[ 443.632560][T17130] sctp: Hash tables configured (bind 32/56) [ 463.335904][ C1] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies. [ 463.429219][ C1] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies. [ 463.711689][ C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies. [ 463.846684][ C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies. [ 464.231712][ C1] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies. [ 464.310450][ C0] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies. [ 464.715965][ C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies. [ 464.844558][ C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies. [ 464.973280][ C0] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies. [ 465.039313][ C0] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies. [ 531.738291][ T111] kmemleak: 1990 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 552.419616][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [swapper/0:0] [ 552.419624][ C0] Modules linked in: nft_ct nf_conntrack_netlink nft_nat nft_numgen nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 sctp_diag nft_limit nfnetlink_queue nft_queue sctp ip6_udp_tunnel udp_tunnel tcp_diag inet_diag veth nf_tables [ 552.419642][ C0] irq event stamp: 22517587 [ 552.419643][ C0] hardirqs last enabled at (22517586): [] asm_common_interrupt+0x26/0x40 [ 552.419651][ C0] hardirqs last disabled at (22517587): [] sysvec_apic_timer_interrupt+0x12/0xe0 [ 552.419654][ C0] softirqs last enabled at (22516838): [] handle_softirqs+0x611/0x940 [ 552.419657][ C0] softirqs last disabled at (22516847): [] __irq_exit_rcu+0x103/0x1c0 [ 552.419662][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 552.419665][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 552.419667][ C0] RIP: 0010:handle_softirqs+0x1a0/0x940 [ 552.419671][ C0] Code: 10 45 89 ee 48 89 6c 24 18 48 c7 c7 40 b8 0a 9a e8 b5 d3 4b 02 31 c0 65 66 89 05 53 57 4b 04 e8 86 cd 42 00 fb bb ff ff ff ff <41> 0f bc de 83 c3 01 0f 84 4e 03 00 00 49 c7 c4 c0 a0 a0 9a e9 9a [ 552.419673][ C0] RSP: 0018:ffa0000000007f28 EFLAGS: 00000292 [ 552.419675][ C0] RAX: 0000000001579470 RBX: 00000000ffffffff RCX: ffffffff979bf8ea [ 552.419676][ C0] RDX: ffffffff9aa1c740 RSI: ffffffff9a803760 RDI: ffffffff9a274ac0 [ 552.419678][ C0] RBP: fffffbfff3541e50 R08: 0000000000000000 R09: 0000000000000000 [ 552.419678][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 [ 552.419679][ C0] R13: 0000000000000280 R14: 0000000000000280 R15: 1ff4000000000fed [ 552.419683][ C0] FS: 0000000000000000(0000) GS:ff110000993ab000(0000) knlGS:0000000000000000 [ 552.419687][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 552.419688][ C0] CR2: 00007f0acba91f98 CR3: 000000000c939005 CR4: 0000000000771ef0 [ 552.419689][ C0] PKRU: 55555554 [ 552.419690][ C0] Call Trace: [ 552.419694][ C0] [ 552.419698][ C0] ? find_held_lock+0x2b/0x80 [ 552.419703][ C0] ? __lock_release.isra.0+0x6b/0x1a0 [ 552.419705][ C0] ? _local_bh_enable+0xd0/0xd0 [ 552.419709][ C0] __irq_exit_rcu+0x103/0x1c0 [ 552.419711][ C0] irq_exit_rcu+0xe/0x30 [ 552.419713][ C0] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 552.419716][ C0] [ 552.419717][ C0] [ 552.419718][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 552.419721][ C0] RIP: 0010:pv_native_safe_halt+0xf/0x10 [ 552.419724][ C0] Code: 48 8b 3d 84 e1 ff 01 e8 1f 00 00 00 48 2b 05 08 60 a2 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 03 c3 21 00 fb f4 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01 [ 552.419725][ C0] RSP: 0018:ffffffff9aa07e00 EFLAGS: 00000282 [ 552.419726][ C0] RAX: 000000000157946b RBX: ffffffff9aa1c740 RCX: ffffffff97adaae7 [ 552.419727][ C0] RDX: ffffffff9aa1c740 RSI: ffffffff9a803760 RDI: ffffffff9a274ac0 [ 552.419728][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 552.419729][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff3540fc3 [ 552.419730][ C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770 [ 552.419733][ C0] ? cpuidle_idle_call.constprop.0+0x237/0x410 [ 552.419738][ C0] default_idle+0x9/0x10 [ 552.419740][ C0] default_idle_call+0x6e/0xb0 [ 552.419742][ C0] cpuidle_idle_call.constprop.0+0x237/0x410 [ 552.419744][ C0] ? arch_cpu_idle_exit+0x40/0x40 [ 552.419746][ C0] ? mark_tsc_async_resets+0x30/0x30 [ 552.419750][ C0] ? rcu_is_watching+0x15/0xd0 [ 552.419754][ C0] do_idle+0xf5/0x160 [ 552.419757][ C0] cpu_startup_entry+0x53/0x70 [ 552.419759][ C0] rest_init+0x1f7/0x200 [ 552.419762][ C0] start_kernel+0x3ad/0x3b0 [ 552.419768][ C0] x86_64_start_reservations+0x24/0x30 [ 552.419771][ C0] x86_64_start_kernel+0x12b/0x130 [ 552.419774][ C0] common_startup_64+0x13e/0x148 [ 552.419782][ C0] [ 554.995157][ C0] clocksource: Marking clocksource tsc unstable due to frequency skew [ 554.995536][ C0] clocksource: Watchdog kvm-clock interval: 21650ns [ 554.996245][ C0] clocksource: Clocksource tsc interval: 21459ns [ 554.996460][ C0] tsc: Marking TSC unstable due to clocksource watchdog