[ 454.368037][T17130] sctp: Hash tables configured (bind 32/56) [ 473.992873][ C1] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies. [ 474.053527][ C1] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies. [ 474.148258][ C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies. [ 474.370940][ C1] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies. [ 474.592482][ C1] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies. [ 474.778463][ C1] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies. [ 474.952298][ C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies. [ 475.046632][ C0] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies. [ 475.507688][ C0] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies. [ 475.566083][ C0] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies. [ 539.069559][ T111] kmemleak: 1874 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 560.472548][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [swapper/0:0] [ 560.472555][ 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 [ 560.472572][ C0] irq event stamp: 22411923 [ 560.472573][ C0] hardirqs last enabled at (22411922): [] asm_common_interrupt+0x26/0x40 [ 560.472579][ C0] hardirqs last disabled at (22411923): [] sysvec_apic_timer_interrupt+0x12/0xe0 [ 560.472583][ C0] softirqs last enabled at (22411130): [] handle_softirqs+0x611/0x940 [ 560.472585][ C0] softirqs last disabled at (22411147): [] __irq_exit_rcu+0x103/0x1c0 [ 560.472590][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 560.472593][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 560.472594][ C0] RIP: 0010:handle_softirqs+0x1a0/0x940 [ 560.472597][ C0] Code: 10 45 89 ee 48 89 6c 24 18 48 c7 c7 40 b8 aa b3 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 40 b4 e9 9a [ 560.472599][ C0] RSP: 0018:ffa0000000007f28 EFLAGS: 00000292 [ 560.472601][ C0] RAX: 000000000155f78c RBX: 00000000ffffffff RCX: ffffffffb13bf8ea [ 560.472602][ C0] RDX: ffffffffb441c740 RSI: ffffffffb42037c0 RDI: ffffffffb3c74ac0 [ 560.472603][ C0] RBP: fffffbfff6881e50 R08: 0000000000000000 R09: 0000000000000000 [ 560.472604][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 [ 560.472605][ C0] R13: 0000000000000082 R14: 0000000000000082 R15: 1ff4000000000fed [ 560.472609][ C0] FS: 0000000000000000(0000) GS:ff1100007f9ab000(0000) knlGS:0000000000000000 [ 560.472612][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 560.472613][ C0] CR2: 000055ef1561ad5c CR3: 0000000004bf3005 CR4: 0000000000771ef0 [ 560.472614][ C0] PKRU: 55555554 [ 560.472615][ C0] Call Trace: [ 560.472619][ C0] [ 560.472623][ C0] ? find_held_lock+0x2b/0x80 [ 560.472628][ C0] ? __lock_release.isra.0+0x6b/0x1a0 [ 560.472630][ C0] ? _local_bh_enable+0xd0/0xd0 [ 560.472634][ C0] __irq_exit_rcu+0x103/0x1c0 [ 560.472636][ C0] irq_exit_rcu+0xe/0x30 [ 560.472638][ C0] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 560.472641][ C0] [ 560.472642][ C0] [ 560.472643][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 560.472646][ C0] RIP: 0010:pv_native_safe_halt+0xf/0x10 [ 560.472648][ 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 [ 560.472649][ C0] RSP: 0018:ffffffffb4407e00 EFLAGS: 00000282 [ 560.472650][ C0] RAX: 000000000155f785 RBX: ffffffffb441c740 RCX: ffffffffb14daae7 [ 560.472651][ C0] RDX: ffffffffb441c740 RSI: ffffffffb42037c0 RDI: ffffffffb3c74ac0 [ 560.472652][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 560.472653][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff6880fc3 [ 560.472654][ C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770 [ 560.472657][ C0] ? cpuidle_idle_call.constprop.0+0x237/0x410 [ 560.472662][ C0] default_idle+0x9/0x10 [ 560.472664][ C0] default_idle_call+0x6e/0xb0 [ 560.472666][ C0] cpuidle_idle_call.constprop.0+0x237/0x410 [ 560.472668][ C0] ? arch_cpu_idle_exit+0x40/0x40 [ 560.472670][ C0] ? mark_tsc_async_resets+0x30/0x30 [ 560.472673][ C0] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 560.472676][ C0] ? rcu_is_watching+0x15/0xd0 [ 560.472680][ C0] do_idle+0xf5/0x160 [ 560.472683][ C0] cpu_startup_entry+0x53/0x70 [ 560.472685][ C0] rest_init+0x1f7/0x200 [ 560.472689][ C0] start_kernel+0x3ad/0x3b0 [ 560.472695][ C0] x86_64_start_reservations+0x24/0x30 [ 560.472698][ C0] x86_64_start_kernel+0x12b/0x130 [ 560.472701][ C0] common_startup_64+0x13e/0x148 [ 560.472710][ C0]