------------[ cut here ]------------
WARNING: CPU: 1 PID: 389 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: 389 Comm: kworker/u8:4 Not tainted syzkaller #0 24d49bbd58fde8b05052ac524e35fadc70590708
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Workqueue: netns cleanup_net
RIP: 0010:xfrm6_tunnel_net_exit+0xc4/0x140 net/ipv6/xfrm6_tunnel.c:341
Code: e8 c1 62 d6 fc 4b 83 3c 3e 00 75 19 e8 45 9e 7d fc 49 81 ff f8 07 00 00 74 1b e8 37 9e 7d fc 49 83 c7 08 eb c9 e8 2c 9e 7d 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:ffffc9000db87b90 EFLAGS: 00010293
RAX: ffffffff8509d394 RBX: ffff8881266e3540 RCX: ffff888115dfdf00
RDX: 0000000000000000 RSI: 0000000000400000 RDI: ffff888102bf87e0
RBP: ffffc9000db87bb0 R08: ffffffff87d427e7 R09: 1ffffffff0fa84fc
R10: dffffc0000000000 R11: fffffbfff0fa84fd R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff888102bf8000 R15: 00000000000007e0
FS:  0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff5c9deb7c0 CR3: 0000000119a86000 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: 389 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: 389 Comm: kworker/u8:4 Tainted: G        W          syzkaller #0 24d49bbd58fde8b05052ac524e35fadc70590708
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
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 9d 7d fc 49 81 ff f8 07 00 00 74 1b e8 e2 9d 7d fc 49 83 c7 08 eb c5 e8 d7 9d 7d fc <0f> 0b 49 81 ff f8 07 00 00 75 e5 e8 c7 9d 7d fc 5b 41 5c 41 5e 41
RSP: 0018:ffffc9000db87b90 EFLAGS: 00010293
RAX: ffffffff8509d3e9 RBX: ffff888102bf8800 RCX: ffff888115dfdf00
RDX: 0000000000000000 RSI: 0000000000400000 RDI: ffff888102bf8808
RBP: ffffc9000db87bb0 R08: ffffffff87d427e7 R09: 1ffffffff0fa84fc
R10: dffffc0000000000 R11: fffffbfff0fa84fd R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff888102bf8000 R15: 0000000000000008
FS:  0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff5c9deb7c0 CR3: 0000000119a86000 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: 389 at net/xfrm/xfrm_state.c:3217 xfrm_state_fini+0x2be/0x310 net/xfrm/xfrm_state.c:3217
Modules linked in:
CPU: 1 UID: 0 PID: 389 Comm: kworker/u8:4 Tainted: G        W          syzkaller #0 24d49bbd58fde8b05052ac524e35fadc70590708
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
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 20 f1 fc 48 8b 3b e8 27 13 dc fc 5b 41 5c 41 5d 41 5e 41 5f 5d e9 98 89 b7 00 cc e8 72 5c 98 fc <0f> 0b e9 b0 fd ff ff e8 66 5c 98 fc 0f 0b e9 18 fe ff ff e8 5a 5c
RSP: 0018:ffffc9000db87b70 EFLAGS: 00010293
RAX: ffffffff84ef154e RBX: ffff8881266e3540 RCX: ffff888115dfdf00
RDX: 0000000000000000 RSI: 0000000000400000 RDI: ffff888115dfdf00
RBP: ffffc9000db87b98 R08: ffffffff87d427e7 R09: 1ffffffff0fa84fc
R10: dffffc0000000000 R11: fffffbfff0fa84fd R12: 1ffffffff0fa8250
R13: dffffc0000000000 R14: ffff8881266e4140 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff5c9deb7c0 CR3: 0000000128d64000 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+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 ]---