====================================== | [ 14.590210][ T305] softirqs last disabled at (21155): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 14.590213][ T305] Preemption disabled at: | [ 14.590213][ T305] 0x0 | [ 14.590223][ T305] Tainted: [W]=WARN [ 14.590224][ T305] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.590226][ T305] Call Trace: [ 14.590227][ T305] [ 14.590229][ T305] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.590235][ T305] __might_resched.cold (kernel/sched/core.c:9234) [ 14.590240][ T305] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.590244][ T305] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.590249][ T305] __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)) [ 14.590251][ T305] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.590257][ T305] ? 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) [ 14.590259][ T305] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.590262][ T305] put_chars (drivers/char/virtio_console.c:1176) [ 14.590265][ T305] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.590267][ T305] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.590272][ T305] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.590277][ T305] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.590283][ T305] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.590285][ T305] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.590288][ T305] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.590292][ T305] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.590295][ T305] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.590297][ T305] ? 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)) [ 14.590300][ T305] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.590303][ T305] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.590306][ T305] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.590310][ T305] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.590312][ T305] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.590317][ T305] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.590320][ T305] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.590322][ T305] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.590324][ T305] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.590327][ T305] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.590329][ T305] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.590332][ T305] vprintk_emit (kernel/printk/printk.c:2479) [ 14.590336][ T305] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.590339][ T305] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.590343][ T305] _printk (kernel/printk/printk.c:2504) [ 14.590347][ T305] ? snapshot_read.cold (user.c:?) [ 14.590349][ T305] ? 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) [ 14.590352][ T305] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 14.590355][ T305] ? 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) [ 14.590358][ T305] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 14.590362][ T305] ? exit_notify (kernel/exit.c:780) [ 14.590363][ T305] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.590365][ T305] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.590369][ T305] do_group_exit (kernel/exit.c:1151) [ 14.590372][ T305] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 14.590374][ T305] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 14.590377][ T305] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.590381][ T305] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.590384][ T305] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.590386][ T305] RIP: 0033:0x7f82a60041b8 [ 14.590388][ T305] Code: Unable to access opcode bytes at 0x7f82a600418e. Code starting with the faulting instruction =========================================== [ 14.590389][ T305] RSP: 002b:00007ffddf754628 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 14.590391][ T305] RAX: ffffffffffffffda RBX: 00007f82a6134f88 RCX: 00007f82a60041b8 [ 14.590393][ T305] RDX: 00007f82a5d4efc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 14.590394][ T305] RBP: 00007ffddf754680 R08: 0000000000000000 R09: 0000000000008010 [ 14.590394][ T305] R10: 00007ffddf754440 R11: 0000000000000246 R12: 0000000000000001 [ 14.590395][ T305] R13: 0000000000000000 R14: 00007f82a6133680 R15: 00007f82a6134fa0 | [ 21.859870][ C1] | [ 21.859870][ C1] | [ 21.859870][ C1] stack backtrace: | [ 21.859876][ C1] Tainted: [W]=WARN [ 21.859877][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 21.859879][ C1] Workqueue: ipv6_addrconf addrconf_dad_work [ 21.859882][ C1] Call Trace: [ 21.859883][ C1] [ 21.859885][ C1] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 21.859889][ C1] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 21.859891][ C1] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 21.859893][ C1] mark_lock (kernel/locking/lockdep.c:4769) [ 21.859895][ C1] mark_usage (kernel/locking/lockdep.c:4658) [ 21.859897][ C1] __lock_acquire (kernel/locking/lockdep.c:5208) [ 21.859899][ C1] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 21.859900][ C1] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 21.859902][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.859906][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.859908][ C1] console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 21.859909][ C1] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 21.859911][ C1] console_emit_next_record (kernel/printk/printk.c:3177) [ 21.859913][ C1] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 21.859915][ 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)) [ 21.859916][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.859918][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.859920][ C1] console_flush_one_record (kernel/printk/printk.c:3268) [ 21.859922][ C1] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 21.859924][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.859926][ C1] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 21.859928][ C1] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 21.859929][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.859931][ C1] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 21.859933][ C1] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 21.859934][ C1] ? vprintk_emit (kernel/printk/printk.c:2478) [ 21.859936][ C1] vprintk_emit (kernel/printk/printk.c:2479) [ 21.859938][ C1] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 21.859940][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 21.859942][ C1] _printk (kernel/printk/printk.c:2504) [ 21.859944][ C1] ? snapshot_read.cold (user.c:?) [ 21.859946][ C1] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 21.859949][ C1] ? ovpn_netdev_write (./include/linux/netdevice.h:3107 (discriminator 3)) ovpn [ 21.859952][ C1] ? idr_get_free (??:?) [ 21.859954][ C1] ovpn_recv.cold (drivers/net/ovpn/io.c:225 (discriminator 4)) ovpn [ 21.859957][ C1] ovpn_tcp_rcv (drivers/net/ovpn/tcp.c:148) ovpn [ 21.859960][ C1] ? ovpn_tcp_write_space (drivers/net/ovpn/tcp.c:488 (discriminator 2)) ovpn [ 21.859962][ C1] ? __copy_skb_header (net/core/skbuff.c:1564) [ 21.859965][ C1] ? ovpn_tcp_disconnect (drivers/net/ovpn/tcp.c:467) ovpn [ 21.859968][ C1] ? sock_queue_err_skb (net/core/skbuff.c:5498 (discriminator 3)) [ 21.859970][ C1] __strp_recv (net/strparser/strparser.c:309) [ 21.859973][ C1] __tcp_read_sock (net/ipv4/tcp.c:1689) [ 21.859974][ C1] ? strp_process (net/strparser/strparser.c:335) [ 21.859976][ C1] ? __tcp_transmit_skb (net/ipv4/tcp_output.c:1716) [ 21.859978][ C1] ? tcp_cleanup_rbuf (./include/linux/skbuff.h:2196) [ 21.859979][ C1] ? mark_usage (kernel/locking/lockdep.c:4690) [ 21.859981][ C1] strp_read_sock (net/strparser/strparser.c:372) [ 21.859983][ C1] ? strp_stop (net/strparser/strparser.c:527) [ 21.859985][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.859987][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.859989][ C1] strp_data_ready (net/strparser/strparser.c:402 net/strparser/strparser.c:380) [ 21.859991][ C1] ovpn_tcp_data_ready (drivers/net/ovpn/tcp.c:478) ovpn [ 21.859993][ C1] tcp_rcv_established (net/ipv4/tcp_input.c:6654) [ 21.859996][ C1] ? __tcp_check_space (net/ipv4/tcp_input.c:6059 (discriminator 2)) [ 21.860000][ C1] ? tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2292 (discriminator 1)) [ 21.860002][ 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) [ 21.860004][ C1] tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1862) [ 21.860006][ C1] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2296) [ 21.860008][ C1] ? mark_usage (kernel/locking/lockdep.c:4690) [ 21.860010][ C1] ? tcp_add_backlog (./include/net/net_namespace.h:422 (discriminator 7)) [ 21.860012][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 21.860013][ 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)) [ 21.860015][ C1] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207) [ 21.860017][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 21.860019][ C1] ip_local_deliver_finish (net/ipv4/ip_input.c:241 (discriminator 1)) [ 21.860021][ C1] ip_local_deliver (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:262) [ 21.860023][ C1] ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42)) [ 21.860024][ 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)) [ 21.860027][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 21.860028][ C1] ip_rcv (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:612) [ 21.860030][ C1] ? ip_local_deliver (./include/linux/rcupdate.h:878 (discriminator 3)) [ 21.860032][ C1] ? mark_usage (kernel/locking/lockdep.c:4690) [ 21.860033][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.860035][ C1] __netif_receive_skb_one_core (net/core/dev.c:6264) [ 21.860037][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 21.860038][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 21.860040][ C1] ? __netif_receive_skb_list_core (net/core/dev.c:6310) [ 21.860042][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.860044][ C1] process_backlog (net/core/dev.c:6728) [ 21.860047][ C1] __napi_poll (net/core/dev.c:7787) [ 21.860049][ C1] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 21.860052][ C1] ? __napi_poll (./include/net/gro.h:507) [ 21.860054][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 21.860056][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 21.860058][ C1] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 21.860061][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.860062][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 21.860064][ C1] handle_softirqs (kernel/softirq.c:645) [ 21.860066][ C1] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 21.860067][ C1] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 21.860069][ 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)) [ 21.860071][ C1] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 21.860072][ C1] [ 21.860073][ C1] [ 21.860073][ C1] __local_bh_enable_ip (kernel/softirq.c:473) [ 21.860075][ 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)) [ 21.860077][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.860078][ C1] ? do_ipv6_getsockopt (./include/linux/lockdep.h:249 ./include/net/sock.h:1706 net/ipv6/ipv6_sockglue.c:1236) [ 21.860080][ C1] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 21.860082][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 21.860083][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 21.860085][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 21.860086][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 21.860088][ C1] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 21.860089][ C1] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 21.860091][ C1] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 21.860092][ C1] ? ___neigh_create (./include/linux/spinlock.h:407 net/core/neighbour.c:721) [ 21.860095][ C1] ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3)) [ 21.860097][ C1] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269) [ 21.860098][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 21.860100][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 21.860102][ 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)) [ 21.860104][ C1] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221) [ 21.860106][ C1] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248) [ 21.860108][ C1] ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1)) [ 21.860109][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 21.860110][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 21.860112][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 21.860113][ C1] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 21.860115][ 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)) [ 21.860117][ C1] ? ndisc_recv_na (./include/net/net_namespace.h:422 (discriminator 7)) [ 21.860119][ C1] ? ndisc_alloc_skb (./include/linux/rcupdate.h:882 net/ipv6/ndisc.c:436) [ 21.860120][ C1] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 21.860122][ C1] addrconf_dad_completed (net/ipv6/addrconf.c:4396) [ 21.860124][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 21.860126][ C1] ? addrconf_rs_timer (net/ipv6/addrconf.c:4092 (discriminator 11)) [ 21.860128][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 21.860129][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 21.860130][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 21.860132][ C1] ? addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 21.860134][ C1] addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 21.860136][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 21.860137][ C1] ? addrconf_dad_completed (net/ipv6/addrconf.c:4402) [ 21.860139][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 21.860140][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 21.860142][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 21.860144][ C1] addrconf_dad_work (net/ipv6/addrconf.c:4263) [ 21.860146][ C1] ? addrconf_dad_begin (net/ipv6/addrconf.c:4180) [ 21.860148][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.860150][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.860151][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.860152][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.860155][ C1] process_one_work (kernel/workqueue.c:3387) [ 21.860157][ C1] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 21.860159][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 21.860162][ C1] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 21.860164][ C1] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 21.860166][ C1] kthread (kernel/kthread.c:436) [ 21.860167][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 21.860170][ C1] ? kthread_affine_preferred (kernel/kthread.c:857) [ 21.860171][ C1] ret_from_fork (arch/x86/kernel/process.c:158) [ 21.860173][ C1] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 21.860175][ C1] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 21.860177][ C1] ? kthread_affine_preferred (kernel/kthread.c:857) [ 21.860179][ C1] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 21.860196][ C1] softirqs last disabled at (18685): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 21.860198][ C1] Preemption disabled at: | [ 21.860198][ 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)) | [ 21.860203][ C1] Tainted: [W]=WARN [ 21.860204][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 21.860204][ C1] Workqueue: ipv6_addrconf addrconf_dad_work [ 21.860206][ C1] Call Trace: [ 21.860207][ C1] [ 21.860207][ C1] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 21.860210][ 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)) [ 21.860212][ C1] __might_resched.cold (kernel/sched/core.c:9234) [ 21.860214][ C1] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 21.860217][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.860219][ 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)) [ 21.860221][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 21.860222][ C1] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.860224][ 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) [ 21.860225][ C1] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.860227][ C1] put_chars (drivers/char/virtio_console.c:1176) [ 21.860229][ C1] ? __send_to_port (drivers/char/virtio_console.c:654) [ 21.860232][ C1] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 21.860233][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5208) [ 21.860235][ C1] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 21.860237][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.860239][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.860241][ C1] console_emit_next_record (kernel/printk/printk.c:3183) [ 21.860243][ C1] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 21.860244][ 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)) [ 21.860246][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.860248][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.860250][ C1] console_flush_one_record (kernel/printk/printk.c:3268) [ 21.860252][ C1] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 21.860253][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.860255][ C1] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 21.860257][ C1] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 21.860259][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.860261][ C1] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 21.860262][ C1] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 21.860264][ C1] ? vprintk_emit (kernel/printk/printk.c:2478) [ 21.860266][ C1] vprintk_emit (kernel/printk/printk.c:2479) [ 21.860268][ C1] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 21.860270][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 21.860272][ C1] _printk (kernel/printk/printk.c:2504) [ 21.860273][ C1] ? snapshot_read.cold (user.c:?) [ 21.860275][ C1] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 21.860276][ C1] ? ovpn_netdev_write (./include/linux/netdevice.h:3107 (discriminator 3)) ovpn [ 21.860279][ C1] ? idr_get_free (??:?) [ 21.860281][ C1] ovpn_recv.cold (drivers/net/ovpn/io.c:225 (discriminator 4)) ovpn [ 21.860284][ C1] ovpn_tcp_rcv (drivers/net/ovpn/tcp.c:148) ovpn [ 21.860286][ C1] ? ovpn_tcp_write_space (drivers/net/ovpn/tcp.c:488 (discriminator 2)) ovpn [ 21.860289][ C1] ? __copy_skb_header (net/core/skbuff.c:1564) [ 21.860290][ C1] ? ovpn_tcp_disconnect (drivers/net/ovpn/tcp.c:467) ovpn [ 21.860293][ C1] ? sock_queue_err_skb (net/core/skbuff.c:5498 (discriminator 3)) [ 21.860295][ C1] __strp_recv (net/strparser/strparser.c:309) [ 21.860298][ C1] __tcp_read_sock (net/ipv4/tcp.c:1689) [ 21.860299][ C1] ? strp_process (net/strparser/strparser.c:335) [ 21.860301][ C1] ? __tcp_transmit_skb (net/ipv4/tcp_output.c:1716) [ 21.860302][ C1] ? tcp_cleanup_rbuf (./include/linux/skbuff.h:2196) [ 21.860304][ C1] ? mark_usage (kernel/locking/lockdep.c:4690) [ 21.860306][ C1] strp_read_sock (net/strparser/strparser.c:372) [ 21.860308][ C1] ? strp_stop (net/strparser/strparser.c:527) [ 21.860310][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.860312][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.860313][ C1] strp_data_ready (net/strparser/strparser.c:402 net/strparser/strparser.c:380) [ 21.860315][ C1] ovpn_tcp_data_ready (drivers/net/ovpn/tcp.c:478) ovpn [ 21.860318][ C1] tcp_rcv_established (net/ipv4/tcp_input.c:6654) [ 21.860320][ C1] ? __tcp_check_space (net/ipv4/tcp_input.c:6059 (discriminator 2)) [ 21.860322][ C1] ? tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2292 (discriminator 1)) [ 21.860324][ 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) [ 21.860326][ C1] tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1862) [ 21.860328][ C1] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2296) [ 21.860330][ C1] ? mark_usage (kernel/locking/lockdep.c:4690) [ 21.860332][ C1] ? tcp_add_backlog (./include/net/net_namespace.h:422 (discriminator 7)) [ 21.860334][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 21.860335][ 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)) [ 21.860337][ C1] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207) [ 21.860339][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 21.860341][ C1] ip_local_deliver_finish (net/ipv4/ip_input.c:241 (discriminator 1)) [ 21.860342][ C1] ip_local_deliver (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:262) [ 21.860344][ C1] ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42)) [ 21.860345][ 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)) [ 21.860348][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 21.860349][ C1] ip_rcv (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:612) [ 21.860351][ C1] ? ip_local_deliver (./include/linux/rcupdate.h:878 (discriminator 3)) [ 21.860353][ C1] ? mark_usage (kernel/locking/lockdep.c:4690) [ 21.860354][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.860356][ C1] __netif_receive_skb_one_core (net/core/dev.c:6264) [ 21.860358][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 21.860359][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 21.860361][ C1] ? __netif_receive_skb_list_core (net/core/dev.c:6310) [ 21.860363][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.860365][ C1] process_backlog (net/core/dev.c:6728) [ 21.860368][ C1] __napi_poll (net/core/dev.c:7787) [ 21.860370][ C1] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 21.860372][ C1] ? __napi_poll (./include/net/gro.h:507) [ 21.860375][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 21.860376][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 21.860378][ C1] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 21.860380][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.860382][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 21.860383][ C1] handle_softirqs (kernel/softirq.c:645) [ 21.860385][ C1] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 21.860386][ C1] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 21.860388][ 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)) [ 21.860390][ C1] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 21.860391][ C1] [ 21.860392][ C1] [ 21.860392][ C1] __local_bh_enable_ip (kernel/softirq.c:473) [ 21.860394][ 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)) [ 21.860396][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.860397][ C1] ? do_ipv6_getsockopt (./include/linux/lockdep.h:249 ./include/net/sock.h:1706 net/ipv6/ipv6_sockglue.c:1236) [ 21.860399][ C1] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 21.860401][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 21.860402][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 21.860403][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 21.860405][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 21.860406][ C1] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 21.860407][ C1] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 21.860409][ C1] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 21.860410][ C1] ? ___neigh_create (./include/linux/spinlock.h:407 net/core/neighbour.c:721) [ 21.860412][ C1] ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3)) [ 21.860414][ C1] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269) [ 21.860416][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 21.860417][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 21.860419][ 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)) [ 21.860420][ C1] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221) [ 21.860422][ C1] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248) [ 21.860424][ C1] ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1)) [ 21.860426][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 21.860427][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 21.860428][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 21.860430][ C1] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 21.860431][ 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)) [ 21.860433][ C1] ? ndisc_recv_na (./include/net/net_namespace.h:422 (discriminator 7)) [ 21.860435][ C1] ? ndisc_alloc_skb (./include/linux/rcupdate.h:882 net/ipv6/ndisc.c:436) [ 21.860436][ C1] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 21.860438][ C1] addrconf_dad_completed (net/ipv6/addrconf.c:4396) [ 21.860440][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 21.860442][ C1] ? addrconf_rs_timer (net/ipv6/addrconf.c:4092 (discriminator 11)) [ 21.860444][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 21.860445][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 21.860446][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 21.860448][ C1] ? addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 21.860450][ C1] addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 21.860452][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 21.860453][ C1] ? addrconf_dad_completed (net/ipv6/addrconf.c:4402) [ 21.860455][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 21.860456][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 21.860458][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 21.860460][ C1] addrconf_dad_work (net/ipv6/addrconf.c:4263) [ 21.860462][ C1] ? addrconf_dad_begin (net/ipv6/addrconf.c:4180) [ 21.860464][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.860465][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.860467][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.860468][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.860470][ C1] process_one_work (kernel/workqueue.c:3387) [ 21.860473][ C1] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 21.860475][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 21.860477][ C1] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 21.860480][ C1] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 21.860482][ C1] kthread (kernel/kthread.c:436) [ 21.860483][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 21.860484][ C1] ? kthread_affine_preferred (kernel/kthread.c:857) [ 21.860486][ C1] ret_from_fork (arch/x86/kernel/process.c:158) [ 21.860487][ C1] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 21.860489][ C1] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 21.860490][ C1] ? kthread_affine_preferred (kernel/kthread.c:857) [ 21.860492][ C1] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 30.643479][ T624] softirqs last disabled at (0): 0x0 | [ 30.643480][ T624] Preemption disabled at: | [ 30.643481][ T624] 0x0 | [ 30.643490][ T624] Tainted: [W]=WARN [ 30.643491][ T624] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 30.643492][ T624] Call Trace: [ 30.643494][ T624] [ 30.643495][ T624] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 30.643500][ T624] __might_resched.cold (kernel/sched/core.c:9234) [ 30.643504][ T624] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 30.643507][ T624] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 30.643510][ T624] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.643513][ T624] __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)) [ 30.643517][ T624] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 30.643519][ T624] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 30.643523][ T624] ? 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) [ 30.643525][ T624] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 30.643527][ T624] put_chars (drivers/char/virtio_console.c:1176) [ 30.643529][ T624] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 30.643530][ T624] ? __send_to_port (drivers/char/virtio_console.c:654) [ 30.643532][ T624] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 30.643535][ T624] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 30.643539][ T624] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 30.643541][ T624] ? 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) [ 30.643542][ T624] ? vsnprintf (lib/vsprintf.c:2900) [ 30.643545][ T624] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 30.643546][ T624] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.643548][ T624] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.643550][ T624] console_emit_next_record (kernel/printk/printk.c:3183) [ 30.643553][ T624] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 30.643555][ T624] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.643557][ T624] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.643558][ T624] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.643560][ T624] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.643562][ T624] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 30.643563][ T624] console_flush_one_record (kernel/printk/printk.c:3268) [ 30.643566][ T624] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 30.643568][ T624] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 30.643570][ T624] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.643571][ T624] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 30.643573][ T624] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.643575][ T624] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 30.643576][ T624] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 30.643578][ T624] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 30.643580][ T624] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 30.643581][ T624] ? vprintk_emit (kernel/printk/printk.c:2478) [ 30.643583][ T624] vprintk_emit (kernel/printk/printk.c:2479) [ 30.643586][ T624] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 30.643588][ T624] _printk (kernel/printk/printk.c:2504) [ 30.643591][ T624] ? snapshot_read.cold (user.c:?) [ 30.643593][ T624] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 30.643595][ T624] ? 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) [ 30.643597][ T624] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 30.643599][ T624] ? 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) [ 30.643601][ T624] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 30.643604][ T624] ? exit_notify (kernel/exit.c:780) [ 30.643606][ T624] __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116) [ 30.643608][ T624] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61) [ 30.643610][ T624] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 30.643613][ T624] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 30.643614][ T624] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 30.643617][ T624] RIP: 0033:0x7fb24fcf9c49 [ 30.643618][ T624] Code: Unable to access opcode bytes at 0x7fb24fcf9c1f. Code starting with the faulting instruction =========================================== [ 30.643619][ T624] RSP: 002b:00007fb24f4b8e60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 30.643623][ T624] RAX: ffffffffffffffda RBX: 00007fb24f4b96c0 RCX: 00007fb24fcf9c49 [ 30.643624][ T624] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 30.643625][ T624] RBP: 00007fb24f4b8f70 R08: 0000000000000001 R09: 00007fb24f4b96c0 [ 30.643626][ T624] R10: 0000000000000008 R11: 0000000000000246 R12: 00007fb24ecb9000 [ 30.643627][ T624] R13: 00007ffc3d30e720 R14: 0000000000000002 R15: 00007ffc3d30e827 | [ 31.823241][ T718] softirqs last disabled at (0): 0x0 | [ 31.823243][ T718] Preemption disabled at: | [ 31.823243][ T718] 0x0 | [ 31.823252][ T718] Tainted: [W]=WARN [ 31.823252][ T718] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 31.823254][ T718] Call Trace: [ 31.823255][ T718] [ 31.823257][ T718] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 31.823262][ T718] __might_resched.cold (kernel/sched/core.c:9234) [ 31.823266][ T718] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 31.823270][ T718] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.823274][ T718] __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)) [ 31.823277][ T718] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 31.823280][ T718] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 31.823284][ T718] ? 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) [ 31.823286][ T718] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 31.823288][ T718] put_chars (drivers/char/virtio_console.c:1176) [ 31.823290][ T718] ? __send_to_port (drivers/char/virtio_console.c:654) [ 31.823292][ T718] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 31.823295][ T718] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 31.823299][ T718] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 31.823300][ T718] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 31.823302][ T718] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.823304][ T718] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.823306][ T718] console_emit_next_record (kernel/printk/printk.c:3183) [ 31.823308][ T718] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 31.823310][ T718] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.823312][ T718] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.823313][ T718] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.823315][ T718] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.823317][ T718] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 31.823318][ T718] console_flush_one_record (kernel/printk/printk.c:3268) [ 31.823321][ T718] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 31.823323][ T718] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 31.823325][ T718] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.823326][ T718] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 31.823328][ T718] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.823330][ T718] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 31.823331][ T718] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 31.823333][ T718] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 31.823335][ T718] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 31.823337][ T718] ? vprintk_emit (kernel/printk/printk.c:2478) [ 31.823339][ T718] vprintk_emit (kernel/printk/printk.c:2479) [ 31.823341][ T718] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 31.823343][ T718] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 31.823345][ T718] ? __kernel_text_address (kernel/extable.c:79) [ 31.823346][ T718] ? write_profile (profile.c:?) [ 31.823348][ T718] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 31.823351][ T718] _printk (kernel/printk/printk.c:2504) [ 31.823354][ T718] ? snapshot_read.cold (user.c:?) [ 31.823356][ T718] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 31.823359][ T718] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 31.823360][ T718] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 31.823362][ T718] ? netdev_notice (net/core/dev.c:13194) [ 31.823363][ T718] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:76 (discriminator 1)) ovpn [ 31.823369][ T718] ? __module_address (kernel/module/main.c:3915) [ 31.823372][ T718] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.823373][ T718] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.823375][ T718] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 31.823377][ T718] ? ovpn_peer_get_by_id (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1346 ./include/linux/refcount.h:181 ./include/linux/refcount.h:317 ./include/linux/refcount.h:335 ./include/linux/kref.h:133 drivers/net/ovpn/peer.h:127 drivers/net/ovpn/peer.c:674) ovpn [ 31.823380][ T718] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 31.823384][ T718] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 31.823386][ T718] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.823388][ T718] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.823389][ T718] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 31.823391][ T718] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 31.823394][ T718] ? 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) [ 31.823396][ T718] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 31.823399][ T718] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn [ 31.823402][ T718] ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn [ 31.823405][ T718] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn [ 31.823408][ T718] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 31.823410][ T718] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 31.823413][ T718] ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3)) [ 31.823418][ T718] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 31.823419][ T718] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn [ 31.823423][ T718] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114) [ 31.823427][ T718] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2)) [ 31.823429][ T718] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.823431][ T718] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.823433][ T718] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 31.823437][ T718] ? write_profile (profile.c:?) [ 31.823438][ T718] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 31.823440][ T718] genl_family_rcv_msg (net/netlink/genetlink.c:1194) [ 31.823442][ T718] ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079) [ 31.823444][ T718] ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn [ 31.823446][ T718] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 31.823448][ T718] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn [ 31.823451][ T718] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 31.823452][ T718] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 31.823454][ T718] genl_rcv_msg (net/netlink/genetlink.c:1209) [ 31.823457][ T718] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 31.823459][ T718] ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2)) [ 31.823461][ T718] ? netlink_ack (./include/linux/skbuff.h:2718) [ 31.823463][ T718] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.823465][ T718] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.823466][ T718] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 31.823468][ T718] genl_rcv (net/netlink/genetlink.c:1218) [ 31.823470][ T718] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 31.823472][ T718] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 31.823474][ T718] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 31.823475][ T718] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 31.823476][ T718] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 31.823480][ T718] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 31.823482][ T718] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 31.823484][ T718] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.823486][ T718] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 31.823487][ T718] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 31.823491][ T718] ? copy_msghdr_from_user (net/socket.c:2650) [ 31.823492][ T718] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 31.823494][ T718] ? move_addr_to_kernel (net/socket.c:258) [ 31.823497][ T718] ___sys_sendmsg (net/socket.c:2767) [ 31.823499][ T718] ? copy_msghdr_from_user (net/socket.c:2619) [ 31.823500][ T718] ? kfree (mm/slub.c:6778 (discriminator 1)) [ 31.823505][ T718] __sys_sendmsg (net/socket.c:2799) [ 31.823507][ T718] ? __sys_sendmsg_sock (net/socket.c:2780) [ 31.823510][ T718] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.823511][ T718] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.823513][ T718] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 31.823516][ T718] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 31.823518][ T718] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 31.823519][ T718] RIP: 0033:0x7f1f4e79e54e [ 31.823521][ T718] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 31.823523][ T718] RSP: 002b:00007fff600e67a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 31.823527][ T718] RAX: ffffffffffffffda RBX: 000000003a207130 RCX: 00007f1f4e79e54e [ 31.823528][ T718] RDX: 0000000000000000 RSI: 00007fff600e6840 RDI: 0000000000000005 [ 31.823529][ T718] RBP: 00007fff600e67b0 R08: 0000000000000000 R09: 0000000000000000 [ 31.823529][ T718] R10: 0000000000000000 R11: 0000000000000202 R12: 000000003a207200 [ 31.823530][ T718] R13: 00007fff600e6840 R14: 000000003a208260 R15: 000000000040bda8 | [ 34.445894][ T770] softirqs last disabled at (0): 0x0 | [ 34.445895][ T770] Preemption disabled at: | [ 34.445896][ T770] 0x0 | [ 34.445904][ T770] Tainted: [W]=WARN [ 34.445905][ T770] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 34.445907][ T770] Call Trace: [ 34.445908][ T770] [ 34.445909][ T770] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 34.445915][ T770] __might_resched.cold (kernel/sched/core.c:9234) [ 34.445918][ T770] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 34.445922][ T770] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.445926][ T770] __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)) [ 34.445929][ T770] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 34.445932][ T770] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 34.445936][ T770] ? 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) [ 34.445937][ T770] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 34.445939][ T770] put_chars (drivers/char/virtio_console.c:1176) [ 34.445941][ T770] ? __send_to_port (drivers/char/virtio_console.c:654) [ 34.445943][ T770] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 34.445947][ T770] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 34.445950][ T770] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 34.445952][ T770] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 34.445953][ T770] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.445955][ T770] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.445957][ T770] console_emit_next_record (kernel/printk/printk.c:3183) [ 34.445959][ T770] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 34.445962][ T770] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.445963][ T770] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.445965][ T770] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.445966][ T770] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.445968][ T770] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 34.445970][ T770] console_flush_one_record (kernel/printk/printk.c:3268) [ 34.445972][ T770] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 34.445975][ T770] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 34.445976][ T770] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.445978][ T770] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 34.445979][ T770] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.445981][ T770] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 34.445983][ T770] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 34.445984][ T770] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 34.445986][ T770] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 34.445988][ T770] ? vprintk_emit (kernel/printk/printk.c:2478) [ 34.445990][ T770] vprintk_emit (kernel/printk/printk.c:2479) [ 34.445992][ T770] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 34.445994][ T770] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 34.445996][ T770] ? __kernel_text_address (kernel/extable.c:79) [ 34.445999][ T770] ? write_profile (profile.c:?) [ 34.446002][ T770] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 34.446004][ T770] _printk (kernel/printk/printk.c:2504) [ 34.446007][ T770] ? snapshot_read.cold (user.c:?) [ 34.446009][ T770] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 34.446012][ T770] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 34.446014][ T770] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 34.446015][ T770] ? netdev_notice (net/core/dev.c:13194) [ 34.446017][ T770] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:76 (discriminator 1)) ovpn [ 34.446022][ T770] ? __module_address (kernel/module/main.c:3915) [ 34.446025][ T770] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.446027][ T770] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.446028][ T770] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 34.446030][ T770] ? ovpn_peer_get_by_id (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1346 ./include/linux/refcount.h:181 ./include/linux/refcount.h:317 ./include/linux/refcount.h:335 ./include/linux/kref.h:133 drivers/net/ovpn/peer.h:127 drivers/net/ovpn/peer.c:674) ovpn [ 34.446033][ T770] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 34.446037][ T770] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 34.446039][ T770] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.446041][ T770] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.446042][ T770] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 34.446044][ T770] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 34.446047][ T770] ? 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) [ 34.446049][ T770] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 34.446052][ T770] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn [ 34.446055][ T770] ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn [ 34.446058][ T770] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn [ 34.446060][ T770] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 34.446063][ T770] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 34.446065][ T770] ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3)) [ 34.446070][ T770] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 34.446072][ T770] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn [ 34.446075][ T770] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114) [ 34.446079][ T770] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2)) [ 34.446081][ T770] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.446083][ T770] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.446085][ T770] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 34.446089][ T770] ? write_profile (profile.c:?) [ 34.446090][ T770] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 34.446091][ T770] genl_family_rcv_msg (net/netlink/genetlink.c:1194) [ 34.446094][ T770] ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079) [ 34.446096][ T770] ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn [ 34.446098][ T770] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 34.446100][ T770] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn [ 34.446102][ T770] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 34.446104][ T770] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 34.446106][ T770] genl_rcv_msg (net/netlink/genetlink.c:1209) [ 34.446108][ T770] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 34.446110][ T770] ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2)) [ 34.446112][ T770] ? netlink_ack (./include/linux/skbuff.h:2718) [ 34.446115][ T770] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.446116][ T770] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.446118][ T770] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 34.446120][ T770] genl_rcv (net/netlink/genetlink.c:1218) [ 34.446121][ T770] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 34.446124][ T770] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 34.446125][ T770] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 34.446127][ T770] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 34.446128][ T770] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 34.446131][ T770] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 34.446133][ T770] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 34.446135][ T770] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.446137][ T770] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 34.446139][ T770] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 34.446142][ T770] ? copy_msghdr_from_user (net/socket.c:2650) [ 34.446144][ T770] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 34.446146][ T770] ? move_addr_to_kernel (net/socket.c:258) [ 34.446148][ T770] ___sys_sendmsg (net/socket.c:2767) [ 34.446150][ T770] ? copy_msghdr_from_user (net/socket.c:2619) [ 34.446152][ T770] ? kfree (mm/slub.c:6778 (discriminator 1)) [ 34.446156][ T770] __sys_sendmsg (net/socket.c:2799) [ 34.446159][ T770] ? __sys_sendmsg_sock (net/socket.c:2780) [ 34.446161][ T770] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.446163][ T770] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.446165][ T770] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 34.446168][ T770] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 34.446169][ T770] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 34.446172][ T770] RIP: 0033:0x7f4215b4d54e [ 34.446173][ T770] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 34.446175][ T770] RSP: 002b:00007ffcab10da80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 34.446178][ T770] RAX: ffffffffffffffda RBX: 000000002a700130 RCX: 00007f4215b4d54e [ 34.446180][ T770] RDX: 0000000000000000 RSI: 00007ffcab10db20 RDI: 0000000000000005 [ 34.446180][ T770] RBP: 00007ffcab10da90 R08: 0000000000000000 R09: 0000000000000000 [ 34.446181][ T770] R10: 0000000000000000 R11: 0000000000000202 R12: 000000002a700200 [ 34.446182][ T770] R13: 00007ffcab10db20 R14: 000000002a701260 R15: 000000000040bda8 | [ 39.137063][ T60] softirqs last disabled at (28718): neigh_managed_work (./include/linux/spinlock.h:353 net/core/neighbour.c:1664) | [ 39.137068][ T60] Preemption disabled at: | [ 39.137068][ T60] 0x0 | [ 39.137078][ T60] Tainted: [W]=WARN [ 39.137079][ T60] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 39.137081][ T60] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 39.137089][ T60] Call Trace: [ 39.137090][ T60] [ 39.137092][ T60] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 39.137097][ T60] __might_resched.cold (kernel/sched/core.c:9234) [ 39.137100][ T60] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 39.137104][ T60] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 39.137106][ T60] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.137110][ T60] __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)) [ 39.137113][ T60] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 39.137116][ T60] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 39.137120][ T60] ? 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) [ 39.137121][ T60] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 39.137123][ T60] put_chars (drivers/char/virtio_console.c:1176) [ 39.137126][ T60] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 39.137127][ T60] ? __send_to_port (drivers/char/virtio_console.c:654) [ 39.137129][ T60] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 39.137132][ T60] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 39.137135][ T60] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 39.137137][ T60] ? 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) [ 39.137138][ T60] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 39.137140][ T60] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 39.137142][ T60] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.137144][ T60] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.137146][ T60] console_emit_next_record (kernel/printk/printk.c:3183) [ 39.137148][ T60] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 39.137150][ T60] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.137152][ T60] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.137153][ T60] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.137155][ T60] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.137157][ T60] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 39.137158][ T60] console_flush_one_record (kernel/printk/printk.c:3268) [ 39.137161][ T60] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 39.137163][ T60] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 39.137165][ T60] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.137166][ T60] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 39.137168][ T60] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.137170][ T60] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 39.137171][ T60] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 39.137173][ T60] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 39.137175][ T60] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 39.137176][ T60] ? vprintk_emit (kernel/printk/printk.c:2478) [ 39.137178][ T60] vprintk_emit (kernel/printk/printk.c:2479) [ 39.137180][ T60] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 39.137182][ T60] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 39.137185][ T60] ? queued_spin_lock_slowpath (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1279 ./arch/x86/include/asm/paravirt-spinlock.h:144 kernel/locking/qspinlock.c:163) [ 39.137186][ T60] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.137188][ T60] ? stack_access_ok (./arch/x86/include/asm/stacktrace.h:55) [ 39.137190][ T60] _printk (kernel/printk/printk.c:2504) [ 39.137193][ T60] ? snapshot_read.cold (user.c:?) [ 39.137195][ T60] ? __add_to_free_list (mm/page_alloc.c:447 mm/page_alloc.c:801) [ 39.137197][ T60] ? __mod_zone_page_state (mm/vmstat.c:371) [ 39.137200][ T60] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 39.137203][ T60] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 39.137205][ T60] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 39.137206][ T60] ? netdev_notice (net/core/dev.c:13194) [ 39.137208][ T60] ? free_pcppages_bulk (./include/trace/events/kmem.h:246 (discriminator 22) mm/page_alloc.c:1516 (discriminator 22)) [ 39.137210][ T60] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.137212][ T60] ? 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) [ 39.137214][ T60] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 39.137218][ T60] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 39.137220][ T60] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 39.137222][ T60] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.137224][ T60] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.137226][ T60] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 39.137229][ T60] ? 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) [ 39.137231][ T60] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 39.137233][ T60] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 39.137235][ T60] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.137236][ T60] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 39.137237][ T60] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 39.137239][ T60] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn [ 39.137242][ T60] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn [ 39.137244][ T60] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 39.137247][ T60] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1396 drivers/net/ovpn/peer.c:1452) ovpn [ 39.137250][ T60] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn [ 39.137252][ T60] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.137254][ T60] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.137255][ T60] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.137257][ T60] process_one_work (kernel/workqueue.c:3387) [ 39.137260][ T60] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 39.137262][ T60] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 39.137264][ T60] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 39.137266][ T60] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 39.137268][ T60] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 39.137270][ T60] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 39.137273][ T60] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 39.137275][ T60] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 39.137276][ T60] kthread (kernel/kthread.c:436) [ 39.137278][ T60] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 39.137279][ T60] ? kthread_affine_preferred (kernel/kthread.c:857) [ 39.137281][ T60] ret_from_fork (arch/x86/kernel/process.c:158) [ 39.137284][ T60] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 39.137285][ T60] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 39.137288][ T60] ? kthread_affine_preferred (kernel/kthread.c:857) [ 39.137289][ T60] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 40.161027][ T60] softirqs last disabled at (28718): neigh_managed_work (./include/linux/spinlock.h:353 net/core/neighbour.c:1664) | [ 40.161031][ T60] Preemption disabled at: | [ 40.161031][ T60] 0x0 | [ 40.161037][ T60] Tainted: [W]=WARN [ 40.161038][ T60] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 40.161039][ T60] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 40.161045][ T60] Call Trace: [ 40.161046][ T60] [ 40.161047][ T60] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 40.161051][ T60] __might_resched.cold (kernel/sched/core.c:9234) [ 40.161054][ T60] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 40.161057][ T60] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 40.161059][ T60] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.161063][ T60] __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)) [ 40.161066][ T60] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 40.161068][ T60] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 40.161071][ T60] ? 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) [ 40.161073][ T60] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 40.161075][ T60] put_chars (drivers/char/virtio_console.c:1176) [ 40.161076][ T60] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 40.161078][ T60] ? __send_to_port (drivers/char/virtio_console.c:654) [ 40.161080][ T60] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 40.161082][ T60] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 40.161085][ T60] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 40.161087][ T60] ? 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) [ 40.161088][ T60] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 40.161090][ T60] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 40.161092][ T60] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.161094][ T60] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.161096][ T60] console_emit_next_record (kernel/printk/printk.c:3183) [ 40.161098][ T60] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 40.161100][ T60] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.161102][ T60] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.161103][ T60] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.161105][ T60] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.161107][ T60] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 40.161109][ T60] console_flush_one_record (kernel/printk/printk.c:3268) [ 40.161111][ T60] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 40.161113][ T60] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 40.161115][ T60] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.161117][ T60] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 40.161118][ T60] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.161120][ T60] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 40.161122][ T60] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 40.161123][ T60] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 40.161125][ T60] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 40.161127][ T60] ? vprintk_emit (kernel/printk/printk.c:2478) [ 40.161129][ T60] vprintk_emit (kernel/printk/printk.c:2479) [ 40.161131][ T60] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 40.161133][ T60] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25) [ 40.161136][ T60] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.161138][ T60] _printk (kernel/printk/printk.c:2504) [ 40.161140][ T60] ? snapshot_read.cold (user.c:?) [ 40.161142][ T60] ? __add_to_free_list (mm/page_alloc.c:447 mm/page_alloc.c:801) [ 40.161144][ T60] ? __mod_zone_page_state (mm/vmstat.c:371) [ 40.161146][ T60] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 40.161148][ T60] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 40.161150][ T60] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 40.161152][ T60] ? netdev_notice (net/core/dev.c:13194) [ 40.161153][ T60] ? free_pcppages_bulk (./include/trace/events/kmem.h:246 (discriminator 22) mm/page_alloc.c:1516 (discriminator 22)) [ 40.161155][ T60] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.161157][ T60] ? 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) [ 40.161159][ T60] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 40.161162][ T60] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 40.161165][ T60] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 40.161166][ T60] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.161168][ T60] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.161170][ T60] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 40.161173][ T60] ? 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) [ 40.161174][ T60] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 40.161177][ T60] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 40.161178][ T60] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.161180][ T60] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 40.161181][ T60] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 40.161183][ T60] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn [ 40.161185][ T60] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn [ 40.161188][ T60] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 40.161190][ T60] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1396 drivers/net/ovpn/peer.c:1452) ovpn [ 40.161193][ T60] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn [ 40.161195][ T60] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.161197][ T60] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.161199][ T60] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.161201][ T60] process_one_work (kernel/workqueue.c:3387) [ 40.161203][ T60] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 40.161205][ T60] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 40.161207][ T60] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 40.161209][ T60] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 40.161211][ T60] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 40.161213][ T60] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 40.161216][ T60] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 40.161217][ T60] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 40.161219][ T60] kthread (kernel/kthread.c:436) [ 40.161220][ T60] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 40.161222][ T60] ? kthread_affine_preferred (kernel/kthread.c:857) [ 40.161223][ T60] ret_from_fork (arch/x86/kernel/process.c:158) [ 40.161225][ T60] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 40.161227][ T60] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 40.161229][ T60] ? kthread_affine_preferred (kernel/kthread.c:857) [ 40.161230][ T60] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 45.218067][ T66] softirqs last disabled at (13425): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 45.218068][ T66] Preemption disabled at: | [ 45.218069][ T66] 0x0 | [ 45.218078][ T66] Tainted: [W]=WARN [ 45.218079][ T66] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 45.218081][ T66] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 45.218088][ T66] Call Trace: [ 45.218090][ T66] [ 45.218091][ T66] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 45.218096][ T66] __might_resched.cold (kernel/sched/core.c:9234) [ 45.218100][ T66] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 45.218103][ T66] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 45.218106][ T66] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.218110][ T66] __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)) [ 45.218113][ T66] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 45.218115][ T66] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 45.218119][ T66] ? 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) [ 45.218121][ T66] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 45.218123][ T66] put_chars (drivers/char/virtio_console.c:1176) [ 45.218125][ T66] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 45.218126][ T66] ? __send_to_port (drivers/char/virtio_console.c:654) [ 45.218128][ T66] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 45.218131][ T66] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 45.218134][ T66] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 45.218136][ T66] ? 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) [ 45.218137][ T66] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 45.218139][ T66] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 45.218141][ T66] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.218142][ T66] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.218144][ T66] console_emit_next_record (kernel/printk/printk.c:3183) [ 45.218147][ T66] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 45.218149][ T66] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.218150][ T66] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.218152][ T66] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.218154][ T66] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.218155][ T66] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 45.218157][ T66] console_flush_one_record (kernel/printk/printk.c:3268) [ 45.218159][ T66] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 45.218162][ T66] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 45.218163][ T66] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.218165][ T66] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 45.218166][ T66] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.218168][ T66] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 45.218169][ T66] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 45.218171][ T66] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 45.218173][ T66] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 45.218174][ T66] ? vprintk_emit (kernel/printk/printk.c:2478) [ 45.218176][ T66] vprintk_emit (kernel/printk/printk.c:2479) [ 45.218179][ T66] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 45.218180][ T66] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 45.218182][ T66] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.218183][ T66] ? trace_sched_wakeup (./include/trace/events/sched.h:178 (discriminator 22)) [ 45.218186][ T66] _printk (kernel/printk/printk.c:2504) [ 45.218188][ T66] ? snapshot_read.cold (user.c:?) [ 45.218190][ T66] ? try_to_wake_up (./include/linux/preempt.h:500 (discriminator 1) kernel/sched/core.c:4263 (discriminator 1)) [ 45.218192][ T66] ? select_fallback_rq (kernel/sched/sched.h:1424) [ 45.218193][ T66] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 45.218195][ T66] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 45.218197][ T66] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 45.218199][ T66] ? netdev_notice (net/core/dev.c:13194) [ 45.218201][ T66] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.218203][ T66] ? __queue_work (./include/linux/rcupdate.h:882 kernel/workqueue.c:2459) [ 45.218206][ T66] ? 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) [ 45.218208][ T66] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 45.218212][ T66] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 45.218214][ T66] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.218216][ T66] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 45.218218][ T66] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 45.218221][ T66] ? 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) [ 45.218223][ T66] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 45.218225][ T66] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 45.218227][ T66] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.218228][ T66] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 45.218229][ T66] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 45.218231][ T66] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn [ 45.218234][ T66] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn [ 45.218236][ T66] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 45.218238][ T66] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1423 drivers/net/ovpn/peer.c:1456) ovpn [ 45.218241][ T66] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn [ 45.218244][ T66] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.218245][ T66] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.218247][ T66] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.218249][ T66] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 45.218250][ T66] process_one_work (kernel/workqueue.c:3387) [ 45.218253][ T66] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 45.218255][ T66] ? worker_thread (kernel/workqueue.c:3564 (discriminator 7)) [ 45.218257][ T66] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 45.218259][ T66] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 45.218261][ T66] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 45.218263][ T66] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 45.218265][ T66] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 45.218267][ T66] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 45.218268][ T66] kthread (kernel/kthread.c:436) [ 45.218270][ T66] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 45.218271][ T66] ? kthread_affine_preferred (kernel/kthread.c:857) [ 45.218273][ T66] ret_from_fork (arch/x86/kernel/process.c:158) [ 45.218275][ T66] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 45.218277][ T66] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 45.218279][ T66] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: __kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record:console_flush_one_record __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print neigh_managed_work:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_lock_spinning_enable do_softirq:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print do_softirq:__dev_queue_xmit:dump_stack_lvl:__kmalloc_noprof:put_chars