8021q: adding VLAN 0 to HW filter on device team0 TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. general protection fault: 0000 [#1] SMP KASAN CPU: 1 PID: 6232 Comm: syz-executor983 Not tainted 4.18.0-rc8-next-20180807+ #33 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:smc_ioctl+0xc25/0x1250 net/smc/af_smc.c:1763 TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. Code: 48 c1 e9 03 80 3c 11 00 0f 85 e9 04 00 00 4c 8b bb a0 04 00 00 48 ba 00 00 00 00 00 fc ff df 49 8d 7f 20 48 89 f9 48 c1 e9 03 <0f> b6 14 11 84 d2 74 09 80 fa 03 0f 8e 8a 04 00 00 49 8d 7d 02 41 RSP: 0018:ffff8801c84675c8 EFLAGS: 00010202 RAX: ffff8801c8467648 RBX: ffff8801c758f140 RCX: 0000000000000004 TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. RDX: dffffc0000000000 RSI: 1ffff1003908cec9 RDI: 0000000000000020 RBP: ffff8801c84679b0 R08: ffffed003908ceca R09: ffffed003908cec9 R10: ffffed003908cec9 R11: ffff8801c846764f R12: 1ffff1003908cebd R13: ffff8801c8467608 R14: 0000000020000100 R15: 0000000000000000 FS: 00007f84c0429700(0000) GS:ffff8801db100000(0000) knlGS:0000000000000000 TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f92e7b68a8c CR3: 00000001d7e44000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. sock_do_ioctl+0xe4/0x3e0 net/socket.c:950 TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. sock_ioctl+0x30d/0x680 net/socket.c:1074 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0x1de/0x1720 fs/ioctl.c:685 TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. ksys_ioctl+0xa9/0xd0 fs/ioctl.c:702 __do_sys_ioctl fs/ioctl.c:709 [inline] __se_sys_ioctl fs/ioctl.c:707 [inline] __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:707 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x447099 Code: e8 ac e7 ff ff 48 83 c4 18 c3 0f 1f 80 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 0f 83 bb 02 fc ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f84c0428db8 EFLAGS: 00000246 TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00000000006dcc38 RCX: 0000000000447099 RDX: 0000000020000100 RSI: 0000000000008905 RDI: 0000000000000004 RBP: 00000000006dcc30 R08: 00007f84c0429700 R09: 0000000000000000 R10: 00007f84c0429700 R11: 0000000000000246 R12: 00000000006dcc3c R13: 00007ffd95dbba8f R14: 00007f84c04299c0 R15: 00000000006dcc30 Modules linked in: Dumping ftrace buffer: TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. (ftrace buffer empty) ---[ end trace 9dd87615071f06f1 ]--- TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. RIP: 0010:smc_ioctl+0xc25/0x1250 net/smc/af_smc.c:1763 Code: 48 c1 e9 03 80 3c 11 00 0f 85 e9 04 00 00 4c 8b bb a0 04 00 00 48 ba 00 00 00 00 00 fc ff df 49 8d 7f 20 48 89 f9 48 c1 e9 03 <0f> b6 14 11 84 d2 74 09 80 fa 03 0f 8e 8a 04 00 00 49 8d 7d 02 41 TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. RSP: 0018:ffff8801c84675c8 EFLAGS: 00010202 RAX: ffff8801c8467648 RBX: ffff8801c758f140 RCX: 0000000000000004 RDX: dffffc0000000000 RSI: 1ffff1003908cec9 RDI: 0000000000000020 RBP: ffff8801c84679b0 R08: ffffed003908ceca R09: ffffed003908cec9 kasan: CONFIG_KASAN_INLINE enabled R10: ffffed003908cec9 R11: ffff8801c846764f R12: 1ffff1003908cebd R13: ffff8801c8467608 R14: 0000000020000100 R15: 0000000000000000 FS: 00007f84c0429700(0000) GS:ffff8801db100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f92e7b68a8c CR3: 00000001d7e44000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 kasan: GPF could be caused by NULL-ptr deref or user memory access DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400