------------[ cut here ]------------
WARNING: CPU: 1 PID: 520 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: 520 Comm: kworker/u8:57 Not tainted syzkaller #0 17468f79762d441aae0c9e322606c977245b4172
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 b1 0e d7 fc 4b 83 3c 3e 00 75 19 e8 45 5b 7e fc 49 81 ff f8 07 00 00 74 1b e8 37 5b 7e fc 49 83 c7 08 eb c9 e8 2c 5b 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:ffffc9000de97b90 EFLAGS: 00010293
RAX: ffffffff850916c4 RBX: ffff888104ba8000 RCX: ffff88813b10b900
RDX: 0000000000000000 RSI: 0000000000c00000 RDI: ffff8881023807e0
RBP: ffffc9000de97bb0 R08: ffffffff87d41c27 R09: 1ffffffff0fa8384
R10: dffffc0000000000 R11: fffffbfff0fa8385 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff888102380000 R15: 00000000000007e0
FS:  0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9c3c358060 CR3: 00000000074aa000 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: 520 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: 520 Comm: kworker/u8:57 Tainted: G        W          syzkaller #0 17468f79762d441aae0c9e322606c977245b4172
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 f0 5a 7e fc 49 81 ff f8 07 00 00 74 1b e8 e2 5a 7e fc 49 83 c7 08 eb c5 e8 d7 5a 7e fc <0f> 0b 49 81 ff f8 07 00 00 75 e5 e8 c7 5a 7e fc 5b 41 5c 41 5e 41
RSP: 0018:ffffc9000de97b90 EFLAGS: 00010293
RAX: ffffffff85091719 RBX: ffff888102380800 RCX: ffff88813b10b900
RDX: 0000000000000000 RSI: 0000000000c00000 RDI: ffff888102380808
RBP: ffffc9000de97bb0 R08: ffffffff87d41c27 R09: 1ffffffff0fa8384
R10: dffffc0000000000 R11: fffffbfff0fa8385 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff888102380000 R15: 0000000000000008
FS:  0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9c3c358060 CR3: 000000010cf04000 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: 520 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: 520 Comm: kworker/u8:57 Tainted: G        W          syzkaller #0 17468f79762d441aae0c9e322606c977245b4172
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 9f ce f1 fc 48 8b 3b e8 b7 bf dc fc 5b 41 5c 41 5d 41 5e 41 5f 5d e9 18 88 b7 00 cc e8 22 1b 99 fc <0f> 0b e9 b0 fd ff ff e8 16 1b 99 fc 0f 0b e9 18 fe ff ff e8 0a 1b
RSP: 0018:ffffc9000de97b70 EFLAGS: 00010293
RAX: ffffffff84ee56ce RBX: ffff888104ba8000 RCX: ffff88813b10b900
RDX: 0000000000000000 RSI: 0000000000c00000 RDI: ffff88813b10b900
RBP: ffffc9000de97b98 R08: ffffffff87d41c27 R09: 1ffffffff0fa8384
R10: dffffc0000000000 R11: fffffbfff0fa8385 R12: 1ffffffff0fa80d8
R13: dffffc0000000000 R14: ffff888104ba8c00 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fcaf71ed2f8 CR3: 000000010ba8c000 CR4: 00000000003526b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 00000000fda3b69a 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 ]---