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: 6281 Comm: syz-executor186 Not tainted 4.18.0-rc7+ #173 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:smc_tx_prepared_sends+0x2c3/0x550 net/smc/smc_tx.h:27 Code: 48 89 f8 48 c1 e8 03 80 3c 10 00 0f 85 11 02 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b 76 38 49 8d 7e 20 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e de 01 00 00 41 8b 46 20 49 8d RSP: 0018:ffff8801c8447560 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 1ffff10039088eae RCX: dffffc0000000000 RDX: 0000000000000004 RSI: 1ffff10039088eba RDI: 0000000000000020 RBP: ffff8801c8447738 R08: ffffed0039088ebb R09: ffffed0039088eba R10: ffffed0039088eba R11: ffff8801c84475d7 R12: ffff8801c8447710 R13: ffff8801c84475d0 R14: 0000000000000000 R15: ffff8801c8447590 FS: 00007fada0c46700(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: 00007ffdba80dc7c CR3: 00000001ae829000 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: kasan: CONFIG_KASAN_INLINE enabled smc_ioctl+0x36c/0xd90 net/smc/af_smc.c:1565 kasan: GPF could be caused by NULL-ptr deref or user memory access sock_do_ioctl+0xe4/0x3e0 net/socket.c:970 sock_ioctl+0x30d/0x680 net/socket.c:1094 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x1de/0x1720 fs/ioctl.c:684 ksys_ioctl+0xa9/0xd0 fs/ioctl.c:701 __do_sys_ioctl fs/ioctl.c:708 [inline] __se_sys_ioctl fs/ioctl.c:706 [inline] __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:706 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x446a09 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 RSP: 002b:00007fada0c45db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00000000006dcc38 RCX: 0000000000446a09 RDX: 0000000020000140 RSI: 000000000000894b RDI: 0000000000000004 RBP: 00000000006dcc30 R08: 00007fada0c46700 R09: 0000000000000000 R10: 00007fada0c46700 R11: 0000000000000246 R12: 00000000006dcc3c R13: 00007ffdba80e09f R14: 00007fada0c469c0 R15: 00000000006dcc30 Modules linked in: Dumping ftrace buffer: (ftrace buffer empty) general protection fault: 0000 [#2] SMP KASAN ---[ end trace 7a16431e05ebb360 ]--- CPU: 1 PID: 6317 Comm: syz-executor186 Tainted: G D 4.18.0-rc7+ #173 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:smc_tx_prepared_sends+0x2c3/0x550 net/smc/smc_tx.h:27 RIP: 0010:smc_tx_prepared_sends+0x2c3/0x550 net/smc/smc_tx.h:27 Code: 48 89 f8 Code: 48 c1 e8 03 80 48 3c 10 00 0f 85 89 11 02 00 00 f8 48 b8 00 00 48 00 00 00 fc ff c1 df 4d 8b 76 e8 38 49 8d 7e 20 03 48 89 fa 48 80 c1 ea 03 <0f> 3c b6 04 02 84 10 c0 74 08 3c 03 00 0f 8e de 01 00 0f 00 41 8b 46 20 85 49 8d RSP: 0018:ffff8801c4c0f560 EFLAGS: 00010202 11 RAX: dffffc0000000000 RBX: 1ffff10038981eae RCX: dffffc0000000000 RDX: 0000000000000004 RSI: 1ffff10038981eba RDI: 0000000000000020 RBP: ffff8801c4c0f738 R08: ffffed0038981ebb R09: ffffed0038981eba 02 R10: ffffed0038981eba R11: ffff8801c4c0f5d7 R12: ffff8801c4c0f710 R13: ffff8801c4c0f5d0 R14: 0000000000000000 R15: ffff8801c4c0f590 FS: 00007fada0c46700(0000) GS:ffff8801db100000(0000) knlGS:0000000000000000 00 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f723479f9d4 CR3: 00000001b24d0000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 00 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: 48 b8 00 00 00 00 00 smc_ioctl+0x36c/0xd90 net/smc/af_smc.c:1565 fc sock_do_ioctl+0xe4/0x3e0 net/socket.c:970 ff df 4d 8b sock_ioctl+0x30d/0x680 net/socket.c:1094 76 38 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x1de/0x1720 fs/ioctl.c:684 49 8d 7e 20 ksys_ioctl+0xa9/0xd0 fs/ioctl.c:701 __do_sys_ioctl fs/ioctl.c:708 [inline] __se_sys_ioctl fs/ioctl.c:706 [inline] __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:706 48 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 89 fa 48 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x446a09 c1 Code: e8 4c ea e7 ff ff 48 03 83 c4 18 c3 0f <0f> 1f 80 00 00 b6 00 00 48 89 04 f8 48 89 f7 02 48 89 d6 48 89 84 ca 4d 89 c2 c0 4d 89 c8 4c 8b 74 4c 24 08 0f 08 05 <48> 3d 01 3c f0 ff ff 0f 03 83 3b 08 fc 0f ff c3 66 2e 8e 0f 1f 84 00 00 de 00 00 RSP: 002b:00007fada0c45db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 01 RAX: ffffffffffffffda RBX: 00000000006dcc38 RCX: 0000000000446a09 RDX: 0000000020000140 RSI: 000000000000894b RDI: 0000000000000004 RBP: 00000000006dcc30 R08: 00007fada0c46700 R09: 0000000000000000 00 R10: 00007fada0c46700 R11: 0000000000000246 R12: 00000000006dcc3c R13: 00007ffdba80e09f R14: 00007fada0c469c0 R15: 00000000006dcc30 Modules linked in: 00 Dumping ftrace buffer: (ftrace buffer empty) 41 ---[ end trace 7a16431e05ebb361 ]--- 8b RIP: 0010:smc_tx_prepared_sends+0x2c3/0x550 net/smc/smc_tx.h:27 46 20 Code: 49 8d 48 RSP: 0018:ffff8801c8447560 EFLAGS: 00010202 89 RAX: dffffc0000000000 RBX: 1ffff10039088eae RCX: dffffc0000000000 RDX: 0000000000000004 RSI: 1ffff10039088eba RDI: 0000000000000020 f8 RBP: ffff8801c8447738 R08: ffffed0039088ebb R09: ffffed0039088eba R10: ffffed0039088eba R11: ffff8801c84475d7 R12: ffff8801c8447710 48 R13: ffff8801c84475d0 R14: 0000000000000000 R15: ffff8801c8447590 FS: 00007fada0c46700(0000) GS:ffff8801db000000(0000) knlGS:0000000000000000 c1 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffdba80dc7c CR3: 00000001ae829000 CR4: 00000000001406f0 e8 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 03