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WARNING in ip_tunnel_delete_nets (2)

Status: auto-obsoleted due to no activity on 2023/10/30 08:13
Subsystems: net
[Documentation on labels]
Reported-by: syzbot+b7a5f4ad84b87ee1b3ae@syzkaller.appspotmail.com
First crash: 262d, last: 251d
▶ ▼ Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [net?] WARNING in ip_tunnel_delete_nets (2) 0 (1) 2023/08/14 03:32
▶ ▼ Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in ip_tunnel_delete_nets net 1 993d 993d 0/26 auto-closed as invalid on 2021/10/08 06:06

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 12 at net/core/dev.c:10876 unregister_netdevice_many_notify+0x14d8/0x19a0 net/core/dev.c:10876
Modules linked in:
CPU: 0 PID: 12 Comm: kworker/u16:1 Not tainted 6.5.0-rc6-syzkaller-00038-g16931859a650 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
Workqueue: netns cleanup_net
RIP: 0010:unregister_netdevice_many_notify+0x14d8/0x19a0 net/core/dev.c:10876
Code: b4 1a 00 00 48 c7 c6 e0 12 81 8b 48 c7 c7 20 13 81 8b c6 05 d1 53 6c 06 01 e8 04 13 23 f9 0f 0b e9 64 f7 ff ff e8 98 51 5c f9 <0f> 0b e9 3b f7 ff ff e8 8c 81 af f9 e9 fc ec ff ff 4c 89 e7 e8 df
RSP: 0018:ffffc90000317a28 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 000000002cfdf801 RCX: 0000000000000000
RDX: ffff888014a94300 RSI: ffffffff8828cf28 RDI: 0000000000000001
RBP: ffff88801e2e0000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 000000000000004e R12: ffff888021c76600
R13: 0000000000000000 R14: 0000000000000002 R15: ffff888021c76600
FS:  0000000000000000(0000) GS:ffff88806b600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000560f21bb47d8 CR3: 000000000c776000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ip_tunnel_delete_nets+0x2bb/0x3a0 net/ipv4/ip_tunnel.c:1144
 ops_exit_list+0x125/0x170 net/core/net_namespace.c:175
 cleanup_net+0x505/0xb20 net/core/net_namespace.c:614
 process_one_work+0xaa2/0x16f0 kernel/workqueue.c:2600
 worker_thread+0x687/0x1110 kernel/workqueue.c:2751
 kthread+0x33a/0x430 kernel/kthread.c:389
 ret_from_fork+0x2c/0x70 arch/x86/kernel/process.c:145
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
 </TASK>

Crashes (430):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/08/18 00:18 upstream 16931859a650 74b106b6 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in ip_tunnel_delete_nets
2023/08/17 22:10 upstream 16931859a650 74b106b6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in ip_tunnel_delete_nets
2023/08/17 21:08 upstream 16931859a650 74b106b6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in ip_tunnel_delete_nets
2023/08/17 20:03 upstream 16931859a650 74b106b6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in ip_tunnel_delete_nets
2023/08/17 18:57 upstream 16931859a650 74b106b6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in ip_tunnel_delete_nets
2023/08/17 18:11 upstream 16931859a650 74b106b6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in ip_tunnel_delete_nets
2023/08/17 17:08 upstream 16931859a650 74b106b6 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in ip_tunnel_delete_nets
2023/08/17 12:40 upstream 4853c74bd7ab 74b106b6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in ip_tunnel_delete_nets
2023/08/17 10:06 upstream 4853c74bd7ab 74b106b6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in ip_tunnel_delete_nets
2023/08/17 08:35 upstream 4853c74bd7ab 74b106b6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in ip_tunnel_delete_nets
2023/08/17 07:39 upstream 4853c74bd7ab 74b106b6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in ip_tunnel_delete_nets
2023/08/17 06:36 upstream 4853c74bd7ab 74b106b6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in ip_tunnel_delete_nets
2023/08/17 05:35 upstream 4853c74bd7ab 74b106b6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in ip_tunnel_delete_nets
2023/08/17 02:55 upstream 4853c74bd7ab 74b106b6 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in ip_tunnel_delete_nets
2023/08/16 19:00 upstream 4853c74bd7ab 7773e940 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in ip_tunnel_delete_nets
2023/08/16 17:33 upstream 4853c74bd7ab 7773e940 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in ip_tunnel_delete_nets
2023/08/16 16:31 upstream 4853c74bd7ab 7773e940 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in ip_tunnel_delete_nets
2023/08/16 16:22 upstream 4853c74bd7ab 7773e940 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in ip_tunnel_delete_nets
2023/08/16 15:20 upstream 4853c74bd7ab 7773e940 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in ip_tunnel_delete_nets
2023/08/16 14:14 upstream 4853c74bd7ab 7773e940 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in ip_tunnel_delete_nets
2023/08/16 13:53 upstream 4853c74bd7ab 7773e940 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in ip_tunnel_delete_nets
2023/08/16 11:34 upstream 4853c74bd7ab 39990d51 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in ip_tunnel_delete_nets
2023/08/16 10:33 upstream 4853c74bd7ab 39990d51 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in ip_tunnel_delete_nets
2023/08/16 09:21 upstream 4853c74bd7ab 39990d51 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in ip_tunnel_delete_nets
2023/08/16 05:47 upstream 2d7b8c6b90e4 39990d51 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in ip_tunnel_delete_nets
2023/08/16 03:19 upstream 4853c74bd7ab 39990d51 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in ip_tunnel_delete_nets
2023/08/16 01:02 upstream 2d7b8c6b90e4 39990d51 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in ip_tunnel_delete_nets
2023/08/15 23:54 upstream 4853c74bd7ab 39990d51 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in ip_tunnel_delete_nets
2023/08/15 22:27 upstream 4853c74bd7ab 39990d51 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in ip_tunnel_delete_nets
2023/08/15 22:18 upstream 4853c74bd7ab 39990d51 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in ip_tunnel_delete_nets
2023/08/15 21:02 upstream 2d7b8c6b90e4 39990d51 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in ip_tunnel_delete_nets
2023/08/15 14:51 upstream 91aa6c412d7f 39990d51 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in ip_tunnel_delete_nets
2023/08/15 13:47 upstream 91aa6c412d7f 39990d51 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in ip_tunnel_delete_nets
2023/08/15 12:29 upstream 91aa6c412d7f 39990d51 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in ip_tunnel_delete_nets
2023/08/15 11:19 upstream 91aa6c412d7f 39990d51 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in ip_tunnel_delete_nets
2023/08/15 10:13 upstream 91aa6c412d7f 39990d51 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in ip_tunnel_delete_nets
2023/08/15 08:59 upstream 91aa6c412d7f 39990d51 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in ip_tunnel_delete_nets
2023/08/15 06:53 upstream 2ccdd1b13c59 39990d51 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in ip_tunnel_delete_nets
2023/08/14 02:46 upstream 2ccdd1b13c59 39990d51 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in ip_tunnel_delete_nets
2023/08/13 21:27 upstream a785fd28d31f 39990d51 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in ip_tunnel_delete_nets
2023/08/17 00:58 upstream 4853c74bd7ab 74b106b6 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in ip_tunnel_delete_nets
2023/08/16 07:25 upstream d4f8e13b0614 39990d51 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in ip_tunnel_delete_nets
2023/08/14 23:33 upstream 2ccdd1b13c59 39990d51 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64 WARNING in ip_tunnel_delete_nets
2023/08/14 09:24 upstream 2ccdd1b13c59 39990d51 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in ip_tunnel_delete_nets
2023/08/11 20:15 upstream 9106536c1aa3 39990d51 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-compat WARNING in ip_tunnel_delete_nets
2023/08/13 13:06 net cc941e548bff 39990d51 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ip_tunnel_delete_nets
2023/08/10 03:30 net 048c796beb6e 13ca4cd6 .config console log report info ci-upstream-net-this-kasan-gce WARNING in ip_tunnel_delete_nets
2023/08/19 03:44 net-next c2e5f4fd1148 d216d8a0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ip_tunnel_delete_nets
2023/08/18 22:42 net-next c2e5f4fd1148 d216d8a0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ip_tunnel_delete_nets
2023/08/17 16:03 net-next f54a2a132a9d 74b106b6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ip_tunnel_delete_nets
2023/08/17 04:38 net-next f54a2a132a9d 74b106b6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ip_tunnel_delete_nets
2023/08/16 02:19 net-next c65dffc6f25c 39990d51 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ip_tunnel_delete_nets
2023/08/15 18:02 net-next 479b322ee6fe 39990d51 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ip_tunnel_delete_nets
2023/08/15 05:09 net-next 479b322ee6fe 39990d51 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ip_tunnel_delete_nets
2023/08/21 08:12 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c014c37159a1 d216d8a0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in ip_tunnel_delete_nets
2023/08/21 01:41 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c014c37159a1 d216d8a0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in ip_tunnel_delete_nets
2023/08/20 21:26 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c014c37159a1 d216d8a0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in ip_tunnel_delete_nets
2023/08/20 18:34 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c014c37159a1 d216d8a0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in ip_tunnel_delete_nets
2023/08/20 09:52 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c014c37159a1 d216d8a0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in ip_tunnel_delete_nets
2023/08/20 02:41 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c014c37159a1 d216d8a0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in ip_tunnel_delete_nets
2023/08/19 17:15 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c014c37159a1 d216d8a0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in ip_tunnel_delete_nets
2023/08/19 09:48 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c014c37159a1 d216d8a0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in ip_tunnel_delete_nets
2023/08/18 12:30 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ac9847efd629 74b106b6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in ip_tunnel_delete_nets
* Struck through repros no longer work on HEAD.