nf_conntrack: default automatic helper assignment has been turned off for security reasons and CT-based firewall rule not found. Use the iptables CT target to attach helpers instead. ------------[ cut here ]------------ WARNING: CPU: 1 PID: 3596 at net/core/stream.c:205 sk_stream_kill_queues+0x2eb/0x3d0 net/core/stream.c:205 Modules linked in: CPU: 1 PID: 3596 Comm: syz-executor022 Not tainted 5.17.0-rc1-syzkaller-00603-g9c30918925d7 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:sk_stream_kill_queues+0x2eb/0x3d0 net/core/stream.c:205 Code: 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e ec 00 00 00 8b ab 30 02 00 00 e9 60 ff ff ff e8 fe 0a 4e fa 0f 0b eb 97 e8 f5 0a 4e fa <0f> 0b eb a0 e8 ec 0a 4e fa 0f 0b e9 6a fe ff ff e8 90 7b 95 fa e9 RSP: 0018:ffffc90001cdf960 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff8880183f0000 RSI: ffffffff872a525b RDI: 0000000000000003 RBP: 0000000000000fe1 R08: 0000000000000000 R09: ffffffff8ffc49ff R10: ffffffff872a51fb R11: 000000000000000b R12: ffff888021ed1a30 R13: ffffffff908aa040 R14: ffff888021ed1828 R15: ffff888021ed19b8 FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8ebf2945e8 CR3: 000000000b88e000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: inet_csk_destroy_sock+0x1a5/0x440 net/ipv4/inet_connection_sock.c:1009 __tcp_close+0xd5b/0x12b0 net/ipv4/tcp.c:2906 tcp_close+0x29/0xc0 net/ipv4/tcp.c:2918 inet_release+0x12e/0x280 net/ipv4/af_inet.c:428 __sock_release+0xcd/0x280 net/socket.c:650 sock_close+0x18/0x20 net/socket.c:1318 __fput+0x286/0x9f0 fs/file_table.c:311 task_work_run+0xdd/0x1a0 kernel/task_work.c:164 exit_task_work include/linux/task_work.h:32 [inline] do_exit+0xb29/0x2a30 kernel/exit.c:806 do_group_exit+0xd2/0x2f0 kernel/exit.c:935 get_signal+0x4b0/0x28c0 kernel/signal.c:2862 arch_do_signal_or_restart+0x2a9/0x1c40 arch/x86/kernel/signal.c:868 handle_signal_work kernel/entry/common.c:148 [inline] exit_to_user_mode_loop kernel/entry/common.c:172 [inline] exit_to_user_mode_prepare+0x17d/0x290 kernel/entry/common.c:207 __syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline] syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:300 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f8ebf23ee69 Code: Unable to access opcode bytes at RIP 0x7f8ebf23ee3f. RSP: 002b:00007f8ebf1d0318 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007f8ebf2c7438 RCX: 00007f8ebf23ee69 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f8ebf2c7438 RBP: 00007f8ebf2c7430 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8ebf295004 R13: 00007ffd3fba156f R14: 00007f8ebf1d0400 R15: 0000000000022000