IPVS: stop unused estimator thread 0...
------------[ cut here ]------------
WARNING: CPU: 1 PID: 48 at net/xfrm/xfrm_state.c:2997 xfrm_state_fini+0x25c/0x2b0 net/xfrm/xfrm_state.c:2997
Modules linked in:
CPU: 1 PID: 48 Comm: kworker/u4:3 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
Workqueue: netns cleanup_net
RIP: 0010:xfrm_state_fini+0x25c/0x2b0 net/xfrm/xfrm_state.c:2997
Code: 5c 41 5d 41 5e 41 5f 5d e9 81 20 00 00 e8 ec d9 66 f8 0f 0b e9 2c fe ff ff e8 e0 d9 66 f8 0f 0b e9 91 fe ff ff e8 d4 d9 66 f8 <0f> 0b 43 80 3c 2c 00 0f 85 fa fe ff ff e9 fd fe ff ff e8 bd d9 66
RSP: 0018:ffffc90000b8fa98 EFLAGS: 00010293
RAX: ffffffff891eb66c RBX: ffff88802f7bba80 RCX: ffff88801a241e00
RDX: 0000000000000000 RSI: ffffffff8aaabca0 RDI: ffffffff8afc72c0
RBP: 0000000000000040 R08: ffffffff90da750f R09: 1ffffffff21b4ea1
R10: dffffc0000000000 R11: fffffbfff21b4ea2 R12: 1ffff11005ef79c4
R13: dffffc0000000000 R14: ffff88802f7bce20 R15: ffff8880610ac400
FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055e0988b8000 CR3: 0000000068ab8000 CR4: 00000000003506e0
Call Trace:
 <TASK>
 xfrm_net_exit+0x25/0x60 net/xfrm/xfrm_policy.c:4276
 ops_exit_list net/core/net_namespace.c:173 [inline]
 cleanup_net+0x6f4/0xb90 net/core/net_namespace.c:652
 process_one_work kernel/workqueue.c:2634 [inline]
 process_scheduled_works+0xa45/0x15b0 kernel/workqueue.c:2711
 worker_thread+0xa55/0xfc0 kernel/workqueue.c:2792
 kthread+0x2fa/0x390 kernel/kthread.c:388
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293
 </TASK>