------------[ 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 de3e1d1c5728fabb050931035751e453f935abb5
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
Workqueue: netns cleanup_net
RIP: 0010:xfrm6_tunnel_net_exit+0xc4/0x140 net/ipv6/xfrm6_tunnel.c:341
Code: e8 81 38 d9 fc 4b 83 3c 3e 00 75 19 e8 75 f9 80 fc 49 81 ff f8 07 00 00 74 1b e8 67 f9 80 fc 49 83 c7 08 eb c9 e8 5c f9 80 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: ffffffff8506b354 RBX: ffff888110364700 RCX: ffff88810ae5df00
RDX: 0000000000000000 RSI: 0000000000c00000 RDI: ffff88811459c588
RBP: ffffc900002ffbb0 R08: ffffffff87d38f87 R09: 1ffffffff0fa71f0
R10: dffffc0000000000 R11: fffffbfff0fa71f1 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff88811459c000 R15: 0000000000000588
FS:  0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f46adb456b8 CR3: 0000000102b48000 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:3238 [inline]
 process_scheduled_works+0x7d1/0x1020 kernel/workqueue.c:3319
 worker_thread+0xc70/0x10b0 kernel/workqueue.c:3400
 kthread+0x2c6/0x370 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/ipv6/xfrm6_tunnel.c:344 xfrm6_tunnel_net_exit+0x119/0x140 net/ipv6/xfrm6_tunnel.c:344
Modules linked in:
CPU: 0 UID: 0 PID: 46 Comm: kworker/u8:2 Tainted: G        W          syzkaller #0 de3e1d1c5728fabb050931035751e453f935abb5
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
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 f9 80 fc 49 81 ff f8 07 00 00 74 1b e8 12 f9 80 fc 49 83 c7 08 eb c5 e8 07 f9 80 fc <0f> 0b 49 81 ff f8 07 00 00 75 e5 e8 f7 f8 80 fc 5b 41 5c 41 5e 41
RSP: 0018:ffffc900002ffb90 EFLAGS: 00010293
RAX: ffffffff8506b3a9 RBX: ffff88811459c800 RCX: ffff88810ae5df00
RDX: 0000000000000000 RSI: 0000000000c00000 RDI: ffff88811459c808
RBP: ffffc900002ffbb0 R08: ffffffff87d38f87 R09: 1ffffffff0fa71f0
R10: dffffc0000000000 R11: fffffbfff0fa71f1 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff88811459c000 R15: 0000000000000008
FS:  0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f46adb456b8 CR3: 0000000102b48000 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:3238 [inline]
 process_scheduled_works+0x7d1/0x1020 kernel/workqueue.c:3319
 worker_thread+0xc70/0x10b0 kernel/workqueue.c:3400
 kthread+0x2c6/0x370 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/xfrm/xfrm_state.c:3216 xfrm_state_fini+0x2be/0x310 net/xfrm/xfrm_state.c:3216
Modules linked in:
CPU: 1 UID: 0 PID: 46 Comm: kworker/u8:2 Tainted: G        W          syzkaller #0 de3e1d1c5728fabb050931035751e453f935abb5
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
Workqueue: netns cleanup_net
RIP: 0010:xfrm_state_fini+0x2be/0x310 net/xfrm/xfrm_state.c:3216
Code: 3c 20 00 74 08 48 89 df e8 7f 04 f4 fc 48 8b 3b e8 57 26 df fc 5b 41 5c 41 5d 41 5e 41 5f 5d e9 58 cb b7 00 cc e8 62 c5 9b fc <0f> 0b e9 b0 fd ff ff e8 56 c5 9b fc 0f 0b e9 18 fe ff ff e8 4a c5
RSP: 0018:ffffc900002ffb70 EFLAGS: 00010293
RAX: ffffffff84ebe74e RBX: ffff888110364700 RCX: ffff88810ae5df00
RDX: 0000000000000000 RSI: 0000000000c00000 RDI: ffff88810ae5df00
RBP: ffffc900002ffb98 R08: ffffffff87d38f87 R09: 1ffffffff0fa71f0
R10: dffffc0000000000 R11: fffffbfff0fa71f1 R12: 1ffffffff0fa6f40
R13: dffffc0000000000 R14: ffff888110365300 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f46adb456b8 CR3: 000000010cf0e000 CR4: 00000000003526b0
Call Trace:
 <TASK>
 xfrm_net_exit+0x31/0x80 net/xfrm/xfrm_policy.c:4342
 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:3238 [inline]
 process_scheduled_works+0x7d1/0x1020 kernel/workqueue.c:3319
 worker_thread+0xc70/0x10b0 kernel/workqueue.c:3400
 kthread+0x2c6/0x370 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 ]---