====================================== | [ 18.827492][ T330] softirqs last disabled at (25903): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 18.827495][ T330] Preemption disabled at: | [ 18.827495][ T330] 0x0 | [ 18.827506][ T330] Tainted: [W]=WARN [ 18.827507][ T330] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.827509][ T330] Call Trace: [ 18.827510][ T330] [ 18.827512][ T330] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 18.827518][ T330] __might_resched.cold (kernel/sched/core.c:9234) [ 18.827523][ T330] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 18.827528][ T330] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 18.827533][ T330] __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)) [ 18.827536][ T330] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.827542][ T330] ? 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) [ 18.827545][ T330] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.827548][ T330] put_chars (drivers/char/virtio_console.c:1176) [ 18.827552][ T330] ? __send_to_port (drivers/char/virtio_console.c:654) [ 18.827553][ T330] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 18.827559][ T330] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 18.827565][ T330] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 18.827572][ T330] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 18.827574][ T330] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.827577][ T330] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.827581][ T330] console_emit_next_record (kernel/printk/printk.c:3183) [ 18.827585][ T330] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 18.827587][ T330] ? 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)) [ 18.827591][ T330] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.827593][ T330] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.827598][ T330] console_flush_one_record (kernel/printk/printk.c:3268) [ 18.827602][ T330] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 18.827604][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.827610][ T330] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 18.827613][ T330] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 18.827615][ T330] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.827617][ T330] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 18.827621][ T330] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 18.827623][ T330] ? vprintk_emit (kernel/printk/printk.c:2478) [ 18.827627][ T330] vprintk_emit (kernel/printk/printk.c:2479) [ 18.827631][ T330] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 18.827635][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.827639][ T330] _printk (kernel/printk/printk.c:2504) [ 18.827642][ T330] ? snapshot_read.cold (user.c:?) [ 18.827648][ T330] ? 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) [ 18.827650][ T330] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 18.827655][ T330] ? 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) [ 18.827657][ T330] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 18.827665][ T330] ? exit_notify (kernel/exit.c:780) [ 18.827666][ T330] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 18.827669][ T330] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.827674][ T330] do_group_exit (kernel/exit.c:1151) [ 18.827677][ T330] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 18.827679][ T330] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 18.827682][ T330] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 18.827686][ T330] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 18.827689][ T330] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 18.827691][ T330] RIP: 0033:0x7fca871fe1b8 [ 18.827694][ T330] Code: Unable to access opcode bytes at 0x7fca871fe18e. Code starting with the faulting instruction =========================================== [ 18.827695][ T330] RSP: 002b:00007ffdb44f1768 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 18.827697][ T330] RAX: ffffffffffffffda RBX: 00007fca8732ef88 RCX: 00007fca871fe1b8 [ 18.827699][ T330] RDX: 00007fca86f48fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 18.827700][ T330] RBP: 00007ffdb44f17c0 R08: 0000000000000000 R09: 0000000000000000 [ 18.827701][ T330] R10: 00007ffdb44f1580 R11: 0000000000000246 R12: 0000000000000001 [ 18.827701][ T330] R13: 0000000000000000 R14: 00007fca8732d680 R15: 00007fca8732efa0 | [ 25.929832][ C2] | [ 25.929833][ C2] | [ 25.929833][ C2] stack backtrace: | [ 25.929839][ C2] Tainted: [W]=WARN [ 25.929840][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 25.929841][ C2] Workqueue: ipv6_addrconf addrconf_dad_work [ 25.929845][ C2] Call Trace: [ 25.929846][ C2] [ 25.929847][ C2] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 25.929851][ C2] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 25.929853][ C2] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 25.929855][ C2] ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450) [ 25.929858][ C2] mark_lock (kernel/locking/lockdep.c:4769) [ 25.929859][ C2] mark_usage (kernel/locking/lockdep.c:4658) [ 25.929861][ C2] __lock_acquire (kernel/locking/lockdep.c:5208) [ 25.929863][ C2] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.929865][ C2] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 25.929867][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.929870][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.929872][ C2] console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 25.929874][ C2] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 25.929875][ C2] console_emit_next_record (kernel/printk/printk.c:3177) [ 25.929878][ C2] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 25.929879][ C2] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 25.929881][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.929883][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.929885][ C2] console_flush_one_record (kernel/printk/printk.c:3268) [ 25.929887][ C2] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 25.929889][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.929891][ C2] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 25.929892][ C2] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 25.929894][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.929896][ C2] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 25.929898][ C2] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 25.929899][ C2] ? vprintk_emit (kernel/printk/printk.c:2478) [ 25.929901][ C2] vprintk_emit (kernel/printk/printk.c:2479) [ 25.929903][ C2] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 25.929905][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.929907][ C2] _printk (kernel/printk/printk.c:2504) [ 25.929909][ C2] ? snapshot_read.cold (user.c:?) [ 25.929911][ C2] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 25.929914][ C2] ? ovpn_netdev_write (./include/linux/netdevice.h:3107 (discriminator 3)) ovpn [ 25.929917][ C2] ? idr_get_free (??:?) [ 25.929919][ C2] ovpn_recv.cold (drivers/net/ovpn/io.c:225 (discriminator 4)) ovpn [ 25.929922][ C2] ovpn_tcp_rcv (drivers/net/ovpn/tcp.c:148) ovpn [ 25.929925][ C2] ? ovpn_tcp_write_space (drivers/net/ovpn/tcp.c:488 (discriminator 2)) ovpn [ 25.929928][ C2] ? __copy_skb_header (net/core/skbuff.c:1564) [ 25.929931][ C2] ? ovpn_tcp_disconnect (drivers/net/ovpn/tcp.c:467) ovpn [ 25.929933][ C2] ? sock_queue_err_skb (net/core/skbuff.c:5498 (discriminator 3)) [ 25.929935][ C2] __strp_recv (net/strparser/strparser.c:309) [ 25.929938][ C2] ? update_load_avg (kernel/sched/fair.c:5864) [ 25.929941][ C2] __tcp_read_sock (net/ipv4/tcp.c:1689) [ 25.929942][ C2] ? strp_process (net/strparser/strparser.c:335) [ 25.929944][ C2] ? tcp_cleanup_rbuf (./include/linux/skbuff.h:2196) [ 25.929946][ C2] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 25.929948][ C2] ? mark_usage (kernel/locking/lockdep.c:4690) [ 25.929950][ C2] strp_read_sock (net/strparser/strparser.c:372) [ 25.929952][ C2] ? strp_stop (net/strparser/strparser.c:527) [ 25.929954][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.929956][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.929957][ C2] strp_data_ready (net/strparser/strparser.c:402 net/strparser/strparser.c:380) [ 25.929959][ C2] ovpn_tcp_data_ready (drivers/net/ovpn/tcp.c:478) ovpn [ 25.929962][ C2] tcp_data_queue (net/ipv4/tcp_input.c:5694) [ 25.929965][ C2] ? tcp_data_ready (./include/net/tcp.h:308 (discriminator 3)) [ 25.929966][ C2] ? tcp_send_dupack (net/ipv4/tcp_input.c:5022) [ 25.929968][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 25.929970][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 25.929972][ C2] ? ktime_get (./include/linux/seqlock.h:75 (discriminator 6) kernel/time/timekeeping.c:1002 (discriminator 6)) [ 25.929974][ C2] ? kvm_clock_get_cycles (arch/x86/kernel/kvmclock.c:80 (discriminator 1) arch/x86/kernel/kvmclock.c:87 (discriminator 1)) [ 25.929977][ C2] tcp_rcv_established (net/ipv4/tcp_input.c:6689) [ 25.929979][ C2] ? down_read_nested (kernel/locking/rwsem.c:1291 kernel/locking/rwsem.c:1304 kernel/locking/rwsem.c:1710) [ 25.929982][ C2] ? __tcp_check_space (net/ipv4/tcp_input.c:6059 (discriminator 2)) [ 25.929983][ C2] ? tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2292 (discriminator 1)) [ 25.929985][ C2] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 25.929987][ C2] tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1862) [ 25.929989][ C2] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2296) [ 25.929992][ C2] ? mark_usage (kernel/locking/lockdep.c:4690) [ 25.929993][ C2] ? tcp_add_backlog (./include/net/net_namespace.h:422 (discriminator 7)) [ 25.929995][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.929997][ C2] ? ip_local_deliver_finish (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) net/ipv4/ip_input.c:240 (discriminator 2)) [ 25.929999][ C2] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207) [ 25.930001][ C2] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 25.930002][ C2] ip_local_deliver_finish (net/ipv4/ip_input.c:241 (discriminator 1)) [ 25.930004][ C2] ip_local_deliver (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:262) [ 25.930006][ C2] ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42)) [ 25.930008][ C2] ? ip_rcv_finish_core (./include/linux/skbuff.h:1162 (discriminator 2) ./include/net/route.h:88 (discriminator 2) net/ipv4/ip_input.c:435 (discriminator 2)) [ 25.930010][ C2] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 25.930012][ C2] ip_rcv (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:612) [ 25.930013][ C2] ? ip_local_deliver (./include/linux/rcupdate.h:878 (discriminator 3)) [ 25.930015][ C2] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 25.930017][ C2] ? mark_usage (kernel/locking/lockdep.c:4690) [ 25.930018][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.930020][ C2] ? trace_raw_output_rcu_invoke_kfree_bulk_callback (./include/trace/events/rcu.h:655) [ 25.930022][ C2] __netif_receive_skb_one_core (net/core/dev.c:6264) [ 25.930024][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.930025][ C2] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 25.930027][ C2] ? __netif_receive_skb_list_core (net/core/dev.c:6310) [ 25.930029][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.930032][ C2] process_backlog (net/core/dev.c:6728) [ 25.930034][ C2] __napi_poll (net/core/dev.c:7787) [ 25.930037][ C2] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 25.930039][ C2] ? __napi_poll (./include/net/gro.h:507) [ 25.930041][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 25.930043][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 25.930044][ C2] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 25.930047][ C2] ? clockevents_program_event (kernel/time/clockevents.c:372) [ 25.930050][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 25.930051][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.930053][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 25.930054][ C2] handle_softirqs (kernel/softirq.c:645) [ 25.930056][ C2] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 25.930058][ C2] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 25.930059][ C2] ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 25.930061][ C2] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 25.930063][ C2] [ 25.930063][ C2] [ 25.930064][ C2] __local_bh_enable_ip (kernel/softirq.c:473) [ 25.930065][ C2] __dev_queue_xmit (./include/linux/bottom_half.h:33 (discriminator 2) ./include/linux/rcupdate.h:923 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 25.930068][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.930069][ C2] ? do_ipv6_getsockopt (./include/linux/lockdep.h:249 ./include/net/sock.h:1706 net/ipv6/ipv6_sockglue.c:1236) [ 25.930071][ C2] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 25.930073][ C2] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 25.930074][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.930076][ C2] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 25.930077][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 25.930079][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 25.930080][ C2] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 25.930081][ C2] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 25.930083][ C2] ? ___neigh_create (./include/linux/spinlock.h:407 net/core/neighbour.c:721) [ 25.930086][ C2] ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3)) [ 25.930088][ C2] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269) [ 25.930090][ C2] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 25.930091][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.930093][ C2] ? 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)) [ 25.930095][ C2] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221) [ 25.930097][ C2] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248) [ 25.930099][ C2] ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1)) [ 25.930100][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.930102][ C2] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 25.930103][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.930105][ C2] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 25.930107][ C2] ndisc_send_skb (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) net/ipv6/ndisc.c:513 (discriminator 4)) [ 25.930109][ C2] ? ndisc_recv_na (./include/net/net_namespace.h:422 (discriminator 7)) [ 25.930111][ C2] ? ndisc_alloc_skb (./include/linux/rcupdate.h:882 net/ipv6/ndisc.c:436) [ 25.930112][ C2] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 25.930114][ C2] addrconf_dad_completed (net/ipv6/addrconf.c:4396) [ 25.930116][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.930118][ C2] ? addrconf_rs_timer (net/ipv6/addrconf.c:4092 (discriminator 11)) [ 25.930120][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.930121][ C2] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 25.930122][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 25.930124][ C2] ? addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 25.930126][ C2] addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 25.930128][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.930130][ C2] ? addrconf_dad_completed (net/ipv6/addrconf.c:4402) [ 25.930131][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.930133][ C2] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 25.930134][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 25.930136][ C2] addrconf_dad_work (net/ipv6/addrconf.c:4263) [ 25.930139][ C2] ? addrconf_dad_begin (net/ipv6/addrconf.c:4180) [ 25.930141][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.930142][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.930144][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.930145][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.930147][ C2] process_one_work (kernel/workqueue.c:3387) [ 25.930150][ C2] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 25.930152][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.930155][ C2] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 25.930157][ C2] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 25.930159][ C2] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 25.930160][ C2] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 25.930162][ C2] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 25.930164][ C2] kthread (kernel/kthread.c:436) [ 25.930165][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 25.930168][ C2] ? kthread_affine_preferred (kernel/kthread.c:857) [ 25.930169][ C2] ret_from_fork (arch/x86/kernel/process.c:158) [ 25.930171][ C2] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 25.930173][ C2] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 25.930175][ C2] ? kthread_affine_preferred (kernel/kthread.c:857) [ 25.930177][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 25.930196][ C2] softirqs last disabled at (19333): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 25.930197][ C2] Preemption disabled at: | [ 25.930198][ C2] __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2)) | [ 25.930202][ C2] Tainted: [W]=WARN [ 25.930203][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 25.930203][ C2] Workqueue: ipv6_addrconf addrconf_dad_work [ 25.930205][ C2] Call Trace: [ 25.930206][ C2] [ 25.930206][ C2] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 25.930209][ C2] ? __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2)) [ 25.930211][ C2] __might_resched.cold (kernel/sched/core.c:9234) [ 25.930213][ C2] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 25.930216][ C2] ? nbcon_get_cpu_emergency_nesting (kernel/printk/nbcon.c:1424) [ 25.930218][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.930220][ C2] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 25.930221][ C2] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 25.930223][ C2] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.930225][ C2] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 25.930226][ C2] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.930228][ C2] put_chars (drivers/char/virtio_console.c:1176) [ 25.930231][ C2] ? __send_to_port (drivers/char/virtio_console.c:654) [ 25.930232][ C2] ? mark_lock (kernel/locking/lockdep.c:4769) [ 25.930234][ C2] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 25.930237][ C2] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 25.930238][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.930240][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.930242][ C2] console_emit_next_record (kernel/printk/printk.c:3183) [ 25.930244][ C2] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 25.930246][ C2] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 25.930248][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.930249][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.930251][ C2] console_flush_one_record (kernel/printk/printk.c:3268) [ 25.930254][ C2] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 25.930255][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.930257][ C2] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 25.930259][ C2] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 25.930261][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.930263][ C2] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 25.930264][ C2] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 25.930266][ C2] ? vprintk_emit (kernel/printk/printk.c:2478) [ 25.930268][ C2] vprintk_emit (kernel/printk/printk.c:2479) [ 25.930270][ C2] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 25.930272][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.930274][ C2] _printk (kernel/printk/printk.c:2504) [ 25.930276][ C2] ? snapshot_read.cold (user.c:?) [ 25.930277][ C2] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 25.930279][ C2] ? ovpn_netdev_write (./include/linux/netdevice.h:3107 (discriminator 3)) ovpn [ 25.930282][ C2] ? idr_get_free (??:?) [ 25.930284][ C2] ovpn_recv.cold (drivers/net/ovpn/io.c:225 (discriminator 4)) ovpn [ 25.930286][ C2] ovpn_tcp_rcv (drivers/net/ovpn/tcp.c:148) ovpn [ 25.930289][ C2] ? ovpn_tcp_write_space (drivers/net/ovpn/tcp.c:488 (discriminator 2)) ovpn [ 25.930291][ C2] ? __copy_skb_header (net/core/skbuff.c:1564) [ 25.930293][ C2] ? ovpn_tcp_disconnect (drivers/net/ovpn/tcp.c:467) ovpn [ 25.930296][ C2] ? sock_queue_err_skb (net/core/skbuff.c:5498 (discriminator 3)) [ 25.930298][ C2] __strp_recv (net/strparser/strparser.c:309) [ 25.930300][ C2] ? update_load_avg (kernel/sched/fair.c:5864) [ 25.930302][ C2] __tcp_read_sock (net/ipv4/tcp.c:1689) [ 25.930304][ C2] ? strp_process (net/strparser/strparser.c:335) [ 25.930306][ C2] ? tcp_cleanup_rbuf (./include/linux/skbuff.h:2196) [ 25.930308][ C2] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 25.930309][ C2] ? mark_usage (kernel/locking/lockdep.c:4690) [ 25.930311][ C2] strp_read_sock (net/strparser/strparser.c:372) [ 25.930313][ C2] ? strp_stop (net/strparser/strparser.c:527) [ 25.930315][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.930317][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.930318][ C2] strp_data_ready (net/strparser/strparser.c:402 net/strparser/strparser.c:380) [ 25.930320][ C2] ovpn_tcp_data_ready (drivers/net/ovpn/tcp.c:478) ovpn [ 25.930323][ C2] tcp_data_queue (net/ipv4/tcp_input.c:5694) [ 25.930326][ C2] ? tcp_data_ready (./include/net/tcp.h:308 (discriminator 3)) [ 25.930327][ C2] ? tcp_send_dupack (net/ipv4/tcp_input.c:5022) [ 25.930329][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 25.930331][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 25.930332][ C2] ? ktime_get (./include/linux/seqlock.h:75 (discriminator 6) kernel/time/timekeeping.c:1002 (discriminator 6)) [ 25.930333][ C2] ? kvm_clock_get_cycles (arch/x86/kernel/kvmclock.c:80 (discriminator 1) arch/x86/kernel/kvmclock.c:87 (discriminator 1)) [ 25.930335][ C2] tcp_rcv_established (net/ipv4/tcp_input.c:6689) [ 25.930337][ C2] ? down_read_nested (kernel/locking/rwsem.c:1291 kernel/locking/rwsem.c:1304 kernel/locking/rwsem.c:1710) [ 25.930339][ C2] ? __tcp_check_space (net/ipv4/tcp_input.c:6059 (discriminator 2)) [ 25.930341][ C2] ? tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2292 (discriminator 1)) [ 25.930342][ C2] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 25.930345][ C2] tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1862) [ 25.930346][ C2] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2296) [ 25.930349][ C2] ? mark_usage (kernel/locking/lockdep.c:4690) [ 25.930351][ C2] ? tcp_add_backlog (./include/net/net_namespace.h:422 (discriminator 7)) [ 25.930353][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.930354][ C2] ? ip_local_deliver_finish (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) net/ipv4/ip_input.c:240 (discriminator 2)) [ 25.930356][ C2] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207) [ 25.930358][ C2] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 25.930360][ C2] ip_local_deliver_finish (net/ipv4/ip_input.c:241 (discriminator 1)) [ 25.930362][ C2] ip_local_deliver (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:262) [ 25.930364][ C2] ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42)) [ 25.930365][ C2] ? ip_rcv_finish_core (./include/linux/skbuff.h:1162 (discriminator 2) ./include/net/route.h:88 (discriminator 2) net/ipv4/ip_input.c:435 (discriminator 2)) [ 25.930368][ C2] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 25.930369][ C2] ip_rcv (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:612) [ 25.930371][ C2] ? ip_local_deliver (./include/linux/rcupdate.h:878 (discriminator 3)) [ 25.930372][ C2] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 25.930374][ C2] ? mark_usage (kernel/locking/lockdep.c:4690) [ 25.930375][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.930377][ C2] ? trace_raw_output_rcu_invoke_kfree_bulk_callback (./include/trace/events/rcu.h:655) [ 25.930379][ C2] __netif_receive_skb_one_core (net/core/dev.c:6264) [ 25.930381][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.930382][ C2] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 25.930384][ C2] ? __netif_receive_skb_list_core (net/core/dev.c:6310) [ 25.930386][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.930388][ C2] process_backlog (net/core/dev.c:6728) [ 25.930391][ C2] __napi_poll (net/core/dev.c:7787) [ 25.930393][ C2] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 25.930396][ C2] ? __napi_poll (./include/net/gro.h:507) [ 25.930398][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 25.930399][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 25.930401][ C2] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 25.930403][ C2] ? clockevents_program_event (kernel/time/clockevents.c:372) [ 25.930404][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 25.930406][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.930407][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 25.930409][ C2] handle_softirqs (kernel/softirq.c:645) [ 25.930411][ C2] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 25.930412][ C2] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 25.930414][ C2] ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 25.930416][ C2] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 25.930417][ C2] [ 25.930418][ C2] [ 25.930418][ C2] __local_bh_enable_ip (kernel/softirq.c:473) [ 25.930420][ C2] __dev_queue_xmit (./include/linux/bottom_half.h:33 (discriminator 2) ./include/linux/rcupdate.h:923 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 25.930422][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.930424][ C2] ? do_ipv6_getsockopt (./include/linux/lockdep.h:249 ./include/net/sock.h:1706 net/ipv6/ipv6_sockglue.c:1236) [ 25.930425][ C2] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 25.930427][ C2] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 25.930429][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.930430][ C2] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 25.930432][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 25.930433][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 25.930434][ C2] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 25.930436][ C2] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 25.930437][ C2] ? ___neigh_create (./include/linux/spinlock.h:407 net/core/neighbour.c:721) [ 25.930439][ C2] ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3)) [ 25.930442][ C2] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269) [ 25.930443][ C2] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 25.930445][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.930446][ C2] ? 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)) [ 25.930448][ C2] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221) [ 25.930450][ C2] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248) [ 25.930452][ C2] ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1)) [ 25.930454][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.930455][ C2] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 25.930456][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.930458][ C2] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 25.930460][ C2] ndisc_send_skb (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) net/ipv6/ndisc.c:513 (discriminator 4)) [ 25.930461][ C2] ? ndisc_recv_na (./include/net/net_namespace.h:422 (discriminator 7)) [ 25.930464][ C2] ? ndisc_alloc_skb (./include/linux/rcupdate.h:882 net/ipv6/ndisc.c:436) [ 25.930465][ C2] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 25.930467][ C2] addrconf_dad_completed (net/ipv6/addrconf.c:4396) [ 25.930469][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.930470][ C2] ? addrconf_rs_timer (net/ipv6/addrconf.c:4092 (discriminator 11)) [ 25.930472][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.930474][ C2] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 25.930475][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 25.930477][ C2] ? addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 25.930479][ C2] addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 25.930481][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.930482][ C2] ? addrconf_dad_completed (net/ipv6/addrconf.c:4402) [ 25.930484][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.930486][ C2] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 25.930487][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 25.930489][ C2] addrconf_dad_work (net/ipv6/addrconf.c:4263) [ 25.930491][ C2] ? addrconf_dad_begin (net/ipv6/addrconf.c:4180) [ 25.930493][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.930495][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.930497][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.930498][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.930501][ C2] process_one_work (kernel/workqueue.c:3387) [ 25.930503][ C2] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 25.930505][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.930508][ C2] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 25.930510][ C2] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 25.930512][ C2] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 25.930513][ C2] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 25.930515][ C2] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 25.930517][ C2] kthread (kernel/kthread.c:436) [ 25.930518][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 25.930519][ C2] ? kthread_affine_preferred (kernel/kthread.c:857) [ 25.930521][ C2] ret_from_fork (arch/x86/kernel/process.c:158) [ 25.930522][ C2] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 25.930524][ C2] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 25.930526][ C2] ? kthread_affine_preferred (kernel/kthread.c:857) [ 25.930527][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 35.181614][ T624] softirqs last disabled at (0): 0x0 | [ 35.181615][ T624] Preemption disabled at: | [ 35.181616][ T624] 0x0 | [ 35.181625][ T624] Tainted: [W]=WARN [ 35.181626][ T624] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 35.181628][ T624] Call Trace: [ 35.181629][ T624] [ 35.181630][ T624] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 35.181635][ T624] __might_resched.cold (kernel/sched/core.c:9234) [ 35.181639][ T624] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 35.181643][ T624] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 35.181647][ T624] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.181651][ 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)) [ 35.181654][ T624] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 35.181657][ T624] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 35.181661][ 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) [ 35.181663][ T624] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 35.181665][ T624] put_chars (drivers/char/virtio_console.c:1176) [ 35.181667][ T624] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 35.181668][ T624] ? __send_to_port (drivers/char/virtio_console.c:654) [ 35.181670][ T624] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 35.181674][ T624] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 35.181677][ T624] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 35.181679][ 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) [ 35.181680][ T624] ? vsnprintf (lib/vsprintf.c:2900) [ 35.181683][ T624] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 35.181685][ T624] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.181686][ T624] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.181688][ T624] console_emit_next_record (kernel/printk/printk.c:3183) [ 35.181691][ T624] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 35.181693][ T624] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.181695][ T624] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.181696][ T624] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.181698][ T624] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.181700][ T624] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 35.181701][ T624] console_flush_one_record (kernel/printk/printk.c:3268) [ 35.181703][ T624] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 35.181706][ T624] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 35.181708][ T624] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.181709][ T624] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 35.181711][ T624] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.181712][ T624] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 35.181720][ T624] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 35.181722][ T624] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 35.181724][ T624] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 35.181726][ T624] ? vprintk_emit (kernel/printk/printk.c:2478) [ 35.181728][ T624] vprintk_emit (kernel/printk/printk.c:2479) [ 35.181730][ T624] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 35.181733][ T624] _printk (kernel/printk/printk.c:2504) [ 35.181736][ T624] ? snapshot_read.cold (user.c:?) [ 35.181737][ T624] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 35.181740][ 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) [ 35.181742][ T624] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 35.181744][ 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) [ 35.181746][ T624] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 35.181749][ T624] ? exit_notify (kernel/exit.c:780) [ 35.181751][ T624] __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116) [ 35.181752][ T624] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61) [ 35.181755][ T624] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 35.181758][ T624] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 35.181759][ T624] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 35.181761][ T624] RIP: 0033:0x7fe66ab84c49 [ 35.181763][ T624] Code: Unable to access opcode bytes at 0x7fe66ab84c1f. Code starting with the faulting instruction =========================================== [ 35.181764][ T624] RSP: 002b:00007fe66a343e60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 35.181768][ T624] RAX: ffffffffffffffda RBX: 00007fe66a3446c0 RCX: 00007fe66ab84c49 [ 35.181769][ T624] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 35.181770][ T624] RBP: 00007fe66a343f70 R08: 0000000000000001 R09: 00007fe66a3446c0 [ 35.181771][ T624] R10: 0000000000000008 R11: 0000000000000246 R12: 00007fe669b44000 [ 35.181772][ T624] R13: 00007fff42808bb0 R14: 0000000000000002 R15: 00007fff42808cb7 | [ 36.590978][ T719] softirqs last disabled at (0): 0x0 | [ 36.590980][ T719] Preemption disabled at: | [ 36.590980][ T719] 0x0 | [ 36.590990][ T719] Tainted: [W]=WARN [ 36.590991][ T719] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 36.590992][ T719] Call Trace: [ 36.590994][ T719] [ 36.590995][ T719] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 36.591001][ T719] __might_resched.cold (kernel/sched/core.c:9234) [ 36.591005][ T719] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 36.591008][ T719] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.591012][ T719] __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)) [ 36.591016][ T719] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 36.591019][ T719] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 36.591023][ T719] ? 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) [ 36.591024][ T719] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 36.591026][ T719] put_chars (drivers/char/virtio_console.c:1176) [ 36.591029][ T719] ? __send_to_port (drivers/char/virtio_console.c:654) [ 36.591031][ T719] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 36.591034][ T719] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 36.591037][ T719] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 36.591039][ T719] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 36.591041][ T719] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.591042][ T719] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.591044][ T719] console_emit_next_record (kernel/printk/printk.c:3183) [ 36.591047][ T719] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 36.591049][ T719] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.591051][ T719] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.591052][ T719] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.591054][ T719] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.591056][ T719] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 36.591057][ T719] console_flush_one_record (kernel/printk/printk.c:3268) [ 36.591060][ T719] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 36.591062][ T719] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 36.591064][ T719] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.591066][ T719] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 36.591067][ T719] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.591069][ T719] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 36.591070][ T719] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 36.591072][ T719] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 36.591074][ T719] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 36.591075][ T719] ? vprintk_emit (kernel/printk/printk.c:2478) [ 36.591077][ T719] vprintk_emit (kernel/printk/printk.c:2479) [ 36.591080][ T719] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 36.591081][ T719] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 36.591084][ T719] ? __kernel_text_address (kernel/extable.c:79) [ 36.591085][ T719] ? write_profile (profile.c:?) [ 36.591087][ T719] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 36.591090][ T719] _printk (kernel/printk/printk.c:2504) [ 36.591093][ T719] ? snapshot_read.cold (user.c:?) [ 36.591095][ T719] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 36.591097][ T719] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 36.591099][ T719] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 36.591101][ T719] ? netdev_notice (net/core/dev.c:13194) [ 36.591102][ T719] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:76 (discriminator 1)) ovpn [ 36.591108][ T719] ? __module_address (kernel/module/main.c:3915) [ 36.591110][ T719] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.591112][ T719] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.591114][ T719] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 36.591115][ T719] ? 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 [ 36.591119][ T719] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 36.591122][ T719] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 36.591125][ T719] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.591126][ T719] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.591128][ T719] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 36.591130][ T719] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 36.591133][ T719] ? 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) [ 36.591135][ T719] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 36.591138][ T719] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn [ 36.591141][ T719] ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn [ 36.591144][ T719] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn [ 36.591147][ T719] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 36.591149][ T719] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 36.591152][ T719] ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3)) [ 36.591157][ T719] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 36.591159][ T719] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn [ 36.591162][ T719] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114) [ 36.591166][ T719] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2)) [ 36.591168][ T719] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.591171][ T719] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.591172][ T719] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 36.591176][ T719] ? write_profile (profile.c:?) [ 36.591177][ T719] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 36.591179][ T719] genl_family_rcv_msg (net/netlink/genetlink.c:1194) [ 36.591181][ T719] ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079) [ 36.591183][ T719] ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn [ 36.591185][ T719] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 36.591187][ T719] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn [ 36.591190][ T719] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 36.591191][ T719] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 36.591193][ T719] genl_rcv_msg (net/netlink/genetlink.c:1209) [ 36.591196][ T719] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 36.591197][ T719] ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2)) [ 36.591200][ T719] ? netlink_ack (./include/linux/skbuff.h:2718) [ 36.591202][ T719] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.591204][ T719] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.591205][ T719] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 36.591207][ T719] genl_rcv (net/netlink/genetlink.c:1218) [ 36.591209][ T719] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 36.591211][ T719] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 36.591213][ T719] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 36.591214][ T719] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 36.591215][ T719] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 36.591219][ T719] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 36.591221][ T719] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 36.591223][ T719] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.591225][ T719] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 36.591227][ T719] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 36.591230][ T719] ? copy_msghdr_from_user (net/socket.c:2650) [ 36.591232][ T719] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 36.591233][ T719] ? move_addr_to_kernel (net/socket.c:258) [ 36.591236][ T719] ___sys_sendmsg (net/socket.c:2767) [ 36.591238][ T719] ? copy_msghdr_from_user (net/socket.c:2619) [ 36.591239][ T719] ? kfree (mm/slub.c:6778 (discriminator 1)) [ 36.591244][ T719] __sys_sendmsg (net/socket.c:2799) [ 36.591246][ T719] ? __sys_sendmsg_sock (net/socket.c:2780) [ 36.591249][ T719] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.591251][ T719] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.591253][ T719] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 36.591255][ T719] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 36.591257][ T719] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 36.591259][ T719] RIP: 0033:0x7fd5f14cc54e [ 36.591261][ T719] 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 [ 36.591263][ T719] RSP: 002b:00007ffceffb9460 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 36.591267][ T719] RAX: ffffffffffffffda RBX: 0000000025c0d130 RCX: 00007fd5f14cc54e [ 36.591268][ T719] RDX: 0000000000000000 RSI: 00007ffceffb9500 RDI: 0000000000000005 [ 36.591269][ T719] RBP: 00007ffceffb9470 R08: 0000000000000000 R09: 0000000000000000 [ 36.591270][ T719] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000025c0d200 [ 36.591270][ T719] R13: 00007ffceffb9500 R14: 0000000025c0e260 R15: 000000000040bda8 | [ 39.361759][ T771] softirqs last disabled at (0): 0x0 | [ 39.361761][ T771] Preemption disabled at: | [ 39.361762][ T771] 0x0 | [ 39.361770][ T771] Tainted: [W]=WARN [ 39.361771][ T771] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 39.361773][ T771] Call Trace: [ 39.361775][ T771] [ 39.361776][ T771] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 39.361782][ T771] __might_resched.cold (kernel/sched/core.c:9234) [ 39.361786][ T771] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 39.361789][ T771] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.361794][ T771] __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)) [ 39.361797][ T771] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 39.361800][ T771] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 39.361804][ T771] ? 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) [ 39.361805][ T771] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 39.361807][ T771] put_chars (drivers/char/virtio_console.c:1176) [ 39.361810][ T771] ? __send_to_port (drivers/char/virtio_console.c:654) [ 39.361812][ T771] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 39.361815][ T771] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 39.361819][ T771] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 39.361820][ T771] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 39.361822][ T771] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.361823][ T771] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.361825][ T771] console_emit_next_record (kernel/printk/printk.c:3183) [ 39.361828][ T771] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 39.361830][ T771] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.361832][ T771] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.361833][ T771] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.361835][ T771] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.361837][ T771] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 39.361838][ T771] console_flush_one_record (kernel/printk/printk.c:3268) [ 39.361841][ T771] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 39.361843][ T771] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 39.361845][ T771] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.361847][ T771] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 39.361848][ T771] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.361850][ T771] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 39.361851][ T771] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 39.361852][ T771] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 39.361854][ T771] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 39.361856][ T771] ? vprintk_emit (kernel/printk/printk.c:2478) [ 39.361858][ T771] vprintk_emit (kernel/printk/printk.c:2479) [ 39.361861][ T771] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 39.361862][ T771] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 39.361865][ T771] ? __kernel_text_address (kernel/extable.c:79) [ 39.361866][ T771] ? write_profile (profile.c:?) [ 39.361868][ T771] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 39.361871][ T771] _printk (kernel/printk/printk.c:2504) [ 39.361874][ T771] ? snapshot_read.cold (user.c:?) [ 39.361876][ T771] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 39.361879][ T771] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 39.361880][ T771] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 39.361882][ T771] ? netdev_notice (net/core/dev.c:13194) [ 39.361883][ T771] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:76 (discriminator 1)) ovpn [ 39.361889][ T771] ? __module_address (kernel/module/main.c:3915) [ 39.361892][ T771] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.361894][ T771] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.361895][ T771] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 39.361897][ T771] ? 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 [ 39.361900][ T771] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 39.361905][ T771] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 39.361908][ T771] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.361909][ T771] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.361911][ T771] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 39.361913][ T771] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 39.361916][ T771] ? 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) [ 39.361917][ T771] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 39.361921][ T771] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn [ 39.361924][ T771] ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn [ 39.361927][ T771] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn [ 39.361930][ T771] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 39.361932][ T771] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 39.361934][ T771] ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3)) [ 39.361939][ T771] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 39.361941][ T771] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn [ 39.361944][ T771] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114) [ 39.361948][ T771] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2)) [ 39.361950][ T771] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.361953][ T771] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.361955][ T771] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 39.361958][ T771] ? write_profile (profile.c:?) [ 39.361959][ T771] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 39.361961][ T771] genl_family_rcv_msg (net/netlink/genetlink.c:1194) [ 39.361963][ T771] ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079) [ 39.361965][ T771] ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn [ 39.361968][ T771] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 39.361970][ T771] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn [ 39.361972][ T771] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 39.361974][ T771] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 39.361976][ T771] genl_rcv_msg (net/netlink/genetlink.c:1209) [ 39.361978][ T771] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 39.361980][ T771] ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2)) [ 39.361982][ T771] ? netlink_ack (./include/linux/skbuff.h:2718) [ 39.361985][ T771] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.361986][ T771] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.361988][ T771] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 39.361989][ T771] genl_rcv (net/netlink/genetlink.c:1218) [ 39.361991][ T771] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 39.361993][ T771] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 39.361995][ T771] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 39.361996][ T771] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 39.361997][ T771] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 39.362001][ T771] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 39.362003][ T771] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 39.362005][ T771] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.362007][ T771] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 39.362008][ T771] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 39.362012][ T771] ? copy_msghdr_from_user (net/socket.c:2650) [ 39.362014][ T771] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 39.362015][ T771] ? move_addr_to_kernel (net/socket.c:258) [ 39.362018][ T771] ___sys_sendmsg (net/socket.c:2767) [ 39.362020][ T771] ? copy_msghdr_from_user (net/socket.c:2619) [ 39.362021][ T771] ? kfree (mm/slub.c:6778 (discriminator 1)) [ 39.362026][ T771] __sys_sendmsg (net/socket.c:2799) [ 39.362028][ T771] ? __sys_sendmsg_sock (net/socket.c:2780) [ 39.362030][ T771] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.362032][ T771] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.362034][ T771] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 39.362037][ T771] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 39.362039][ T771] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 39.362041][ T771] RIP: 0033:0x7ff9488ef54e [ 39.362043][ T771] 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 [ 39.362045][ T771] RSP: 002b:00007ffced819500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 39.362049][ T771] RAX: ffffffffffffffda RBX: 0000000015d26130 RCX: 00007ff9488ef54e [ 39.362050][ T771] RDX: 0000000000000000 RSI: 00007ffced8195a0 RDI: 0000000000000005 [ 39.362051][ T771] RBP: 00007ffced819510 R08: 0000000000000000 R09: 0000000000000000 [ 39.362052][ T771] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000015d26200 [ 39.362053][ T771] R13: 00007ffced8195a0 R14: 0000000015d27260 R15: 000000000040bda8 | [ 44.161761][ T10] softirqs last disabled at (11173): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 44.161764][ T10] Preemption disabled at: | [ 44.161765][ T10] 0x0 | [ 44.161778][ T10] Tainted: [W]=WARN [ 44.161779][ T10] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 44.161782][ T10] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 44.161794][ T10] Call Trace: [ 44.161796][ T10] [ 44.161798][ T10] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 44.161805][ T10] __might_resched.cold (kernel/sched/core.c:9234) [ 44.161809][ T10] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 44.161813][ T10] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 44.161816][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.161821][ T10] __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)) [ 44.161827][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 44.161830][ T10] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 44.161835][ T10] ? 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) [ 44.161837][ T10] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 44.161841][ T10] put_chars (drivers/char/virtio_console.c:1176) [ 44.161843][ T10] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 44.161846][ T10] ? __send_to_port (drivers/char/virtio_console.c:654) [ 44.161849][ T10] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 44.161853][ T10] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 44.161859][ T10] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 44.161861][ T10] ? 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) [ 44.161863][ T10] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 44.161866][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 44.161869][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.161871][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.161875][ T10] console_emit_next_record (kernel/printk/printk.c:3183) [ 44.161878][ T10] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 44.161881][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.161883][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.161886][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.161888][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.161891][ T10] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 44.161894][ T10] console_flush_one_record (kernel/printk/printk.c:3268) [ 44.161897][ T10] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 44.161901][ T10] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 44.161903][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.161906][ T10] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 44.161908][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.161910][ T10] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 44.161912][ T10] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 44.161915][ T10] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 44.161918][ T10] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 44.161920][ T10] ? vprintk_emit (kernel/printk/printk.c:2478) [ 44.161923][ T10] vprintk_emit (kernel/printk/printk.c:2479) [ 44.161926][ T10] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 44.161929][ T10] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 44.161933][ T10] ? 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) [ 44.161935][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.161937][ T10] ? stack_access_ok (./arch/x86/include/asm/stacktrace.h:55) [ 44.161941][ T10] _printk (kernel/printk/printk.c:2504) [ 44.161945][ T10] ? snapshot_read.cold (user.c:?) [ 44.161948][ T10] ? __add_to_free_list (mm/page_alloc.c:447 mm/page_alloc.c:801) [ 44.161951][ T10] ? __mod_zone_page_state (mm/vmstat.c:371) [ 44.161955][ T10] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 44.161958][ T10] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 44.161961][ T10] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 44.161963][ T10] ? netdev_notice (net/core/dev.c:13194) [ 44.161966][ T10] ? free_pcppages_bulk (./include/trace/events/kmem.h:246 (discriminator 22) mm/page_alloc.c:1516 (discriminator 22)) [ 44.161969][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.161972][ T10] ? 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) [ 44.161976][ T10] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 44.161982][ T10] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 44.161986][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.161989][ T10] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 44.161991][ T10] ? 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) [ 44.161995][ T10] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 44.162000][ T10] ? 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) [ 44.162003][ T10] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 44.162007][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 44.162009][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.162012][ T10] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 44.162014][ T10] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 44.162016][ T10] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn [ 44.162021][ T10] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn [ 44.162026][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 44.162029][ T10] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1396 drivers/net/ovpn/peer.c:1452) ovpn [ 44.162035][ T10] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn [ 44.162039][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.162042][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.162044][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.162047][ T10] process_one_work (kernel/workqueue.c:3387) [ 44.162053][ T10] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 44.162055][ T10] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 44.162059][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 44.162062][ T10] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 44.162065][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 44.162068][ T10] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 44.162071][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 44.162074][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 44.162076][ T10] kthread (kernel/kthread.c:436) [ 44.162079][ T10] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 44.162081][ T10] ? kthread_affine_preferred (kernel/kthread.c:857) [ 44.162084][ T10] ret_from_fork (arch/x86/kernel/process.c:158) [ 44.162088][ T10] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 44.162091][ T10] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 44.162094][ T10] ? kthread_affine_preferred (kernel/kthread.c:857) [ 44.162097][ T10] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 45.249742][ T10] softirqs last disabled at (11173): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 45.249744][ T10] Preemption disabled at: | [ 45.249745][ T10] 0x0 | [ 45.249760][ T10] Tainted: [W]=WARN [ 45.249761][ T10] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 45.249763][ T10] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 45.249773][ T10] Call Trace: [ 45.249774][ T10] [ 45.249776][ T10] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 45.249782][ T10] __might_resched.cold (kernel/sched/core.c:9234) [ 45.249785][ T10] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 45.249788][ T10] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 45.249791][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.249795][ T10] __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)) [ 45.249799][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 45.249801][ T10] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 45.249805][ T10] ? 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) [ 45.249806][ T10] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 45.249809][ T10] put_chars (drivers/char/virtio_console.c:1176) [ 45.249811][ T10] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 45.249812][ T10] ? __send_to_port (drivers/char/virtio_console.c:654) [ 45.249814][ T10] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 45.249817][ T10] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 45.249821][ T10] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 45.249822][ T10] ? 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) [ 45.249824][ T10] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 45.249826][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 45.249827][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.249829][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.249831][ T10] console_emit_next_record (kernel/printk/printk.c:3183) [ 45.249834][ T10] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 45.249836][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.249838][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.249839][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.249841][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.249843][ T10] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 45.249844][ T10] console_flush_one_record (kernel/printk/printk.c:3268) [ 45.249846][ T10] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 45.249849][ T10] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 45.249851][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.249852][ T10] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 45.249854][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.249856][ T10] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 45.249857][ T10] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 45.249859][ T10] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 45.249861][ T10] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 45.249862][ T10] ? vprintk_emit (kernel/printk/printk.c:2478) [ 45.249864][ T10] vprintk_emit (kernel/printk/printk.c:2479) [ 45.249866][ T10] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 45.249868][ T10] ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495) [ 45.249871][ T10] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 45.249873][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.249875][ T10] _printk (kernel/printk/printk.c:2504) [ 45.249878][ T10] ? snapshot_read.cold (user.c:?) [ 45.249880][ T10] ? __add_to_free_list (mm/page_alloc.c:447 mm/page_alloc.c:801) [ 45.249882][ T10] ? __mod_zone_page_state (mm/vmstat.c:371) [ 45.249884][ T10] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 45.249887][ T10] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 45.249889][ T10] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 45.249891][ T10] ? netdev_notice (net/core/dev.c:13194) [ 45.249892][ T10] ? free_pcppages_bulk (./include/trace/events/kmem.h:246 (discriminator 22) mm/page_alloc.c:1516 (discriminator 22)) [ 45.249894][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.249896][ T10] ? 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) [ 45.249899][ T10] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 45.249903][ T10] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 45.249906][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 45.249907][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.249909][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.249911][ T10] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 45.249914][ T10] ? 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) [ 45.249916][ T10] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 45.249919][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 45.249920][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.249922][ T10] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 45.249923][ T10] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 45.249925][ T10] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn [ 45.249928][ T10] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn [ 45.249930][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 45.249933][ T10] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1396 drivers/net/ovpn/peer.c:1452) ovpn [ 45.249936][ T10] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn [ 45.249938][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.249940][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.249941][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.249943][ T10] process_one_work (kernel/workqueue.c:3387) [ 45.249948][ T10] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 45.249949][ T10] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 45.249952][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 45.249954][ T10] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 45.249957][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 45.249958][ T10] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 45.249961][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 45.249963][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 45.249964][ T10] kthread (kernel/kthread.c:436) [ 45.249966][ T10] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 45.249967][ T10] ? kthread_affine_preferred (kernel/kthread.c:857) [ 45.249969][ T10] ret_from_fork (arch/x86/kernel/process.c:158) [ 45.249972][ T10] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 45.249974][ T10] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 45.249976][ T10] ? kthread_affine_preferred (kernel/kthread.c:857) [ 45.249978][ T10] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 50.305820][ T63] softirqs last disabled at (22939): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 50.305824][ T63] Preemption disabled at: | [ 50.305825][ T63] 0x0 | [ 50.305838][ T63] Tainted: [W]=WARN [ 50.305839][ T63] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 50.305842][ T63] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 50.305852][ T63] Call Trace: [ 50.305854][ T63] [ 50.305857][ T63] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 50.305863][ T63] __might_resched.cold (kernel/sched/core.c:9234) [ 50.305868][ T63] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 50.305871][ T63] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 50.305875][ T63] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.305880][ T63] __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)) [ 50.305884][ T63] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 50.305888][ T63] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 50.305893][ T63] ? 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) [ 50.305895][ T63] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 50.305898][ T63] put_chars (drivers/char/virtio_console.c:1176) [ 50.305901][ T63] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 50.305904][ T63] ? __send_to_port (drivers/char/virtio_console.c:654) [ 50.305906][ T63] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 50.305911][ T63] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 50.305916][ T63] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 50.305918][ T63] ? 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) [ 50.305921][ T63] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 50.305923][ T63] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 50.305926][ T63] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.305929][ T63] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 50.305932][ T63] console_emit_next_record (kernel/printk/printk.c:3183) [ 50.305936][ T63] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 50.305939][ T63] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.305941][ T63] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.305943][ T63] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.305946][ T63] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 50.305949][ T63] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 50.305951][ T63] console_flush_one_record (kernel/printk/printk.c:3268) [ 50.305955][ T63] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 50.305959][ T63] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 50.305961][ T63] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 50.305963][ T63] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 50.305966][ T63] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.305968][ T63] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 50.305970][ T63] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 50.305973][ T63] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 50.305976][ T63] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 50.305978][ T63] ? vprintk_emit (kernel/printk/printk.c:2478) [ 50.305981][ T63] vprintk_emit (kernel/printk/printk.c:2479) [ 50.305984][ T63] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 50.305987][ T63] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 50.305989][ T63] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.305992][ T63] ? trace_sched_wakeup (./include/trace/events/sched.h:178 (discriminator 22)) [ 50.305995][ T63] _printk (kernel/printk/printk.c:2504) [ 50.305999][ T63] ? snapshot_read.cold (user.c:?) [ 50.306002][ T63] ? try_to_wake_up (./include/linux/preempt.h:500 (discriminator 1) kernel/sched/core.c:4263 (discriminator 1)) [ 50.306004][ T63] ? select_fallback_rq (kernel/sched/sched.h:1424) [ 50.306007][ T63] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 50.306011][ T63] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 50.306013][ T63] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 50.306016][ T63] ? netdev_notice (net/core/dev.c:13194) [ 50.306018][ T63] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.306022][ T63] ? __queue_work (./include/linux/rcupdate.h:882 kernel/workqueue.c:2459) [ 50.306026][ T63] ? 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) [ 50.306029][ T63] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 50.306036][ T63] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 50.306040][ T63] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.306042][ T63] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 50.306045][ T63] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 50.306050][ T63] ? 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) [ 50.306053][ T63] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 50.306057][ T63] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 50.306059][ T63] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.306062][ T63] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 50.306064][ T63] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 50.306067][ T63] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn [ 50.306072][ T63] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn [ 50.306076][ T63] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 50.306080][ T63] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1423 drivers/net/ovpn/peer.c:1456) ovpn [ 50.306085][ T63] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn [ 50.306089][ T63] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.306092][ T63] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 50.306094][ T63] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.306097][ T63] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 50.306100][ T63] process_one_work (kernel/workqueue.c:3387) [ 50.306104][ T63] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 50.306108][ T63] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 50.306111][ T63] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 50.306115][ T63] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 50.306117][ T63] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 50.306120][ T63] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 50.306123][ T63] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 50.306125][ T63] kthread (kernel/kthread.c:436) [ 50.306128][ T63] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 50.306130][ T63] ? kthread_affine_preferred (kernel/kthread.c:857) [ 50.306133][ T63] ret_from_fork (arch/x86/kernel/process.c:158) [ 50.306137][ T63] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 50.306139][ T63] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 50.306143][ T63] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_lock_spinning_enable __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record:console_flush_one_record do_softirq:__dev_queue_xmit:dump_stack_lvl:__kmalloc_noprof:put_chars