce-root WARNING in default_device_exit_batch
2022/11/10 17:02 upstream f67dd6ce0723 3ead01ad .config console log report info ci-upstream-kasan-gce-root WARNING in default_device_exit_batch
2022/11/09 22:58 upstream f67dd6ce0723 bebca8b7 .config console log report info ci-qemu-upstream WARNING in default_device_exit_batch
2022/11/08 23:52 upstream f141df371335 060f945e .config console log report info ci-upstream-kasan-gce-root WARNING in default_device_exit_batch
2022/11/08 07:25 upstream 59f2f4b8a757 881db35d .config console log report info ci-upstream-kasan-gce-smack-root WARNING in default_device_exit_batch
2022/11/08 06:19 upstream 59f2f4b8a757 881db35d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in default_device_exit_batch
2022/11/07 17:44 upstream f0c4d9fc9cc9 a779b11a .config console log report info ci-upstream-kasan-gce-smack-root WARNING in default_device_exit_batch
2022/11/07 14:31 upstream f0c4d9fc9cc9 a779b11a .config console log report info ci-upstream-kasan-gce-smack-root WARNING in default_device_exit_batch
2022/11/02 08:29 upstream b229b6ca5abb edac4fd1 .config console log report info ci-upstream-kasan-gce WARNING in default_device_exit_batch
2022/10/26 00:49 upstream 1a2dcbdde82e 1984aebd .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in default_device_exit_batch
2022/11/14 16:00 upstream 094226ad94f4 943f4cb8 .config console log report info ci-qemu-upstream-386 WARNING in default_device_exit_batch
2022/11/14 07:25 upstream 094226ad94f4 7ba4d859 .config console log report info ci-qemu-upstream-386 WARNING in default_device_exit_batch
2022/11/11 04:44 upstream 4bbf3422df78 f42ee5d8 .config console log report info ci-qemu-upstream-386 WARNING in default_device_exit_batch
2022/11/08 05:01 upstream 59f2f4b8a757 6feb842b .config console log report info ci-qemu-upstream-386 WARNING in default_device_exit_batch
2022/11/07 19:36 upstream f0c4d9fc9cc9 a779b11a .config console log report info ci-upstream-kasan-gce-386 WARNING in default_device_exit_batch
2022/05/16 04:34 upstream 42226c989789 744a39e2 .config console log report info ci-qemu-upstream-386 WARNING in default_device_exit_batch
2022/11/14 11:29 net-old 8979f428a4af 943f4cb8 .config console log report info ci-upstream-net-this-kasan-gce WARNING in default_device_exit_batch
2022/11/10 19:35 net-old 23569b5652ee 3ead01ad .config console log report info ci-upstream-net-this-kasan-gce WARNING in default_device_exit_batch
2022/11/10 13:49 net-old 27c064ae14d1 b2488a87 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in default_device_exit_batch
2022/11/10 04:52 net-old 27c064ae14d1 b2488a87 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in default_device_exit_batch
2022/11/08 18:40 net-old ce9e57feeed8 060f945e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in default_device_exit_batch
2022/11/07 22:52 net-old f9027f88f7d1 a779b11a .config console log report info ci-upstream-net-this-kasan-gce WARNING in default_device_exit_batch
2022/11/07 12:47 net-old f9027f88f7d1 6d752409 .config console log report info ci-upstream-net-this-kasan-gce WARNING in default_device_exit_batch
2022/11/07 00:16 net-old b7cbc6740bd6 6d752409 .config console log report info ci-upstream-net-this-kasan-gce WARNING in default_device_exit_batch
2022/11/14 10:12 net-next-old b548b17a93fd 3ead01ad .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in default_device_exit_batch
2022/11/13 15:05 net-next-old b548b17a93fd 3ead01ad .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in default_device_exit_batch
2022/11/12 15:43 net-next-old b548b17a93fd 3ead01ad .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in default_device_exit_batch
2022/11/11 22:25 net-next-old 2cf7e87fc459 3ead01ad .config console log report info ci-upstream-net-kasan-gce WARNING in default_device_exit_batch
2022/11/11 14:23 net-next-old c1b05105573b 3ead01ad .config console log report info ci-upstream-net-kasan-gce WARNING in default_device_exit_batch
2022/11/10 06:02 net-next-old fbeb229a6622 b2488a87 .config console log report info ci-upstream-net-kasan-gce WARNING in default_device_exit_batch
2022/11/09 20:00 net-next-old fbeb229a6622 5fa28208 .config console log report info ci-upstream-net-kasan-gce WARNING in default_device_exit_batch
2022/11/09 09:02 net-next-old fbeb229a6622 5fa28208 .config console log report info ci-upstream-net-kasan-gce WARNING in default_device_exit_batch
2022/11/09 01:52 net-next-old fbeb229a6622 060f945e .config console log report info ci-upstream-net-kasan-gce WARNING in default_device_exit_batch
2022/11/08 22:03 net-next-old fbeb229a6622 060f945e .config console log report info ci-upstream-net-kasan-gce WARNING in default_device_exit_batch
2022/11/08 12:53 net-next-old fbeb229a6622 881db35d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in default_device_exit_batch
2022/11/08 03:20 net-next-old fbeb229a6622 881db35d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in default_device_exit_batch
2022/11/08 00:10 net-next-old fbeb229a6622 a779b11a .config console log report info ci-upstream-net-kasan-gce WARNING in default_device_exit_batch
2022/11/07 05:12 net-next-old fbeb229a6622 6d752409 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in default_device_exit_batch
2022/11/06 22:50 net-next-old fbeb229a6622 6d752409 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in default_device_exit_batch
2022/11/06 16:19 net-next-old fbeb229a6622 6d752409 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in default_device_exit_batch
2022/11/06 10:23 net-next-old fbeb229a6622 6d752409 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in default_device_exit_batch
2022/11/15 09:29 linux-next 5c92ddca1053 97de9cfc .config console log report info ci-upstream-linux-next-kasan-gce-root WARNING in default_device_exit_batch
2022/11/14 13:38 linux-next 5c92ddca1053 943f4cb8 .config console log report info ci-upstream-linux-next-kasan-gce-root WARNING in default_device_exit_batch
2022/11/11 18:45 linux-next f8f60f322f06 3ead01ad .config console log report info ci-upstream-linux-next-kasan-gce-root WARNING in default_device_exit_batch
2022/11/11 10:02 linux-next f8f60f322f06 3ead01ad .config console log report info ci-upstream-linux-next-kasan-gce-root WARNING in default_device_exit_batch
2022/11/09 07:47 linux-next 0cdb3579f1ee 5fa28208 .config console log report info ci-upstream-linux-next-kasan-gce-root WARNING in default_device_exit_batch
2022/11/08 10:16 linux-next 0cdb3579f1ee 881db35d .config console log report info ci-upstream-linux-next-kasan-gce-root WARNING in default_device_exit_batch
2022/11/15 12:29 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9e4ce762f0e7 97de9cfc .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in default_device_exit_batch
2022/11/14 22:31 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9e4ce762f0e7 943f4cb8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in default_device_exit_batch
2022/11/11 02:04 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 1621b6eaebf7 3ead01ad .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in default_device_exit_batch
2022/11/07 09:09 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bbed346d5a96 6d752409 .config console log report info [disk image] [vmlinux] ci-upstream-gce-arm64 WARNING in default_device_exit_batch
2022/11/06 17:36 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bbed346d5a96 6d752409 .config console log report info [disk image] [vmlinux] ci-upstream-gce-arm64 WARNING in default_device_exit_batch
2022/11/06 14:24 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bbed346d5a96 6d752409 .config console log report info [disk image] [vmlinux] ci-upstream-gce-arm64 WARNING in default_device_exit_batch
* Struck through repros no longer work on HEAD.