º: left promiscuous mode veth0_vlan: 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: fs/proc/proc_sysctl.c:1558 at retire_sysctl_set+0x48/0x60 fs/proc/proc_sysctl.c:1558, CPU#0: kworker/u8:3/23841 Modules linked in: CPU: 0 UID: 0 PID: 23841 Comm: kworker/u8:3 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 a0 e8 c4 ff 48 83 3b 00 75 0c e8 65 c8 5e ff 5b e9 7f 40 fa 08 cc e8 59 c8 5e 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:ffffc9000d2af8d0 EFLAGS: 00010293 RAX: ffffffff82622f67 RBX: ffff88806dca8388 RCX: ffff888054d61e80 RDX: 0000000000000000 RSI: ffffffff8d975f6e RDI: ffff88806dca8328 RBP: ffffc9000d2af9b0 R08: ffffffff8f822277 R09: 1ffffffff1f0444e R10: dffffc0000000000 R11: ffffffff8b160770 R12: ffffffff8f621ac0 R13: 1ffff92001a55f40 R14: ffffffff8f621aa0 R15: ffff88806dca80a8 FS: 0000000000000000(0000) GS:ffff888125e1f000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8acd7b6ad8 CR3: 000000000dd3a000 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+0x4d8/0x7a0 net/core/net_namespace.c:696 process_one_work kernel/workqueue.c:3257 [inline] process_scheduled_works+0xad1/0x1770 kernel/workqueue.c:3340 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3421 kthread+0x711/0x8a0 kernel/kthread.c:463 ret_from_fork+0x510/0xa50 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246