sock_create net/socket.c:1591 [inline] __sys_socket_create net/socket.c:1628 [inline] __sys_socket_create net/socket.c:1613 [inline] __sys_socket+0x133/0x250 net/socket.c:1661 __do_sys_socket net/socket.c:1674 [inline] __se_sys_socket net/socket.c:1672 [inline] __x64_sys_socket+0x73/0xb0 net/socket.c:1672 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: 11 at lib/ref_tracker.c:39 spin_unlock_irqrestore include/linux/spinlock.h:405 [inline] WARNING: CPU: 0 PID: 11 at lib/ref_tracker.c:39 ref_tracker_dir_exit.cold+0x137/0x1e3 lib/ref_tracker.c:38 Modules linked in: CPU: 1 PID: 11 Comm: kworker/u4:1 Not tainted 6.2.0-rc5-syzkaller-01021-g07dcbd7325ce #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 18 17 fd f7 4c 8b 3c 24 4c 39 fd 49 8b 07 0f 85 b5 00 00 00 e8 73 bf ae f7 48 8b 74 24 10 4c 89 e7 e8 96 2b 38 00 <0f> 0b e9 18 d4 67 fa 4c 89 ff e8 e7 16 fd f7 e9 d4 fe ff ff e8 bd RSP: 0018:ffffc90000107c00 EFLAGS: 00010246 RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000 RDX: 0000000000000001 RSI: 0000000000000001 RDI: 0000000000000001 RBP: ffff8880503f3b90 R08: 0000000000000001 R09: ffffffff91341bcf R10: 0000000000000001 R11: 0000000000000000 R12: ffff8880503f3b40 R13: ffff8880503f3b90 R14: ffff8880503f3b90 R15: ffff8880503f3b90 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8695ba499c CR3: 000000000c48e000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: 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