------------[ cut here ]------------ WARNING: CPU: 1 PID: 1288 at net/ipv4/tcp_ipv4.c:3521 tcp_sk_exit_batch+0xc1/0x130 net/ipv4/tcp_ipv4.c:3521 Modules linked in: CPU: 1 UID: 0 PID: 1288 Comm: kworker/u8:7 Not tainted 6.11.0-rc3-syzkaller-00011-g100bff23818e #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 ae 2b 71 f7 83 fd 01 75 07 e8 64 27 71 f7 eb 16 31 ff 89 ee e8 99 2b 71 f7 85 ed 7e 39 e8 50 27 71 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:ffffc900046b7a88 EFLAGS: 00010293 RAX: ffffffff8a225040 RBX: ffff888024d61e68 RCX: ffff8880235d1e00 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: 0000000000000002 R08: ffffffff8a225037 R09: 1ffff110049ac478 R10: dffffc0000000000 R11: ffffed10049ac479 R12: ffff888024d623c0 R13: dffffc0000000000 R14: ffffc900046b7b20 R15: ffff888024d61dc0 FS: 0000000000000000(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffb65ce52d8 CR3: 000000005fb6c000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 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