------------[ cut here ]------------ WARNING: CPU: 0 PID: 1109 at net/ipv4/tcp_ipv4.c:3521 tcp_sk_exit_batch+0xc1/0x130 net/ipv4/tcp_ipv4.c:3521 Modules linked in: CPU: 0 PID: 1109 Comm: kworker/u8:5 Not tainted 6.10.0-syzkaller-04484-g13c9b702e6cb #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 Workqueue: netns cleanup_net RIP: 0010:tcp_sk_exit_batch+0xc1/0x130 net/ipv4/tcp_ipv4.c:3521 Code: 01 00 00 00 89 ee e8 3e e4 9d f7 83 fd 01 75 07 e8 f4 df 9d f7 eb 16 31 ff 89 ee e8 29 e4 9d f7 85 ed 7e 39 e8 e0 df 9d f7 90 <0f> 0b 90 4c 89 ff e8 b4 61 01 00 48 89 d8 48 c1 e8 03 42 80 3c 28 RSP: 0018:ffffc900045e7a88 EFLAGS: 00010293 RAX: ffffffff89f87c20 RBX: ffff888022b6d9e8 RCX: ffff8880222b3c00 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: 0000000000000002 R08: ffffffff89f87c17 R09: 1ffff1100456dbe8 R10: dffffc0000000000 R11: ffffed100456dbe9 R12: ffff888022b6df40 R13: dffffc0000000000 R14: ffffc900045e7b20 R15: ffff888022b6d940 FS: 0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fdc848356b8 CR3: 000000002c160000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: ops_exit_list net/core/net_namespace.c:178 [inline] cleanup_net+0x89d/0xcc0 net/core/net_namespace.c:640 process_one_work kernel/workqueue.c:3231 [inline] process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3312 worker_thread+0x86d/0xd40 kernel/workqueue.c:3390 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244