tipc: Left network mode hsr_slave_0: left promiscuous mode team0 (unregistering): Port device team_slave_1 removed team0 (unregistering): Port device team_slave_0 removed IPVS: stop unused estimator thread 0... ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6049 at fs/proc/proc_sysctl.c:1558 retire_sysctl_set+0x48/0x60 fs/proc/proc_sysctl.c:1558 Modules linked in: CPU: 1 UID: 0 PID: 6049 Comm: kworker/u8:19 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 Workqueue: netns cleanup_net RIP: 0010:retire_sysctl_set+0x48/0x60 fs/proc/proc_sysctl.c:1558 Code: 00 fc ff df 80 3c 08 00 74 08 48 89 df e8 60 60 c6 ff 48 83 3b 00 75 0c e8 b5 9e 60 ff 5b e9 7f df e9 08 cc e8 a9 9e 60 ff 90 <0f> 0b 90 5b c3 cc cc cc cc cc 66 66 66 66 66 2e 0f 1f 84 00 00 00 RSP: 0018:ffffc9000adb78b0 EFLAGS: 00010293 RAX: ffffffff825f6527 RBX: ffff8880309f0318 RCX: ffff8880254b9e40 RDX: 0000000000000000 RSI: ffffffff8d8f4bf2 RDI: ffff8880309f02b8 RBP: ffffc9000adb7990 R08: ffffffff8f7ce877 R09: 1ffffffff1ef9d0e R10: dffffc0000000000 R11: ffffffff8b03d2f0 R12: ffffffff8f5cf640 R13: 1ffff920015b6f3c R14: ffffffff8f5cf620 R15: ffff8880309f00a8 FS: 0000000000000000(0000) GS:ffff88812623b000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9fa9be1d58 CR3: 000000000dd38000 CR4: 00000000003526f0 Call Trace: ops_exit_list net/core/net_namespace.c:199 [inline] ops_undo_list+0x49a/0x990 net/core/net_namespace.c:252 cleanup_net+0x4d8/0x820 net/core/net_namespace.c:695 process_one_work kernel/workqueue.c:3263 [inline] process_scheduled_works+0xae1/0x17b0 kernel/workqueue.c:3346 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3427 kthread+0x711/0x8a0 kernel/kthread.c:463 ret_from_fork+0x4bc/0x870 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245