====================================== | [ 10.952085][ T249] softirqs last disabled at (35810): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 10.952088][ T249] Preemption disabled at: | [ 10.952088][ T249] 0x0 | [ 10.952099][ T249] Tainted: [W]=WARN [ 10.952100][ T249] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.952101][ T249] Call Trace: [ 10.952103][ T249] [ 10.952104][ T249] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.952110][ T249] __might_resched.cold (kernel/sched/core.c:9234) [ 10.952115][ T249] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.952119][ T249] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.952123][ T249] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 10.952126][ T249] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.952131][ T249] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 10.952134][ T249] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.952137][ T249] put_chars (drivers/char/virtio_console.c:1176) [ 10.952140][ T249] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.952142][ T249] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.952146][ T249] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.952151][ T249] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.952158][ T249] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.952160][ T249] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.952162][ T249] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.952166][ T249] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.952170][ T249] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.952171][ T249] ? 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)) [ 10.952175][ T249] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.952177][ T249] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.952181][ T249] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.952185][ T249] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.952186][ T249] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.952191][ T249] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.952194][ T249] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.952196][ T249] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.952198][ T249] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.952202][ T249] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.952203][ T249] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.952206][ T249] vprintk_emit (kernel/printk/printk.c:2479) [ 10.952210][ T249] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.952214][ T249] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.952217][ T249] _printk (kernel/printk/printk.c:2504) [ 10.952221][ T249] ? snapshot_read.cold (user.c:?) [ 10.952223][ T249] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 10.952226][ T249] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.952229][ T249] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 10.952232][ T249] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.952236][ T249] ? exit_notify (kernel/exit.c:780) [ 10.952237][ T249] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.952239][ T249] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.952243][ T249] do_group_exit (kernel/exit.c:1151) [ 10.952246][ T249] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.952248][ T249] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.952251][ T249] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.952254][ T249] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.952257][ T249] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.952259][ T249] RIP: 0033:0x7f89b9a251b8 [ 10.952262][ T249] Code: Unable to access opcode bytes at 0x7f89b9a2518e. Code starting with the faulting instruction =========================================== [ 10.952263][ T249] RSP: 002b:00007ffce544fbb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.952265][ T249] RAX: ffffffffffffffda RBX: 00007f89b9b55f88 RCX: 00007f89b9a251b8 [ 10.952266][ T249] RDX: 00007f89b976ffc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.952267][ T249] RBP: 00007ffce544fc10 R08: 0000000000000000 R09: 0000000000000000 [ 10.952268][ T249] R10: 00007ffce544f9d0 R11: 0000000000000246 R12: 0000000000000001 [ 10.952269][ T249] R13: 0000000000000000 R14: 00007f89b9b54680 R15: 00007f89b9b55fa0 | [ 20.017770][ T364] softirqs last disabled at (3432): ovpn_peer_release_p2p (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1243) ovpn | [ 20.017773][ T364] Preemption disabled at: | [ 20.017774][ T364] 0x0 | [ 20.017784][ T364] Tainted: [W]=WARN [ 20.017785][ T364] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.017787][ T364] Call Trace: [ 20.017788][ T364] [ 20.017790][ T364] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 20.017795][ T364] __might_resched.cold (kernel/sched/core.c:9234) [ 20.017800][ T364] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 20.017804][ T364] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 20.017808][ T364] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 20.017811][ T364] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.017816][ T364] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 20.017819][ T364] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.017823][ T364] put_chars (drivers/char/virtio_console.c:1176) [ 20.017826][ T364] ? __send_to_port (drivers/char/virtio_console.c:654) [ 20.017833][ T364] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 20.017840][ T364] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 20.017843][ T364] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.017847][ T364] console_emit_next_record (kernel/printk/printk.c:3183) [ 20.017851][ T364] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 20.017853][ T364] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 20.017856][ T364] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.017860][ T364] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.017864][ T364] console_flush_one_record (kernel/printk/printk.c:3268) [ 20.017868][ T364] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 20.017870][ T364] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.017876][ T364] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 20.017879][ T364] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 20.017880][ T364] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.017883][ T364] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 20.017886][ T364] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 20.017888][ T364] ? vprintk_emit (kernel/printk/printk.c:2478) [ 20.017892][ T364] vprintk_emit (kernel/printk/printk.c:2479) [ 20.017895][ T364] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 20.017898][ T364] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 20.017902][ T364] _printk (kernel/printk/printk.c:2504) [ 20.017906][ T364] ? snapshot_read.cold (user.c:?) [ 20.017907][ T364] ? try_to_wake_up (./include/linux/preempt.h:500 (discriminator 1) kernel/sched/core.c:4263 (discriminator 1)) [ 20.017911][ T364] ? select_fallback_rq (kernel/sched/sched.h:1424) [ 20.017913][ T364] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 20.017916][ T364] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 20.017920][ T364] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 20.017922][ T364] ? netdev_notice (net/core/dev.c:13194) [ 20.017927][ T364] ? __queue_work (./include/linux/rcupdate.h:882 kernel/workqueue.c:2459) [ 20.017933][ T364] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 20.017939][ T364] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 20.017942][ T364] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 20.017945][ T364] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 20.017947][ T364] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 20.017951][ T364] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 20.017954][ T364] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 20.017957][ T364] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 20.017960][ T364] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 20.017965][ T364] ovpn_peer_release_p2p (drivers/net/ovpn/peer.c:1259) ovpn [ 20.017968][ T364] ? ovpn_peer_remove (./include/linux/list_nulls.h:111 (discriminator 2)) ovpn [ 20.017972][ T364] ? ovpn_udp_encap_destroy (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) drivers/net/ovpn/udp.c:368 (discriminator 2)) ovpn [ 20.017978][ T364] udpv6_destroy_sock (net/ipv6/udp.c:1811 net/ipv6/udp.c:1796) [ 20.017980][ T364] sk_common_release (net/core/sock.c:4042) [ 20.017983][ T364] inet_release (net/ipv4/af_inet.c:448) [ 20.017986][ T364] ? fcntl_setlk (fs/locks.c:2552) [ 20.017991][ T364] __sock_release (net/socket.c:735) [ 20.017995][ T364] sock_close (net/socket.c:1526 (discriminator 1)) [ 20.017997][ T364] __fput (fs/file_table.c:512) [ 20.018000][ T364] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 20.018001][ T364] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3206 (discriminator 6)) [ 20.018004][ T364] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 20.018006][ T364] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 20.018009][ T364] task_work_run (kernel/task_work.c:233) [ 20.018012][ T364] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 20.018014][ T364] ? task_work_cancel (kernel/task_work.c:190) [ 20.018016][ T364] ? kmem_cache_free (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6626) [ 20.018021][ T364] do_exit (./include/linux/task_work.h:40 kernel/exit.c:1008) [ 20.018024][ T364] ? exit_notify (kernel/exit.c:780) [ 20.018025][ T364] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 20.018028][ T364] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 20.018030][ T364] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 20.018034][ T364] do_group_exit (kernel/exit.c:1151) [ 20.018035][ T364] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 20.018037][ T364] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 20.018038][ T364] ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:219 kernel/locking/spinlock.c:229) [ 20.018041][ T364] ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:220 (discriminator 1) kernel/locking/spinlock.c:229 (discriminator 1)) [ 20.018042][ T364] get_signal (kernel/signal.c:3039) [ 20.018048][ T364] ? kmem_cache_free (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6626) [ 20.018050][ T364] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.018054][ T364] ? ptrace_signal (./include/linux/signal.h:87) [ 20.018055][ T364] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 20.018058][ T364] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.018061][ T364] ? trace_sched_exit_tp (./include/trace/events/sched.h:886 (discriminator 22)) [ 20.018066][ T364] arch_do_signal_or_restart (arch/x86/kernel/signal.c:337) [ 20.018069][ T364] ? get_sigframe_size (arch/x86/kernel/signal.c:233) [ 20.018070][ T364] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 20.018075][ T364] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.018078][ T364] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 20.018080][ T364] exit_to_user_mode_loop (kernel/entry/common.c:66 kernel/entry/common.c:101) [ 20.018083][ T364] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.018086][ T364] do_syscall_64 (./include/linux/irq-entry-common.h:207 ./include/linux/irq-entry-common.h:230 ./include/linux/entry-common.h:336 arch/x86/entry/syscall_64.c:89) [ 20.018089][ T364] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 20.018092][ T364] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 20.018094][ T364] RIP: 0033:0x7f5014edc54e [ 20.018096][ T364] Code: Unable to access opcode bytes at 0x7f5014edc524. Code starting with the faulting instruction =========================================== [ 20.018097][ T364] RSP: 002b:00007ffdf1433700 EFLAGS: 00000202 ORIG_RAX: 0000000000000022 [ 20.018099][ T364] RAX: fffffffffffffdfe RBX: 0000000000000000 RCX: 00007f5014edc54e [ 20.018101][ T364] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 20.018101][ T364] RBP: 00007ffdf1433710 R08: 0000000000000000 R09: 0000000000000000 [ 20.018102][ T364] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdf1433c98 [ 20.018103][ T364] R13: 0000000000000008 R14: 00007f50151c7000 R15: 000000000040bda8 | [ 21.404794][ T529] softirqs last disabled at (29139): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 21.404797][ T529] Preemption disabled at: | [ 21.404797][ T529] 0x0 | [ 21.404807][ T529] Tainted: [W]=WARN [ 21.404808][ T529] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 21.404810][ T529] Call Trace: [ 21.404811][ T529] [ 21.404813][ T529] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 21.404819][ T529] __might_resched.cold (kernel/sched/core.c:9234) [ 21.404823][ T529] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 21.404827][ T529] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 21.404832][ T529] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 21.404834][ T529] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.404840][ T529] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 21.404843][ T529] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.404846][ T529] put_chars (drivers/char/virtio_console.c:1176) [ 21.404849][ T529] ? __send_to_port (drivers/char/virtio_console.c:654) [ 21.404851][ T529] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 21.404855][ T529] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 21.404860][ T529] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 21.404867][ T529] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 21.404869][ T529] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.404871][ T529] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.404875][ T529] console_emit_next_record (kernel/printk/printk.c:3183) [ 21.404879][ T529] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 21.404881][ T529] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 21.404884][ T529] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.404886][ T529] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.404890][ T529] console_flush_one_record (kernel/printk/printk.c:3268) [ 21.404894][ T529] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 21.404895][ T529] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.404900][ T529] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 21.404903][ T529] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 21.404905][ T529] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.404907][ T529] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 21.404911][ T529] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 21.404912][ T529] ? vprintk_emit (kernel/printk/printk.c:2478) [ 21.404915][ T529] vprintk_emit (kernel/printk/printk.c:2479) [ 21.404919][ T529] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 21.404922][ T529] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.404926][ T529] _printk (kernel/printk/printk.c:2504) [ 21.404929][ T529] ? snapshot_read.cold (user.c:?) [ 21.404932][ T529] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 21.404934][ T529] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 21.404938][ T529] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 21.404940][ T529] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 21.404944][ T529] ? exit_notify (kernel/exit.c:780) [ 21.404945][ T529] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 21.404948][ T529] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.404952][ T529] do_group_exit (kernel/exit.c:1151) [ 21.404955][ T529] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 21.404956][ T529] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 21.404959][ T529] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 21.404963][ T529] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 21.404965][ T529] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 21.404968][ T529] RIP: 0033:0x7fbafc9101b8 [ 21.404970][ T529] Code: Unable to access opcode bytes at 0x7fbafc91018e. Code starting with the faulting instruction =========================================== [ 21.404971][ T529] RSP: 002b:00007ffe7df49b98 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 21.404973][ T529] RAX: ffffffffffffffda RBX: 00007fbafca40f88 RCX: 00007fbafc9101b8 [ 21.404974][ T529] RDX: 00007fbafc65afc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 21.404975][ T529] RBP: 00007ffe7df49bf0 R08: 0000000000000000 R09: 0000000000000050 [ 21.404976][ T529] R10: 00007ffe7df499b0 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print ovpn_peer_release_p2p:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print