------------[ cut here ]------------
WARNING: CPU: 0 PID: 3446 at fs/proc/proc_sysctl.c:1554 retire_sysctl_set+0x3d/0x50 fs/proc/proc_sysctl.c:1554
Modules linked in:
CPU: 0 UID: 0 PID: 3446 Comm: kworker/u8:9 Not tainted 6.13.0-rc2-syzkaller-00159-gf932fb9b4074 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024
Workqueue: netns cleanup_net
RIP: 0010:retire_sysctl_set+0x3d/0x50 fs/proc/proc_sysctl.c:1554
Code: 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 1e 48 8b 43 60 48 85 c0 75 06 5b e9 59 d9 61 ff e8 54 d9 61 ff 90 <0f> 0b 90 5b e9 4a d9 61 ff e8 75 60 c4 ff eb db 0f 1f 00 90 90 90
RSP: 0018:ffffc9000cc97bb0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88807af320d0 RCX: 0000000000000001
RDX: ffff888031cdda00 RSI: ffffffff8237649c RDI: ffff88807af32130
RBP: ffffffff8ad8b8a0 R08: 0000000000000001 R09: fffffbfff2d36999
R10: ffffffff969b4ccf R11: 0000000000000b8f R12: ffffffff8ff76600
R13: ffffc9000cc97c38 R14: dffffc0000000000 R15: fffffbfff1feecc4
FS:  0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3daa2aa378 CR3: 00000000213ec000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ops_exit_list+0xb0/0x180 net/core/net_namespace.c:172
 cleanup_net+0x5b7/0xbd0 net/core/net_namespace.c:648
 process_one_work+0x958/0x1b30 kernel/workqueue.c:3229
 process_scheduled_works kernel/workqueue.c:3310 [inline]
 worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>