------------[ cut here ]------------
WARNING: CPU: 0 PID: 12 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: 12 Comm: kworker/u8:0 Not tainted syzkaller #0 3b62e6afc526b595ceee21a395d0bcf22df4c572
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Workqueue: netns cleanup_net
RIP: 0010:xfrm6_tunnel_net_exit+0xc4/0x140 net/ipv6/xfrm6_tunnel.c:341
Code: e8 a1 7e d9 fc 4b 83 3c 3e 00 75 19 e8 c5 51 81 fc 49 81 ff f8 07 00 00 74 1b e8 b7 51 81 fc 49 83 c7 08 eb c9 e8 ac 51 81 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:ffffc900000c7b90 EFLAGS: 00010293
RAX: ffffffff85065904 RBX: ffff88812f668000 RCX: ffff888102652600
RDX: 0000000000000000 RSI: 0000000000400000 RDI: ffff888101bcc0b8
RBP: ffffc900000c7bb0 R08: ffffffff87d380c7 R09: 1ffffffff0fa7018
R10: dffffc0000000000 R11: fffffbfff0fa7019 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff888101bcc000 R15: 00000000000000b8
FS:  0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2d31cff8 CR3: 0000000116b30000 CR4: 00000000003526b0
Call Trace:
 <TASK>
 ops_exit_list net/core/net_namespace.c:173 [inline]
 cleanup_net+0x6c0/0xc90 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+0x2c9/0x370 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: 12 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: 12 Comm: kworker/u8:0 Tainted: G        W          syzkaller #0 3b62e6afc526b595ceee21a395d0bcf22df4c572
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
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 70 51 81 fc 49 81 ff f8 07 00 00 74 1b e8 62 51 81 fc 49 83 c7 08 eb c5 e8 57 51 81 fc <0f> 0b 49 81 ff f8 07 00 00 75 e5 e8 47 51 81 fc 5b 41 5c 41 5e 41
RSP: 0018:ffffc900000c7b90 EFLAGS: 00010293
RAX: ffffffff85065959 RBX: ffff888101bcc800 RCX: ffff888102652600
RDX: 0000000000000000 RSI: 0000000000400000 RDI: ffff888101bcc808
RBP: ffffc900000c7bb0 R08: ffffffff87d380c7 R09: 1ffffffff0fa7018
R10: dffffc0000000000 R11: fffffbfff0fa7019 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff888101bcc000 R15: 0000000000000008
FS:  0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffebb1beff8 CR3: 0000000107ace000 CR4: 00000000003526b0
Call Trace:
 <TASK>
 ops_exit_list net/core/net_namespace.c:173 [inline]
 cleanup_net+0x6c0/0xc90 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+0x2c9/0x370 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: 12 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: 12 Comm: kworker/u8:0 Tainted: G        W          syzkaller #0 3b62e6afc526b595ceee21a395d0bcf22df4c572
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
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 9f 48 f4 fc 48 8b 3b e8 07 71 df fc 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 b2 1b 9c fc <0f> 0b e9 b0 fd ff ff e8 a6 1b 9c fc 0f 0b e9 18 fe ff ff e8 9a 1b
RSP: 0018:ffffc900000c7b70 EFLAGS: 00010293
RAX: ffffffff84eb8efe RBX: ffff88812f668000 RCX: ffff888102652600
RDX: 0000000000000000 RSI: 0000000000c00000 RDI: ffff888102652600
RBP: ffffc900000c7b98 R08: ffffffff87d380c7 R09: 1ffffffff0fa7018
R10: dffffc0000000000 R11: fffffbfff0fa7019 R12: 1ffffffff0fa6d68
R13: dffffc0000000000 R14: ffff88812f668c00 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffebb1beff8 CR3: 0000000107ace000 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+0x6c0/0xc90 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+0x2c9/0x370 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 ]---