syzbot


WARNING in default_device_exit_batch (4)

Status: upstream: reported on 2022/11/18 11:50
Reported-by: syzbot+9dfc3f3348729cc82277@syzkaller.appspotmail.com
First crash: 17d, last: 11h31m
similar bugs (6):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in default_device_exit_batch (3) C inconclusive 599 18d 201d 0/24 closed as invalid on 2022/11/15 17:40
linux-4.14 WARNING in default_device_exit_batch 67 572d 874d 0/1 auto-closed as invalid on 2021/09/07 10:06
upstream WARNING in default_device_exit_batch (2) 1466 283d 878d 0/24 auto-closed as invalid on 2022/04/24 02:35
upstream WARNING in default_device_exit_batch 2 1006d 1038d 0/24 auto-closed as invalid on 2020/06/30 07:06
linux-4.19 WARNING in default_device_exit_batch 467 335d 877d 0/1 auto-closed as invalid on 2022/04/28 08:15
linux-4.19 WARNING in default_device_exit_batch (2) syz error 133 16d 201d 0/1 upstream: reported syz repro on 2022/05/15 20:01

Sample crash report:
device veth0_macvtap left promiscuous mode
device veth1_vlan left promiscuous mode
device veth0_vlan left promiscuous mode
bond3 (unregistering): Released all slaves
------------[ cut here ]------------
WARNING: CPU: 0 PID: 3847 at net/core/dev.c:10870 unregister_netdevice_many+0x1412/0x1930 net/core/dev.c:10870
Modules linked in:
CPU: 1 PID: 3847 Comm: kworker/u16:4 Not tainted 6.1.0-rc7-syzkaller-00140-gbdaa78c6aa86 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014
Workqueue: netns cleanup_net
RIP: 0010:unregister_netdevice_many+0x1412/0x1930 net/core/dev.c:10870
Code: c2 1a 00 00 48 c7 c6 20 7b 59 8b 48 c7 c7 20 7c 59 8b c6 05 7a 29 88 06 01 e8 97 04 f3 01 0f 0b e9 7a f9 ff ff e8 6e a1 cb f9 <0f> 0b e9 51 f9 ff ff e8 c2 b8 17 fa e9 b9 ed ff ff 4c 89 ef e8 15
RSP: 0018:ffffc90003a17a58 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 000000001bebe801 RCX: 0000000000000000
RDX: ffff88806d108280 RSI: ffffffff87b39b72 RDI: 0000000000000001
RBP: ffff888026b35b00 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000
R13: ffff888026b35b00 R14: ffff88806e45c000 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff88802c700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4dae46e2d0 CR3: 0000000026c4b000 CR4: 0000000000150ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 default_device_exit_batch+0x44d/0x590 net/core/dev.c:11341
 ops_exit_list+0x125/0x170 net/core/net_namespace.c:174
 cleanup_net+0x4ee/0xb00 net/core/net_namespace.c:601
 process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289
 worker_thread+0x669/0x1090 kernel/workqueue.c:2436
 kthread+0x2e8/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>

Crashes (131):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-qemu-upstream 2022/12/03 00:01 upstream bdaa78c6aa86 e080de16 .config log report info WARNING in default_device_exit_batch
ci-upstream-kasan-gce-smack-root 2022/12/01 19:57 upstream ef4d3ea40565 e080de16 .config log report info WARNING in default_device_exit_batch
ci-upstream-kasan-gce-root 2022/12/01 16:32 upstream ef4d3ea40565 e080de16 .config log report info WARNING in default_device_exit_batch
ci-upstream-kasan-gce-root 2022/12/01 12:26 upstream ef4d3ea40565 4c2a66e8 .config log report info WARNING in default_device_exit_batch
ci-qemu-upstream 2022/12/01 12:18 upstream ef4d3ea40565 4c2a66e8 .config log report info WARNING in default_device_exit_batch
ci-qemu-upstream 2022/12/01 10:42 upstream ef4d3ea40565 4c2a66e8 .config log report info WARNING in default_device_exit_batch
ci-upstream-kasan-gce-selinux-root 2022/11/30 20:02 upstream 04aa64375f48 4c2a66e8 .config log report info WARNING in default_device_exit_batch
ci-qemu-upstream 2022/11/30 15:42 upstream 01f856ae6d0c 4c2a66e8 .config log report info WARNING in default_device_exit_batch
ci-upstream-kasan-gce-smack-root 2022/11/30 12:43 upstream 01f856ae6d0c 4c2a66e8 .config log report info WARNING in default_device_exit_batch
ci-qemu-upstream 2022/11/30 01:34 upstream 01f856ae6d0c 579a3740 .config log report info WARNING in default_device_exit_batch
ci-upstream-kasan-gce-selinux-root 2022/11/30 00:27 upstream 01f856ae6d0c 05dc7993 .config log report info WARNING in default_device_exit_batch
ci-upstream-kasan-gce-root 2022/11/29 16:08 upstream ca57f02295f1 05dc7993 .config log report info WARNING in default_device_exit_batch
ci-qemu-upstream 2022/11/29 02:30 upstream b7b275e60bcd ca9683b8 .config log report info WARNING in default_device_exit_batch
ci-upstream-kasan-gce-root 2022/11/28 15:31 upstream b7b275e60bcd 247de55b .config log report info WARNING in default_device_exit_batch
ci-upstream-kasan-gce-root 2022/11/28 11:28 upstream bf82d38c91f8 74a66371 .config log report info WARNING in default_device_exit_batch
ci-upstream-kasan-gce-selinux-root 2022/11/27 19:09 upstream faf68e3523c2 74a66371 .config log report info WARNING in default_device_exit_batch
ci-upstream-kasan-gce-root 2022/11/27 11:05 upstream faf68e3523c2 74a66371 .config log report info WARNING in default_device_exit_batch
ci-upstream-kasan-gce-root 2022/11/27 08:42 upstream faf68e3523c2 74a66371 .config log report info WARNING in default_device_exit_batch
ci-qemu-upstream 2022/11/27 05:38 upstream faf68e3523c2 f4470a7b .config log report info WARNING in default_device_exit_batch
ci-upstream-kasan-gce-selinux-root 2022/11/26 17:58 upstream 644e9524388a 74a66371 .config log report info WARNING in default_device_exit_batch
ci-upstream-kasan-gce-root 2022/11/25 23:03 upstream 0b1dcc2cf55a 74a66371 .config log report info WARNING in default_device_exit_batch
ci-upstream-kasan-gce-root 2022/11/25 21:19 upstream 0b1dcc2cf55a 74a66371 .config log report info WARNING in default_device_exit_batch
ci-upstream-kasan-gce-selinux-root 2022/11/25 12:21 upstream 08ad43d554ba 74a66371 .config log report info WARNING in default_device_exit_batch
ci-upstream-kasan-gce-selinux-root 2022/11/25 09:05 upstream 08ad43d554ba 74a66371 .config log report info WARNING in default_device_exit_batch
ci-upstream-kasan-gce-selinux-root 2022/11/24 19:34 upstream c3eb11fbb826 62e26685 .config log report info WARNING in default_device_exit_batch
ci-qemu-upstream 2022/11/24 18:18 upstream c3eb11fbb826 d6358a0d .config log report info WARNING in default_device_exit_batch
ci-upstream-kasan-gce-selinux-root 2022/11/24 15:13 upstream c3eb11fbb826 12c66417 .config log report info WARNING in default_device_exit_batch
ci-upstream-kasan-gce-root 2022/11/24 13:07 upstream 4312098baf37 12c66417 .config log report info WARNING in default_device_exit_batch
ci-upstream-kasan-gce-selinux-root 2022/11/24 07:40 upstream 4312098baf37 12c66417 .config log report info WARNING in default_device_exit_batch
ci-upstream-kasan-gce-root 2022/11/24 06:25 upstream 4312098baf37 12c66417 .config log report info WARNING in default_device_exit_batch
ci-upstream-kasan-gce-root 2022/11/23 21:15 upstream 4312098baf37 12c66417 .config log report info WARNING in default_device_exit_batch
ci-upstream-kasan-gce-selinux-root 2022/11/23 18:59 upstream eb7081409f94 12c66417 .config log report info WARNING in default_device_exit_batch
ci-upstream-kasan-gce-selinux-root 2022/11/23 12:19 upstream eb7081409f94 75740b3f .config log report info WARNING in default_device_exit_batch
ci-upstream-kasan-gce 2022/11/22 18:53 upstream eb7081409f94 9da37ae8 .config log report info WARNING in default_device_exit_batch
ci-upstream-kasan-gce-root 2022/11/18 11:45 upstream 81ac25651a62 4ba8ab94 .config log report info WARNING in default_device_exit_batch
ci-upstream-kasan-gce-386 2022/11/30 21:32 upstream ef4d3ea40565 4c2a66e8 .config log report info WARNING in default_device_exit_batch
ci-upstream-kasan-gce-386 2022/11/29 12:22 upstream ca57f02295f1 05dc7993 .config log report info WARNING in default_device_exit_batch
ci-qemu-upstream-386 2022/11/23 06:19 upstream eb7081409f94 75740b3f .config log report info WARNING in default_device_exit_batch
ci-qemu-upstream-386 2022/11/22 12:07 upstream eb7081409f94 1c8e10bc .config log report info WARNING in default_device_exit_batch
ci-upstream-net-this-kasan-gce 2022/12/03 04:00 net 4eb0c28551fd e080de16 .config log report info WARNING in default_device_exit_batch
ci-upstream-net-this-kasan-gce 2022/12/03 02:07 net 4eb0c28551fd e080de16 .config log report info WARNING in default_device_exit_batch
ci-upstream-net-this-kasan-gce 2022/12/02 08:20 net c25b7a7a565e e080de16 .config log report info WARNING in default_device_exit_batch
ci-upstream-net-this-kasan-gce 2022/12/01 18:29 net c25b7a7a565e e080de16 .config log report info WARNING in default_device_exit_batch
ci-upstream-net-this-kasan-gce 2022/11/28 14:00 net f2fc2280faab 247de55b .config log report info WARNING in default_device_exit_batch
ci-upstream-net-this-kasan-gce 2022/11/28 02:02 net 369eb2c9f1f7 74a66371 .config log report info WARNING in default_device_exit_batch
ci-upstream-net-kasan-gce 2022/12/01 00:22 net-next f2bb566f5c97 4c2a66e8 .config log report info WARNING in default_device_exit_batch
ci-upstream-net-kasan-gce 2022/11/29 14:05 net-next 7a168f560e3c 05dc7993 .config log report info WARNING in default_device_exit_batch
ci-upstream-net-kasan-gce 2022/11/28 19:34 net-next a66d79ee0bd5 247de55b .config log report info WARNING in default_device_exit_batch
ci-upstream-net-kasan-gce 2022/11/27 21:40 net-next a6e3d86ece0b 74a66371 .config log report info WARNING in default_device_exit_batch
ci-upstream-net-kasan-gce 2022/11/26 19:34 net-next a6e3d86ece0b 74a66371 .config log report info WARNING in default_device_exit_batch
ci-upstream-net-kasan-gce 2022/11/26 09:11 net-next a6e3d86ece0b 74a66371 .config log report info WARNING in default_device_exit_batch
ci-upstream-net-kasan-gce 2022/11/25 13:49 net-next 14e5f71e31ff 74a66371 .config log report info WARNING in default_device_exit_batch
ci-upstream-net-kasan-gce 2022/11/25 10:43 net-next 14e5f71e31ff 74a66371 .config log report info WARNING in default_device_exit_batch
ci-upstream-net-kasan-gce 2022/11/23 16:15 net-next af42736301cb 75740b3f .config log report info WARNING in default_device_exit_batch
ci-upstream-net-kasan-gce 2022/11/23 10:53 net-next af42736301cb 75740b3f .config log report info WARNING in default_device_exit_batch
ci-upstream-net-kasan-gce 2022/11/23 07:42 net-next af42736301cb 75740b3f .config log report info WARNING in default_device_exit_batch
ci-upstream-net-kasan-gce 2022/11/15 23:37 net-next 7eba4505394e 97de9cfc .config log report info WARNING in default_device_exit_batch
ci-upstream-linux-next-kasan-gce-root 2022/12/02 12:21 linux-next 9e46a7996732 e080de16 .config log report info WARNING in default_device_exit_batch
ci-upstream-gce-arm64 2022/11/30 03:55 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci cdb931b58ff5 05dc7993 .config log report info WARNING in default_device_exit_batch
ci-upstream-gce-arm64 2022/11/23 08:57 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 65762d97e6fa 75740b3f .config log report info WARNING in default_device_exit_batch
ci-upstream-gce-arm64 2022/11/22 15:56 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a77d28d13789 1c576c23 .config log report info WARNING in default_device_exit_batch
* Struck through repros no longer work on HEAD.