======================================
| [ 19.627282][ C0]
| [ 19.627283][ C0]
| [ 19.627283][ C0] stack backtrace:
| [ 19.627289][ C0] Tainted: [W]=WARN
[ 19.627289][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 19.627291][ C0] Workqueue: ipv6_addrconf addrconf_dad_work
[ 19.627294][ C0] Call Trace:
[ 19.627295][ C0]
[ 19.627297][ C0] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[ 19.627301][ C0] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[ 19.627303][ C0] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[ 19.627306][ C0] mark_lock (kernel/locking/lockdep.c:4769)
[ 19.627308][ C0] mark_usage (kernel/locking/lockdep.c:4658)
[ 19.627309][ C0] __lock_acquire (kernel/locking/lockdep.c:5208)
[ 19.627311][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[ 19.627313][ C0] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[ 19.627315][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 19.627318][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 19.627320][ C0] console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[ 19.627322][ C0] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[ 19.627323][ C0] console_emit_next_record (kernel/printk/printk.c:3177)
[ 19.627325][ C0] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[ 19.627327][ C0] ? 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))
[ 19.627329][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 19.627331][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 19.627333][ C0] console_flush_one_record (kernel/printk/printk.c:3268)
[ 19.627335][ C0] ? console_emit_next_record (kernel/printk/printk.c:3150)
[ 19.627336][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254)
[ 19.627338][ C0] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[ 19.627344][ C0] ? console_flush_one_record (kernel/printk/printk.c:3316)
[ 19.627345][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 19.627347][ C0] ? lock_acquire (kernel/locking/lockdep.c:5913)
[ 19.627349][ C0] ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[ 19.627350][ C0] ? vprintk_emit (kernel/printk/printk.c:2478)
[ 19.627352][ C0] vprintk_emit (kernel/printk/printk.c:2479)
[ 19.627354][ C0] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[ 19.627356][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[ 19.627359][ C0] _printk (kernel/printk/printk.c:2504)
[ 19.627360][ C0] ? snapshot_read.cold (user.c:?)
[ 19.627362][ C0] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[ 19.627365][ C0] ? ovpn_netdev_write (./include/linux/netdevice.h:3107 (discriminator 3)) ovpn
[ 19.627368][ C0] ? idr_get_free (??:?)
[ 19.627370][ C0] ovpn_recv.cold (drivers/net/ovpn/io.c:225 (discriminator 4)) ovpn
[ 19.627373][ C0] ovpn_tcp_rcv (drivers/net/ovpn/tcp.c:148) ovpn
[ 19.627376][ C0] ? ovpn_tcp_write_space (drivers/net/ovpn/tcp.c:488 (discriminator 2)) ovpn
[ 19.627378][ C0] ? __copy_skb_header (net/core/skbuff.c:1564)
[ 19.627381][ C0] ? ovpn_tcp_disconnect (drivers/net/ovpn/tcp.c:467) ovpn
[ 19.627384][ C0] ? sock_queue_err_skb (net/core/skbuff.c:5498 (discriminator 3))
[ 19.627386][ C0] __strp_recv (net/strparser/strparser.c:309)
[ 19.627389][ C0] __tcp_read_sock (net/ipv4/tcp.c:1689)
[ 19.627390][ C0] ? strp_process (net/strparser/strparser.c:335)
[ 19.627392][ C0] ? __tcp_transmit_skb (net/ipv4/tcp_output.c:1716)
[ 19.627394][ C0] ? tcp_cleanup_rbuf (./include/linux/skbuff.h:2196)
[ 19.627395][ C0] ? mark_usage (kernel/locking/lockdep.c:4690)
[ 19.627397][ C0] strp_read_sock (net/strparser/strparser.c:372)
[ 19.627399][ C0] ? strp_stop (net/strparser/strparser.c:527)
[ 19.627401][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 19.627403][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 19.627405][ C0] strp_data_ready (net/strparser/strparser.c:402 net/strparser/strparser.c:380)
[ 19.627407][ C0] ovpn_tcp_data_ready (drivers/net/ovpn/tcp.c:478) ovpn
[ 19.627410][ C0] tcp_rcv_established (net/ipv4/tcp_input.c:6654)
[ 19.627413][ C0] ? __tcp_check_space (net/ipv4/tcp_input.c:6059 (discriminator 2))
[ 19.627414][ C0] ? tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2292 (discriminator 1))
[ 19.627416][ C0] ? 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)
[ 19.627418][ C0] tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1862)
[ 19.627420][ C0] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2296)
[ 19.627423][ C0] ? mark_usage (kernel/locking/lockdep.c:4690)
[ 19.627424][ C0] ? tcp_add_backlog (./include/net/net_namespace.h:422 (discriminator 7))
[ 19.627426][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[ 19.627428][ C0] ? 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))
[ 19.627430][ C0] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207)
[ 19.627432][ C0] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2))
[ 19.627433][ C0] ip_local_deliver_finish (net/ipv4/ip_input.c:241 (discriminator 1))
[ 19.627435][ C0] ip_local_deliver (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:262)
[ 19.627437][ C0] ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42))
[ 19.627438][ C0] ? 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))
[ 19.627441][ C0] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2))
[ 19.627442][ C0] ip_rcv (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:612)
[ 19.627444][ C0] ? ip_local_deliver (./include/linux/rcupdate.h:878 (discriminator 3))
[ 19.627446][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 19.627447][ C0] ? __update_load_avg_cfs_rq (kernel/sched/pelt.c:329)
[ 19.627450][ C0] ? mark_usage (kernel/locking/lockdep.c:4690)
[ 19.627451][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254)
[ 19.627453][ C0] ? trace_raw_output_rcu_invoke_kfree_bulk_callback (./include/trace/events/rcu.h:655)
[ 19.627455][ C0] __netif_receive_skb_one_core (net/core/dev.c:6264)
[ 19.627457][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[ 19.627458][ C0] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2))
[ 19.627460][ C0] ? __netif_receive_skb_list_core (net/core/dev.c:6310)
[ 19.627462][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 19.627464][ C0] process_backlog (net/core/dev.c:6728)
[ 19.627467][ C0] __napi_poll (net/core/dev.c:7787)
[ 19.627469][ C0] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007)
[ 19.627472][ C0] ? __napi_poll (./include/net/gro.h:507)
[ 19.627474][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[ 19.627475][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4341)
[ 19.627478][ C0] ? clockevents_program_event (kernel/time/clockevents.c:372)
[ 19.627481][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4341)
[ 19.627482][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 19.627484][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4341)
[ 19.627486][ C0] handle_softirqs (kernel/softirq.c:645)
[ 19.627487][ C0] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[ 19.627489][ C0] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[ 19.627490][ C0] ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2))
[ 19.627492][ C0] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19))
[ 19.627494][ C0]
[ 19.627494][ C0]
[ 19.627495][ C0] __local_bh_enable_ip (kernel/softirq.c:473)
[ 19.627496][ C0] __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))
[ 19.627498][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254)
[ 19.627500][ C0] ? do_ipv6_getsockopt (./include/linux/rcupdate.h:878 (discriminator 1) net/ipv6/ipv6_sockglue.c:1332 (discriminator 1))
[ 19.627502][ C0] ? netdev_core_pick_tx (net/core/dev.c:4784)
[ 19.627503][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367)
[ 19.627505][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[ 19.627506][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 19.627508][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4341)
[ 19.627509][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[ 19.627511][ C0] ? __local_bh_enable_ip (kernel/softirq.c:478)
[ 19.627512][ C0] ? __local_bh_enable_ip (kernel/softirq.c:478)
[ 19.627514][ C0] ? ___neigh_create (./include/linux/spinlock.h:407 net/core/neighbour.c:721)
[ 19.627517][ C0] ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3))
[ 19.627519][ C0] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269)
[ 19.627520][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367)
[ 19.627522][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[ 19.627523][ C0] ? 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))
[ 19.627525][ C0] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221)
[ 19.627527][ C0] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248)
[ 19.627529][ C0] ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1))
[ 19.627531][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[ 19.627532][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367)
[ 19.627533][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[ 19.627535][ C0] ? __local_bh_enable_ip (kernel/softirq.c:478)
[ 19.627537][ C0] ndisc_send_skb (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) net/ipv6/ndisc.c:513 (discriminator 4))
[ 19.627539][ C0] ? ndisc_recv_na (./include/net/net_namespace.h:422 (discriminator 7))
[ 19.627541][ C0] ? ndisc_alloc_skb (./include/linux/rcupdate.h:882 net/ipv6/ndisc.c:436)
[ 19.627542][ C0] ? __local_bh_enable_ip (kernel/softirq.c:478)
[ 19.627544][ C0] addrconf_dad_completed (net/ipv6/addrconf.c:4396)
[ 19.627546][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[ 19.627547][ C0] ? addrconf_rs_timer (net/ipv6/addrconf.c:4092 (discriminator 11))
[ 19.627549][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[ 19.627551][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 19.627552][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4341)
[ 19.627554][ C0] ? addrconf_dad_begin (net/ipv6/addrconf.c:4158)
[ 19.627556][ C0] addrconf_dad_begin (net/ipv6/addrconf.c:4158)
[ 19.627557][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[ 19.627559][ C0] ? addrconf_dad_completed (net/ipv6/addrconf.c:4402)
[ 19.627561][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[ 19.627562][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 19.627564][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4341)
[ 19.627565][ C0] addrconf_dad_work (net/ipv6/addrconf.c:4263)
[ 19.627568][ C0] ? addrconf_dad_begin (net/ipv6/addrconf.c:4180)
[ 19.627570][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 19.627571][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 19.627573][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 19.627574][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 19.627576][ C0] process_one_work (kernel/workqueue.c:3387)
[ 19.627579][ C0] ? __queue_delayed_work (kernel/workqueue.c:2622)
[ 19.627581][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[ 19.627584][ C0] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[ 19.627586][ C0] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[ 19.627588][ C0] kthread (kernel/kthread.c:436)
[ 19.627590][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 19.627592][ C0] ? kthread_affine_preferred (kernel/kthread.c:857)
[ 19.627594][ C0] ret_from_fork (arch/x86/kernel/process.c:158)
[ 19.627595][ C0] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[ 19.627597][ C0] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[ 19.627599][ C0] ? kthread_affine_preferred (kernel/kthread.c:857)
[ 19.627601][ C0] ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [ 19.627619][ C0] softirqs last disabled at (1043): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19))
| [ 19.627620][ C0] Preemption disabled at:
| [ 19.627621][ C0] __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))
| [ 19.627625][ C0] Tainted: [W]=WARN
[ 19.627626][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 19.627627][ C0] Workqueue: ipv6_addrconf addrconf_dad_work
[ 19.627629][ C0] Call Trace:
[ 19.627629][ C0]
[ 19.627630][ C0] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[ 19.627632][ C0] ? __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))
[ 19.627634][ C0] __might_resched.cold (kernel/sched/core.c:9234)
[ 19.627636][ C0] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[ 19.627639][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 19.627641][ C0] __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))
[ 19.627643][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 19.627644][ C0] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[ 19.627646][ C0] ? 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)
[ 19.627648][ C0] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[ 19.627649][ C0] put_chars (drivers/char/virtio_console.c:1176)
[ 19.627651][ C0] ? __send_to_port (drivers/char/virtio_console.c:654)
[ 19.627654][ C0] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[ 19.627656][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5208)
[ 19.627658][ C0] ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[ 19.627659][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 19.627661][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 19.627663][ C0] console_emit_next_record (kernel/printk/printk.c:3183)
[ 19.627665][ C0] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[ 19.627667][ C0] ? 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))
[ 19.627669][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 19.627670][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 19.627672][ C0] console_flush_one_record (kernel/printk/printk.c:3268)
[ 19.627674][ C0] ? console_emit_next_record (kernel/printk/printk.c:3150)
[ 19.627676][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254)
[ 19.627678][ C0] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[ 19.627680][ C0] ? console_flush_one_record (kernel/printk/printk.c:3316)
[ 19.627682][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 19.627683][ C0] ? lock_acquire (kernel/locking/lockdep.c:5913)
[ 19.627685][ C0] ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[ 19.627687][ C0] ? vprintk_emit (kernel/printk/printk.c:2478)
[ 19.627689][ C0] vprintk_emit (kernel/printk/printk.c:2479)
[ 19.627691][ C0] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[ 19.627693][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[ 19.627695][ C0] _printk (kernel/printk/printk.c:2504)
[ 19.627696][ C0] ? snapshot_read.cold (user.c:?)
[ 19.627698][ C0] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[ 19.627699][ C0] ? ovpn_netdev_write (./include/linux/netdevice.h:3107 (discriminator 3)) ovpn
[ 19.627702][ C0] ? idr_get_free (??:?)
[ 19.627704][ C0] ovpn_recv.cold (drivers/net/ovpn/io.c:225 (discriminator 4)) ovpn
[ 19.627707][ C0] ovpn_tcp_rcv (drivers/net/ovpn/tcp.c:148) ovpn
[ 19.627709][ C0] ? ovpn_tcp_write_space (drivers/net/ovpn/tcp.c:488 (discriminator 2)) ovpn
[ 19.627712][ C0] ? __copy_skb_header (net/core/skbuff.c:1564)
[ 19.627714][ C0] ? ovpn_tcp_disconnect (drivers/net/ovpn/tcp.c:467) ovpn
[ 19.627716][ C0] ? sock_queue_err_skb (net/core/skbuff.c:5498 (discriminator 3))
[ 19.627718][ C0] __strp_recv (net/strparser/strparser.c:309)
[ 19.627721][ C0] __tcp_read_sock (net/ipv4/tcp.c:1689)
[ 19.627722][ C0] ? strp_process (net/strparser/strparser.c:335)
[ 19.627724][ C0] ? __tcp_transmit_skb (net/ipv4/tcp_output.c:1716)
[ 19.627726][ C0] ? tcp_cleanup_rbuf (./include/linux/skbuff.h:2196)
[ 19.627727][ C0] ? mark_usage (kernel/locking/lockdep.c:4690)
[ 19.627729][ C0] strp_read_sock (net/strparser/strparser.c:372)
[ 19.627731][ C0] ? strp_stop (net/strparser/strparser.c:527)
[ 19.627733][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 19.627735][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 19.627736][ C0] strp_data_ready (net/strparser/strparser.c:402 net/strparser/strparser.c:380)
[ 19.627738][ C0] ovpn_tcp_data_ready (drivers/net/ovpn/tcp.c:478) ovpn
[ 19.627741][ C0] tcp_rcv_established (net/ipv4/tcp_input.c:6654)
[ 19.627744][ C0] ? __tcp_check_space (net/ipv4/tcp_input.c:6059 (discriminator 2))
[ 19.627745][ C0] ? tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2292 (discriminator 1))
[ 19.627747][ C0] ? 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)
[ 19.627749][ C0] tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1862)
[ 19.627751][ C0] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2296)
[ 19.627754][ C0] ? mark_usage (kernel/locking/lockdep.c:4690)
[ 19.627755][ C0] ? tcp_add_backlog (./include/net/net_namespace.h:422 (discriminator 7))
[ 19.627757][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[ 19.627759][ C0] ? 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))
[ 19.627761][ C0] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207)
[ 19.627762][ C0] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2))
[ 19.627764][ C0] ip_local_deliver_finish (net/ipv4/ip_input.c:241 (discriminator 1))
[ 19.627766][ C0] ip_local_deliver (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:262)
[ 19.627768][ C0] ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42))
[ 19.627769][ C0] ? 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))
[ 19.627772][ C0] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2))
[ 19.627773][ C0] ip_rcv (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:612)
[ 19.627775][ C0] ? ip_local_deliver (./include/linux/rcupdate.h:878 (discriminator 3))
[ 19.627776][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 19.627778][ C0] ? __update_load_avg_cfs_rq (kernel/sched/pelt.c:329)
[ 19.627779][ C0] ? mark_usage (kernel/locking/lockdep.c:4690)
[ 19.627781][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254)
[ 19.627782][ C0] ? trace_raw_output_rcu_invoke_kfree_bulk_callback (./include/trace/events/rcu.h:655)
[ 19.627784][ C0] __netif_receive_skb_one_core (net/core/dev.c:6264)
[ 19.627786][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[ 19.627787][ C0] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2))
[ 19.627789][ C0] ? __netif_receive_skb_list_core (net/core/dev.c:6310)
[ 19.627791][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 19.627793][ C0] process_backlog (net/core/dev.c:6728)
[ 19.627796][ C0] __napi_poll (net/core/dev.c:7787)
[ 19.627803][ C0] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007)
[ 19.627806][ C0] ? __napi_poll (./include/net/gro.h:507)
[ 19.627808][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[ 19.627810][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4341)
[ 19.627812][ C0] ? clockevents_program_event (kernel/time/clockevents.c:372)
[ 19.627814][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4341)
[ 19.627815][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 19.627817][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4341)
[ 19.627819][ C0] handle_softirqs (kernel/softirq.c:645)
[ 19.627820][ C0] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[ 19.627822][ C0] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[ 19.627824][ C0] ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2))
[ 19.627825][ C0] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19))
[ 19.627827][ C0]
[ 19.627827][ C0]
[ 19.627828][ C0] __local_bh_enable_ip (kernel/softirq.c:473)
[ 19.627829][ C0] __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))
[ 19.627832][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254)
[ 19.627833][ C0] ? do_ipv6_getsockopt (./include/linux/rcupdate.h:878 (discriminator 1) net/ipv6/ipv6_sockglue.c:1332 (discriminator 1))
[ 19.627835][ C0] ? netdev_core_pick_tx (net/core/dev.c:4784)
[ 19.627836][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367)
[ 19.627838][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[ 19.627839][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 19.627841][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4341)
[ 19.627842][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[ 19.627843][ C0] ? __local_bh_enable_ip (kernel/softirq.c:478)
[ 19.627845][ C0] ? __local_bh_enable_ip (kernel/softirq.c:478)
[ 19.627846][ C0] ? ___neigh_create (./include/linux/spinlock.h:407 net/core/neighbour.c:721)
[ 19.627849][ C0] ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3))
[ 19.627851][ C0] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269)
[ 19.627852][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367)
[ 19.627854][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[ 19.627855][ C0] ? 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))
[ 19.627857][ C0] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221)
[ 19.627859][ C0] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248)
[ 19.627861][ C0] ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1))
[ 19.627862][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[ 19.627864][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367)
[ 19.627865][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[ 19.627867][ C0] ? __local_bh_enable_ip (kernel/softirq.c:478)
[ 19.627869][ C0] ndisc_send_skb (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) net/ipv6/ndisc.c:513 (discriminator 4))
[ 19.627870][ C0] ? ndisc_recv_na (./include/net/net_namespace.h:422 (discriminator 7))
[ 19.627873][ C0] ? ndisc_alloc_skb (./include/linux/rcupdate.h:882 net/ipv6/ndisc.c:436)
[ 19.627874][ C0] ? __local_bh_enable_ip (kernel/softirq.c:478)
[ 19.627876][ C0] addrconf_dad_completed (net/ipv6/addrconf.c:4396)
[ 19.627878][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[ 19.627879][ C0] ? addrconf_rs_timer (net/ipv6/addrconf.c:4092 (discriminator 11))
[ 19.627881][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[ 19.627882][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 19.627884][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4341)
[ 19.627886][ C0] ? addrconf_dad_begin (net/ipv6/addrconf.c:4158)
[ 19.627887][ C0] addrconf_dad_begin (net/ipv6/addrconf.c:4158)
[ 19.627889][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[ 19.627891][ C0] ? addrconf_dad_completed (net/ipv6/addrconf.c:4402)
[ 19.627893][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[ 19.627894][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 19.627895][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4341)
[ 19.627897][ C0] addrconf_dad_work (net/ipv6/addrconf.c:4263)
[ 19.627900][ C0] ? addrconf_dad_begin (net/ipv6/addrconf.c:4180)
[ 19.627902][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 19.627903][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 19.627905][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 19.627906][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 19.627908][ C0] process_one_work (kernel/workqueue.c:3387)
[ 19.627911][ C0] ? __queue_delayed_work (kernel/workqueue.c:2622)
[ 19.627913][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[ 19.627916][ C0] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[ 19.627918][ C0] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[ 19.627920][ C0] kthread (kernel/kthread.c:436)
[ 19.627921][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 19.627923][ C0] ? kthread_affine_preferred (kernel/kthread.c:857)
[ 19.627924][ C0] ret_from_fork (arch/x86/kernel/process.c:158)
[ 19.627926][ C0] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[ 19.627928][ C0] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[ 19.627929][ C0] ? kthread_affine_preferred (kernel/kthread.c:857)
[ 19.627931][ C0] ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [ 25.267019][ T478] softirqs last disabled at (0): 0x0
| [ 25.267021][ T478] Preemption disabled at:
| [ 25.267021][ T478] 0x0
| [ 25.267030][ T478] Tainted: [W]=WARN
[ 25.267031][ T478] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 25.267033][ T478] Call Trace:
[ 25.267035][ T478]
[ 25.267036][ T478] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[ 25.267041][ T478] __might_resched.cold (kernel/sched/core.c:9234)
[ 25.267045][ T478] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[ 25.267049][ T478] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[ 25.267051][ T478] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 25.267055][ 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))
[ 25.267058][ T478] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 25.267061][ T478] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[ 25.267065][ 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)
[ 25.267066][ T478] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[ 25.267068][ T478] put_chars (drivers/char/virtio_console.c:1176)
[ 25.267070][ T478] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[ 25.267072][ T478] ? __send_to_port (drivers/char/virtio_console.c:654)
[ 25.267073][ T478] ? printk_get_next_message (kernel/printk/printk.c:3072)
[ 25.267076][ T478] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[ 25.267080][ T478] ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[ 25.267082][ 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)
[ 25.267083][ T478] ? vsnprintf (lib/vsprintf.c:2900)
[ 25.267086][ T478] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 25.267088][ T478] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 25.267089][ T478] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 25.267091][ T478] console_emit_next_record (kernel/printk/printk.c:3183)
[ 25.267094][ T478] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[ 25.267096][ T478] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 25.267097][ T478] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 25.267099][ T478] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 25.267100][ T478] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 25.267102][ T478] ? console_flush_one_record (kernel/printk/printk.c:3247)
[ 25.267104][ T478] console_flush_one_record (kernel/printk/printk.c:3268)
[ 25.267106][ T478] ? console_emit_next_record (kernel/printk/printk.c:3150)
[ 25.267108][ T478] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[ 25.267110][ T478] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 25.267111][ T478] ? console_flush_one_record (kernel/printk/printk.c:3316)
[ 25.267113][ T478] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 25.267115][ T478] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[ 25.267116][ T478] ? lock_acquire (kernel/locking/lockdep.c:5913)
[ 25.267117][ T478] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[ 25.267119][ T478] ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[ 25.267121][ T478] ? vprintk_emit (kernel/printk/printk.c:2478)
[ 25.267123][ T478] vprintk_emit (kernel/printk/printk.c:2479)
[ 25.267125][ T478] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[ 25.267128][ T478] _printk (kernel/printk/printk.c:2504)
[ 25.267131][ T478] ? snapshot_read.cold (user.c:?)
[ 25.267133][ T478] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 25.267135][ 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)
[ 25.267137][ T478] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 25.267139][ 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)
[ 25.267141][ T478] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[ 25.267144][ T478] ? exit_notify (kernel/exit.c:780)
[ 25.267147][ T478] __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116)
[ 25.267149][ T478] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61)
[ 25.267151][ T478] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[ 25.267153][ T478] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[ 25.267155][ T478] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[ 25.267158][ T478] RIP: 0033:0x7ff2990cac49
[ 25.267159][ T478] Code: Unable to access opcode bytes at 0x7ff2990cac1f.
Code starting with the faulting instruction
===========================================
[ 25.267160][ T478] RSP: 002b:00007ff298889e60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c
[ 25.267164][ T478] RAX: ffffffffffffffda RBX: 00007ff29888a6c0 RCX: 00007ff2990cac49
[ 25.267165][ T478] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000
[ 25.267166][ T478] RBP: 00007ff298889f70 R08: 0000000000000001 R09: 00007ff29888a6c0
[ 25.267167][ T478] R10: 0000000000000008 R11: 0000000000000246 R12: 00007ff29808a000
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