====================================== | [ 23.359130][ T343] softirqs last disabled at (3672): ovpn_peers_release_mp (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1272) ovpn | [ 23.359134][ T343] Preemption disabled at: | [ 23.359134][ T343] 0x0 | [ 23.359145][ T343] Tainted: [W]=WARN [ 23.359146][ T343] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 23.359147][ T343] Call Trace: [ 23.359149][ T343] [ 23.359148][ T364] tun1: deleting peer with id 10, reason 4 [ 23.359151][ T343] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 23.359157][ T343] __might_resched.cold (kernel/sched/core.c:9234) [ 23.359162][ T343] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 23.359166][ T343] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 23.359171][ T343] __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)) [ 23.359174][ T343] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 23.359180][ T343] ? 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) [ 23.359183][ T343] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 23.359186][ T343] put_chars (drivers/char/virtio_console.c:1176) [ 23.359189][ T343] ? __send_to_port (drivers/char/virtio_console.c:654) [ 23.359192][ T343] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 23.359197][ T343] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 23.359200][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 23.359206][ T343] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 23.359208][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.359215][ T343] console_emit_next_record (kernel/printk/printk.c:3183) [ 23.359219][ T343] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 23.359221][ T343] ? 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)) [ 23.359224][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.359226][ T343] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.359230][ T343] console_flush_one_record (kernel/printk/printk.c:3268) [ 23.359235][ T343] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 23.359236][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 23.359242][ T343] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 23.359244][ T343] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 23.359246][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.359249][ T343] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 23.359252][ T343] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 23.359254][ T343] ? vprintk_emit (kernel/printk/printk.c:2478) [ 23.359257][ T343] vprintk_emit (kernel/printk/printk.c:2479) [ 23.359261][ T343] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 23.359264][ T343] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 23.359267][ T343] ? mark_usage (kernel/locking/lockdep.c:4690) [ 23.359270][ T343] _printk (kernel/printk/printk.c:2504) [ 23.359273][ T343] ? snapshot_read.cold (user.c:?) [ 23.359276][ T343] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 23.359279][ T343] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 23.359282][ T343] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 23.359285][ T343] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 23.359287][ T343] ? netdev_notice (net/core/dev.c:13194) [ 23.359290][ T343] ? __kernel_text_address (kernel/extable.c:79) [ 23.359294][ T343] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 23.359299][ T343] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 23.359301][ T343] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 23.359306][ T343] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 23.359311][ T343] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 23.359314][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 23.359319][ T343] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 23.359322][ T343] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 23.359325][ T343] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 23.359328][ T343] ? ovpn_peers_release_mp (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) drivers/net/ovpn/peer.c:1283 (discriminator 2)) ovpn [ 23.359333][ T343] ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1287) ovpn [ 23.359338][ T343] ? ovpn_nexthop_from_rt6 (./include/linux/netdevice.h:5709) ovpn [ 23.359341][ T343] ? 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 [ 23.359347][ T343] udpv6_destroy_sock (net/ipv6/udp.c:1811 net/ipv6/udp.c:1796) [ 23.359350][ T343] sk_common_release (net/core/sock.c:4042) [ 23.359353][ T343] inet_release (net/ipv4/af_inet.c:448) [ 23.359361][ T343] ? fcntl_setlk (fs/locks.c:2552) [ 23.359366][ T343] __sock_release (net/socket.c:735) [ 23.359369][ T343] sock_close (net/socket.c:1526 (discriminator 1)) [ 23.359371][ T343] __fput (fs/file_table.c:512) [ 23.359374][ T343] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 23.359377][ T343] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3206 (discriminator 6)) [ 23.359379][ T343] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 23.359383][ T343] task_work_run (kernel/task_work.c:233) [ 23.359385][ T343] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 23.359387][ T343] ? task_work_cancel (kernel/task_work.c:190) [ 23.359390][ T343] ? kmem_cache_free (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6626) [ 23.359394][ T343] do_exit (./include/linux/task_work.h:40 kernel/exit.c:1008) [ 23.359397][ T343] ? exit_notify (kernel/exit.c:780) [ 23.359398][ T343] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 23.359401][ T343] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 23.359402][ T343] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 23.359406][ T343] do_group_exit (kernel/exit.c:1151) [ 23.359407][ T343] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 23.359409][ T343] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 23.359410][ T343] ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:219 kernel/locking/spinlock.c:229) [ 23.359413][ T343] ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:220 (discriminator 1) kernel/locking/spinlock.c:229 (discriminator 1)) [ 23.359414][ T343] get_signal (kernel/signal.c:3039) [ 23.359420][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.359422][ T343] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 23.359424][ T343] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 23.359427][ T343] ? ptrace_signal (./include/linux/signal.h:87) [ 23.359428][ T343] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 23.359431][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.359433][ T343] ? trace_sched_exit_tp (./include/trace/events/sched.h:886 (discriminator 22)) [ 23.359438][ T343] arch_do_signal_or_restart (arch/x86/kernel/signal.c:337) [ 23.359441][ T343] ? get_sigframe_size (arch/x86/kernel/signal.c:233) [ 23.359443][ T343] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 23.359447][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.359450][ T343] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 23.359452][ T343] exit_to_user_mode_loop (kernel/entry/common.c:66 kernel/entry/common.c:101) [ 23.359455][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.359458][ T343] 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) [ 23.359461][ T343] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 23.359464][ T343] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 23.359466][ T343] RIP: 0033:0x7f98a7f1254e [ 23.359468][ T343] Code: Unable to access opcode bytes at 0x7f98a7f12524. Code starting with the faulting instruction =========================================== [ 23.359469][ T343] RSP: 002b:00007ffd79c01960 EFLAGS: 00000202 ORIG_RAX: 0000000000000022 [ 23.359472][ T343] RAX: fffffffffffffdfe RBX: 0000000000000000 RCX: 00007f98a7f1254e [ 23.359473][ T343] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 23.359474][ T343] RBP: 00007ffd79c01970 R08: 0000000000000000 R09: 0000000000000000 [ 23.359474][ T343] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd79c01ef8 Finger prints: ovpn_peers_release_mp:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print