------------[ cut here ]------------
WARNING: CPU: 0 PID: 46 at net/ipv6/xfrm6_tunnel.c:341 xfrm6_tunnel_net_exit+0xc4/0x140 net/ipv6/xfrm6_tunnel.c:341
Modules linked in:
CPU: 0 UID: 0 PID: 46 Comm: kworker/u8:2 Not tainted syzkaller #0 7d836c68f7d55d9b8be32a3afed0c3f02dc2df9e
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
Workqueue: netns cleanup_net
RIP: 0010:xfrm6_tunnel_net_exit+0xc4/0x140 net/ipv6/xfrm6_tunnel.c:341
Code: e8 11 01 d7 fc 4b 83 3c 3e 00 75 19 e8 a5 4d 7e fc 49 81 ff f8 07 00 00 74 1b e8 97 4d 7e fc 49 83 c7 08 eb c9 e8 8c 4d 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:ffffc900002ffb90 EFLAGS: 00010293
RAX: ffffffff85092464 RBX: ffff8881243911c0 RCX: ffff88810ae4df00
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88810e3680b8
RBP: ffffc900002ffbb0 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff5200005ff04 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff88810e368000 R15: 00000000000000b8
FS:  0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007efd90e73780 CR3: 00000001227c0000 CR4: 00000000003526b0
Call Trace:
 <TASK>
 ops_exit_list net/core/net_namespace.c:173 [inline]
 cleanup_net+0x6bd/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: 46 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: 46 Comm: kworker/u8:2 Tainted: G        W          syzkaller #0 7d836c68f7d55d9b8be32a3afed0c3f02dc2df9e
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
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 50 4d 7e fc 49 81 ff f8 07 00 00 74 1b e8 42 4d 7e fc 49 83 c7 08 eb c5 e8 37 4d 7e fc <0f> 0b 49 81 ff f8 07 00 00 75 e5 e8 27 4d 7e fc 5b 41 5c 41 5e 41
RSP: 0018:ffffc900002ffb90 EFLAGS: 00010293
RAX: ffffffff850924b9 RBX: ffff88810e368800 RCX: ffff88810ae4df00
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88810e368808
RBP: ffffc900002ffbb0 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff5200005ff04 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff88810e368000 R15: 0000000000000008
FS:  0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe1be56de0 CR3: 0000000130db2000 CR4: 00000000003526b0
Call Trace:
 <TASK>
 ops_exit_list net/core/net_namespace.c:173 [inline]
 cleanup_net+0x6bd/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: 46 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: 46 Comm: kworker/u8:2 Tainted: G        W          syzkaller #0 7d836c68f7d55d9b8be32a3afed0c3f02dc2df9e
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
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 ff c0 f1 fc 48 8b 3b e8 17 b2 dc fc 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 82 0d 99 fc <0f> 0b e9 b0 fd ff ff e8 76 0d 99 fc 0f 0b e9 18 fe ff ff e8 6a 0d
RSP: 0018:ffffc900002ffb70 EFLAGS: 00010293
RAX: ffffffff84ee646e RBX: ffff8881243911c0 RCX: ffff88810ae4df00
RDX: 0000000000000000 RSI: 0000000000400000 RDI: ffff88810ae4df00
RBP: ffffc900002ffb98 R08: ffffffff87d41aa7 R09: 1ffffffff0fa8354
R10: dffffc0000000000 R11: fffffbfff0fa8355 R12: 1ffffffff0fa80a8
R13: dffffc0000000000 R14: ffff888124391dc0 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007efd911ed2f8 CR3: 000000010c7f2000 CR4: 00000000003526b0
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+0x6bd/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 ]---