rds_tcp_listen_init+0xba/0x4e0 net/rds/tcp_listen.c:275
 rds_tcp_init_net+0x21d/0x4f0 net/rds/tcp.c:576
 ops_init+0xb9/0x670 net/core/net_namespace.c:135
 setup_net+0x793/0xe60 net/core/net_namespace.c:333
 copy_net_ns+0x31b/0x6b0 net/core/net_namespace.c:483
 create_new_namespaces+0x3f6/0xb20 kernel/nsproxy.c:110
 unshare_nsproxy_namespaces+0xc5/0x1f0 kernel/nsproxy.c:228
 ksys_unshare+0x449/0x920 kernel/fork.c:3202
 __do_sys_unshare kernel/fork.c:3273 [inline]
 __se_sys_unshare kernel/fork.c:3271 [inline]
 __x64_sys_unshare+0x31/0x40 kernel/fork.c:3271
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
------------[ cut here ]------------
WARNING: CPU: 0 PID: 46 at lib/ref_tracker.c:39 spin_unlock_irqrestore include/linux/spinlock.h:405 [inline]
WARNING: CPU: 0 PID: 46 at lib/ref_tracker.c:39 ref_tracker_dir_exit.cold+0x137/0x1e3 lib/ref_tracker.c:38
Modules linked in:
CPU: 0 PID: 46 Comm: kworker/u4:3 Not tainted 6.2.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
Workqueue: netns cleanup_net
RIP: 0010:ref_tracker_dir_exit.cold+0x137/0x1e3 lib/ref_tracker.c:39
Code: 4c 89 ef e8 8d fc fd f7 4c 8b 3c 24 4c 39 fd 49 8b 07 0f 85 b5 00 00 00 e8 68 f1 af f7 48 8b 74 24 10 4c 89 e7 e8 2b 2e 38 00 <0f> 0b e9 fd a3 68 fa 4c 89 ff e8 5c fc fd f7 e9 d4 fe ff ff e8 32
RSP: 0018:ffffc90000b77c00 EFLAGS: 00010246
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 0000000000000001 RSI: 0000000000000001 RDI: 0000000000000001
RBP: ffff88801c870210 R08: 0000000000000001 R09: ffffffff91339bc7
R10: 0000000000000001 R11: 0000000000000000 R12: ffff88801c8701c0
R13: ffff88801c870210 R14: ffff88801c870210 R15: ffff88801c870210
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd4e14d5a8 CR3: 000000002b1ab000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 net_free net/core/net_namespace.c:442 [inline]
 net_free net/core/net_namespace.c:436 [inline]
 cleanup_net+0x8bb/0xb10 net/core/net_namespace.c:627
 process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289
 worker_thread+0x669/0x1090 kernel/workqueue.c:2436
 kthread+0x2e8/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>