------------[ cut here ]------------
WARNING: CPU: 0 PID: 6119 at lib/ref_tracker.c:179 ref_tracker_dir_exit+0x3e3/0x680 lib/ref_tracker.c:179
Modules linked in:
CPU: 0 UID: 0 PID: 6119 Comm: kworker/u8:11 Not tainted 6.13.0-rc5-syzkaller-00004-gccb98ccef0e5 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: netns cleanup_net
RIP: 0010:ref_tracker_dir_exit+0x3e3/0x680 lib/ref_tracker.c:179
Code: 11 02 00 00 4d 39 f5 49 8b 06 4d 89 f7 0f 85 0e ff ff ff 48 8b 2c 24 e8 bb 2d d1 fc 48 8b 74 24 18 48 89 ef e8 ee a4 54 06 90 <0f> 0b 90 e8 a5 2d d1 fc 48 8d 5d 44 be 04 00 00 00 48 89 df e8 34
RSP: 0018:ffffc90003057b38 EFLAGS: 00010246
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 0000000000000001 RSI: ffffffff8bb17080 RDI: 0000000000000001
RBP: ffff88807eb701e0 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff901ce557 R11: 0000000000000b8f R12: ffff88807eb70230
R13: ffff88807eb70230 R14: ffff88807eb70230 R15: ffff88807eb70230
FS:  0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110ca35c3a CR3: 000000002f482000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 net_free net/core/net_namespace.c:473 [inline]
 net_free net/core/net_namespace.c:467 [inline]
 cleanup_net+0x990/0xbd0 net/core/net_namespace.c:671
 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>