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. 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 general protection fault: 0000 [#1] SMP KASAN CPU: 0 PID: 6194 Comm: syz-executor161 Not tainted 4.18.0-rc7-next-20180802+ #30 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:smc_tx_prepared_sends net/smc/smc_tx.h:27 [inline] RIP: 0010:smc_ioctl+0x5d4/0x1250 net/smc/af_smc.c:1750 Code: 48 c1 ea 03 80 3c 02 00 0f 85 7c 0c 00 00 4c 8b ab 98 04 00 00 48 b8 00 00 00 00 00 fc ff df 49 8d 7d 20 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e ca 0b 00 00 41 8b 45 20 49 8d RSP: 0018:ffff8801c96775c8 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff8801ca123140 RCX: 1ffff100392ceed9 RDX: 0000000000000004 RSI: 1ffff100392ceef9 RDI: 0000000000000020 RBP: ffff8801c96779b0 R08: ffffed00392ceeda R09: ffffed00392ceed9 R10: ffffed00392ceed9 R11: ffff8801c96776cf R12: 1ffff100392ceebd R13: 0000000000000000 R14: 0000000020000140 R15: ffff8801c9677688 FS: 00007f816ddf6700(0000) GS:ffff8801db000000(0000) knlGS:0000000000000000 TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd2d9dac4c0 CR3: 00000001c4787000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 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 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. 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 TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. __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: 0033:0x446969 Code: e8 4c 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 3b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. RSP: 002b:00007f816ddf5db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00000000006dcc38 RCX: 0000000000446969 RDX: 0000000020000140 RSI: 000000000000894b RDI: 0000000000000004 RBP: 00000000006dcc30 R08: 00007f816ddf6700 R09: 0000000000000000 R10: 00007f816ddf6700 R11: 0000000000000246 R12: 00000000006dcc3c TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. R13: 00007ffcf79ed4ff R14: 00007f816ddf69c0 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 15aca21d9c1aa688 ]--- TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. RIP: 0010:smc_tx_prepared_sends net/smc/smc_tx.h:27 [inline] RIP: 0010:smc_ioctl+0x5d4/0x1250 net/smc/af_smc.c:1750 kasan: CONFIG_KASAN_INLINE enabled Code: 48 c1 ea 03 80 3c 02 00 0f 85 7c 0c 00 00 4c 8b ab 98 04 00 00 48 b8 00 00 00 00 00 fc ff df 49 8d 7d 20 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e ca 0b 00 00 41 8b 45 20 49 8d RSP: 0018:ffff8801c96775c8 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff8801ca123140 RCX: 1ffff100392ceed9 RDX: 0000000000000004 RSI: 1ffff100392ceef9 RDI: 0000000000000020 kasan: GPF could be caused by NULL-ptr deref or user memory access RBP: ffff8801c96779b0 R08: ffffed00392ceeda R09: ffffed00392ceed9 R10: ffffed00392ceed9 R11: ffff8801c96776cf R12: 1ffff100392ceebd general protection fault: 0000 [#2] SMP KASAN R13: 0000000000000000 R14: 0000000020000140 R15: ffff8801c9677688 CPU: 1 PID: 6258 Comm: syz-executor161 Tainted: G D 4.18.0-rc7-next-20180802+ #30 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 FS: 00007f816ddf6700(0000) GS:ffff8801db000000(0000) knlGS:0000000000000000 RIP: 0010:smc_tx_prepared_sends net/smc/smc_tx.h:27 [inline] RIP: 0010:smc_ioctl+0x5d4/0x1250 net/smc/af_smc.c:1750 Code: 48 c1 ea 03 80 3c 02 00 0f 85 7c 0c 00 00 4c 8b ab 98 04 00 00 48 b8 00 00 00 00 00 fc ff df 49 8d 7d 20 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e ca 0b 00 00 41 8b 45 20 49 8d CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 RSP: 0018:ffff8801a96275c8 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff8801ca122040 RCX: 1ffff100352c4ed9 RDX: 0000000000000004 RSI: 1ffff100352c4ef9 RDI: 0000000000000020 CR2: 00007fd2d9dac4c0 CR3: 00000001c4787000 CR4: 00000000001406f0 RBP: ffff8801a96279b0 R08: ffffed00352c4eda R09: ffffed00352c4ed9 R10: ffffed00352c4ed9 R11: ffff8801a96276cf R12: 1ffff100352c4ebd R13: 0000000000000000 R14: 0000000020000140 R15: ffff8801a9627688 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 FS: 00007f816ddf6700(0000) GS:ffff8801db100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000619570 CR3: 00000001b6954000 CR4: 00000000001406e0 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: