======================================
| [ 20.620806][ C1]
| [ 20.620806][ C1]
| [ 20.620806][ C1] stack backtrace:
| [ 20.620812][ C1] Tainted: [W]=WARN
[ 20.620813][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.620815][ C1] Workqueue: ipv6_addrconf addrconf_dad_work
[ 20.620818][ C1] Call Trace:
[ 20.620819][ C1]
[ 20.620821][ C1] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[ 20.620825][ C1] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[ 20.620827][ C1] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[ 20.620829][ C1] ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450)
[ 20.620831][ C1] mark_lock (kernel/locking/lockdep.c:4769)
[ 20.620833][ C1] mark_usage (kernel/locking/lockdep.c:4658)
[ 20.620835][ C1] __lock_acquire (kernel/locking/lockdep.c:5208)
[ 20.620837][ C1] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[ 20.620838][ C1] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[ 20.620840][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 20.620844][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 20.620846][ C1] console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[ 20.620848][ C1] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[ 20.620850][ C1] console_emit_next_record (kernel/printk/printk.c:3177)
[ 20.620852][ C1] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[ 20.620853][ C1] ? 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))
[ 20.620855][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 20.620857][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 20.620859][ C1] console_flush_one_record (kernel/printk/printk.c:3268)
[ 20.620861][ C1] ? console_emit_next_record (kernel/printk/printk.c:3150)
[ 20.620863][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254)
[ 20.620865][ C1] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[ 20.620867][ C1] ? console_flush_one_record (kernel/printk/printk.c:3316)
[ 20.620868][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 20.620870][ C1] ? lock_acquire (kernel/locking/lockdep.c:5913)
[ 20.620872][ C1] ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[ 20.620873][ C1] ? vprintk_emit (kernel/printk/printk.c:2478)
[ 20.620875][ C1] vprintk_emit (kernel/printk/printk.c:2479)
[ 20.620878][ C1] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[ 20.620880][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[ 20.620882][ C1] _printk (kernel/printk/printk.c:2504)
[ 20.620884][ C1] ? snapshot_read.cold (user.c:?)
[ 20.620885][ C1] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[ 20.620888][ C1] ? ovpn_netdev_write (./include/linux/netdevice.h:3107 (discriminator 3)) ovpn
[ 20.620891][ C1] ? idr_get_free (??:?)
[ 20.620894][ C1] ovpn_recv.cold (drivers/net/ovpn/io.c:225 (discriminator 4)) ovpn
[ 20.620897][ C1] ovpn_tcp_rcv (drivers/net/ovpn/tcp.c:148) ovpn
[ 20.620900][ C1] ? ovpn_tcp_write_space (drivers/net/ovpn/tcp.c:488 (discriminator 2)) ovpn
[ 20.620902][ C1] ? __copy_skb_header (net/core/skbuff.c:1564)
[ 20.620905][ C1] ? ovpn_tcp_disconnect (drivers/net/ovpn/tcp.c:467) ovpn
[ 20.620907][ C1] ? sock_queue_err_skb (net/core/skbuff.c:5498 (discriminator 3))
[ 20.620910][ C1] __strp_recv (net/strparser/strparser.c:309)
[ 20.620912][ C1] ? __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))
[ 20.620914][ C1] ? ip_finish_output2 (./include/net/neighbour.h:558 net/ipv4/ip_output.c:236)
[ 20.620916][ C1] __tcp_read_sock (net/ipv4/tcp.c:1689)
[ 20.620918][ C1] ? strp_process (net/strparser/strparser.c:335)
[ 20.620920][ C1] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[ 20.620922][ C1] ? tcp_cleanup_rbuf (./include/linux/skbuff.h:2196)
[ 20.620923][ C1] ? trace_ipi_send_cpu.constprop.0 (./include/trace/events/ipi.h:10 (discriminator 22))
[ 20.620926][ C1] ? mark_usage (kernel/locking/lockdep.c:4690)
[ 20.620928][ C1] strp_read_sock (net/strparser/strparser.c:372)
[ 20.620930][ C1] ? strp_stop (net/strparser/strparser.c:527)
[ 20.620932][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 20.620934][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 20.620935][ C1] strp_data_ready (net/strparser/strparser.c:402 net/strparser/strparser.c:380)
[ 20.620938][ C1] ovpn_tcp_data_ready (drivers/net/ovpn/tcp.c:478) ovpn
[ 20.620940][ C1] tcp_data_queue (net/ipv4/tcp_input.c:5694)
[ 20.620943][ C1] ? tcp_data_ready (./include/net/tcp.h:308 (discriminator 3))
[ 20.620945][ C1] ? tcp_send_dupack (net/ipv4/tcp_input.c:5022)
[ 20.620947][ C1] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[ 20.620948][ C1] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[ 20.620950][ C1] ? ktime_get (./include/linux/seqlock.h:75 (discriminator 6) kernel/time/timekeeping.c:1002 (discriminator 6))
[ 20.620952][ C1] ? kvm_clock_get_cycles (arch/x86/kernel/kvmclock.c:80 (discriminator 1) arch/x86/kernel/kvmclock.c:87 (discriminator 1))
[ 20.620956][ C1] tcp_rcv_established (net/ipv4/tcp_input.c:6689)
[ 20.620958][ C1] ? down_read_nested (kernel/locking/rwsem.c:1291 kernel/locking/rwsem.c:1304 kernel/locking/rwsem.c:1710)
[ 20.620960][ C1] ? __tcp_check_space (net/ipv4/tcp_input.c:6059 (discriminator 2))
[ 20.620962][ C1] ? tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2292 (discriminator 1))
[ 20.620963][ C1] ? 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)
[ 20.620966][ C1] tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1862)
[ 20.620968][ C1] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2296)
[ 20.620970][ C1] ? mark_usage (kernel/locking/lockdep.c:4690)
[ 20.620972][ C1] ? tcp_add_backlog (./include/net/net_namespace.h:422 (discriminator 7))
[ 20.620974][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[ 20.620975][ C1] ? 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))
[ 20.620977][ C1] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207)
[ 20.620979][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2))
[ 20.620981][ C1] ip_local_deliver_finish (net/ipv4/ip_input.c:241 (discriminator 1))
[ 20.620983][ C1] ip_local_deliver (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:262)
[ 20.620985][ C1] ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42))
[ 20.620986][ C1] ? 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))
[ 20.620989][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2))
[ 20.620990][ C1] ip_rcv (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:612)
[ 20.620992][ C1] ? ip_local_deliver (./include/linux/rcupdate.h:878 (discriminator 3))
[ 20.620994][ C1] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[ 20.620996][ C1] ? mark_usage (kernel/locking/lockdep.c:4690)
[ 20.620997][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254)
[ 20.620999][ C1] ? trace_raw_output_rcu_invoke_kfree_bulk_callback (./include/trace/events/rcu.h:655)
[ 20.621001][ C1] __netif_receive_skb_one_core (net/core/dev.c:6264)
[ 20.621003][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[ 20.621004][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2))
[ 20.621006][ C1] ? __netif_receive_skb_list_core (net/core/dev.c:6310)
[ 20.621008][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 20.621010][ C1] process_backlog (net/core/dev.c:6728)
[ 20.621013][ C1] __napi_poll (net/core/dev.c:7787)
[ 20.621015][ C1] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007)
[ 20.621018][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254)
[ 20.621019][ C1] ? __napi_poll (./include/net/gro.h:507)
[ 20.621023][ C1] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:2859)
[ 20.621025][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341)
[ 20.621027][ C1] handle_softirqs (kernel/softirq.c:645)
[ 20.621029][ C1] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[ 20.621030][ C1] ? 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)
[ 20.621032][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 20.621033][ C1] ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2))
[ 20.621035][ C1] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19))
[ 20.621037][ C1]
[ 20.621037][ C1]
[ 20.621038][ C1] __local_bh_enable_ip (kernel/softirq.c:473)
[ 20.621039][ C1] __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))
[ 20.621042][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254)
[ 20.621043][ C1] ? do_ipv6_getsockopt (net/ipv6/ipv6_sockglue.c:1010 net/ipv6/ipv6_sockglue.c:1238)
[ 20.621045][ C1] ? netdev_core_pick_tx (net/core/dev.c:4784)
[ 20.621047][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367)
[ 20.621053][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[ 20.621054][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 20.621056][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341)
[ 20.621058][ C1] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[ 20.621059][ C1] ? __local_bh_enable_ip (kernel/softirq.c:478)
[ 20.621060][ C1] ? __local_bh_enable_ip (kernel/softirq.c:478)
[ 20.621061][ C1] ? ___neigh_create (./include/linux/spinlock.h:407 net/core/neighbour.c:721)
[ 20.621065][ C1] ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3))
[ 20.621068][ C1] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269)
[ 20.621070][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367)
[ 20.621071][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[ 20.621073][ C1] ? ip6_mtu (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/ip6_route.h:384 (discriminator 2) net/ipv6/route.c:3290 (discriminator 2))
[ 20.621075][ C1] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221)
[ 20.621077][ C1] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248)
[ 20.621079][ C1] ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1))
[ 20.621080][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[ 20.621082][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367)
[ 20.621083][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[ 20.621085][ C1] ? __local_bh_enable_ip (kernel/softirq.c:478)
[ 20.621087][ C1] ndisc_send_skb (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) net/ipv6/ndisc.c:513 (discriminator 4))
[ 20.621088][ C1] ? ndisc_recv_na (./include/net/net_namespace.h:422 (discriminator 7))
[ 20.621091][ C1] ? ndisc_alloc_skb (./include/linux/rcupdate.h:882 net/ipv6/ndisc.c:436)
[ 20.621092][ C1] ? __local_bh_enable_ip (kernel/softirq.c:478)
[ 20.621094][ C1] addrconf_dad_completed (net/ipv6/addrconf.c:4396)
[ 20.621096][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[ 20.621097][ C1] ? addrconf_rs_timer (net/ipv6/addrconf.c:4092 (discriminator 11))
[ 20.621099][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[ 20.621101][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 20.621102][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341)
[ 20.621104][ C1] ? addrconf_dad_begin (net/ipv6/addrconf.c:4158)
[ 20.621106][ C1] addrconf_dad_begin (net/ipv6/addrconf.c:4158)
[ 20.621108][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[ 20.621109][ C1] ? addrconf_dad_completed (net/ipv6/addrconf.c:4402)
[ 20.621111][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[ 20.621112][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 20.621114][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341)
[ 20.621116][ C1] addrconf_dad_work (net/ipv6/addrconf.c:4263)
[ 20.621118][ C1] ? addrconf_dad_begin (net/ipv6/addrconf.c:4180)
[ 20.621120][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 20.621122][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 20.621124][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 20.621125][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 20.621127][ C1] process_one_work (kernel/workqueue.c:3387)
[ 20.621130][ C1] ? __queue_delayed_work (kernel/workqueue.c:2622)
[ 20.621132][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[ 20.621135][ C1] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[ 20.621138][ C1] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[ 20.621139][ C1] kthread (kernel/kthread.c:436)
[ 20.621141][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 20.621143][ C1] ? kthread_affine_preferred (kernel/kthread.c:857)
[ 20.621145][ C1] ret_from_fork (arch/x86/kernel/process.c:158)
[ 20.621146][ C1] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[ 20.621148][ C1] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[ 20.621151][ C1] ? kthread_affine_preferred (kernel/kthread.c:857)
[ 20.621153][ C1] ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [ 20.621171][ C1] softirqs last disabled at (13751): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19))
| [ 20.621172][ C1] Preemption disabled at:
| [ 20.621173][ C1] __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))
| [ 20.621177][ C1] Tainted: [W]=WARN
[ 20.621178][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.621179][ C1] Workqueue: ipv6_addrconf addrconf_dad_work
[ 20.621181][ C1] Call Trace:
[ 20.621181][ C1]
[ 20.621182][ C1] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[ 20.621184][ C1] ? __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))
[ 20.621186][ C1] __might_resched.cold (kernel/sched/core.c:9234)
[ 20.621188][ C1] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[ 20.621191][ C1] ? nbcon_get_cpu_emergency_nesting (kernel/printk/nbcon.c:1424)
[ 20.621193][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 20.621195][ C1] __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))
[ 20.621197][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 20.621198][ C1] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[ 20.621200][ C1] ? 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)
[ 20.621202][ C1] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[ 20.621204][ C1] put_chars (drivers/char/virtio_console.c:1176)
[ 20.621206][ C1] ? __send_to_port (drivers/char/virtio_console.c:654)
[ 20.621207][ C1] ? mark_lock (kernel/locking/lockdep.c:4769)
[ 20.621209][ C1] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[ 20.621212][ C1] ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[ 20.621214][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 20.621215][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 20.621217][ C1] console_emit_next_record (kernel/printk/printk.c:3183)
[ 20.621220][ C1] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[ 20.621221][ C1] ? 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))
[ 20.621223][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 20.621225][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 20.621227][ C1] console_flush_one_record (kernel/printk/printk.c:3268)
[ 20.621229][ C1] ? console_emit_next_record (kernel/printk/printk.c:3150)
[ 20.621231][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254)
[ 20.621233][ C1] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[ 20.621235][ C1] ? console_flush_one_record (kernel/printk/printk.c:3316)
[ 20.621236][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 20.621238][ C1] ? lock_acquire (kernel/locking/lockdep.c:5913)
[ 20.621240][ C1] ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[ 20.621241][ C1] ? vprintk_emit (kernel/printk/printk.c:2478)
[ 20.621243][ C1] vprintk_emit (kernel/printk/printk.c:2479)
[ 20.621245][ C1] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[ 20.621247][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[ 20.621249][ C1] _printk (kernel/printk/printk.c:2504)
[ 20.621251][ C1] ? snapshot_read.cold (user.c:?)
[ 20.621253][ C1] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[ 20.621254][ C1] ? ovpn_netdev_write (./include/linux/netdevice.h:3107 (discriminator 3)) ovpn
[ 20.621257][ C1] ? idr_get_free (??:?)
[ 20.621259][ C1] ovpn_recv.cold (drivers/net/ovpn/io.c:225 (discriminator 4)) ovpn
[ 20.621262][ C1] ovpn_tcp_rcv (drivers/net/ovpn/tcp.c:148) ovpn
[ 20.621265][ C1] ? ovpn_tcp_write_space (drivers/net/ovpn/tcp.c:488 (discriminator 2)) ovpn
[ 20.621267][ C1] ? __copy_skb_header (net/core/skbuff.c:1564)
[ 20.621269][ C1] ? ovpn_tcp_disconnect (drivers/net/ovpn/tcp.c:467) ovpn
[ 20.621271][ C1] ? sock_queue_err_skb (net/core/skbuff.c:5498 (discriminator 3))
[ 20.621274][ C1] __strp_recv (net/strparser/strparser.c:309)
[ 20.621276][ C1] ? __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))
[ 20.621278][ C1] ? ip_finish_output2 (./include/net/neighbour.h:558 net/ipv4/ip_output.c:236)
[ 20.621280][ C1] __tcp_read_sock (net/ipv4/tcp.c:1689)
[ 20.621281][ C1] ? strp_process (net/strparser/strparser.c:335)
[ 20.621283][ C1] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[ 20.621285][ C1] ? tcp_cleanup_rbuf (./include/linux/skbuff.h:2196)
[ 20.621286][ C1] ? trace_ipi_send_cpu.constprop.0 (./include/trace/events/ipi.h:10 (discriminator 22))
[ 20.621288][ C1] ? mark_usage (kernel/locking/lockdep.c:4690)
[ 20.621290][ C1] strp_read_sock (net/strparser/strparser.c:372)
[ 20.621292][ C1] ? strp_stop (net/strparser/strparser.c:527)
[ 20.621294][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 20.621296][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 20.621297][ C1] strp_data_ready (net/strparser/strparser.c:402 net/strparser/strparser.c:380)
[ 20.621299][ C1] ovpn_tcp_data_ready (drivers/net/ovpn/tcp.c:478) ovpn
[ 20.621302][ C1] tcp_data_queue (net/ipv4/tcp_input.c:5694)
[ 20.621305][ C1] ? tcp_data_ready (./include/net/tcp.h:308 (discriminator 3))
[ 20.621306][ C1] ? tcp_send_dupack (net/ipv4/tcp_input.c:5022)
[ 20.621308][ C1] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[ 20.621309][ C1] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[ 20.621311][ C1] ? ktime_get (./include/linux/seqlock.h:75 (discriminator 6) kernel/time/timekeeping.c:1002 (discriminator 6))
[ 20.621312][ C1] ? kvm_clock_get_cycles (arch/x86/kernel/kvmclock.c:80 (discriminator 1) arch/x86/kernel/kvmclock.c:87 (discriminator 1))
[ 20.621314][ C1] tcp_rcv_established (net/ipv4/tcp_input.c:6689)
[ 20.621316][ C1] ? down_read_nested (kernel/locking/rwsem.c:1291 kernel/locking/rwsem.c:1304 kernel/locking/rwsem.c:1710)
[ 20.621318][ C1] ? __tcp_check_space (net/ipv4/tcp_input.c:6059 (discriminator 2))
[ 20.621320][ C1] ? tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2292 (discriminator 1))
[ 20.621321][ C1] ? 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)
[ 20.621323][ C1] tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1862)
[ 20.621325][ C1] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2296)
[ 20.621328][ C1] ? mark_usage (kernel/locking/lockdep.c:4690)
[ 20.621329][ C1] ? tcp_add_backlog (./include/net/net_namespace.h:422 (discriminator 7))
[ 20.621331][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[ 20.621333][ C1] ? 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))
[ 20.621335][ C1] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207)
[ 20.621336][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2))
[ 20.621338][ C1] ip_local_deliver_finish (net/ipv4/ip_input.c:241 (discriminator 1))
[ 20.621340][ C1] ip_local_deliver (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:262)
[ 20.621342][ C1] ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42))
[ 20.621343][ C1] ? 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))
[ 20.621346][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2))
[ 20.621347][ C1] ip_rcv (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:612)
[ 20.621349][ C1] ? ip_local_deliver (./include/linux/rcupdate.h:878 (discriminator 3))
[ 20.621350][ C1] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[ 20.621352][ C1] ? mark_usage (kernel/locking/lockdep.c:4690)
[ 20.621353][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254)
[ 20.621355][ C1] ? trace_raw_output_rcu_invoke_kfree_bulk_callback (./include/trace/events/rcu.h:655)
[ 20.621357][ C1] __netif_receive_skb_one_core (net/core/dev.c:6264)
[ 20.621359][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[ 20.621360][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2))
[ 20.621362][ C1] ? __netif_receive_skb_list_core (net/core/dev.c:6310)
[ 20.621364][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 20.621366][ C1] process_backlog (net/core/dev.c:6728)
[ 20.621369][ C1] __napi_poll (net/core/dev.c:7787)
[ 20.621371][ C1] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007)
[ 20.621373][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254)
[ 20.621375][ C1] ? __napi_poll (./include/net/gro.h:507)
[ 20.621378][ C1] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:2859)
[ 20.621380][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341)
[ 20.621382][ C1] handle_softirqs (kernel/softirq.c:645)
[ 20.621384][ C1] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[ 20.621385][ C1] ? 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)
[ 20.621386][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 20.621388][ C1] ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2))
[ 20.621390][ C1] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19))
[ 20.621392][ C1]
[ 20.621392][ C1]
[ 20.621393][ C1] __local_bh_enable_ip (kernel/softirq.c:473)
[ 20.621394][ C1] __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))
[ 20.621396][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254)
[ 20.621398][ C1] ? do_ipv6_getsockopt (net/ipv6/ipv6_sockglue.c:1010 net/ipv6/ipv6_sockglue.c:1238)
[ 20.621399][ C1] ? netdev_core_pick_tx (net/core/dev.c:4784)
[ 20.621401][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367)
[ 20.621402][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[ 20.621404][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 20.621405][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341)
[ 20.621407][ C1] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[ 20.621408][ C1] ? __local_bh_enable_ip (kernel/softirq.c:478)
[ 20.621409][ C1] ? __local_bh_enable_ip (kernel/softirq.c:478)
[ 20.621411][ C1] ? ___neigh_create (./include/linux/spinlock.h:407 net/core/neighbour.c:721)
[ 20.621413][ C1] ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3))
[ 20.621415][ C1] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269)
[ 20.621417][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367)
[ 20.621418][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[ 20.621420][ C1] ? ip6_mtu (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/ip6_route.h:384 (discriminator 2) net/ipv6/route.c:3290 (discriminator 2))
[ 20.621422][ C1] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221)
[ 20.621424][ C1] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248)
[ 20.621425][ C1] ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1))
[ 20.621427][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[ 20.621428][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367)
[ 20.621430][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[ 20.621431][ C1] ? __local_bh_enable_ip (kernel/softirq.c:478)
[ 20.621433][ C1] ndisc_send_skb (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) net/ipv6/ndisc.c:513 (discriminator 4))
[ 20.621435][ C1] ? ndisc_recv_na (./include/net/net_namespace.h:422 (discriminator 7))
[ 20.621437][ C1] ? ndisc_alloc_skb (./include/linux/rcupdate.h:882 net/ipv6/ndisc.c:436)
[ 20.621438][ C1] ? __local_bh_enable_ip (kernel/softirq.c:478)
[ 20.621440][ C1] addrconf_dad_completed (net/ipv6/addrconf.c:4396)
[ 20.621442][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[ 20.621444][ C1] ? addrconf_rs_timer (net/ipv6/addrconf.c:4092 (discriminator 11))
[ 20.621446][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[ 20.621447][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 20.621448][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341)
[ 20.621450][ C1] ? addrconf_dad_begin (net/ipv6/addrconf.c:4158)
[ 20.621452][ C1] addrconf_dad_begin (net/ipv6/addrconf.c:4158)
[ 20.621454][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[ 20.621455][ C1] ? addrconf_dad_completed (net/ipv6/addrconf.c:4402)
[ 20.621457][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[ 20.621458][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 20.621460][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341)
[ 20.621462][ C1] addrconf_dad_work (net/ipv6/addrconf.c:4263)
[ 20.621464][ C1] ? addrconf_dad_begin (net/ipv6/addrconf.c:4180)
[ 20.621466][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 20.621468][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 20.621470][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 20.621471][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 20.621473][ C1] process_one_work (kernel/workqueue.c:3387)
[ 20.621476][ C1] ? __queue_delayed_work (kernel/workqueue.c:2622)
[ 20.621477][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[ 20.621480][ C1] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[ 20.621483][ C1] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[ 20.621485][ C1] kthread (kernel/kthread.c:436)
[ 20.621486][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 20.621487][ C1] ? kthread_affine_preferred (kernel/kthread.c:857)
[ 20.621489][ C1] ret_from_fork (arch/x86/kernel/process.c:158)
[ 20.621490][ C1] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[ 20.621492][ C1] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[ 20.621494][ C1] ? kthread_affine_preferred (kernel/kthread.c:857)
[ 20.621495][ C1] ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [ 26.648376][ T478] softirqs last disabled at (0): 0x0
| [ 26.648377][ T478] Preemption disabled at:
| [ 26.648378][ T478] 0x0
| [ 26.648387][ T478] Tainted: [W]=WARN
[ 26.648388][ T478] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 26.648389][ T478] Call Trace:
[ 26.648391][ T478]
[ 26.648392][ T478] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[ 26.648397][ T478] __might_resched.cold (kernel/sched/core.c:9234)
[ 26.648401][ T478] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[ 26.648404][ T478] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[ 26.648406][ T478] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 26.648410][ T478] __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))
[ 26.648414][ T478] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 26.648416][ T478] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[ 26.648420][ T478] ? 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)
[ 26.648421][ T478] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[ 26.648423][ T478] put_chars (drivers/char/virtio_console.c:1176)
[ 26.648425][ T478] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[ 26.648427][ T478] ? __send_to_port (drivers/char/virtio_console.c:654)
[ 26.648428][ T478] ? printk_get_next_message (kernel/printk/printk.c:3072)
[ 26.648432][ T478] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[ 26.648435][ T478] ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[ 26.648437][ T478] ? 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)
[ 26.648438][ T478] ? vsnprintf (lib/vsprintf.c:2900)
[ 26.648441][ T478] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 26.648442][ T478] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 26.648444][ T478] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 26.648446][ T478] console_emit_next_record (kernel/printk/printk.c:3183)
[ 26.648449][ T478] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[ 26.648451][ T478] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 26.648452][ T478] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 26.648454][ T478] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 26.648456][ T478] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 26.648458][ T478] ? console_flush_one_record (kernel/printk/printk.c:3247)
[ 26.648459][ T478] console_flush_one_record (kernel/printk/printk.c:3268)
[ 26.648461][ T478] ? console_emit_next_record (kernel/printk/printk.c:3150)
[ 26.648464][ T478] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[ 26.648466][ T478] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 26.648467][ T478] ? console_flush_one_record (kernel/printk/printk.c:3316)
[ 26.648469][ T478] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 26.648471][ T478] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[ 26.648472][ T478] ? lock_acquire (kernel/locking/lockdep.c:5913)
[ 26.648473][ T478] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[ 26.648475][ T478] ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[ 26.648477][ T478] ? vprintk_emit (kernel/printk/printk.c:2478)
[ 26.648479][ T478] vprintk_emit (kernel/printk/printk.c:2479)
[ 26.648481][ T478] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[ 26.648484][ T478] _printk (kernel/printk/printk.c:2504)
[ 26.648487][ T478] ? snapshot_read.cold (user.c:?)
[ 26.648488][ T478] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 26.648491][ T478] ? 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)
[ 26.648492][ T478] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 26.648496][ T478] ? 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)
[ 26.648498][ T478] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[ 26.648501][ T478] ? exit_notify (kernel/exit.c:780)
[ 26.648504][ T478] __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116)
[ 26.648505][ T478] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61)
[ 26.648507][ T478] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[ 26.648510][ T478] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[ 26.648511][ T478] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[ 26.648514][ T478] RIP: 0033:0x7f9ce77ccc49
[ 26.648515][ T478] Code: Unable to access opcode bytes at 0x7f9ce77ccc1f.
Code starting with the faulting instruction
===========================================
[ 26.648516][ T478] RSP: 002b:00007f9ce6f8be60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c
[ 26.648520][ T478] RAX: ffffffffffffffda RBX: 00007f9ce6f8c6c0 RCX: 00007f9ce77ccc49
[ 26.648521][ T478] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000
[ 26.648522][ T478] RBP: 00007f9ce6f8bf70 R08: 0000000000000001 R09: 00007f9ce6f8c6c0
[ 26.648523][ T478] R10: 0000000000000008 R11: 0000000000000246 R12: 00007f9ce678c000
Finger prints:
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_lock_spinning_enable
__kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record:console_flush_one_record
do_softirq:__dev_queue_xmit:dump_stack_lvl:__kmalloc_noprof:put_chars