[ 473.148294][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 473.234758][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 473.246833][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 473.318654][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 473.408607][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 473.444960][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 473.646978][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 473.727699][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 473.869821][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 473.948733][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 478.219534][ C1] net_ratelimit: 56 callbacks suppressed [ 478.219564][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 478.298142][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 478.323410][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 478.409415][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 478.422292][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 478.537393][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 478.567089][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 478.615669][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 478.653099][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 478.849801][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. Warning: Permanently added '10.128.10.60' (ECDSA) to the list of known hosts. [ 483.412359][T18887] IPVS: ftp: loaded support on port[0] = 21 [ 483.511062][T18887] chnl_net:caif_netlink_parms(): no params data found [ 483.532715][T18887] bridge0: port 1(bridge_slave_0) entered blocking state [ 483.539931][T18887] bridge0: port 1(bridge_slave_0) entered disabled state [ 483.547432][T18887] device bridge_slave_0 entered promiscuous mode [ 483.555205][T18887] bridge0: port 2(bridge_slave_1) entered blocking state [ 483.562383][T18887] bridge0: port 2(bridge_slave_1) entered disabled state [ 483.570178][T18887] device bridge_slave_1 entered promiscuous mode [ 483.629392][ T7] device hsr_slave_0 left promiscuous mode [ 483.669098][ C0] kasan: CONFIG_KASAN_INLINE enabled [ 483.674592][ C0] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 483.682667][ C0] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 483.689581][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.2.0-rc6+ #1 [ 483.696665][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 483.706813][ C0] RIP: 0010:send_hsr_supervision_frame+0x30/0xf60 [ 483.713208][ C0] Code: 89 e5 41 57 41 56 41 55 49 89 fd 41 54 41 89 d4 48 89 c2 53 48 c1 ea 03 48 83 ec 50 48 89 45 d0 48 b8 00 00 00 00 00 fc ff df <80> 3c 02 00 89 75 c8 0f 85 83 0c 00 00 48 b8 00 00 00 00 00 fc ff [ 483.732790][ C0] RSP: 0018:ffff8880aea09c68 EFLAGS: 00010282 [ 483.738854][ C0] RAX: dffffc0000000000 RBX: ffff88809023efc0 RCX: 1ffff1100f31b1f4 [ 483.747022][ C0] RDX: 0000000000000002 RSI: 0000000000000017 RDI: 0000000000000000 [ 483.754999][ C0] RBP: ffff8880aea09ce0 R08: ffffed1015d46c80 R09: ffffed1015d46c7f [ 483.763881][ C0] R10: ffffed1015d46c7f R11: ffff8880aea363fb R12: 0000000000000000 [ 483.771864][ C0] R13: 0000000000000000 R14: ffff8880aea09db8 R15: ffff8880aea24b80 [ 483.779854][ C0] FS: 0000000000000000(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000 [ 483.788774][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 483.795341][ C0] CR2: 00007f146eab92b0 CR3: 00000000a99e3000 CR4: 00000000001406f0 [ 483.803303][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 483.811284][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 483.819263][ C0] Call Trace: [ 483.822560][ C0] [ 483.825465][ C0] ? lock_acquire+0x173/0x3d0 [ 483.830128][ C0] ? hsr_dev_open+0x2c0/0x2c0 [ 483.834842][ C0] ? kasan_check_read+0x11/0x20 [ 483.839782][ C0] hsr_announce+0xd9/0x2b0 [ 483.844252][ C0] call_timer_fn+0x14d/0x510 [ 483.848854][ C0] ? hsr_dev_open+0x2c0/0x2c0 [ 483.853539][ C0] ? process_timeout+0x40/0x40 [ 483.858317][ C0] ? _raw_spin_unlock_irq+0x27/0x80 [ 483.863550][ C0] ? trace_hardirqs_on+0x28/0x190 [ 483.868557][ C0] ? kasan_check_read+0x11/0x20 [ 483.873389][ C0] ? hsr_dev_open+0x2c0/0x2c0 [ 483.878064][ C0] run_timer_softirq+0xc6f/0x1330 [ 483.883073][ C0] ? add_timer+0x730/0x730 [ 483.887521][ C0] ? kvm_clock_read+0x18/0x30 [ 483.892190][ C0] ? kvm_sched_clock_read+0x9/0x20 [ 483.897614][ C0] ? sched_clock+0x31/0x40 [ 483.902092][ C0] ? __do_softirq+0x1f9/0x958 [ 483.906801][ C0] __do_softirq+0x260/0x958 [ 483.911363][ C0] ? sched_clock_cpu+0x1b/0x1b0 [ 483.916254][ C0] irq_exit+0x17f/0x1c0 [ 483.920399][ C0] smp_apic_timer_interrupt+0x13e/0x540 [ 483.925952][ C0] apic_timer_interrupt+0xf/0x20 [ 483.930886][ C0] [ 483.933819][ C0] RIP: 0010:native_safe_halt+0x12/0x20 [ 483.939265][ C0] Code: 11 ff ff ff 4c 89 e7 e8 bc 5e ee fa eb 97 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 e9 07 00 00 00 0f 00 2d 50 ec 5c 00 fb f4 <5d> c3 66 90 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 e9 07 00 00 [ 483.958849][ C0] RSP: 0018:ffffffff88207ce0 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 483.967327][ C0] RAX: dffffc0000000000 RBX: ffffffff8827a040 RCX: 0000000000000000 [ 483.975451][ C0] RDX: 1ffffffff10643e1 RSI: 0000000000000006 RDI: ffffffff88321f08 [ 483.983418][ C0] RBP: ffffffff88207ce0 R08: 0000000000000006 R09: 0000000000000000 [ 483.991472][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 483.999440][ C0] R13: ffffffff88321ef8 R14: 0000000000000000 R15: ffffffff88f70fb8 [ 484.007424][ C0] default_idle+0x51/0x310 [ 484.011887][ C0] arch_cpu_idle+0xa/0x10 [ 484.016200][ C0] default_idle_call+0x6d/0x90 [ 484.021034][ C0] do_idle+0x3e4/0x590 [ 484.025080][ C0] ? retint_kernel+0x2b/0x2b [ 484.029676][ C0] ? arch_cpu_idle_exit+0x70/0x70 [ 484.034686][ C0] cpu_startup_entry+0x18/0x20 [ 484.039507][ C0] rest_init+0x1a4/0x279 [ 484.043784][ C0] arch_call_rest_init+0x9/0xc [ 484.048531][ C0] start_kernel+0x6bd/0x6f8 [ 484.053050][ C0] ? mem_encrypt_init+0x1/0x1 [ 484.057710][ C0] ? early_idt_handler_common+0x3b/0x60 [ 484.063281][ C0] x86_64_start_reservations+0x29/0x2b [ 484.068777][ C0] x86_64_start_kernel+0x76/0x79 [ 484.073728][ C0] secondary_startup_64+0xa4/0xb0 [ 484.078797][ C0] Modules linked in: [ 484.082790][ C0] ---[ end trace 1f65dae5140c34b4 ]--- [ 484.088248][ C0] RIP: 0010:send_hsr_supervision_frame+0x30/0xf60 [ 484.094690][ C0] Code: 89 e5 41 57 41 56 41 55 49 89 fd 41 54 41 89 d4 48 89 c2 53 48 c1 ea 03 48 83 ec 50 48 89 45 d0 48 b8 00 00 00 00 00 fc ff df <80> 3c 02 00 89 75 c8 0f 85 83 0c 00 00 48 b8 00 00 00 00 00 fc ff [ 484.114317][ C0] RSP: 0018:ffff8880aea09c68 EFLAGS: 00010282 [ 484.120422][ C0] RAX: dffffc0000000000 RBX: ffff88809023efc0 RCX: 1ffff1100f31b1f4 [ 484.128492][ C0] RDX: 0000000000000002 RSI: 0000000000000017 RDI: 0000000000000000 [ 484.136494][ C0] RBP: ffff8880aea09ce0 R08: ffffed1015d46c80 R09: ffffed1015d46c7f [ 484.144479][ C0] R10: ffffed1015d46c7f R11: ffff8880aea363fb R12: 0000000000000000 [ 484.152496][ C0] R13: 0000000000000000 R14: ffff8880aea09db8 R15: ffff8880aea24b80 [ 484.160480][ C0] FS: 0000000000000000(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000 [ 484.169414][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 484.176000][ C0] CR2: 00007f146eab92b0 CR3: 00000000a99e3000 CR4: 00000000001406f0 [ 484.184001][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 484.192164][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 484.200166][ C0] Kernel panic - not syncing: Fatal exception in interrupt [ 484.208551][ C0] Kernel Offset: disabled [ 484.212885][ C0] Rebooting in 86400 seconds..