====================================== | [ 11.949648][ T248] softirqs last disabled at (35875): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.949650][ T248] Preemption disabled at: | [ 11.949651][ T248] 0x0 | [ 11.949661][ T248] Tainted: [W]=WARN [ 11.949662][ T248] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.949664][ T248] Call Trace: [ 11.949665][ T248] [ 11.949667][ T248] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.949674][ T248] __might_resched.cold (kernel/sched/core.c:9234) [ 11.949679][ T248] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.949683][ T248] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.949688][ T248] __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)) [ 11.949690][ T248] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.949696][ T248] ? 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) [ 11.949699][ T248] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.949702][ T248] put_chars (drivers/char/virtio_console.c:1176) [ 11.949705][ T248] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.949707][ T248] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.949712][ T248] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.949717][ T248] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.949727][ T248] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.949729][ T248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.949732][ T248] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.949736][ T248] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.949740][ T248] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.949742][ T248] ? 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)) [ 11.949745][ T248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.949747][ T248] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.949751][ T248] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.949755][ T248] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.949757][ T248] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.949762][ T248] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.949765][ T248] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.949767][ T248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.949769][ T248] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.949773][ T248] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.949775][ T248] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.949778][ T248] vprintk_emit (kernel/printk/printk.c:2479) [ 11.949782][ T248] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.949785][ T248] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.949789][ T248] _printk (kernel/printk/printk.c:2504) [ 11.949793][ T248] ? snapshot_read.cold (user.c:?) [ 11.949796][ T248] ? 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) [ 11.949798][ T248] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.949802][ T248] ? 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) [ 11.949805][ T248] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.949809][ T248] ? exit_notify (kernel/exit.c:780) [ 11.949810][ T248] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.949813][ T248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.949817][ T248] do_group_exit (kernel/exit.c:1151) [ 11.949820][ T248] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.949822][ T248] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.949824][ T248] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.949828][ T248] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.949831][ T248] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.949833][ T248] RIP: 0033:0x7f64c101f1b8 [ 11.949835][ T248] Code: Unable to access opcode bytes at 0x7f64c101f18e. Code starting with the faulting instruction =========================================== [ 11.949837][ T248] RSP: 002b:00007ffee783f108 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.949839][ T248] RAX: ffffffffffffffda RBX: 00007f64c114ff88 RCX: 00007f64c101f1b8 [ 11.949840][ T248] RDX: 00007f64c0d69fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.949841][ T248] RBP: 00007ffee783f160 R08: 0000000000000000 R09: 0000000000000000 [ 11.949842][ T248] R10: 00007ffee783ef20 R11: 0000000000000246 R12: 0000000000000001 [ 11.949843][ T248] R13: 0000000000000000 R14: 00007f64c114e680 R15: 00007f64c114ffa0 | [ 21.587979][ T365] softirqs last disabled at (3440): ovpn_peer_release_p2p (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1243) ovpn | [ 21.587983][ T365] Preemption disabled at: | [ 21.587984][ T365] 0x0 | [ 21.587994][ T365] Tainted: [W]=WARN [ 21.587995][ T365] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 21.587997][ T365] Call Trace: [ 21.587999][ T365] [ 21.588000][ T365] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 21.588007][ T365] __might_resched.cold (kernel/sched/core.c:9234) [ 21.588011][ T365] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 21.588016][ T365] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 21.588021][ T365] __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)) [ 21.588023][ T365] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.588029][ T365] ? 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) [ 21.588032][ T365] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.588036][ T365] put_chars (drivers/char/virtio_console.c:1176) [ 21.588039][ T365] ? __send_to_port (drivers/char/virtio_console.c:654) [ 21.588045][ T365] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 21.588053][ T365] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 21.588056][ T365] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.588060][ T365] console_emit_next_record (kernel/printk/printk.c:3183) [ 21.588064][ T365] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 21.588066][ T365] ? 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)) [ 21.588069][ T365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.588073][ T365] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.588077][ T365] console_flush_one_record (kernel/printk/printk.c:3268) [ 21.588081][ T365] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 21.588083][ T365] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.588089][ T365] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 21.588092][ T365] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 21.588094][ T365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.588096][ T365] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 21.588100][ T365] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 21.588101][ T365] ? vprintk_emit (kernel/printk/printk.c:2478) [ 21.588105][ T365] vprintk_emit (kernel/printk/printk.c:2479) [ 21.588109][ T365] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 21.588112][ T365] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 21.588116][ T365] _printk (kernel/printk/printk.c:2504) [ 21.588119][ T365] ? snapshot_read.cold (user.c:?) [ 21.588121][ T365] ? try_to_wake_up (./include/linux/preempt.h:500 (discriminator 1) kernel/sched/core.c:4263 (discriminator 1)) [ 21.588125][ T365] ? select_fallback_rq (kernel/sched/sched.h:1424) [ 21.588127][ T365] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 21.588131][ T365] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 21.588134][ T365] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 21.588136][ T365] ? netdev_notice (net/core/dev.c:13194) [ 21.588141][ T365] ? __queue_work (./include/linux/rcupdate.h:882 kernel/workqueue.c:2459) [ 21.588148][ T365] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 21.588153][ T365] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 21.588156][ T365] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 21.588159][ T365] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 21.588161][ T365] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 21.588165][ T365] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 21.588168][ T365] ? 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) [ 21.588171][ T365] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 21.588174][ T365] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 21.588179][ T365] ovpn_peer_release_p2p (drivers/net/ovpn/peer.c:1259) ovpn [ 21.588183][ T365] ? ovpn_peer_remove (./include/linux/list_nulls.h:111 (discriminator 2)) ovpn [ 21.588187][ T365] ? 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 [ 21.588193][ T365] udpv6_destroy_sock (net/ipv6/udp.c:1811 net/ipv6/udp.c:1796) [ 21.588195][ T365] sk_common_release (net/core/sock.c:4042) [ 21.588199][ T365] inet_release (net/ipv4/af_inet.c:448) [ 21.588202][ T365] ? fcntl_setlk (fs/locks.c:2552) [ 21.588207][ T365] __sock_release (net/socket.c:735) [ 21.588210][ T365] sock_close (net/socket.c:1526 (discriminator 1)) [ 21.588212][ T365] __fput (fs/file_table.c:512) [ 21.588215][ T365] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 21.588217][ T365] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3206 (discriminator 6)) [ 21.588219][ T365] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 21.588222][ T365] ? 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) [ 21.588225][ T365] task_work_run (kernel/task_work.c:233) [ 21.588227][ T365] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 21.588229][ T365] ? task_work_cancel (kernel/task_work.c:190) [ 21.588232][ T365] ? kmem_cache_free (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6626) [ 21.588236][ T365] do_exit (./include/linux/task_work.h:40 kernel/exit.c:1008) [ 21.588239][ T365] ? exit_notify (kernel/exit.c:780) [ 21.588240][ T365] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 21.588244][ T365] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 21.588245][ T365] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 21.588249][ T365] do_group_exit (kernel/exit.c:1151) [ 21.588250][ T365] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 21.588252][ T365] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 21.588254][ T365] ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:219 kernel/locking/spinlock.c:229) [ 21.588256][ T365] ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:220 (discriminator 1) kernel/locking/spinlock.c:229 (discriminator 1)) [ 21.588257][ T365] get_signal (kernel/signal.c:3039) [ 21.588262][ T365] ? kmem_cache_free (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6626) [ 21.588264][ T365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.588268][ T365] ? ptrace_signal (./include/linux/signal.h:87) [ 21.588270][ T365] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 21.588273][ T365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.588275][ T365] ? trace_sched_exit_tp (./include/trace/events/sched.h:886 (discriminator 22)) [ 21.588280][ T365] arch_do_signal_or_restart (arch/x86/kernel/signal.c:337) [ 21.588284][ T365] ? get_sigframe_size (arch/x86/kernel/signal.c:233) [ 21.588285][ T365] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 21.588290][ T365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.588292][ T365] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 21.588295][ T365] exit_to_user_mode_loop (kernel/entry/common.c:66 kernel/entry/common.c:101) [ 21.588298][ T365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.588301][ T365] 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) [ 21.588304][ T365] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 21.588307][ T365] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 21.588309][ T365] RIP: 0033:0x7f170acad54e [ 21.588312][ T365] Code: Unable to access opcode bytes at 0x7f170acad524. Code starting with the faulting instruction =========================================== [ 21.588313][ T365] RSP: 002b:00007ffd1a570d20 EFLAGS: 00000202 ORIG_RAX: 0000000000000022 [ 21.588315][ T365] RAX: fffffffffffffdfe RBX: 0000000000000000 RCX: 00007f170acad54e [ 21.588316][ T365] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 21.588317][ T365] RBP: 00007ffd1a570d30 R08: 0000000000000000 R09: 0000000000000000 [ 21.588318][ T365] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd1a5712b8 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print ovpn_peer_release_p2p:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print