====================================== | [ 23.870696][ T322] softirqs last disabled at (3732): ovpn_peers_release_mp (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1272) ovpn | [ 23.870699][ T322] Preemption disabled at: | [ 23.870700][ T322] 0x0 | [ 23.870710][ T322] Tainted: [W]=WARN [ 23.870711][ T322] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 23.870713][ T322] Call Trace: [ 23.870714][ T322] [ 23.870716][ T322] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 23.870722][ T322] __might_resched.cold (kernel/sched/core.c:9234) [ 23.870726][ T322] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 23.870731][ T322] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 23.870735][ T322] __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)) [ 23.870738][ T322] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 23.870743][ T322] ? 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) [ 23.870746][ T322] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 23.870750][ T322] put_chars (drivers/char/virtio_console.c:1176) [ 23.870753][ T322] ? __send_to_port (drivers/char/virtio_console.c:654) [ 23.870756][ T322] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 23.870761][ T322] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 23.870764][ T322] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 23.870770][ T322] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 23.870773][ T322] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.870782][ T322] console_emit_next_record (kernel/printk/printk.c:3183) [ 23.870786][ T322] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 23.870788][ T322] ? 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)) [ 23.870791][ T322] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.870793][ T322] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.870798][ T322] console_flush_one_record (kernel/printk/printk.c:3268) [ 23.870802][ T322] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 23.870804][ T322] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 23.870809][ T322] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 23.870812][ T322] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 23.870814][ T322] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.870816][ T322] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 23.870820][ T322] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 23.870821][ T322] ? vprintk_emit (kernel/printk/printk.c:2478) [ 23.870825][ T322] vprintk_emit (kernel/printk/printk.c:2479) [ 23.870829][ T322] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 23.870831][ T322] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 23.870834][ T322] ? mark_usage (kernel/locking/lockdep.c:4690) [ 23.870837][ T322] _printk (kernel/printk/printk.c:2504) [ 23.870841][ T322] ? snapshot_read.cold (user.c:?) [ 23.870844][ T322] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 23.870846][ T322] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 23.870850][ T322] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 23.870853][ T322] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 23.870855][ T322] ? netdev_notice (net/core/dev.c:13194) [ 23.870858][ T322] ? __kernel_text_address (kernel/extable.c:79) [ 23.870862][ T322] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 23.870867][ T322] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 23.870870][ T322] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 23.870874][ T322] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 23.870879][ T322] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 23.870882][ T322] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 23.870887][ T322] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 23.870891][ T322] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 23.870893][ T365] tun2: deleting peer with id 11, reason 4 [ 23.870894][ T322] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 23.870898][ T322] ? 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 [ 23.870902][ T322] ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1287) ovpn [ 23.870907][ T322] ? ovpn_nexthop_from_rt6 (./include/linux/netdevice.h:5709) ovpn [ 23.870911][ T322] ? 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 [ 23.870916][ T322] udpv6_destroy_sock (net/ipv6/udp.c:1811 net/ipv6/udp.c:1796) [ 23.870919][ T322] sk_common_release (net/core/sock.c:4042) [ 23.870922][ T322] inet_release (net/ipv4/af_inet.c:448) [ 23.870925][ T322] ? fcntl_setlk (fs/locks.c:2552) [ 23.870930][ T322] __sock_release (net/socket.c:735) [ 23.870933][ T322] sock_close (net/socket.c:1526 (discriminator 1)) [ 23.870935][ T322] __fput (fs/file_table.c:512) [ 23.870938][ T322] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 23.870941][ T322] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3206 (discriminator 6)) [ 23.870943][ T322] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 23.870947][ T322] task_work_run (kernel/task_work.c:233) [ 23.870949][ T322] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 23.870951][ T322] ? task_work_cancel (kernel/task_work.c:190) [ 23.870954][ T322] ? kmem_cache_free (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6626) [ 23.870958][ T322] do_exit (./include/linux/task_work.h:40 kernel/exit.c:1008) [ 23.870961][ T322] ? exit_notify (kernel/exit.c:780) [ 23.870962][ T322] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 23.870965][ T322] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 23.870966][ T322] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 23.870970][ T322] do_group_exit (kernel/exit.c:1151) [ 23.870971][ T322] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 23.870973][ T322] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 23.870974][ T322] ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:219 kernel/locking/spinlock.c:229) [ 23.870977][ T322] ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:220 (discriminator 1) kernel/locking/spinlock.c:229 (discriminator 1)) [ 23.870978][ T322] get_signal (kernel/signal.c:3039) [ 23.870983][ T322] ? kmem_cache_free (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6626) [ 23.870985][ T322] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.870989][ T322] ? ptrace_signal (./include/linux/signal.h:87) [ 23.870991][ T322] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 23.870994][ T322] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.870996][ T322] ? trace_sched_exit_tp (./include/trace/events/sched.h:886 (discriminator 22)) [ 23.871001][ T322] arch_do_signal_or_restart (arch/x86/kernel/signal.c:337) [ 23.871004][ T322] ? get_sigframe_size (arch/x86/kernel/signal.c:233) [ 23.871005][ T322] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 23.871010][ T322] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.871013][ T322] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 23.871015][ T322] exit_to_user_mode_loop (kernel/entry/common.c:66 kernel/entry/common.c:101) [ 23.871018][ T322] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.871021][ T322] 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) [ 23.871024][ T322] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 23.871026][ T322] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 23.871028][ T322] RIP: 0033:0x7fbebea8a54e [ 23.871031][ T322] Code: Unable to access opcode bytes at 0x7fbebea8a524. Code starting with the faulting instruction =========================================== [ 23.871032][ T322] RSP: 002b:00007ffec936ee90 EFLAGS: 00000202 ORIG_RAX: 0000000000000022 [ 23.871034][ T322] RAX: fffffffffffffdfe RBX: 0000000000000000 RCX: 00007fbebea8a54e [ 23.871036][ T322] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 23.871036][ T322] RBP: 00007ffec936eea0 R08: 0000000000000000 R09: 0000000000000000 [ 23.871037][ T322] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffec936f428 Finger prints: ovpn_peers_release_mp:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print