__sock_create+0x359/0x790 net/socket.c:1543 sock_create net/socket.c:1594 [inline] __sys_socket_create net/socket.c:1631 [inline] __sys_socket_create net/socket.c:1616 [inline] __sys_socket+0x133/0x250 net/socket.c:1664 __do_sys_socket net/socket.c:1677 [inline] __se_sys_socket net/socket.c:1675 [inline] __x64_sys_socket+0x73/0xb0 net/socket.c:1675 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: 5879 at lib/ref_tracker.c:39 spin_unlock_irqrestore include/linux/spinlock.h:405 [inline] WARNING: CPU: 0 PID: 5879 at lib/ref_tracker.c:39 ref_tracker_dir_exit.cold+0x137/0x1e3 lib/ref_tracker.c:38 Modules linked in: CPU: 1 PID: 5879 Comm: kworker/u4:9 Not tainted 6.2.0-rc8-syzkaller-02382-gf2b6cfda76d2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 Workqueue: netns cleanup_net RIP: 0010:ref_tracker_dir_exit.cold+0x137/0x1e3 lib/ref_tracker.c:39 Code: 4c 89 ef e8 1d 9e fa f7 4c 8b 3c 24 4c 39 fd 49 8b 07 0f 85 b5 00 00 00 e8 f8 1a aa f7 48 8b 74 24 10 4c 89 e7 e8 2b 38 38 00 <0f> 0b e9 7d 7e 65 fa 4c 89 ff e8 ec 9d fa f7 e9 d4 fe ff ff e8 c2 RSP: 0018:ffffc9000627fc00 EFLAGS: 00010246 RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000 RDX: 0000000000000001 RSI: 0000000000000001 RDI: 0000000000000001 RBP: ffff88801c60d850 R08: 0000000000000001 R09: ffffffff91379bc7 R10: 0000000000000001 R11: 0000000000000000 R12: ffff88801c60d800 R13: ffff88801c60d850 R14: ffff88801c60d850 R15: ffff88801c60d850 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f33de387218 CR3: 0000000026bcd000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: net_free net/core/net_namespace.c:447 [inline] net_free net/core/net_namespace.c:441 [inline] cleanup_net+0x8bb/0xb10 net/core/net_namespace.c:634 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