====================================== | [ 16.054322][ T314] softirqs last disabled at (22705): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 16.054325][ T314] Preemption disabled at: | [ 16.054325][ T314] 0x0 | [ 16.054336][ T314] Tainted: [W]=WARN [ 16.054337][ T314] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.054338][ T314] Call Trace: [ 16.054340][ T314] [ 16.054341][ T314] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 16.054348][ T314] __might_resched.cold (kernel/sched/core.c:9234) [ 16.054352][ T314] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 16.054357][ T314] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 16.054362][ T314] __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)) [ 16.054364][ T314] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.054370][ T314] ? 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) [ 16.054373][ T314] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.054377][ T314] put_chars (drivers/char/virtio_console.c:1176) [ 16.054380][ T314] ? __send_to_port (drivers/char/virtio_console.c:654) [ 16.054381][ T314] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 16.054387][ T314] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 16.054392][ T314] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 16.054398][ T314] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 16.054401][ T314] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.054403][ T314] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.054407][ T314] console_emit_next_record (kernel/printk/printk.c:3183) [ 16.054411][ T314] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 16.054413][ T314] ? 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)) [ 16.054416][ T314] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.054419][ T314] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.054423][ T314] console_flush_one_record (kernel/printk/printk.c:3268) [ 16.054427][ T314] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 16.054429][ T314] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.054434][ T314] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 16.054437][ T314] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 16.054439][ T314] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.054441][ T314] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 16.054445][ T314] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 16.054447][ T314] ? vprintk_emit (kernel/printk/printk.c:2478) [ 16.054450][ T314] vprintk_emit (kernel/printk/printk.c:2479) [ 16.054454][ T314] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 16.054458][ T314] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.054461][ T314] _printk (kernel/printk/printk.c:2504) [ 16.054465][ T314] ? snapshot_read.cold (user.c:?) [ 16.054468][ T314] ? 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) [ 16.054470][ T314] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 16.054474][ T314] ? 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) [ 16.054477][ T314] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 16.054481][ T314] ? exit_notify (kernel/exit.c:780) [ 16.054482][ T314] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.054485][ T314] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.054489][ T314] do_group_exit (kernel/exit.c:1151) [ 16.054492][ T314] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 16.054494][ T314] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 16.054497][ T314] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 16.054500][ T314] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 16.054503][ T314] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 16.054505][ T314] RIP: 0033:0x7f50827bb1b8 [ 16.054508][ T314] Code: Unable to access opcode bytes at 0x7f50827bb18e. Code starting with the faulting instruction =========================================== [ 16.054509][ T314] RSP: 002b:00007fff28f62828 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 16.054511][ T314] RAX: ffffffffffffffda RBX: 00007f50828ebf88 RCX: 00007f50827bb1b8 [ 16.054513][ T314] RDX: 00007f5082505fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 16.054514][ T314] RBP: 00007fff28f62880 R08: 0000000000000000 R09: 0000000000000050 [ 16.054515][ T314] R10: 00007fff28f62640 R11: 0000000000000246 R12: 0000000000000001 [ 16.054515][ T314] R13: 0000000000000000 R14: 00007f50828ea680 R15: 00007f50828ebfa0 | [ 29.926966][ T678] softirqs last disabled at (2318157): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 29.926969][ T678] Preemption disabled at: | [ 29.926969][ T678] 0x0 | [ 29.926980][ T678] Tainted: [W]=WARN [ 29.926981][ T678] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 29.926982][ T678] Call Trace: [ 29.926984][ T678] [ 29.926985][ T678] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 29.926992][ T678] __might_resched.cold (kernel/sched/core.c:9234) [ 29.926997][ T678] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 29.927001][ T678] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 29.927006][ T678] __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)) [ 29.927008][ T678] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 29.927015][ T678] ? 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) [ 29.927017][ T678] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 29.927021][ T678] put_chars (drivers/char/virtio_console.c:1176) [ 29.927023][ T678] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 29.927026][ T678] ? __send_to_port (drivers/char/virtio_console.c:654) [ 29.927029][ T678] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 29.927033][ T678] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 29.927036][ T678] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 29.927039][ T678] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 29.927043][ T678] ? mark_usage (kernel/locking/lockdep.c:4690) [ 29.927045][ T678] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.927047][ T678] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.927051][ T678] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 29.927053][ T678] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 29.927056][ T678] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.927059][ T678] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.927063][ T678] console_emit_next_record (kernel/printk/printk.c:3183) [ 29.927067][ T678] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 29.927069][ T678] ? 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)) [ 29.927072][ T678] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.927075][ T678] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.927079][ T678] console_flush_one_record (kernel/printk/printk.c:3268) [ 29.927083][ T678] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 29.927085][ T678] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.927090][ T678] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 29.927093][ T678] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 29.927095][ T678] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.927097][ T678] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 29.927101][ T678] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 29.927103][ T678] ? vprintk_emit (kernel/printk/printk.c:2478) [ 29.927106][ T678] vprintk_emit (kernel/printk/printk.c:2479) [ 29.927110][ T678] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 29.927114][ T678] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.927117][ T678] _printk (kernel/printk/printk.c:2504) [ 29.927121][ T678] ? snapshot_read.cold (user.c:?) [ 29.927124][ T678] ? 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) [ 29.927127][ T678] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 29.927131][ T678] ? 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) [ 29.927133][ T678] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 29.927137][ T678] ? exit_notify (kernel/exit.c:780) [ 29.927142][ T678] __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116) [ 29.927144][ T678] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61) [ 29.927147][ T678] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 29.927151][ T678] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 29.927154][ T678] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 29.927156][ T678] RIP: 0033:0x7f1a8e76fc49 [ 29.927158][ T678] Code: Unable to access opcode bytes at 0x7f1a8e76fc1f. Code starting with the faulting instruction =========================================== [ 29.927160][ T678] RSP: 002b:00007f1a8df2ee60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 29.927162][ T678] RAX: ffffffffffffffda RBX: 00007f1a8df2f6c0 RCX: 00007f1a8e76fc49 [ 29.927164][ T678] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 29.927165][ T678] RBP: 00007f1a8df2ef70 R08: 0000000000000001 R09: 00007f1a8df2f6c0 [ 29.927166][ T678] R10: 0000000000000008 R11: 0000000000000246 R12: 00007f1a8d72f000 [ 29.927166][ T678] R13: 00007ffc662811e0 R14: 0000000000000002 R15: 00007ffc662812e7 | [ 32.199591][ T772] softirqs last disabled at (37146): ovpn_peer_del (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1214) ovpn | [ 32.199595][ T772] Preemption disabled at: | [ 32.199595][ T772] 0x0 | [ 32.199605][ T772] Tainted: [W]=WARN [ 32.199610][ T772] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.199612][ T772] Call Trace: [ 32.199613][ T772] [ 32.199615][ T772] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 32.199621][ T772] __might_resched.cold (kernel/sched/core.c:9234) [ 32.199626][ T772] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 32.199630][ T772] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 32.199635][ T772] __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)) [ 32.199638][ T772] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.199644][ T772] ? 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) [ 32.199647][ T772] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.199650][ T772] put_chars (drivers/char/virtio_console.c:1176) [ 32.199653][ T772] ? __send_to_port (drivers/char/virtio_console.c:654) [ 32.199655][ T772] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 32.199659][ T772] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 32.199663][ T772] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 32.199666][ T772] ? mark_usage (kernel/locking/lockdep.c:4690) [ 32.199668][ T772] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.199670][ T772] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.199674][ T772] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 32.199675][ T772] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 32.199680][ T772] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.199684][ T772] console_emit_next_record (kernel/printk/printk.c:3183) [ 32.199687][ T772] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 32.199689][ T772] ? 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)) [ 32.199693][ T772] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.199697][ T772] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.199701][ T772] console_flush_one_record (kernel/printk/printk.c:3268) [ 32.199705][ T772] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 32.199707][ T772] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.199712][ T772] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 32.199715][ T772] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 32.199717][ T772] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.199719][ T772] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 32.199723][ T772] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 32.199725][ T772] ? vprintk_emit (kernel/printk/printk.c:2478) [ 32.199728][ T772] vprintk_emit (kernel/printk/printk.c:2479) [ 32.199732][ T772] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 32.199734][ T772] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 32.199737][ T772] ? __kernel_text_address (kernel/extable.c:79) [ 32.199738][ T772] ? write_profile (profile.c:?) [ 32.199741][ T772] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 32.199746][ T772] _printk (kernel/printk/printk.c:2504) [ 32.199749][ T772] ? snapshot_read.cold (user.c:?) [ 32.199753][ T772] ? mark_usage (kernel/locking/lockdep.c:4690) [ 32.199755][ T772] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 32.199758][ T772] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 32.199762][ T772] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 32.199764][ T772] ? netdev_notice (net/core/dev.c:13194) [ 32.199765][ T772] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 32.199768][ T772] ? mark_usage (kernel/locking/lockdep.c:4690) [ 32.199771][ T772] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.199777][ T772] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 32.199782][ T772] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 32.199786][ T772] ? ovpn_peer_get_by_id (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) drivers/net/ovpn/peer.c:680 (discriminator 2)) ovpn [ 32.199791][ T772] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 32.199795][ T772] ? 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) [ 32.199798][ T772] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 32.199804][ T772] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn [ 32.199808][ T772] ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn [ 32.199815][ T772] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn [ 32.199818][ T772] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 32.199822][ T772] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 32.199825][ T772] ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3)) [ 32.199835][ T772] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) drivers/net/ovpn/netlink.c:67 (discriminator 2)) ovpn [ 32.199840][ T772] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn [ 32.199846][ T772] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114) [ 32.199849][ T772] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2)) [ 32.199852][ T772] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 32.199857][ T772] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.199860][ T772] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 32.199864][ T772] ? write_profile (profile.c:?) [ 32.199865][ T772] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 32.199869][ T772] genl_family_rcv_msg (net/netlink/genetlink.c:1194) [ 32.199872][ T772] ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079) [ 32.199875][ T772] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 32.199877][ T772] ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn [ 32.199880][ T772] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 32.199883][ T772] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn [ 32.199886][ T772] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.199891][ T772] genl_rcv_msg (net/netlink/genetlink.c:1209) [ 32.199895][ T772] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 32.199897][ T772] ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2)) [ 32.199901][ T772] ? netlink_ack (./include/linux/skbuff.h:2718) [ 32.199908][ T772] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 32.199910][ T772] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 32.199914][ T772] genl_rcv (net/netlink/genetlink.c:1218) [ 32.199916][ T772] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 32.199921][ T772] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 32.199924][ T772] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.199928][ T772] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 32.199932][ T772] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 32.199936][ T772] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 32.199942][ T772] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 32.199945][ T772] ? copy_msghdr_from_user (net/socket.c:2650) [ 32.199948][ T772] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 32.199950][ T772] ? move_addr_to_kernel (net/socket.c:258) [ 32.199957][ T772] ___sys_sendmsg (net/socket.c:2767) [ 32.199960][ T772] ? copy_msghdr_from_user (net/socket.c:2619) [ 32.199962][ T772] ? kfree (mm/slub.c:6778 (discriminator 1)) [ 32.199978][ T772] __sys_sendmsg (net/socket.c:2799) [ 32.199981][ T772] ? __sys_sendmsg_sock (net/socket.c:2780) [ 32.199987][ T772] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.199990][ T772] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.199993][ T772] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 32.199996][ T772] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 32.199999][ T772] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 32.200002][ T772] RIP: 0033:0x7f281599254e [ 32.200004][ T772] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 32.200006][ T772] RSP: 002b:00007ffff82783f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 32.200008][ T772] RAX: ffffffffffffffda RBX: 000000002a2fb130 RCX: 00007f281599254e [ 32.200010][ T772] RDX: 0000000000000000 RSI: 00007ffff8278490 RDI: 0000000000000005 [ 32.200011][ T772] RBP: 00007ffff8278400 R08: 0000000000000000 R09: 0000000000000000 [ 32.200012][ T772] R10: 0000000000000000 R11: 0000000000000202 R12: 000000002a2fb200 [ 32.200013][ T772] R13: 00007ffff8278490 R14: 000000002a2fc260 R15: 000000000040bda8 | [ 35.264105][ T824] softirqs last disabled at (33974): ovpn_peer_del (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1214) ovpn | [ 35.264109][ T824] Preemption disabled at: | [ 35.264109][ T824] 0x0 | [ 35.264120][ T824] Tainted: [W]=WARN [ 35.264121][ T824] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 35.264122][ T824] Call Trace: [ 35.264124][ T824] [ 35.264125][ T824] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 35.264132][ T824] __might_resched.cold (kernel/sched/core.c:9234) [ 35.264136][ T824] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 35.264140][ T824] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 35.264145][ T824] __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)) [ 35.264147][ T824] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 35.264153][ T824] ? 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) [ 35.264156][ T824] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 35.264159][ T824] put_chars (drivers/char/virtio_console.c:1176) [ 35.264162][ T824] ? __send_to_port (drivers/char/virtio_console.c:654) [ 35.264165][ T824] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 35.264169][ T824] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 35.264171][ T824] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 35.264175][ T824] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 35.264178][ T824] ? mark_usage (kernel/locking/lockdep.c:4690) [ 35.264180][ T824] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.264181][ T824] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.264186][ T824] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 35.264187][ T824] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 35.264191][ T824] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.264195][ T824] console_emit_next_record (kernel/printk/printk.c:3183) [ 35.264199][ T824] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 35.264201][ T824] ? 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)) [ 35.264204][ T824] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.264207][ T824] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.264216][ T824] console_flush_one_record (kernel/printk/printk.c:3268) [ 35.264221][ T824] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 35.264223][ T824] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.264228][ T824] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 35.264231][ T824] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 35.264232][ T824] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.264235][ T824] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 35.264239][ T824] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 35.264240][ T824] ? vprintk_emit (kernel/printk/printk.c:2478) [ 35.264244][ T824] vprintk_emit (kernel/printk/printk.c:2479) [ 35.264248][ T824] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 35.264250][ T824] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 35.264253][ T824] ? __kernel_text_address (kernel/extable.c:79) [ 35.264255][ T824] ? write_profile (profile.c:?) [ 35.264258][ T824] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 35.264265][ T824] _printk (kernel/printk/printk.c:2504) [ 35.264270][ T824] ? snapshot_read.cold (user.c:?) [ 35.264274][ T824] ? mark_usage (kernel/locking/lockdep.c:4690) [ 35.264276][ T824] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 35.264279][ T824] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 35.264282][ T824] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 35.264285][ T824] ? netdev_notice (net/core/dev.c:13194) [ 35.264286][ T824] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 35.264289][ T824] ? mark_usage (kernel/locking/lockdep.c:4690) [ 35.264291][ T824] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.264297][ T824] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 35.264302][ T824] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 35.264306][ T824] ? ovpn_peer_get_by_id (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) drivers/net/ovpn/peer.c:680 (discriminator 2)) ovpn [ 35.264312][ T824] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 35.264316][ T824] ? 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) [ 35.264318][ T824] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 35.264325][ T824] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn [ 35.264329][ T824] ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn [ 35.264335][ T824] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn [ 35.264338][ T824] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 35.264342][ T824] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 35.264345][ T824] ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3)) [ 35.264355][ T824] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) drivers/net/ovpn/netlink.c:67 (discriminator 2)) ovpn [ 35.264360][ T824] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn [ 35.264366][ T824] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114) [ 35.264369][ T824] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2)) [ 35.264371][ T824] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 35.264377][ T824] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.264379][ T824] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 35.264383][ T824] ? write_profile (profile.c:?) [ 35.264384][ T824] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 35.264388][ T824] genl_family_rcv_msg (net/netlink/genetlink.c:1194) [ 35.264392][ T824] ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079) [ 35.264394][ T824] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 35.264396][ T824] ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn [ 35.264399][ T824] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 35.264401][ T824] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn [ 35.264404][ T824] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.264410][ T824] genl_rcv_msg (net/netlink/genetlink.c:1209) [ 35.264413][ T824] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 35.264415][ T824] ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2)) [ 35.264419][ T824] ? netlink_ack (./include/linux/skbuff.h:2718) [ 35.264426][ T824] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 35.264428][ T824] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 35.264432][ T824] genl_rcv (net/netlink/genetlink.c:1218) [ 35.264434][ T824] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 35.264439][ T824] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 35.264441][ T824] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.264446][ T824] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 35.264450][ T824] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 35.264454][ T824] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 35.264459][ T824] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 35.264463][ T824] ? copy_msghdr_from_user (net/socket.c:2650) [ 35.264465][ T824] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 35.264467][ T824] ? move_addr_to_kernel (net/socket.c:258) [ 35.264475][ T824] ___sys_sendmsg (net/socket.c:2767) [ 35.264478][ T824] ? copy_msghdr_from_user (net/socket.c:2619) [ 35.264479][ T824] ? kfree (mm/slub.c:6778 (discriminator 1)) [ 35.264495][ T824] __sys_sendmsg (net/socket.c:2799) [ 35.264498][ T824] ? __sys_sendmsg_sock (net/socket.c:2780) [ 35.264504][ T824] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.264506][ T824] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.264510][ T824] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 35.264513][ T824] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 35.264515][ T824] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 35.264518][ T824] RIP: 0033:0x7fc4b240654e [ 35.264520][ T824] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 35.264522][ T824] RSP: 002b:00007ffd842f0be0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 35.264524][ T824] RAX: ffffffffffffffda RBX: 0000000020b6e130 RCX: 00007fc4b240654e [ 35.264526][ T824] RDX: 0000000000000000 RSI: 00007ffd842f0c80 RDI: 0000000000000005 [ 35.264527][ T824] RBP: 00007ffd842f0bf0 R08: 0000000000000000 R09: 0000000000000000 [ 35.264528][ T824] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020b6e200 [ 35.264528][ T824] R13: 00007ffd842f0c80 R14: 0000000020b6f260 R15: 000000000040bda8 | [ 40.458023][ T10] softirqs last disabled at (27800): ovpn_peer_keepalive_work (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1449) ovpn | [ 40.458026][ T10] Preemption disabled at: | [ 40.458027][ T10] 0x0 | [ 40.458038][ T10] Tainted: [W]=WARN [ 40.458038][ T10] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 40.458041][ T10] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 40.458045][ T10] Call Trace: [ 40.458047][ T10] [ 40.458048][ T10] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 40.458055][ T10] __might_resched.cold (kernel/sched/core.c:9234) [ 40.458060][ T10] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 40.458064][ T10] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 40.458069][ T10] __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)) [ 40.458072][ T10] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 40.458078][ T10] ? 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) [ 40.458081][ T10] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 40.458085][ T10] put_chars (drivers/char/virtio_console.c:1176) [ 40.458088][ T10] ? __send_to_port (drivers/char/virtio_console.c:654) [ 40.458092][ T10] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 40.458096][ T10] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 40.458100][ T10] ? mark_usage (kernel/locking/lockdep.c:4690) [ 40.458102][ T10] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 40.458104][ T10] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 40.458108][ T10] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 40.458110][ T10] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 40.458113][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.458117][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.458121][ T10] console_emit_next_record (kernel/printk/printk.c:3183) [ 40.458125][ T10] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 40.458127][ T10] ? 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)) [ 40.458131][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.458133][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.458137][ T10] console_flush_one_record (kernel/printk/printk.c:3268) [ 40.458142][ T10] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 40.458144][ T10] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 40.458149][ T10] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 40.458152][ T10] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 40.458154][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.458156][ T10] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 40.458160][ T10] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 40.458162][ T10] ? vprintk_emit (kernel/printk/printk.c:2478) [ 40.458165][ T10] vprintk_emit (kernel/printk/printk.c:2479) [ 40.458169][ T10] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 40.458172][ T10] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 40.458174][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.458178][ T10] _printk (kernel/printk/printk.c:2504) [ 40.458182][ T10] ? snapshot_read.cold (user.c:?) [ 40.458185][ T10] ? __add_to_free_list (mm/page_alloc.c:447 mm/page_alloc.c:801) [ 40.458188][ T10] ? __mod_zone_page_state (mm/vmstat.c:371) [ 40.458191][ T10] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 40.458194][ T10] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 40.458198][ T10] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 40.458201][ T10] ? netdev_notice (net/core/dev.c:13194) [ 40.458202][ T10] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 40.458208][ T10] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 40.458211][ T10] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 40.458214][ T10] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 40.458221][ T10] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 40.458228][ T10] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 40.458232][ T10] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 40.458235][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 40.458237][ T10] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 40.458242][ T10] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn [ 40.458246][ T10] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn [ 40.458258][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 40.458267][ T10] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1396 drivers/net/ovpn/peer.c:1452) ovpn [ 40.458272][ T10] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 40.458275][ T10] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn [ 40.458278][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.458281][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.458283][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.458287][ T10] process_one_work (kernel/workqueue.c:3387) [ 40.458294][ T10] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 40.458296][ T10] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 40.458304][ T10] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 40.458309][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 40.458311][ T10] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 40.458314][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 40.458317][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 40.458319][ T10] kthread (kernel/kthread.c:436) [ 40.458322][ T10] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 40.458325][ T10] ? kthread_affine_preferred (kernel/kthread.c:857) [ 40.458328][ T10] ret_from_fork (arch/x86/kernel/process.c:158) [ 40.458332][ T10] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 40.458335][ T10] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 40.458338][ T10] ? kthread_affine_preferred (kernel/kthread.c:857) [ 40.458341][ T10] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 41.545759][ T10] softirqs last disabled at (28424): ovpn_peer_keepalive_work (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1449) ovpn | [ 41.545763][ T10] Preemption disabled at: | [ 41.545764][ T10] 0x0 | [ 41.545775][ T10] Tainted: [W]=WARN [ 41.545776][ T10] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 41.545778][ T10] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 41.545783][ T10] Call Trace: [ 41.545784][ T10] [ 41.545786][ T10] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 41.545793][ T10] __might_resched.cold (kernel/sched/core.c:9234) [ 41.545797][ T10] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 41.545802][ T10] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 41.545807][ T10] __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)) [ 41.545809][ T10] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 41.545816][ T10] ? 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) [ 41.545818][ T10] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 41.545822][ T10] put_chars (drivers/char/virtio_console.c:1176) [ 41.545824][ T10] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 41.545827][ T10] ? __send_to_port (drivers/char/virtio_console.c:654) [ 41.545830][ T10] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 41.545834][ T10] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 41.545837][ T10] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 41.545840][ T10] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 41.545844][ T10] ? mark_usage (kernel/locking/lockdep.c:4690) [ 41.545846][ T10] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.545847][ T10] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.545851][ T10] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 41.545854][ T10] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 41.545857][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.545860][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.545864][ T10] console_emit_next_record (kernel/printk/printk.c:3183) [ 41.545868][ T10] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 41.545870][ T10] ? 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)) [ 41.545873][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.545875][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.545879][ T10] console_flush_one_record (kernel/printk/printk.c:3268) [ 41.545884][ T10] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 41.545886][ T10] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.545891][ T10] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 41.545894][ T10] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 41.545896][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.545898][ T10] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 41.545902][ T10] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 41.545903][ T10] ? vprintk_emit (kernel/printk/printk.c:2478) [ 41.545907][ T10] vprintk_emit (kernel/printk/printk.c:2479) [ 41.545910][ T10] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 41.545914][ T10] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 41.545915][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.545919][ T10] _printk (kernel/printk/printk.c:2504) [ 41.545923][ T10] ? snapshot_read.cold (user.c:?) [ 41.545926][ T10] ? __add_to_free_list (mm/page_alloc.c:447 mm/page_alloc.c:801) [ 41.545929][ T10] ? __mod_zone_page_state (mm/vmstat.c:371) [ 41.545932][ T10] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 41.545936][ T10] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 41.545939][ T10] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 41.545942][ T10] ? netdev_notice (net/core/dev.c:13194) [ 41.545943][ T10] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 41.545947][ T10] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.545950][ T10] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 41.545952][ T10] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 41.545956][ T10] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 41.545962][ T10] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 41.545969][ T10] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 41.545973][ T10] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 41.545976][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 41.545978][ T10] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 41.545983][ T10] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn [ 41.545987][ T10] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn [ 41.545990][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 41.545995][ T10] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1396 drivers/net/ovpn/peer.c:1452) ovpn [ 41.546000][ T10] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 41.546003][ T10] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn [ 41.546006][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.546008][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.546010][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.546014][ T10] process_one_work (kernel/workqueue.c:3387) [ 41.546021][ T10] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 41.546024][ T10] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 41.546032][ T10] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 41.546036][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 41.546038][ T10] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 41.546042][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 41.546045][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 41.546047][ T10] kthread (kernel/kthread.c:436) [ 41.546049][ T10] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 41.546052][ T10] ? kthread_affine_preferred (kernel/kthread.c:857) [ 41.546055][ T10] ret_from_fork (arch/x86/kernel/process.c:158) [ 41.546059][ T10] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 41.546062][ T10] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 41.546065][ T10] ? kthread_affine_preferred (kernel/kthread.c:857) [ 41.546068][ T10] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 46.666341][ T10] softirqs last disabled at (29956): ovpn_peer_keepalive_work (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1449) ovpn | [ 46.666345][ T10] Preemption disabled at: | [ 46.666345][ T10] 0x0 | [ 46.666356][ T10] Tainted: [W]=WARN [ 46.666357][ T10] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 46.666359][ T10] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 46.666364][ T10] Call Trace: [ 46.666365][ T10] [ 46.666367][ T10] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 46.666374][ T10] __might_resched.cold (kernel/sched/core.c:9234) [ 46.666379][ T10] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 46.666383][ T10] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 46.666388][ T10] __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)) [ 46.666390][ T10] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 46.666396][ T10] ? 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) [ 46.666399][ T10] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 46.666403][ T10] put_chars (drivers/char/virtio_console.c:1176) [ 46.666405][ T10] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 46.666407][ T10] ? __send_to_port (drivers/char/virtio_console.c:654) [ 46.666411][ T10] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 46.666415][ T10] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 46.666417][ T10] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 46.666421][ T10] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 46.666425][ T10] ? mark_usage (kernel/locking/lockdep.c:4690) [ 46.666427][ T10] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.666428][ T10] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.666432][ T10] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 46.666435][ T10] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 46.666438][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.666441][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.666445][ T10] console_emit_next_record (kernel/printk/printk.c:3183) [ 46.666449][ T10] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 46.666451][ T10] ? 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)) [ 46.666454][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.666456][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.666460][ T10] console_flush_one_record (kernel/printk/printk.c:3268) [ 46.666465][ T10] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 46.666467][ T10] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.666472][ T10] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 46.666475][ T10] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 46.666477][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.666479][ T10] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 46.666483][ T10] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 46.666484][ T10] ? vprintk_emit (kernel/printk/printk.c:2478) [ 46.666488][ T10] vprintk_emit (kernel/printk/printk.c:2479) [ 46.666491][ T10] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 46.666495][ T10] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 46.666499][ T10] _printk (kernel/printk/printk.c:2504) [ 46.666503][ T10] ? snapshot_read.cold (user.c:?) [ 46.666504][ T10] ? try_to_wake_up (./include/linux/preempt.h:500 (discriminator 1) kernel/sched/core.c:4263 (discriminator 1)) [ 46.666507][ T10] ? select_fallback_rq (kernel/sched/sched.h:1424) [ 46.666510][ T10] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 46.666513][ T10] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 46.666517][ T10] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 46.666520][ T10] ? netdev_notice (net/core/dev.c:13194) [ 46.666525][ T10] ? __queue_work (./include/linux/rcupdate.h:882 kernel/workqueue.c:2459) [ 46.666528][ T10] ? kthread (kernel/kthread.c:436) [ 46.666533][ T10] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 46.666538][ T10] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 46.666541][ T10] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 46.666544][ T10] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 46.666546][ T10] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 46.666551][ T10] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 46.666555][ T10] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 46.666558][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 46.666560][ T10] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 46.666565][ T10] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn [ 46.666569][ T10] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn [ 46.666572][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 46.666577][ T10] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1423 drivers/net/ovpn/peer.c:1456) ovpn [ 46.666582][ T10] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 46.666584][ T10] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn [ 46.666588][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.666590][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.666592][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.666595][ T10] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 46.666597][ T10] process_one_work (kernel/workqueue.c:3387) [ 46.666603][ T10] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 46.666606][ T10] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 46.666617][ T10] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 46.666621][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 46.666624][ T10] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 46.666626][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 46.666629][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 46.666631][ T10] kthread (kernel/kthread.c:436) [ 46.666633][ T10] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 46.666636][ T10] ? kthread_affine_preferred (kernel/kthread.c:857) [ 46.666638][ T10] ret_from_fork (arch/x86/kernel/process.c:158) [ 46.666642][ T10] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 46.666646][ T10] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 46.666649][ T10] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print ovpn_peer_del:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print ovpn_peer_keepalive_work:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print