======================================
| [    8.734730][    C2]
| [    8.734730][    C2]
| [    8.734730][    C2] stack backtrace:
| [    8.734736][    C2] Tainted: [W]=WARN
[    8.734737][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.734739][    C2] Call Trace:
[    8.734740][    C2]  <IRQ>
[    8.734741][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    8.734745][    C2]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[    8.734747][    C2]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[    8.734750][    C2]  mark_lock (kernel/locking/lockdep.c:4769)
[    8.734752][    C2]  mark_usage (kernel/locking/lockdep.c:4658)
[    8.734753][    C2]  __lock_acquire (kernel/locking/lockdep.c:5208)
[    8.734756][    C2]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    8.734757][    C2]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[    8.734759][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.734762][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    8.734764][    C2]  console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[    8.734766][    C2]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[    8.734767][    C2]  console_emit_next_record (kernel/printk/printk.c:3177)
[    8.734769][    C2]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    8.734771][    C2]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[    8.734773][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.734775][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    8.734776][    C2]  console_flush_one_record (kernel/printk/printk.c:3268)
[    8.734779][    C2]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    8.734780][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.734782][    C2]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    8.734784][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    8.734786][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.734787][    C2]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    8.734789][    C2]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    8.734791][    C2]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    8.734793][    C2]  vprintk_emit (kernel/printk/printk.c:2479)
[    8.734795][    C2]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    8.734797][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    8.734799][    C2]  _printk (kernel/printk/printk.c:2504)
[    8.734801][    C2]  ? snapshot_read.cold (user.c:?)
[    8.734802][    C2]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[    8.734805][    C2]  ? idr_get_free (??:?)
[    8.734807][    C2]  tcp_make_synack.cold (net/ipv4/tcp_output.c:4011 (discriminator 3))
[    8.734809][    C2]  ? tcp_send_synack (./include/net/tcp_ecn.h:589)
[    8.734811][    C2]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[    8.734812][    C2]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[    8.734815][    C2]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    8.734817][    C2]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    8.734820][    C2]  tcp_v4_send_synack (net/ipv4/tcp_ipv4.c:1179)
[    8.734822][    C2]  ? tcp_v4_timewait_ack (net/ipv4/tcp_ipv4.c:1046)
[    8.734824][    C2]  ? tcp_fastopen_add_skb (net/ipv4/tcp_fastopen.c:261)
[    8.734827][    C2]  ? secure_tcpv6_seq_and_ts_off (net/core/secure_seq.c:77)
[    8.734829][    C2]  ? inet_csk_route_req (./include/linux/rcupdate.h:882 net/ipv4/inet_connection_sock.c:782)
[    8.734831][    C2]  ? inet_csk_reqsk_queue_hash_add (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 ./include/net/request_sock.h:228 ./include/net/inet_connection_sock.h:282 net/ipv4/inet_connection_sock.c:1181)
[    8.734832][    C2]  tcp_conn_request (net/ipv4/tcp_input.c:7796 (discriminator 3))
[    8.734834][    C2]  ? tcp_ao_calc_traffic_key (net/ipv4/tcp_ao.c:153)
[    8.734838][    C2]  ? tcp_get_syncookie_mss (./include/net/net_namespace.h:422 (discriminator 7))
[    8.734840][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.734842][    C2]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    8.734844][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.734845][    C2]  ? down_read_nested (kernel/locking/rwsem.c:256 kernel/locking/rwsem.c:1290 kernel/locking/rwsem.c:1304 kernel/locking/rwsem.c:1710)
[    8.734848][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.734850][    C2]  ? tcp_rcv_listen_state_process (net/ipv4/tcp_input.c:7167)
[    8.734852][    C2]  tcp_rcv_listen_state_process (net/ipv4/tcp_input.c:7167)
[    8.734854][    C2]  tcp_v4_rcv_listen.constprop.0.isra.0 (net/ipv4/tcp_ipv4.c:1930)
[    8.734856][    C2]  ? tcp_v4_fill_cb (net/ipv4/tcp_ipv4.c:2099)
[    8.734857][    C2]  tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2286)
[    8.734860][    C2]  ? mark_usage (kernel/locking/lockdep.c:4690)
[    8.734861][    C2]  ? tcp_add_backlog (./include/net/net_namespace.h:422 (discriminator 7))
[    8.734863][    C2]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    8.734865][    C2]  ? ip_local_deliver_finish (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) net/ipv4/ip_input.c:240 (discriminator 2))
[    8.734867][    C2]  ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207)
[    8.734869][    C2]  ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2))
[    8.734871][    C2]  ip_local_deliver_finish (net/ipv4/ip_input.c:241 (discriminator 1))
[    8.734872][    C2]  ip_local_deliver (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:262)
[    8.734874][    C2]  ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42))
[    8.734876][    C2]  ? ip_rcv_finish_core (./include/linux/skbuff.h:1162 (discriminator 2) ./include/net/route.h:88 (discriminator 2) net/ipv4/ip_input.c:435 (discriminator 2))
[    8.734878][    C2]  ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2))
[    8.734880][    C2]  ip_rcv (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:612)
[    8.734881][    C2]  ? ip_local_deliver (./include/linux/rcupdate.h:878 (discriminator 3))
[    8.734883][    C2]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    8.734884][    C2]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    8.734886][    C2]  ? mark_usage (kernel/locking/lockdep.c:4690)
[    8.734887][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.734889][    C2]  ? trace_raw_output_rcu_invoke_kfree_bulk_callback (./include/trace/events/rcu.h:655)
[    8.734891][    C2]  __netif_receive_skb_one_core (net/core/dev.c:6264)
[    8.734893][    C2]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    8.734894][    C2]  ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2))
[    8.734896][    C2]  ? __netif_receive_skb_list_core (net/core/dev.c:6310)
[    8.734898][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.734900][    C2]  process_backlog (net/core/dev.c:6728)
[    8.734903][    C2]  __napi_poll (net/core/dev.c:7787)
[    8.734905][    C2]  net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007)
[    8.734907][    C2]  ? __napi_poll (./include/net/gro.h:507)
[    8.734909][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    8.734912][    C2]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[    8.734914][    C2]  handle_softirqs (kernel/softirq.c:645)
[    8.734916][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[    8.734917][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.734919][    C2]  ? trace_csd_function_exit (./include/trace/events/csd.h:64 (discriminator 22))
[    8.734921][    C2]  ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2))
[    8.734923][    C2]  do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19))
[    8.734925][    C2]  </IRQ>
[    8.734925][    C2]  <TASK>
[    8.734926][    C2]  __local_bh_enable_ip (kernel/softirq.c:473)
[    8.734927][    C2]  __dev_queue_xmit (./include/linux/bottom_half.h:33 (discriminator 2) ./include/linux/rcupdate.h:923 (discriminator 2) net/core/dev.c:4961 (discriminator 2))
[    8.734929][    C2]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[    8.734932][    C2]  ? netdev_core_pick_tx (net/core/dev.c:4784)
[    8.734934][    C2]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    8.734935][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    8.734937][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    8.734938][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.734940][    C2]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[    8.734941][    C2]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[    8.734942][    C2]  ? neigh_hh_output (./include/net/neighbour.h:525)
[    8.734945][    C2]  ip_finish_output2 (./include/net/neighbour.h:558 net/ipv4/ip_output.c:236)
[    8.734946][    C2]  ? ip_dst_mtu_maybe_forward (./include/linux/rcupdate.h:882 ./include/net/ip.h:504)
[    8.734948][    C2]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    8.734950][    C2]  ? ip_fragment.constprop.0 (net/ipv4/ip_output.c:587 (discriminator 41))
[    8.734952][    C2]  ip_output (./include/linux/netfilter.h:314 net/ipv4/ip_output.c:437)
[    8.734954][    C2]  ? ip_finish_output (./include/linux/cgroup.h:915)
[    8.734955][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    8.734957][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    8.734959][    C2]  ? ip4_dst_hoplimit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/route.h:397 (discriminator 2))
[    8.734961][    C2]  __ip_queue_xmit (./include/net/dst.h:470 (discriminator 4) net/ipv4/ip_output.c:131 (discriminator 4) net/ipv4/ip_output.c:533 (discriminator 4))
[    8.734963][    C2]  __tcp_transmit_skb (net/ipv4/tcp_output.c:1716)
[    8.734965][    C2]  ? __tcp_select_window (./arch/x86/include/asm/atomic.h:23)
[    8.734967][    C2]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[    8.734969][    C2]  ? ktime_get (./include/linux/seqlock.h:75 (discriminator 6) kernel/time/timekeeping.c:1002 (discriminator 6))
[    8.734971][    C2]  ? kvm_clock_get_cycles (arch/x86/kernel/kvmclock.c:80 (discriminator 1) arch/x86/kernel/kvmclock.c:87 (discriminator 1))
[    8.734974][    C2]  ? ktime_get (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:1004)
[    8.734975][    C2]  tcp_connect (net/ipv4/tcp_output.c:1734 net/ipv4/tcp_output.c:4383)
[    8.734977][    C2]  tcp_v4_connect (net/ipv4/tcp_ipv4.c:345)
[    8.734980][    C2]  ? tcp_v4_ao_sign_reset (./include/linux/skbuff.h:1165)
[    8.734982][    C2]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[    8.734983][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    8.734985][    C2]  __inet_stream_connect (net/ipv4/af_inet.c:690)
[    8.734987][    C2]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[    8.734988][    C2]  inet_stream_connect (net/ipv4/af_inet.c:761)
[    8.734990][    C2]  __sys_connect (net/socket.c:2141 (discriminator 3) net/socket.c:2166 (discriminator 3) net/socket.c:2183 (discriminator 3))
[    8.734991][    C2]  ? do_fcntl (fs/fcntl.c:477)
[    8.734994][    C2]  ? __sys_connect_file (net/socket.c:2141 (discriminator 3))
[    8.734997][    C2]  ? fput (./include/linux/preempt.h:500 ./include/linux/file_ref.h:150 fs/file_table.c:588)
[    8.734999][    C2]  __x64_sys_connect (net/socket.c:2189 net/socket.c:2186 net/socket.c:2186)
[    8.735000][    C2]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[    8.735002][    C2]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[    8.735003][    C2]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    8.735005][    C2]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    8.735006][    C2]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.735007][    C2] RIP: 0033:0x7f1d502af312
[    8.735010][    C2] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[    8.735012][    C2] RSP: 002b:00007f1d4fa2c988 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
[    8.735014][    C2] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f1d502af312
[    8.735016][    C2] RDX: 0000000000000010 RSI: 00007f1d4fa2cc40 RDI: 000000000000000a
[    8.735017][    C2] RBP: 00007f1d4fa2c9b0 R08: 0000000000000000 R09: 0000000000000000
[    8.735017][    C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1d4fa2cc40
[    8.735018][    C2] R13: 0000000000000010 R14: 0000000000000001 R15: 0000000000412230
| [    8.735035][    C2] softirqs last disabled at (9717): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19))
| [    8.735036][    C2] Preemption disabled at:
| [    8.735037][    C2] __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2))
| [    8.735042][    C2] Tainted: [W]=WARN
[    8.735043][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.735043][    C2] Call Trace:
[    8.735044][    C2]  <IRQ>
[    8.735044][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    8.735046][    C2]  ? __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2))
[    8.735048][    C2]  __might_resched.cold (kernel/sched/core.c:9234)
[    8.735051][    C2]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    8.735054][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.735056][    C2]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[    8.735057][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    8.735059][    C2]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    8.735061][    C2]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    8.735062][    C2]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    8.735064][    C2]  put_chars (drivers/char/virtio_console.c:1176)
[    8.735066][    C2]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    8.735068][    C2]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    8.735070][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5208)
[    8.735072][    C2]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    8.735074][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.735076][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    8.735077][    C2]  console_emit_next_record (kernel/printk/printk.c:3183)
[    8.735080][    C2]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    8.735081][    C2]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[    8.735083][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.735085][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    8.735086][    C2]  console_flush_one_record (kernel/printk/printk.c:3268)
[    8.735089][    C2]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    8.735090][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.735092][    C2]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    8.735094][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    8.735096][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.735097][    C2]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    8.735099][    C2]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    8.735101][    C2]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    8.735103][    C2]  vprintk_emit (kernel/printk/printk.c:2479)
[    8.735104][    C2]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    8.735106][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    8.735108][    C2]  _printk (kernel/printk/printk.c:2504)
[    8.735110][    C2]  ? snapshot_read.cold (user.c:?)
[    8.735111][    C2]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[    8.735113][    C2]  ? idr_get_free (??:?)
[    8.735115][    C2]  tcp_make_synack.cold (net/ipv4/tcp_output.c:4011 (discriminator 3))
[    8.735118][    C2]  ? tcp_send_synack (./include/net/tcp_ecn.h:589)
[    8.735119][    C2]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[    8.735121][    C2]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[    8.735123][    C2]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    8.735124][    C2]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    8.735126][    C2]  tcp_v4_send_synack (net/ipv4/tcp_ipv4.c:1179)
[    8.735128][    C2]  ? tcp_v4_timewait_ack (net/ipv4/tcp_ipv4.c:1046)
[    8.735130][    C2]  ? tcp_fastopen_add_skb (net/ipv4/tcp_fastopen.c:261)
[    8.735132][    C2]  ? secure_tcpv6_seq_and_ts_off (net/core/secure_seq.c:77)
[    8.735134][    C2]  ? inet_csk_route_req (./include/linux/rcupdate.h:882 net/ipv4/inet_connection_sock.c:782)
[    8.735136][    C2]  ? inet_csk_reqsk_queue_hash_add (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 ./include/net/request_sock.h:228 ./include/net/inet_connection_sock.h:282 net/ipv4/inet_connection_sock.c:1181)
[    8.735137][    C2]  tcp_conn_request (net/ipv4/tcp_input.c:7796 (discriminator 3))
[    8.735139][    C2]  ? tcp_ao_calc_traffic_key (net/ipv4/tcp_ao.c:153)
[    8.735141][    C2]  ? tcp_get_syncookie_mss (./include/net/net_namespace.h:422 (discriminator 7))
[    8.735143][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.735145][    C2]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    8.735147][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.735148][    C2]  ? down_read_nested (kernel/locking/rwsem.c:256 kernel/locking/rwsem.c:1290 kernel/locking/rwsem.c:1304 kernel/locking/rwsem.c:1710)
[    8.735150][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.735152][    C2]  ? tcp_rcv_listen_state_process (net/ipv4/tcp_input.c:7167)
[    8.735154][    C2]  tcp_rcv_listen_state_process (net/ipv4/tcp_input.c:7167)
[    8.735156][    C2]  tcp_v4_rcv_listen.constprop.0.isra.0 (net/ipv4/tcp_ipv4.c:1930)
[    8.735158][    C2]  ? tcp_v4_fill_cb (net/ipv4/tcp_ipv4.c:2099)
[    8.735159][    C2]  tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2286)
[    8.735162][    C2]  ? mark_usage (kernel/locking/lockdep.c:4690)
[    8.735163][    C2]  ? tcp_add_backlog (./include/net/net_namespace.h:422 (discriminator 7))
[    8.735165][    C2]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    8.735167][    C2]  ? ip_local_deliver_finish (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) net/ipv4/ip_input.c:240 (discriminator 2))
[    8.735168][    C2]  ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207)
[    8.735170][    C2]  ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2))
[    8.735172][    C2]  ip_local_deliver_finish (net/ipv4/ip_input.c:241 (discriminator 1))
[    8.735174][    C2]  ip_local_deliver (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:262)
[    8.735175][    C2]  ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42))
[    8.735177][    C2]  ? ip_rcv_finish_core (./include/linux/skbuff.h:1162 (discriminator 2) ./include/net/route.h:88 (discriminator 2) net/ipv4/ip_input.c:435 (discriminator 2))
[    8.735179][    C2]  ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2))
[    8.735181][    C2]  ip_rcv (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:612)
[    8.735182][    C2]  ? ip_local_deliver (./include/linux/rcupdate.h:878 (discriminator 3))
[    8.735184][    C2]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    8.735185][    C2]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    8.735187][    C2]  ? mark_usage (kernel/locking/lockdep.c:4690)
[    8.735188][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.735189][    C2]  ? trace_raw_output_rcu_invoke_kfree_bulk_callback (./include/trace/events/rcu.h:655)
[    8.735191][    C2]  __netif_receive_skb_one_core (net/core/dev.c:6264)
[    8.735193][    C2]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    8.735194][    C2]  ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2))
[    8.735196][    C2]  ? __netif_receive_skb_list_core (net/core/dev.c:6310)
[    8.735198][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.735200][    C2]  process_backlog (net/core/dev.c:6728)
[    8.735203][    C2]  __napi_poll (net/core/dev.c:7787)
[    8.735205][    C2]  net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007)
[    8.735208][    C2]  ? __napi_poll (./include/net/gro.h:507)
[    8.735210][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    8.735213][    C2]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[    8.735214][    C2]  handle_softirqs (kernel/softirq.c:645)
[    8.735216][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[    8.735217][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.735219][    C2]  ? trace_csd_function_exit (./include/trace/events/csd.h:64 (discriminator 22))
[    8.735220][    C2]  ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2))
[    8.735222][    C2]  do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19))
[    8.735224][    C2]  </IRQ>
[    8.735224][    C2]  <TASK>
[    8.735225][    C2]  __local_bh_enable_ip (kernel/softirq.c:473)
[    8.735226][    C2]  __dev_queue_xmit (./include/linux/bottom_half.h:33 (discriminator 2) ./include/linux/rcupdate.h:923 (discriminator 2) net/core/dev.c:4961 (discriminator 2))
[    8.735228][    C2]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[    8.735230][    C2]  ? netdev_core_pick_tx (net/core/dev.c:4784)
[    8.735232][    C2]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    8.735233][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    8.735235][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    8.735236][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.735238][    C2]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[    8.735239][    C2]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[    8.735240][    C2]  ? neigh_hh_output (./include/net/neighbour.h:525)
[    8.735242][    C2]  ip_finish_output2 (./include/net/neighbour.h:558 net/ipv4/ip_output.c:236)
[    8.735244][    C2]  ? ip_dst_mtu_maybe_forward (./include/linux/rcupdate.h:882 ./include/net/ip.h:504)
[    8.735246][    C2]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    8.735247][    C2]  ? ip_fragment.constprop.0 (net/ipv4/ip_output.c:587 (discriminator 41))
[    8.735250][    C2]  ip_output (./include/linux/netfilter.h:314 net/ipv4/ip_output.c:437)
[    8.735251][    C2]  ? ip_finish_output (./include/linux/cgroup.h:915)
[    8.735253][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    8.735254][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    8.735256][    C2]  ? ip4_dst_hoplimit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/route.h:397 (discriminator 2))
[    8.735258][    C2]  __ip_queue_xmit (./include/net/dst.h:470 (discriminator 4) net/ipv4/ip_output.c:131 (discriminator 4) net/ipv4/ip_output.c:533 (discriminator 4))
[    8.735260][    C2]  __tcp_transmit_skb (net/ipv4/tcp_output.c:1716)
[    8.735263][    C2]  ? __tcp_select_window (./arch/x86/include/asm/atomic.h:23)
[    8.735265][    C2]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[    8.735266][    C2]  ? ktime_get (./include/linux/seqlock.h:75 (discriminator 6) kernel/time/timekeeping.c:1002 (discriminator 6))
[    8.735267][    C2]  ? kvm_clock_get_cycles (arch/x86/kernel/kvmclock.c:80 (discriminator 1) arch/x86/kernel/kvmclock.c:87 (discriminator 1))
[    8.735269][    C2]  ? ktime_get (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:1004)
[    8.735270][    C2]  tcp_connect (net/ipv4/tcp_output.c:1734 net/ipv4/tcp_output.c:4383)
[    8.735273][    C2]  tcp_v4_connect (net/ipv4/tcp_ipv4.c:345)
[    8.735275][    C2]  ? tcp_v4_ao_sign_reset (./include/linux/skbuff.h:1165)
[    8.735277][    C2]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[    8.735278][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    8.735280][    C2]  __inet_stream_connect (net/ipv4/af_inet.c:690)
[    8.735281][    C2]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[    8.735283][    C2]  inet_stream_connect (net/ipv4/af_inet.c:761)
[    8.735284][    C2]  __sys_connect (net/socket.c:2141 (discriminator 3) net/socket.c:2166 (discriminator 3) net/socket.c:2183 (discriminator 3))
[    8.735286][    C2]  ? do_fcntl (fs/fcntl.c:477)
[    8.735288][    C2]  ? __sys_connect_file (net/socket.c:2141 (discriminator 3))
[    8.735291][    C2]  ? fput (./include/linux/preempt.h:500 ./include/linux/file_ref.h:150 fs/file_table.c:588)
[    8.735292][    C2]  __x64_sys_connect (net/socket.c:2189 net/socket.c:2186 net/socket.c:2186)
[    8.735294][    C2]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[    8.735295][    C2]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[    8.735296][    C2]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    8.735298][    C2]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    8.735299][    C2]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.735300][    C2] RIP: 0033:0x7f1d502af312
[    8.735302][    C2] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[    8.735303][    C2] RSP: 002b:00007f1d4fa2c988 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
[    8.735304][    C2] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f1d502af312
[    8.735305][    C2] RDX: 0000000000000010 RSI: 00007f1d4fa2cc40 RDI: 000000000000000a
[    8.735306][    C2] RBP: 00007f1d4fa2c9b0 R08: 0000000000000000 R09: 0000000000000000
[    8.735306][    C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1d4fa2cc40
[    8.735307][    C2] R13: 0000000000000010 R14: 0000000000000001 R15: 0000000000412230
| [    9.771413][    C2] softirqs last disabled at (261525): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [    9.771415][    C2] Preemption disabled at:
| [    9.771416][    C2] 0x0
| [    9.771423][    C2] Tainted: [W]=WARN
[    9.771424][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.771425][    C2] Call Trace:
[    9.771426][    C2]  <IRQ>
[    9.771428][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.771432][    C2]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.771435][    C2]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.771438][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.771442][    C2]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[    9.771445][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.771447][    C2]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.771450][    C2]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.771452][    C2]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.771453][    C2]  put_chars (drivers/char/virtio_console.c:1176)
[    9.771455][    C2]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.771457][    C2]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[    9.771460][    C2]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.771463][    C2]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.771465][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.771466][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.771468][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.771470][    C2]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.771472][    C2]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.771474][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.771476][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.771477][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.771479][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.771481][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[    9.771482][    C2]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.771484][    C2]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.771487][    C2]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.771489][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.771490][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.771492][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.771493][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[    9.771494][    C2]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.771496][    C2]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[    9.771498][    C2]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.771500][    C2]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.771501][    C2]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.771504][    C2]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.771505][    C2]  ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123)
[    9.771507][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.771509][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.771510][    C2]  _printk (kernel/printk/printk.c:2504)
[    9.771512][    C2]  ? snapshot_read.cold (user.c:?)
[    9.771514][    C2]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[    9.771516][    C2]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[    9.771519][    C2]  ? idr_get_free (??:?)
[    9.771520][    C2]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[    9.771522][    C2]  tcp_make_synack.cold (net/ipv4/tcp_output.c:4011 (discriminator 3))
[    9.771525][    C2]  ? tcp_send_synack (./include/net/tcp_ecn.h:589)
[    9.771528][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[    9.771529][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.771531][    C2]  ? inet_csk_route_req (./include/linux/rcupdate.h:882 net/ipv4/inet_connection_sock.c:782)
[    9.771534][    C2]  tcp_v4_send_synack (net/ipv4/tcp_ipv4.c:1179)
[    9.771536][    C2]  ? tcp_v4_timewait_ack (net/ipv4/tcp_ipv4.c:1046)
[    9.771538][    C2]  ? sched_balance_find_src_group (kernel/sched/fair.c:12940)
[    9.771541][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.771542][    C2]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[    9.771543][    C2]  ? get_random_u16 (./include/linux/local_lock_internal.h:60 (discriminator 7))
[    9.771546][    C2]  tcp_rtx_synack (net/ipv4/tcp_output.c:4651)
[    9.771547][    C2]  ? tcp_send_probe0 (net/ipv4/tcp_output.c:4621)
[    9.771549][    C2]  ? sched_balance_rq (kernel/sched/fair.c:13468)
[    9.771556][    C2]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[    9.771557][    C2]  reqsk_timer_handler (net/ipv4/inet_connection_sock.c:1107)
[    9.771559][    C2]  ? __inet_csk_reqsk_queue_drop (./include/linux/list_nulls.h:111 (discriminator 2))
[    9.771561][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 5) ./include/trace/events/lock.h:23 (discriminator 5) kernel/locking/lockdep.c:5871 (discriminator 5))
[    9.771562][    C2]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.771564][    C2]  ? __inet_csk_reqsk_queue_drop (./include/linux/list_nulls.h:111 (discriminator 2))
[    9.771565][    C2]  call_timer_fn (kernel/time/timer.c:1748)
[    9.771568][    C2]  ? detach_if_pending (./include/linux/list.h:1159)
[    9.771570][    C2]  ? debug_object_active_state (lib/debugobjects.c:1122)
[    9.771574][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.771575][    C2]  ? timer_recalc_next_expiry (./include/linux/find.h:71 kernel/time/timer.c:1843 kernel/time/timer.c:1865)
[    9.771577][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.771579][    C2]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[    9.771581][    C2]  ? __inet_csk_reqsk_queue_drop (./include/linux/list_nulls.h:111 (discriminator 2))
[    9.771583][    C2]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[    9.771585][    C2]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[    9.771587][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.771589][    C2]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[    9.771591][    C2]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[    9.771593][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.771594][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.771596][    C2]  handle_softirqs (kernel/softirq.c:645)
[    9.771598][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[    9.771599][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.771601][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[    9.771602][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[    9.771604][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[    9.771605][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[    9.771607][    C2]  </IRQ>
[    9.771608][    C2]  <TASK>
[    9.771608][    C2]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:201 (discriminator 1) kernel/locking/spinlock.c:213 (discriminator 1))
[    9.771610][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[    9.771612][    C2] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[    9.771614][    C2] Code: 48 8b 3d 94 02 06 02 e8 1f 00 00 00 48 2b 05 58 03 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 a6 17 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 02 06 02 	mov    0x2060294(%rip),%rdi        # 0x206029b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 03 a0 00 	sub    0xa00358(%rip),%rax        # 0xa0036b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 a6 17 00 	verw   0x17a613(%rip)        # 0x17a63b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[    9.771615][    C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000246
[    9.771617][    C2] RAX: 0000000000000002 RBX: ff11000001bf46c0 RCX: 0000000000000001
[    9.771618][    C2] RDX: 0000000000000002 RSI: ffffffffba28dc60 RDI: ffffffffb78fa307
[    9.771619][    C2] RBP: 0000000000000000 R08: ffffffffb9f1f421 R09: 1fe2200006a663a2
[    9.771620][    C2] R10: 0000000000000002 R11: 0000000000000000 R12: 1ff400000002afc3
[    9.771621][    C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[    9.771622][    C2]  ? ct_kernel_exit.constprop.0 (./include/linux/instrumented.h:97 kernel/context_tracking.c:124)
[    9.771624][    C2]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[    9.771626][    C2]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[    9.771627][    C2]  default_idle_call (kernel/sched/idle.c:122)
[    9.771629][    C2]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[    9.771630][    C2]  ? arch_cpu_idle_exit+0x40/0x40
[    9.771632][    C2]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[    9.771635][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.771637][    C2]  do_idle (kernel/sched/idle.c:355)
[    9.771638][    C2]  cpu_startup_entry (kernel/sched/idle.c:454)
[    9.771639][    C2]  start_secondary (arch/x86/kernel/smpboot.c:312)
[    9.771641][    C2]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[    9.771643][    C2]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   10.922393][    C2] softirqs last disabled at (261525): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.922395][    C2] Preemption disabled at:
| [   10.922396][    C2] 0x0
| [   10.922403][    C2] Tainted: [W]=WARN
[   10.922404][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.922405][    C2] Call Trace:
[   10.922406][    C2]  <IRQ>
[   10.922407][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.922411][    C2]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.922414][    C2]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.922418][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.922421][    C2]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   10.922424][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.922426][    C2]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.922429][    C2]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.922431][    C2]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.922433][    C2]  put_chars (drivers/char/virtio_console.c:1176)
[   10.922435][    C2]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.922436][    C2]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   10.922439][    C2]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.922443][    C2]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.922444][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.922446][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.922448][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.922450][    C2]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.922452][    C2]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.922454][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.922455][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.922457][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.922458][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.922460][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   10.922462][    C2]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.922464][    C2]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.922466][    C2]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.922468][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.922470][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.922471][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.922473][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   10.922474][    C2]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.922475][    C2]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   10.922478][    C2]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.922479][    C2]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.922481][    C2]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.922483][    C2]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.922485][    C2]  ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123)
[   10.922486][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.922488][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.922490][    C2]  _printk (kernel/printk/printk.c:2504)
[   10.922492][    C2]  ? snapshot_read.cold (user.c:?)
[   10.922494][    C2]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   10.922496][    C2]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   10.922498][    C2]  ? idr_get_free (??:?)
[   10.922500][    C2]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[   10.922501][    C2]  tcp_make_synack.cold (net/ipv4/tcp_output.c:4011 (discriminator 3))
[   10.922505][    C2]  ? tcp_send_synack (./include/net/tcp_ecn.h:589)
[   10.922507][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.922509][    C2]  ? inet_csk_route_req (./include/linux/rcupdate.h:882 net/ipv4/inet_connection_sock.c:782)
[   10.922512][    C2]  tcp_v4_send_synack (net/ipv4/tcp_ipv4.c:1179)
[   10.922514][    C2]  ? tcp_v4_timewait_ack (net/ipv4/tcp_ipv4.c:1046)
[   10.922516][    C2]  ? sched_balance_find_src_group (kernel/sched/fair.c:12940)
[   10.922518][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.922520][    C2]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   10.922521][    C2]  ? get_random_u16 (./include/linux/local_lock_internal.h:60 (discriminator 7))
[   10.922523][    C2]  tcp_rtx_synack (net/ipv4/tcp_output.c:4651)
[   10.922525][    C2]  ? trace_pelt_cfs_tp (./include/trace/events/sched.h:833 (discriminator 22))
[   10.922527][    C2]  ? tcp_send_probe0 (net/ipv4/tcp_output.c:4621)
[   10.922528][    C2]  ? __update_load_avg_cfs_rq (kernel/sched/pelt.c:329)
[   10.922531][    C2]  ? update_cfs_rq_load_avg (kernel/sched/fair.c:5687)
[   10.922533][    C2]  reqsk_timer_handler (net/ipv4/inet_connection_sock.c:1107)
[   10.922535][    C2]  ? __inet_csk_reqsk_queue_drop (./include/linux/list_nulls.h:111 (discriminator 2))
[   10.922536][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 5) ./include/trace/events/lock.h:23 (discriminator 5) kernel/locking/lockdep.c:5871 (discriminator 5))
[   10.922537][    C2]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.922539][    C2]  ? __inet_csk_reqsk_queue_drop (./include/linux/list_nulls.h:111 (discriminator 2))
[   10.922540][    C2]  call_timer_fn (kernel/time/timer.c:1748)
[   10.922543][    C2]  ? detach_if_pending (./include/linux/list.h:1159)
[   10.922545][    C2]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   10.922549][    C2]  ? trace_sched_wakeup (./include/trace/events/sched.h:178 (discriminator 22))
[   10.922551][    C2]  ? timer_recalc_next_expiry (./include/linux/find.h:71 kernel/time/timer.c:1843 kernel/time/timer.c:1865)
[   10.922552][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.922554][    C2]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   10.922556][    C2]  ? __inet_csk_reqsk_queue_drop (./include/linux/list_nulls.h:111 (discriminator 2))
[   10.922558][    C2]  ? debug_object_deactivate (lib/debugobjects.c:951 (discriminator 3))
[   10.922563][    C2]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   10.922565][    C2]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   10.922568][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.922570][    C2]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   10.922572][    C2]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   10.922573][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.922575][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.922576][    C2]  handle_softirqs (kernel/softirq.c:645)
[   10.922578][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   10.922580][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.922581][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   10.922583][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   10.922585][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   10.922586][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   10.922588][    C2]  </IRQ>
[   10.922588][    C2]  <TASK>
[   10.922589][    C2]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:201 (discriminator 1) kernel/locking/spinlock.c:213 (discriminator 1))
[   10.922591][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   10.922593][    C2] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   10.922595][    C2] Code: 48 8b 3d 94 02 06 02 e8 1f 00 00 00 48 2b 05 58 03 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 a6 17 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 02 06 02 	mov    0x2060294(%rip),%rdi        # 0x206029b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 03 a0 00 	sub    0xa00358(%rip),%rax        # 0xa0036b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 a6 17 00 	verw   0x17a613(%rip)        # 0x17a63b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   10.922596][    C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000246
[   10.922598][    C2] RAX: 0000000000000002 RBX: ff11000001bf46c0 RCX: 0000000000000001
[   10.922599][    C2] RDX: 0000000000000002 RSI: ffffffffba28dc60 RDI: ffffffffb78fa307
[   10.922600][    C2] RBP: 0000000000000000 R08: ffffffffb9f1f421 R09: 1fe2200006a663a2
[   10.922601][    C2] R10: 0000000000000002 R11: 0000000000000000 R12: 1ff400000002afc3
[   10.922602][    C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   10.922603][    C2]  ? ct_kernel_exit.constprop.0 (./include/linux/instrumented.h:97 kernel/context_tracking.c:124)
[   10.922605][    C2]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   10.922607][    C2]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   10.922608][    C2]  default_idle_call (kernel/sched/idle.c:122)
[   10.922609][    C2]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   10.922611][    C2]  ? arch_cpu_idle_exit+0x40/0x40
[   10.922612][    C2]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   10.922615][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.922617][    C2]  do_idle (kernel/sched/idle.c:355)
[   10.922618][    C2]  cpu_startup_entry (kernel/sched/idle.c:454)
[   10.922619][    C2]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   10.922621][    C2]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   10.922623][    C2]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   12.011387][    C2] softirqs last disabled at (261525): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   12.011389][    C2] Preemption disabled at:
| [   12.011390][    C2] 0x0
| [   12.011397][    C2] Tainted: [W]=WARN
[   12.011397][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.011398][    C2] Call Trace:
[   12.011399][    C2]  <IRQ>
[   12.011401][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.011405][    C2]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.011407][    C2]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.011410][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.011413][    C2]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   12.011416][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   12.011417][    C2]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.011420][    C2]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.011422][    C2]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.011423][    C2]  put_chars (drivers/char/virtio_console.c:1176)
[   12.011425][    C2]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.011427][    C2]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   12.011429][    C2]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.011432][    C2]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.011434][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   12.011435][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.011437][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.011439][    C2]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.011441][    C2]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.011443][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.011445][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.011447][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.011448][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.011450][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   12.011452][    C2]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.011454][    C2]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.011456][    C2]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.011458][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.011459][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.011461][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.011463][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   12.011464][    C2]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.011465][    C2]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   12.011467][    C2]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.011469][    C2]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.011471][    C2]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.011473][    C2]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.011474][    C2]  ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123)
[   12.011476][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.011478][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.011479][    C2]  _printk (kernel/printk/printk.c:2504)
[   12.011481][    C2]  ? snapshot_read.cold (user.c:?)
[   12.011483][    C2]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   12.011485][    C2]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   12.011487][    C2]  ? idr_get_free (??:?)
[   12.011488][    C2]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[   12.011490][    C2]  tcp_make_synack.cold (net/ipv4/tcp_output.c:4011 (discriminator 3))
[   12.011493][    C2]  ? tcp_send_synack (./include/net/tcp_ecn.h:589)
[   12.011495][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.011497][    C2]  ? inet_csk_route_req (./include/linux/rcupdate.h:882 net/ipv4/inet_connection_sock.c:782)
[   12.011500][    C2]  tcp_v4_send_synack (net/ipv4/tcp_ipv4.c:1179)
[   12.011502][    C2]  ? tcp_v4_timewait_ack (net/ipv4/tcp_ipv4.c:1046)
[   12.011504][    C2]  ? sched_balance_find_src_group (kernel/sched/fair.c:12940)
[   12.011506][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.011507][    C2]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   12.011509][    C2]  ? get_random_u16 (./include/linux/local_lock_internal.h:60 (discriminator 7))
[   12.011511][    C2]  tcp_rtx_synack (net/ipv4/tcp_output.c:4651)
[   12.011512][    C2]  ? tcp_send_probe0 (net/ipv4/tcp_output.c:4621)
[   12.011515][    C2]  ? sched_balance_rq (kernel/sched/fair.c:13468)
[   12.011516][    C2]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   12.011518][    C2]  reqsk_timer_handler (net/ipv4/inet_connection_sock.c:1107)
[   12.011520][    C2]  ? __inet_csk_reqsk_queue_drop (./include/linux/list_nulls.h:111 (discriminator 2))
[   12.011521][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 5) ./include/trace/events/lock.h:23 (discriminator 5) kernel/locking/lockdep.c:5871 (discriminator 5))
[   12.011523][    C2]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.011524][    C2]  ? __inet_csk_reqsk_queue_drop (./include/linux/list_nulls.h:111 (discriminator 2))
[   12.011526][    C2]  call_timer_fn (kernel/time/timer.c:1748)
[   12.011528][    C2]  ? detach_if_pending (./include/linux/list.h:1159)
[   12.011529][    C2]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   12.011533][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   12.011534][    C2]  ? timer_recalc_next_expiry (./include/linux/find.h:71 kernel/time/timer.c:1843 kernel/time/timer.c:1865)
[   12.011536][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.011538][    C2]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   12.011540][    C2]  ? __inet_csk_reqsk_queue_drop (./include/linux/list_nulls.h:111 (discriminator 2))
[   12.011541][    C2]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   12.011544][    C2]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   12.011546][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   12.011548][    C2]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   12.011550][    C2]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   12.011551][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.011553][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.011554][    C2]  handle_softirqs (kernel/softirq.c:645)
[   12.011556][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   12.011558][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.011559][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   12.011561][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   12.011562][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   12.011564][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   12.011565][    C2]  </IRQ>
[   12.011566][    C2]  <TASK>
[   12.011566][    C2]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:201 (discriminator 1) kernel/locking/spinlock.c:213 (discriminator 1))
[   12.011568][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   12.011573][    C2] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   12.011575][    C2] Code: 48 8b 3d 94 02 06 02 e8 1f 00 00 00 48 2b 05 58 03 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 a6 17 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 02 06 02 	mov    0x2060294(%rip),%rdi        # 0x206029b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 03 a0 00 	sub    0xa00358(%rip),%rax        # 0xa0036b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 a6 17 00 	verw   0x17a613(%rip)        # 0x17a63b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   12.011576][    C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000246
[   12.011578][    C2] RAX: 0000000000000002 RBX: ff11000001bf46c0 RCX: 0000000000000001
[   12.011580][    C2] RDX: 0000000000000002 RSI: ffffffffba28dc60 RDI: ffffffffb78fa307
[   12.011580][    C2] RBP: 0000000000000000 R08: ffffffffb9f1f421 R09: 1fe2200006a663a2
[   12.011581][    C2] R10: 0000000000000002 R11: 0000000000000000 R12: 1ff400000002afc3
[   12.011582][    C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   12.011583][    C2]  ? ct_kernel_exit.constprop.0 (./include/linux/instrumented.h:97 kernel/context_tracking.c:124)
[   12.011585][    C2]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   12.011587][    C2]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   12.011588][    C2]  default_idle_call (kernel/sched/idle.c:122)
[   12.011589][    C2]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   12.011591][    C2]  ? arch_cpu_idle_exit+0x40/0x40
[   12.011592][    C2]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   12.011594][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.011596][    C2]  do_idle (kernel/sched/idle.c:355)
[   12.011598][    C2]  cpu_startup_entry (kernel/sched/idle.c:454)
[   12.011599][    C2]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   12.011601][    C2]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   12.011603][    C2]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   13.098385][    C2] softirqs last disabled at (261525): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   13.098387][    C2] Preemption disabled at:
| [   13.098387][    C2] 0x0
| [   13.098394][    C2] Tainted: [W]=WARN
[   13.098394][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.098395][    C2] Call Trace:
[   13.098396][    C2]  <IRQ>
[   13.098397][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.098400][    C2]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.098402][    C2]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.098405][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.098408][    C2]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   13.098410][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   13.098412][    C2]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.098414][    C2]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.098415][    C2]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.098417][    C2]  put_chars (drivers/char/virtio_console.c:1176)
[   13.098419][    C2]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.098421][    C2]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   13.098423][    C2]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.098426][    C2]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.098427][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   13.098429][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.098430][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.098432][    C2]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.098434][    C2]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.098436][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.098438][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.098440][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.098441][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.098443][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   13.098445][    C2]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.098447][    C2]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.098450][    C2]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.098452][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.098453][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.098455][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.098456][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   13.098457][    C2]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.098459][    C2]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   13.098461][    C2]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.098462][    C2]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.098464][    C2]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.098466][    C2]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.098468][    C2]  ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123)
[   13.098470][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.098471][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.098473][    C2]  _printk (kernel/printk/printk.c:2504)
[   13.098475][    C2]  ? snapshot_read.cold (user.c:?)
[   13.098476][    C2]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   13.098478][    C2]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   13.098479][    C2]  ? idr_get_free (??:?)
[   13.098481][    C2]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[   13.098482][    C2]  tcp_make_synack.cold (net/ipv4/tcp_output.c:4011 (discriminator 3))
[   13.098485][    C2]  ? tcp_send_synack (./include/net/tcp_ecn.h:589)
[   13.098488][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.098490][    C2]  ? inet_csk_route_req (./include/linux/rcupdate.h:882 net/ipv4/inet_connection_sock.c:782)
[   13.098492][    C2]  tcp_v4_send_synack (net/ipv4/tcp_ipv4.c:1179)
[   13.098493][    C2]  ? enqueue_task_fair (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1252 kernel/sched/sched.h:3173 kernel/sched/sched.h:3178 kernel/sched/fair.c:7824 kernel/sched/fair.c:8060)
[   13.098496][    C2]  ? tcp_v4_timewait_ack (net/ipv4/tcp_ipv4.c:1046)
[   13.098497][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.098499][    C2]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   13.098500][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   13.098501][    C2]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.098503][    C2]  ? get_random_u16 (./include/linux/local_lock_internal.h:60 (discriminator 7))
[   13.098505][    C2]  tcp_rtx_synack (net/ipv4/tcp_output.c:4651)
[   13.098506][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.098508][    C2]  ? tcp_send_probe0 (net/ipv4/tcp_output.c:4621)
[   13.098510][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   13.098512][    C2]  ? __queue_work (./include/linux/rcupdate.h:882 kernel/workqueue.c:2459)
[   13.098514][    C2]  reqsk_timer_handler (net/ipv4/inet_connection_sock.c:1107)
[   13.098516][    C2]  ? __inet_csk_reqsk_queue_drop (./include/linux/list_nulls.h:111 (discriminator 2))
[   13.098517][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 5) ./include/trace/events/lock.h:23 (discriminator 5) kernel/locking/lockdep.c:5871 (discriminator 5))
[   13.098519][    C2]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.098520][    C2]  ? __inet_csk_reqsk_queue_drop (./include/linux/list_nulls.h:111 (discriminator 2))
[   13.098521][    C2]  call_timer_fn (kernel/time/timer.c:1748)
[   13.098524][    C2]  ? detach_if_pending (./include/linux/list.h:1159)
[   13.098525][    C2]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   13.098528][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.098531][    C2]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   13.098532][    C2]  ? __inet_csk_reqsk_queue_drop (./include/linux/list_nulls.h:111 (discriminator 2))
[   13.098534][    C2]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   13.098536][    C2]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   13.098538][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   13.098540][    C2]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   13.098542][    C2]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   13.098544][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.098545][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.098547][    C2]  handle_softirqs (kernel/softirq.c:645)
[   13.098549][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   13.098550][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.098552][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   13.098553][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   13.098555][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   13.098556][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   13.098558][    C2]  </IRQ>
[   13.098558][    C2]  <TASK>
[   13.098559][    C2]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:201 (discriminator 1) kernel/locking/spinlock.c:213 (discriminator 1))
[   13.098560][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   13.098562][    C2] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   13.098563][    C2] Code: 48 8b 3d 94 02 06 02 e8 1f 00 00 00 48 2b 05 58 03 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 a6 17 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 02 06 02 	mov    0x2060294(%rip),%rdi        # 0x206029b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 03 a0 00 	sub    0xa00358(%rip),%rax        # 0xa0036b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 a6 17 00 	verw   0x17a613(%rip)        # 0x17a63b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   13.098565][    C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000246
[   13.098567][    C2] RAX: 0000000000000002 RBX: ff11000001bf46c0 RCX: 0000000000000001
[   13.098568][    C2] RDX: 0000000000000002 RSI: ffffffffba28dc60 RDI: ffffffffb78fa307
[   13.098568][    C2] RBP: 0000000000000000 R08: ffffffffb9f1f421 R09: 1fe2200006a663a2
[   13.098569][    C2] R10: 0000000000000002 R11: 0000000000000000 R12: 1ff400000002afc3
[   13.098570][    C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   13.098571][    C2]  ? ct_kernel_exit.constprop.0 (./include/linux/instrumented.h:97 kernel/context_tracking.c:124)
[   13.098573][    C2]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   13.098575][    C2]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   13.098576][    C2]  default_idle_call (kernel/sched/idle.c:122)
[   13.098582][    C2]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   13.098583][    C2]  ? arch_cpu_idle_exit+0x40/0x40
[   13.098585][    C2]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   13.098587][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.098589][    C2]  do_idle (kernel/sched/idle.c:355)
[   13.098590][    C2]  cpu_startup_entry (kernel/sched/idle.c:454)
[   13.098591][    C2]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   13.098593][    C2]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   13.098595][    C2]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   14.186385][    C2] softirqs last disabled at (261525): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   14.186387][    C2] Preemption disabled at:
| [   14.186387][    C2] 0x0
| [   14.186393][    C2] Tainted: [W]=WARN
[   14.186394][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.186394][    C2] Call Trace:
[   14.186395][    C2]  <IRQ>
[   14.186396][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.186399][    C2]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.186401][    C2]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.186404][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.186406][    C2]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   14.186408][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   14.186410][    C2]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.186412][    C2]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.186414][    C2]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.186416][    C2]  put_chars (drivers/char/virtio_console.c:1176)
[   14.186417][    C2]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.186419][    C2]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   14.186422][    C2]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.186424][    C2]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.186426][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   14.186427][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.186429][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.186431][    C2]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.186433][    C2]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.186435][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.186437][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.186439][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.186440][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.186442][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   14.186444][    C2]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.186447][    C2]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.186449][    C2]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.186451][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.186452][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.186454][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.186455][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   14.186457][    C2]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.186458][    C2]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   14.186460][    C2]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.186462][    C2]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.186464][    C2]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.186466][    C2]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.186467][    C2]  ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123)
[   14.186469][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.186471][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.186473][    C2]  _printk (kernel/printk/printk.c:2504)
[   14.186474][    C2]  ? snapshot_read.cold (user.c:?)
[   14.186476][    C2]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   14.186478][    C2]  ? idr_get_free (??:?)
[   14.186480][    C2]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[   14.186481][    C2]  tcp_make_synack.cold (net/ipv4/tcp_output.c:4011 (discriminator 3))
[   14.186484][    C2]  ? tcp_send_synack (./include/net/tcp_ecn.h:589)
[   14.186486][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.186488][    C2]  ? inet_csk_route_req (./include/linux/rcupdate.h:882 net/ipv4/inet_connection_sock.c:782)
[   14.186490][    C2]  tcp_v4_send_synack (net/ipv4/tcp_ipv4.c:1179)
[   14.186492][    C2]  ? tcp_v4_timewait_ack (net/ipv4/tcp_ipv4.c:1046)
[   14.186494][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.186496][    C2]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   14.186497][    C2]  ? get_random_u16 (./include/linux/local_lock_internal.h:60 (discriminator 7))
[   14.186499][    C2]  tcp_rtx_synack (net/ipv4/tcp_output.c:4651)
[   14.186501][    C2]  ? tcp_send_probe0 (net/ipv4/tcp_output.c:4621)
[   14.186503][    C2]  ? sched_balance_rq (kernel/sched/fair.c:13468)
[   14.186505][    C2]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   14.186507][    C2]  reqsk_timer_handler (net/ipv4/inet_connection_sock.c:1107)
[   14.186508][    C2]  ? __inet_csk_reqsk_queue_drop (./include/linux/list_nulls.h:111 (discriminator 2))
[   14.186510][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 5) ./include/trace/events/lock.h:23 (discriminator 5) kernel/locking/lockdep.c:5871 (discriminator 5))
[   14.186511][    C2]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.186513][    C2]  ? __inet_csk_reqsk_queue_drop (./include/linux/list_nulls.h:111 (discriminator 2))
[   14.186514][    C2]  call_timer_fn (kernel/time/timer.c:1748)
[   14.186516][    C2]  ? detach_if_pending (./include/linux/list.h:1159)
[   14.186518][    C2]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   14.186521][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   14.186522][    C2]  ? timer_recalc_next_expiry (./include/linux/find.h:71 kernel/time/timer.c:1847 kernel/time/timer.c:1865)
[   14.186524][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.186526][    C2]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   14.186528][    C2]  ? __inet_csk_reqsk_queue_drop (./include/linux/list_nulls.h:111 (discriminator 2))
[   14.186530][    C2]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   14.186532][    C2]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   14.186534][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   14.186536][    C2]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   14.186538][    C2]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   14.186540][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.186541][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.186543][    C2]  handle_softirqs (kernel/softirq.c:645)
[   14.186545][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   14.186546][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.186548][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   14.186549][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   14.186551][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   14.186552][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   14.186554][    C2]  </IRQ>
[   14.186554][    C2]  <TASK>
[   14.186555][    C2]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:201 (discriminator 1) kernel/locking/spinlock.c:213 (discriminator 1))
[   14.186556][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   14.186558][    C2] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   14.186559][    C2] Code: 48 8b 3d 94 02 06 02 e8 1f 00 00 00 48 2b 05 58 03 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 a6 17 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 02 06 02 	mov    0x2060294(%rip),%rdi        # 0x206029b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 03 a0 00 	sub    0xa00358(%rip),%rax        # 0xa0036b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 a6 17 00 	verw   0x17a613(%rip)        # 0x17a63b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   14.186561][    C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000246
[   14.186563][    C2] RAX: 0000000000000002 RBX: ff11000001bf46c0 RCX: 0000000000000001
[   14.186564][    C2] RDX: 0000000000000002 RSI: ffffffffba28dc60 RDI: ffffffffb78fa307
[   14.186564][    C2] RBP: 0000000000000000 R08: ffffffffb9f1f421 R09: 1fe2200006a663a2
[   14.186565][    C2] R10: 0000000000000002 R11: 0000000000000000 R12: 1ff400000002afc3
[   14.186566][    C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   14.186567][    C2]  ? ct_kernel_exit.constprop.0 (./include/linux/instrumented.h:97 kernel/context_tracking.c:124)
[   14.186569][    C2]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   14.186571][    C2]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   14.186572][    C2]  default_idle_call (kernel/sched/idle.c:122)
[   14.186573][    C2]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   14.186575][    C2]  ? arch_cpu_idle_exit+0x40/0x40
[   14.186577][    C2]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   14.186578][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.186580][    C2]  do_idle (kernel/sched/idle.c:355)
[   14.186582][    C2]  cpu_startup_entry (kernel/sched/idle.c:454)
[   14.186583][    C2]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   14.186585][    C2]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   14.186591][    C2]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   15.210391][    C2] softirqs last disabled at (261525): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   15.210393][    C2] Preemption disabled at:
| [   15.210394][    C2] 0x0
| [   15.210400][    C2] Tainted: [W]=WARN
[   15.210401][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.210402][    C2] Call Trace:
[   15.210402][    C2]  <IRQ>
[   15.210404][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.210406][    C2]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.210408][    C2]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.210411][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.210413][    C2]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   15.210415][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   15.210417][    C2]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.210419][    C2]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   15.210421][    C2]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.210422][    C2]  put_chars (drivers/char/virtio_console.c:1176)
[   15.210424][    C2]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.210426][    C2]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   15.210428][    C2]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.210431][    C2]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.210432][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   15.210434][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.210436][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.210438][    C2]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.210440][    C2]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.210442][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.210444][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.210445][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.210447][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.210449][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   15.210450][    C2]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.210452][    C2]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.210455][    C2]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.210457][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.210458][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.210460][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.210461][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   15.210463][    C2]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   15.210464][    C2]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   15.210466][    C2]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.210467][    C2]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.210469][    C2]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.210471][    C2]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.210473][    C2]  ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123)
[   15.210475][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.210476][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.210478][    C2]  _printk (kernel/printk/printk.c:2504)
[   15.210480][    C2]  ? snapshot_read.cold (user.c:?)
[   15.210481][    C2]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   15.210483][    C2]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   15.210485][    C2]  ? idr_get_free (??:?)
[   15.210486][    C2]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[   15.210488][    C2]  tcp_make_synack.cold (net/ipv4/tcp_output.c:4011 (discriminator 3))
[   15.210490][    C2]  ? tcp_send_synack (./include/net/tcp_ecn.h:589)
[   15.210492][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.210494][    C2]  ? inet_csk_route_req (./include/linux/rcupdate.h:882 net/ipv4/inet_connection_sock.c:782)
[   15.210496][    C2]  tcp_v4_send_synack (net/ipv4/tcp_ipv4.c:1179)
[   15.210498][    C2]  ? tcp_v4_timewait_ack (net/ipv4/tcp_ipv4.c:1046)
[   15.210500][    C2]  ? sched_balance_find_src_group (kernel/sched/fair.c:12940)
[   15.210502][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.210503][    C2]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   15.210505][    C2]  ? get_random_u16 (./include/linux/local_lock_internal.h:60 (discriminator 7))
[   15.210507][    C2]  tcp_rtx_synack (net/ipv4/tcp_output.c:4651)
[   15.210508][    C2]  ? tcp_send_probe0 (net/ipv4/tcp_output.c:4621)
[   15.210511][    C2]  ? sched_balance_rq (kernel/sched/fair.c:13468)
[   15.210512][    C2]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   15.210514][    C2]  reqsk_timer_handler (net/ipv4/inet_connection_sock.c:1107)
[   15.210516][    C2]  ? __inet_csk_reqsk_queue_drop (./include/linux/list_nulls.h:111 (discriminator 2))
[   15.210517][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 5) ./include/trace/events/lock.h:23 (discriminator 5) kernel/locking/lockdep.c:5871 (discriminator 5))
[   15.210519][    C2]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   15.210520][    C2]  ? __inet_csk_reqsk_queue_drop (./include/linux/list_nulls.h:111 (discriminator 2))
[   15.210521][    C2]  call_timer_fn (kernel/time/timer.c:1748)
[   15.210524][    C2]  ? detach_if_pending (./include/linux/list.h:1159)
[   15.210525][    C2]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   15.210528][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   15.210529][    C2]  ? timer_recalc_next_expiry (./include/linux/find.h:71 kernel/time/timer.c:1847 kernel/time/timer.c:1865)
[   15.210531][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.210533][    C2]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   15.210535][    C2]  ? __inet_csk_reqsk_queue_drop (./include/linux/list_nulls.h:111 (discriminator 2))
[   15.210537][    C2]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   15.210539][    C2]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   15.210541][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   15.210543][    C2]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   15.210545][    C2]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   15.210547][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.210548][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.210549][    C2]  handle_softirqs (kernel/softirq.c:645)
[   15.210552][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   15.210553][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.210555][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   15.210556][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   15.210558][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   15.210559][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   15.210560][    C2]  </IRQ>
[   15.210561][    C2]  <TASK>
[   15.210561][    C2]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:201 (discriminator 1) kernel/locking/spinlock.c:213 (discriminator 1))
[   15.210563][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   15.210564][    C2] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   15.210566][    C2] Code: 48 8b 3d 94 02 06 02 e8 1f 00 00 00 48 2b 05 58 03 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 a6 17 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 02 06 02 	mov    0x2060294(%rip),%rdi        # 0x206029b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 03 a0 00 	sub    0xa00358(%rip),%rax        # 0xa0036b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 a6 17 00 	verw   0x17a613(%rip)        # 0x17a63b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   15.210567][    C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000246
[   15.210569][    C2] RAX: 0000000000000002 RBX: ff11000001bf46c0 RCX: 0000000000000001
[   15.210570][    C2] RDX: 0000000000000002 RSI: ffffffffba28dc60 RDI: ffffffffb78fa307
[   15.210571][    C2] RBP: 0000000000000000 R08: ffffffffb9f1f421 R09: 1fe2200006a663a2
[   15.210572][    C2] R10: 0000000000000002 R11: 0000000000000000 R12: 1ff400000002afc3
[   15.210572][    C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   15.210574][    C2]  ? ct_kernel_exit.constprop.0 (./include/linux/instrumented.h:97 kernel/context_tracking.c:124)
[   15.210575][    C2]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   15.210577][    C2]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   15.210578][    C2]  default_idle_call (kernel/sched/idle.c:122)
[   15.210580][    C2]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   15.210581][    C2]  ? arch_cpu_idle_exit+0x40/0x40
[   15.210583][    C2]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   15.210585][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.210587][    C2]  do_idle (kernel/sched/idle.c:355)
[   15.210588][    C2]  cpu_startup_entry (kernel/sched/idle.c:454)
[   15.210589][    C2]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   15.210591][    C2]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))


Finger prints:
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_lock_spinning_enable
__irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
do_softirq:__dev_queue_xmit:dump_stack_lvl:__kmalloc_noprof:put_chars