====================================== | [ 21.959645][ T321] softirqs last disabled at (3640): ovpn_peers_release_mp (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1272) ovpn | [ 21.959651][ T321] Preemption disabled at: | [ 21.959652][ T321] 0x0 | [ 21.959665][ T321] Tainted: [W]=WARN [ 21.959666][ T321] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 21.959669][ T321] Call Trace: [ 21.959671][ T321] [ 21.959673][ T321] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 21.959681][ T321] __might_resched.cold (kernel/sched/core.c:9234) [ 21.959687][ T321] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 21.959692][ T321] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 21.959699][ T321] __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)) [ 21.959703][ T321] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.959711][ T321] ? 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) [ 21.959715][ T321] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.959720][ T321] put_chars (drivers/char/virtio_console.c:1176) [ 21.959724][ T321] ? __send_to_port (drivers/char/virtio_console.c:654) [ 21.959730][ T321] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 21.959739][ T321] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 21.959743][ T321] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.959752][ T321] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 21.959756][ T321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.959766][ T321] console_emit_next_record (kernel/printk/printk.c:3183) [ 21.959772][ T321] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 21.959775][ T321] ? 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)) [ 21.959780][ T321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.959783][ T321] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.959790][ T321] console_flush_one_record (kernel/printk/printk.c:3268) [ 21.959797][ T321] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 21.959799][ T321] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.959808][ T321] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 21.959812][ T321] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 21.959815][ T321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.959818][ T321] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 21.959824][ T321] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 21.959827][ T321] ? vprintk_emit (kernel/printk/printk.c:2478) [ 21.959832][ T321] vprintk_emit (kernel/printk/printk.c:2479) [ 21.959838][ T321] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 21.959840][ T321] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 21.959845][ T321] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 21.959854][ T321] _printk (kernel/printk/printk.c:2504) [ 21.959859][ T321] ? snapshot_read.cold (user.c:?) [ 21.959864][ T321] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 21.959868][ T321] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 21.959870][ T321] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 21.959875][ T321] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 21.959881][ T321] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 21.959884][ T321] ? netdev_notice (net/core/dev.c:13194) [ 21.959891][ T321] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 21.959901][ T321] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 21.959909][ T321] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 21.959915][ T321] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.959924][ T321] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 21.959930][ T321] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 21.959936][ T321] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 21.959941][ T321] ? 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 [ 21.959948][ T321] ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1287) ovpn [ 21.959957][ T321] ? ovpn_nexthop_from_rt6 (./include/linux/netdevice.h:5709) ovpn [ 21.959964][ T321] ? 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 [ 21.959974][ T321] udpv6_destroy_sock (net/ipv6/udp.c:1811 net/ipv6/udp.c:1796) [ 21.959978][ T321] sk_common_release (net/core/sock.c:4042) [ 21.959983][ T321] inet_release (net/ipv4/af_inet.c:448) [ 21.959987][ T321] ? fcntl_setlk (fs/locks.c:2552) [ 21.959993][ T321] __sock_release (net/socket.c:735) [ 21.959998][ T321] sock_close (net/socket.c:1526 (discriminator 1)) [ 21.960001][ T321] __fput (fs/file_table.c:512) [ 21.960006][ T321] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 21.960009][ T321] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3206 (discriminator 6)) [ 21.960012][ T321] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 21.960018][ T321] task_work_run (kernel/task_work.c:233) [ 21.960025][ T321] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 21.960029][ T321] ? task_work_cancel (kernel/task_work.c:190) [ 21.960033][ T321] ? kmem_cache_free (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6626) [ 21.960040][ T321] do_exit (./include/linux/task_work.h:40 kernel/exit.c:1008) [ 21.960044][ T321] ? exit_notify (kernel/exit.c:780) [ 21.960046][ T321] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 21.960051][ T321] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 21.960053][ T321] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 21.960059][ T321] do_group_exit (kernel/exit.c:1151) [ 21.960061][ T321] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 21.960064][ T321] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 21.960066][ T321] ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:219 kernel/locking/spinlock.c:229) [ 21.960069][ T321] ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:220 (discriminator 1) kernel/locking/spinlock.c:229 (discriminator 1)) [ 21.960071][ T321] get_signal (kernel/signal.c:3039) [ 21.960080][ T321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.960084][ T321] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 21.960088][ T321] ? ptrace_signal (./include/linux/signal.h:87) [ 21.960090][ T321] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 21.960094][ T321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.960097][ T321] ? trace_sched_exit_tp (./include/trace/events/sched.h:886 (discriminator 22)) [ 21.960105][ T321] arch_do_signal_or_restart (arch/x86/kernel/signal.c:337) [ 21.960110][ T321] ? get_sigframe_size (arch/x86/kernel/signal.c:233) [ 21.960112][ T321] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 21.960120][ T321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.960124][ T321] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 21.960128][ T321] exit_to_user_mode_loop (kernel/entry/common.c:66 kernel/entry/common.c:101) [ 21.960131][ T321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.960137][ T321] 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) [ 21.960140][ T321] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 21.960144][ T321] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 21.960148][ T321] RIP: 0033:0x7ffb1225a54e [ 21.960151][ T321] Code: Unable to access opcode bytes at 0x7ffb1225a524. Code starting with the faulting instruction =========================================== [ 21.960152][ T321] RSP: 002b:00007ffd306efbb0 EFLAGS: 00000202 ORIG_RAX: 0000000000000022 [ 21.960155][ T321] RAX: fffffffffffffdfe RBX: 0000000000000000 RCX: 00007ffb1225a54e [ 21.960157][ T321] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 21.960158][ T321] RBP: 00007ffd306efbc0 R08: 0000000000000000 R09: 0000000000000000 [ 21.960160][ T321] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd306f0148 Finger prints: ovpn_peers_release_mp:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print