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: 3598 at net/ipv4/inet_connection_sock.c:525 inet_csk_get_port+0x1148/0x1ad0 net/ipv4/inet_connection_sock.c:525 Modules linked in: CPU: 1 PID: 3598 Comm: syz-executor285 Not tainted 5.18.0-rc7-syzkaller-01833-gaa5334b1f968 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:inet_csk_get_port+0x1148/0x1ad0 net/ipv4/inet_connection_sock.c:525 Code: 07 00 00 48 8b 44 24 28 4c 89 ee 48 8b 78 18 e8 2e d1 fe ff e9 0f ff ff ff e8 f4 59 a6 f9 0f 0b e9 ae fa ff ff e8 e8 59 a6 f9 <0f> 0b e9 de fa ff ff e8 dc 59 a6 f9 e8 a7 ed 9d 01 31 ff 89 c3 89 RSP: 0018:ffffc90002f4fbf8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff888022f6a100 RCX: 0000000000000000 RDX: ffff88801e6fbb00 RSI: ffffffff87d2dff8 RDI: ffff88801e2e06a8 RBP: ffff88801e2e06a0 R08: 0000000000000001 R09: 0000000000000000 R10: ffffffff87d2c485 R11: 0000000000000000 R12: 0000000000000000 R13: ffff888022f6a100 R14: 0000000000000000 R15: ffff88801e2e0000 FS: 000055555578e300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000005defd8 CR3: 000000001ce0b000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: inet_csk_listen_start+0x13e/0x3c0 net/ipv4/inet_connection_sock.c:1178 inet_listen+0x231/0x640 net/ipv4/af_inet.c:228 __sys_listen+0x17d/0x250 net/socket.c:1778 __do_sys_listen net/socket.c:1787 [inline] __se_sys_listen net/socket.c:1785 [inline] __x64_sys_listen+0x50/0x70 net/socket.c:1785 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f9112cccd09 Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffca7006048 EFLAGS: 00000246 ORIG_RAX: 0000000000000032 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9112cccd09 RDX: ffffffffffffffc0 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 00007f9112c90eb0 R08: 000000000000001c R09: 000000000000001c R10: 0000000020001540 R11: 0000000000000246 R12: 00007f9112c90f40 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000