------------[ cut here ]------------
WARNING: CPU: 1 PID: 476 at net/ipv6/xfrm6_tunnel.c:341 xfrm6_tunnel_net_exit+0xc4/0x140 net/ipv6/xfrm6_tunnel.c:341
Modules linked in:
CPU: 1 UID: 0 PID: 476 Comm: kworker/u8:38 Not tainted syzkaller #0 185dc34721d37117965f1ae367335865d45f8069
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/25/2026
Workqueue: netns cleanup_net
RIP: 0010:xfrm6_tunnel_net_exit+0xc4/0x140 net/ipv6/xfrm6_tunnel.c:341
Code: e8 e1 11 d7 fc 4b 83 3c 3e 00 75 19 e8 75 5e 7e fc 49 81 ff f8 07 00 00 74 1b e8 67 5e 7e fc 49 83 c7 08 eb c9 e8 5c 5e 7e fc <0f> 0b 49 81 ff f8 07 00 00 75 e5 49 8d 9e 00 08 00 00 45 31 ff 4a
RSP: 0018:ffffc9000de57b90 EFLAGS: 00010293
RAX: ffffffff85091394 RBX: ffff88812eef8000 RCX: ffff88810db5cc00
RDX: 0000000000000000 RSI: 0000000000400000 RDI: ffff8881047d8000
RBP: ffffc9000de57bb0 R08: ffffffff87d41ae7 R09: 1ffffffff0fa835c
R10: dffffc0000000000 R11: fffffbfff0fa835d R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff8881047d8000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5e8a227dac CR3: 000000011f38a000 CR4: 00000000003526b0
Call Trace:
 <TASK>
 ops_exit_list net/core/net_namespace.c:173 [inline]
 cleanup_net+0x6ba/0xc90 net/core/net_namespace.c:642
 process_one_work kernel/workqueue.c:3273 [inline]
 process_scheduled_works+0x7f7/0x1060 kernel/workqueue.c:3354
 worker_thread+0xc99/0x13f0 kernel/workqueue.c:3435
 kthread+0x2c7/0x360 kernel/kthread.c:389
 ret_from_fork+0x67/0xa0 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 476 at net/ipv6/xfrm6_tunnel.c:344 xfrm6_tunnel_net_exit+0x119/0x140 net/ipv6/xfrm6_tunnel.c:344
Modules linked in:
CPU: 1 UID: 0 PID: 476 Comm: kworker/u8:38 Tainted: G        W          syzkaller #0 185dc34721d37117965f1ae367335865d45f8069
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/25/2026
Workqueue: netns cleanup_net
RIP: 0010:xfrm6_tunnel_net_exit+0x119/0x140 net/ipv6/xfrm6_tunnel.c:344
Code: fc 4b 83 bc 3e 00 08 00 00 00 75 19 e8 20 5e 7e fc 49 81 ff f8 07 00 00 74 1b e8 12 5e 7e fc 49 83 c7 08 eb c5 e8 07 5e 7e fc <0f> 0b 49 81 ff f8 07 00 00 75 e5 e8 f7 5d 7e fc 5b 41 5c 41 5e 41
RSP: 0018:ffffc9000de57b90 EFLAGS: 00010293
RAX: ffffffff850913e9 RBX: ffff8881047d8800 RCX: ffff88810db5cc00
RDX: 0000000000000000 RSI: 0000000000400000 RDI: ffff8881047d8810
RBP: ffffc9000de57bb0 R08: ffffffff87d41ae7 R09: 1ffffffff0fa835c
R10: dffffc0000000000 R11: fffffbfff0fa835d R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff8881047d8000 R15: 0000000000000010
FS:  0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5e8a227dac CR3: 000000011171e000 CR4: 00000000003526b0
Call Trace:
 <TASK>
 ops_exit_list net/core/net_namespace.c:173 [inline]
 cleanup_net+0x6ba/0xc90 net/core/net_namespace.c:642
 process_one_work kernel/workqueue.c:3273 [inline]
 process_scheduled_works+0x7f7/0x1060 kernel/workqueue.c:3354
 worker_thread+0xc99/0x13f0 kernel/workqueue.c:3435
 kthread+0x2c7/0x360 kernel/kthread.c:389
 ret_from_fork+0x67/0xa0 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 476 at net/xfrm/xfrm_state.c:3217 xfrm_state_fini+0x2be/0x310 net/xfrm/xfrm_state.c:3217
Modules linked in:
CPU: 0 UID: 0 PID: 476 Comm: kworker/u8:38 Tainted: G        W          syzkaller #0 185dc34721d37117965f1ae367335865d45f8069
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/25/2026
Workqueue: netns cleanup_net
RIP: 0010:xfrm_state_fini+0x2be/0x310 net/xfrm/xfrm_state.c:3217
Code: 3c 20 00 74 08 48 89 df e8 cf d1 f1 fc 48 8b 3b e8 e7 c2 dc fc 5b 41 5c 41 5d 41 5e 41 5f 5d e9 48 7b b7 00 cc e8 52 1e 99 fc <0f> 0b e9 b0 fd ff ff e8 46 1e 99 fc 0f 0b e9 18 fe ff ff e8 3a 1e
RSP: 0018:ffffc9000de57b70 EFLAGS: 00010293
RAX: ffffffff84ee539e RBX: ffff88812eef8000 RCX: ffff88810db5cc00
RDX: 0000000000000000 RSI: 0000000000400000 RDI: ffff88810db5cc00
RBP: ffffc9000de57b98 R08: ffffffff87d41ae7 R09: 1ffffffff0fa835c
R10: dffffc0000000000 R11: fffffbfff0fa835d R12: 1ffffffff0fa80b0
R13: dffffc0000000000 R14: ffff88812eef8c00 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f55bc551000 CR3: 0000000114fc6000 CR4: 00000000003526b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000001800
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 xfrm_net_exit+0x31/0x80 net/xfrm/xfrm_policy.c:4353
 ops_exit_list net/core/net_namespace.c:173 [inline]
 cleanup_net+0x6ba/0xc90 net/core/net_namespace.c:642
 process_one_work kernel/workqueue.c:3273 [inline]
 process_scheduled_works+0x7f7/0x1060 kernel/workqueue.c:3354
 worker_thread+0xc99/0x13f0 kernel/workqueue.c:3435
 kthread+0x2c7/0x360 kernel/kthread.c:389
 ret_from_fork+0x67/0xa0 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
---[ end trace 0000000000000000 ]---