====================================== | [ 14.412108][ T302] softirqs last disabled at (28555): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 14.412110][ T302] Preemption disabled at: | [ 14.412111][ T302] 0x0 | [ 14.412121][ T302] Tainted: [W]=WARN [ 14.412122][ T302] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.412123][ T302] Call Trace: [ 14.412125][ T302] [ 14.412126][ T302] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.412133][ T302] __might_resched.cold (kernel/sched/core.c:9234) [ 14.412138][ T302] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.412142][ T302] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.412146][ T302] __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)) [ 14.412149][ T302] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.412155][ T302] ? 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) [ 14.412158][ T302] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.412161][ T302] put_chars (drivers/char/virtio_console.c:1176) [ 14.412164][ T302] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.412166][ T302] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.412170][ T302] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.412175][ T302] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.412182][ T302] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.412184][ T302] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.412187][ T302] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.412190][ T302] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.412194][ T302] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.412196][ T302] ? 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)) [ 14.412199][ T302] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.412201][ T302] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.412205][ T302] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.412209][ T302] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.412211][ T302] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.412216][ T302] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.412219][ T302] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.412220][ T302] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.412223][ T302] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.412226][ T302] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.412228][ T302] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.412231][ T302] vprintk_emit (kernel/printk/printk.c:2479) [ 14.412235][ T302] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.412238][ T302] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.412242][ T302] _printk (kernel/printk/printk.c:2504) [ 14.412245][ T302] ? snapshot_read.cold (user.c:?) [ 14.412248][ T302] ? 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) [ 14.412250][ T302] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 14.412254][ T302] ? 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) [ 14.412257][ T302] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 14.412261][ T302] ? exit_notify (kernel/exit.c:780) [ 14.412262][ T302] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.412265][ T302] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.412269][ T302] do_group_exit (kernel/exit.c:1151) [ 14.412271][ T302] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 14.412273][ T302] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 14.412276][ T302] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.412280][ T302] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.412282][ T302] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.412285][ T302] RIP: 0033:0x7f02997651b8 [ 14.412287][ T302] Code: Unable to access opcode bytes at 0x7f029976518e. Code starting with the faulting instruction =========================================== [ 14.412288][ T302] RSP: 002b:00007ffd0cb19e78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 14.412290][ T302] RAX: ffffffffffffffda RBX: 00007f0299895f88 RCX: 00007f02997651b8 [ 14.412291][ T302] RDX: 00007f02994affc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 14.412292][ T302] RBP: 00007ffd0cb19ed0 R08: 0000000000000000 R09: 0000000000000000 [ 14.412293][ T302] R10: 00007ffd0cb19c90 R11: 0000000000000246 R12: 0000000000000001 [ 14.412294][ T302] R13: 0000000000000000 R14: 00007f0299894680 R15: 00007f0299895fa0 | [ 28.339006][ T741] softirqs last disabled at (7689051): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 28.339008][ T741] Preemption disabled at: | [ 28.339009][ T741] 0x0 | [ 28.339019][ T741] Tainted: [W]=WARN [ 28.339020][ T741] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 28.339022][ T741] Call Trace: [ 28.339023][ T741] [ 28.339025][ T741] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 28.339031][ T741] __might_resched.cold (kernel/sched/core.c:9234) [ 28.339036][ T741] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 28.339040][ T741] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 28.339045][ T741] __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)) [ 28.339047][ T741] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 28.339053][ T741] ? 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) [ 28.339056][ T741] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 28.339059][ T741] put_chars (drivers/char/virtio_console.c:1176) [ 28.339061][ T741] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 28.339063][ T741] ? __send_to_port (drivers/char/virtio_console.c:654) [ 28.339066][ T741] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 28.339071][ T741] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 28.339073][ T741] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 28.339076][ T741] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 28.339080][ T741] ? mark_usage (kernel/locking/lockdep.c:4690) [ 28.339082][ T741] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 28.339083][ T741] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 28.339087][ T741] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 28.339089][ T741] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 28.339092][ T741] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.339095][ T741] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.339098][ T741] console_emit_next_record (kernel/printk/printk.c:3183) [ 28.339102][ T741] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 28.339104][ T741] ? 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)) [ 28.339107][ T741] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.339109][ T741] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.339113][ T741] console_flush_one_record (kernel/printk/printk.c:3268) [ 28.339117][ T741] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 28.339119][ T741] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 28.339124][ T741] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 28.339126][ T741] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 28.339128][ T741] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.339131][ T741] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 28.339134][ T741] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 28.339136][ T741] ? vprintk_emit (kernel/printk/printk.c:2478) [ 28.339139][ T741] vprintk_emit (kernel/printk/printk.c:2479) [ 28.339143][ T741] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 28.339146][ T741] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 28.339149][ T741] _printk (kernel/printk/printk.c:2504) [ 28.339153][ T741] ? snapshot_read.cold (user.c:?) [ 28.339156][ T741] ? 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) [ 28.339159][ T741] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 28.339163][ T741] ? 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) [ 28.339166][ T741] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 28.339169][ T741] ? exit_notify (kernel/exit.c:780) [ 28.339174][ T741] __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116) [ 28.339176][ T741] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61) [ 28.339178][ T741] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 28.339182][ T741] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 28.339185][ T741] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 28.339187][ T741] RIP: 0033:0x7f3275d8fc49 [ 28.339189][ T741] Code: Unable to access opcode bytes at 0x7f3275d8fc1f. Code starting with the faulting instruction =========================================== [ 28.339190][ T741] RSP: 002b:00007f327554ee60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 28.339193][ T741] RAX: ffffffffffffffda RBX: 00007f327554f6c0 RCX: 00007f3275d8fc49 [ 28.339194][ T741] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 28.339195][ T741] RBP: 00007f327554ef70 R08: 0000000000000001 R09: 00007f327554f6c0 [ 28.339196][ T741] R10: 0000000000000008 R11: 0000000000000246 R12: 00007f3274d4f000 [ 28.339197][ T741] R13: 00007ffd47d444d0 R14: 0000000000000002 R15: 00007ffd47d445d7 | [ 30.033321][ T835] | [ 30.033322][ T835] | [ 30.033322][ T835] stack backtrace: | [ 30.033328][ T835] Tainted: [W]=WARN [ 30.033329][ T835] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 30.033331][ T835] Call Trace: [ 30.033332][ T835] [ 30.033333][ T835] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 30.033337][ T835] print_bad_irq_dependency (kernel/locking/lockdep.c:2632) [ 30.033339][ T835] check_irq_usage (kernel/locking/lockdep.c:2873 (discriminator 1)) [ 30.033341][ T835] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 30.033345][ T835] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 30.033348][ T835] ? check_path.constprop.0 (kernel/locking/lockdep.c:1864 kernel/locking/lockdep.c:2147) [ 30.033350][ T835] ? check_prev_add (kernel/locking/lockdep.c:3185) [ 30.033352][ T835] check_prev_add (kernel/locking/lockdep.c:3185) [ 30.033354][ T835] validate_chain (kernel/locking/lockdep.c:3300 kernel/locking/lockdep.c:3924) [ 30.033356][ T835] __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.033358][ T835] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 30.033360][ T835] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 30.033362][ T835] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.033363][ T835] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.033365][ T835] console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 30.033367][ T835] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 30.033369][ T835] console_emit_next_record (kernel/printk/printk.c:3177) [ 30.033371][ T835] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 30.033372][ T835] ? 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)) [ 30.033374][ T835] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.033376][ T835] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.033378][ T835] console_flush_one_record (kernel/printk/printk.c:3268) [ 30.033380][ T835] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 30.033382][ T835] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.033384][ T835] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 30.033386][ T835] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 30.033388][ T835] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.033389][ T835] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 30.033391][ T835] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 30.033393][ T835] ? vprintk_emit (kernel/printk/printk.c:2478) [ 30.033395][ T835] vprintk_emit (kernel/printk/printk.c:2479) [ 30.033397][ T835] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 30.033399][ T835] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 30.033400][ T835] ? __kernel_text_address (kernel/extable.c:79) [ 30.033402][ T835] ? write_profile (profile.c:?) [ 30.033404][ T835] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 30.033407][ T835] _printk (kernel/printk/printk.c:2504) [ 30.033408][ T835] ? snapshot_read.cold (user.c:?) [ 30.033411][ T835] ? mark_usage (kernel/locking/lockdep.c:4690) [ 30.033412][ T835] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 30.033413][ T835] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 30.033415][ T835] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 30.033416][ T835] ? netdev_notice (net/core/dev.c:13194) [ 30.033417][ T835] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 30.033419][ T835] ? mark_usage (kernel/locking/lockdep.c:4690) [ 30.033421][ T835] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.033423][ T835] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 30.033426][ T835] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 30.033428][ T835] ? 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 [ 30.033431][ T835] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 30.033434][ T835] ? 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) [ 30.033436][ T835] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 30.033439][ T835] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn [ 30.033442][ T835] ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn [ 30.033445][ T835] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn [ 30.033448][ T835] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 30.033449][ T835] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 30.033452][ T835] ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3)) [ 30.033457][ T835] ? 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 [ 30.033463][ T835] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn [ 30.033466][ T835] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114) [ 30.033468][ T835] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2)) [ 30.033470][ T835] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 30.033472][ T835] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.033474][ T835] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 30.033478][ T835] ? write_profile (profile.c:?) [ 30.033479][ T835] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 30.033481][ T835] genl_family_rcv_msg (net/netlink/genetlink.c:1194) [ 30.033483][ T835] ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079) [ 30.033485][ T835] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 30.033486][ T835] ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn [ 30.033488][ T835] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 30.033491][ T835] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn [ 30.033493][ T835] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.033495][ T835] genl_rcv_msg (net/netlink/genetlink.c:1209) [ 30.033497][ T835] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 30.033499][ T835] ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2)) [ 30.033501][ T835] ? netlink_ack (./include/linux/skbuff.h:2718) [ 30.033504][ T835] ? 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)) [ 30.033506][ T835] ? 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)) [ 30.033508][ T835] genl_rcv (net/netlink/genetlink.c:1218) [ 30.033510][ T835] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 30.033512][ T835] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 30.033514][ T835] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.033516][ T835] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 30.033518][ T835] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 30.033520][ T835] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 30.033524][ T835] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 30.033525][ T835] ? copy_msghdr_from_user (net/socket.c:2650) [ 30.033527][ T835] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 30.033529][ T835] ? move_addr_to_kernel (net/socket.c:258) [ 30.033532][ T835] ___sys_sendmsg (net/socket.c:2767) [ 30.033534][ T835] ? copy_msghdr_from_user (net/socket.c:2619) [ 30.033535][ T835] ? kfree (mm/slub.c:6778 (discriminator 1)) [ 30.033540][ T835] __sys_sendmsg (net/socket.c:2799) [ 30.033542][ T835] ? __sys_sendmsg_sock (net/socket.c:2780) [ 30.033545][ T835] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.033546][ T835] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.033548][ T835] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 30.033550][ T835] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 30.033552][ T835] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 30.033553][ T835] RIP: 0033:0x7f0cca7e854e [ 30.033556][ T835] 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 [ 30.033557][ T835] RSP: 002b:00007ffff6f23510 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 30.033560][ T835] RAX: ffffffffffffffda RBX: 0000000036c3c130 RCX: 00007f0cca7e854e [ 30.033561][ T835] RDX: 0000000000000000 RSI: 00007ffff6f235b0 RDI: 0000000000000005 [ 30.033562][ T835] RBP: 00007ffff6f23520 R08: 0000000000000000 R09: 0000000000000000 [ 30.033563][ T835] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000036c3c200 [ 30.033564][ T835] R13: 00007ffff6f235b0 R14: 0000000036c3d260 R15: 000000000040bda8 | [ 30.033581][ T835] softirqs last disabled at (37038): ovpn_peer_del (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1214) ovpn | [ 30.033584][ T835] Preemption disabled at: | [ 30.033585][ T835] 0x0 | [ 30.033589][ T835] Tainted: [W]=WARN [ 30.033589][ T835] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 30.033590][ T835] Call Trace: [ 30.033591][ T835] [ 30.033591][ T835] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 30.033593][ T835] __might_resched.cold (kernel/sched/core.c:9234) [ 30.033596][ T835] ? check_irq_usage (kernel/locking/lockdep.c:2873 (discriminator 1)) [ 30.033598][ T835] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 30.033600][ T835] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.033603][ T835] __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)) [ 30.033604][ T835] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 30.033606][ T835] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 30.033608][ T835] ? 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) [ 30.033609][ T835] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 30.033611][ T835] put_chars (drivers/char/virtio_console.c:1176) [ 30.033613][ T835] ? __send_to_port (drivers/char/virtio_console.c:654) [ 30.033615][ T835] ? check_prev_add (kernel/locking/lockdep.c:3185) [ 30.033617][ T835] ? validate_chain (kernel/locking/lockdep.c:3300 kernel/locking/lockdep.c:3924) [ 30.033618][ T835] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 30.033620][ T835] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.033622][ T835] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 30.033624][ T835] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.033626][ T835] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.033628][ T835] console_emit_next_record (kernel/printk/printk.c:3183) [ 30.033630][ T835] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 30.033632][ T835] ? 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)) [ 30.033634][ T835] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.033635][ T835] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.033637][ T835] console_flush_one_record (kernel/printk/printk.c:3268) [ 30.033640][ T835] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 30.033641][ T835] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.033643][ T835] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 30.033645][ T835] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 30.033647][ T835] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.033649][ T835] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 30.033651][ T835] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 30.033652][ T835] ? vprintk_emit (kernel/printk/printk.c:2478) [ 30.033654][ T835] vprintk_emit (kernel/printk/printk.c:2479) [ 30.033656][ T835] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 30.033658][ T835] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 30.033659][ T835] ? __kernel_text_address (kernel/extable.c:79) [ 30.033660][ T835] ? write_profile (profile.c:?) [ 30.033661][ T835] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 30.033663][ T835] _printk (kernel/printk/printk.c:2504) [ 30.033665][ T835] ? snapshot_read.cold (user.c:?) [ 30.033667][ T835] ? mark_usage (kernel/locking/lockdep.c:4690) [ 30.033668][ T835] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 30.033669][ T835] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 30.033671][ T835] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 30.033672][ T835] ? netdev_notice (net/core/dev.c:13194) [ 30.033673][ T835] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 30.033675][ T835] ? mark_usage (kernel/locking/lockdep.c:4690) [ 30.033677][ T835] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.033679][ T835] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 30.033682][ T835] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 30.033684][ T835] ? 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 [ 30.033687][ T835] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 30.033690][ T835] ? 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) [ 30.033691][ T835] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 30.033695][ T835] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn [ 30.033697][ T835] ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn [ 30.033700][ T835] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn [ 30.033703][ T835] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 30.033704][ T835] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 30.033706][ T835] ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3)) [ 30.033710][ T835] ? 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 [ 30.033712][ T835] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn [ 30.033715][ T835] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114) [ 30.033717][ T835] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2)) [ 30.033719][ T835] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 30.033722][ T835] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.033723][ T835] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 30.033725][ T835] ? write_profile (profile.c:?) [ 30.033726][ T835] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 30.033732][ T835] genl_family_rcv_msg (net/netlink/genetlink.c:1194) [ 30.033734][ T835] ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079) [ 30.033736][ T835] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 30.033737][ T835] ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn [ 30.033739][ T835] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 30.033742][ T835] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn [ 30.033744][ T835] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.033746][ T835] genl_rcv_msg (net/netlink/genetlink.c:1209) [ 30.033749][ T835] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 30.033750][ T835] ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2)) [ 30.033752][ T835] ? netlink_ack (./include/linux/skbuff.h:2718) [ 30.033755][ T835] ? 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)) [ 30.033757][ T835] ? 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)) [ 30.033759][ T835] genl_rcv (net/netlink/genetlink.c:1218) [ 30.033761][ T835] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 30.033763][ T835] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 30.033765][ T835] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.033767][ T835] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 30.033769][ T835] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 30.033771][ T835] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 30.033773][ T835] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 30.033775][ T835] ? copy_msghdr_from_user (net/socket.c:2650) [ 30.033776][ T835] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 30.033778][ T835] ? move_addr_to_kernel (net/socket.c:258) [ 30.033781][ T835] ___sys_sendmsg (net/socket.c:2767) [ 30.033783][ T835] ? copy_msghdr_from_user (net/socket.c:2619) [ 30.033784][ T835] ? kfree (mm/slub.c:6778 (discriminator 1)) [ 30.033789][ T835] __sys_sendmsg (net/socket.c:2799) [ 30.033791][ T835] ? __sys_sendmsg_sock (net/socket.c:2780) [ 30.033793][ T835] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.033795][ T835] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.033797][ T835] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 30.033799][ T835] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 30.033800][ T835] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 30.033801][ T835] RIP: 0033:0x7f0cca7e854e [ 30.033803][ T835] 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 [ 30.033804][ T835] RSP: 002b:00007ffff6f23510 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 30.033805][ T835] RAX: ffffffffffffffda RBX: 0000000036c3c130 RCX: 00007f0cca7e854e [ 30.033806][ T835] RDX: 0000000000000000 RSI: 00007ffff6f235b0 RDI: 0000000000000005 [ 30.033806][ T835] RBP: 00007ffff6f23520 R08: 0000000000000000 R09: 0000000000000000 [ 30.033807][ T835] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000036c3c200 [ 30.033808][ T835] R13: 00007ffff6f235b0 R14: 0000000036c3d260 R15: 000000000040bda8 | [ 32.704044][ T887] softirqs last disabled at (0): 0x0 | [ 32.704046][ T887] Preemption disabled at: | [ 32.704047][ T887] 0x0 | [ 32.704055][ T887] Tainted: [W]=WARN [ 32.704057][ T887] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.704058][ T887] Call Trace: [ 32.704060][ T887] [ 32.704061][ T887] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 32.704066][ T887] __might_resched.cold (kernel/sched/core.c:9234) [ 32.704070][ T887] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 32.704074][ T887] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.704078][ T887] __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)) [ 32.704081][ T887] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 32.704084][ T887] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.704088][ T887] ? 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) [ 32.704090][ T887] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.704092][ T887] put_chars (drivers/char/virtio_console.c:1176) [ 32.704094][ T887] ? __send_to_port (drivers/char/virtio_console.c:654) [ 32.704096][ T887] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 32.704099][ T887] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 32.704103][ T887] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 32.704105][ T887] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 32.704106][ T887] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.704108][ T887] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.704110][ T887] console_emit_next_record (kernel/printk/printk.c:3183) [ 32.704112][ T887] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 32.704115][ T887] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.704116][ T887] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.704118][ T887] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.704120][ T887] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.704121][ T887] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 32.704123][ T887] console_flush_one_record (kernel/printk/printk.c:3268) [ 32.704125][ T887] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 32.704128][ T887] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 32.704130][ T887] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.704131][ T887] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 32.704133][ T887] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.704134][ T887] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 32.704136][ T887] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 32.704137][ T887] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 32.704139][ T887] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 32.704141][ T887] ? vprintk_emit (kernel/printk/printk.c:2478) [ 32.704143][ T887] vprintk_emit (kernel/printk/printk.c:2479) [ 32.704145][ T887] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 32.704147][ T887] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 32.704149][ T887] ? __kernel_text_address (kernel/extable.c:79) [ 32.704151][ T887] ? write_profile (profile.c:?) [ 32.704153][ T887] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 32.704155][ T887] _printk (kernel/printk/printk.c:2504) [ 32.704158][ T887] ? snapshot_read.cold (user.c:?) [ 32.704160][ T887] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 32.704163][ T887] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 32.704164][ T887] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 32.704166][ T887] ? netdev_notice (net/core/dev.c:13194) [ 32.704168][ T887] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:76 (discriminator 1)) ovpn [ 32.704173][ T887] ? __module_address (kernel/module/main.c:3915) [ 32.704176][ T887] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.704177][ T887] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.704179][ T887] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 32.704181][ T887] ? ovpn_peer_get_by_id (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1346 ./include/linux/refcount.h:181 ./include/linux/refcount.h:317 ./include/linux/refcount.h:335 ./include/linux/kref.h:133 drivers/net/ovpn/peer.h:127 drivers/net/ovpn/peer.c:674) ovpn [ 32.704184][ T887] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 32.704187][ T887] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 32.704190][ T887] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.704191][ T887] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.704193][ T887] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 32.704195][ T887] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 32.704197][ T887] ? 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) [ 32.704199][ T887] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 32.704202][ T887] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn [ 32.704205][ T887] ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn [ 32.704208][ T887] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn [ 32.704211][ T887] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 32.704213][ T887] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 32.704216][ T887] ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3)) [ 32.704221][ T887] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 32.704223][ T887] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn [ 32.704226][ T887] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114) [ 32.704230][ T887] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2)) [ 32.704232][ T887] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.704235][ T887] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.704237][ T887] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 32.704240][ T887] ? write_profile (profile.c:?) [ 32.704241][ T887] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 32.704243][ T887] genl_family_rcv_msg (net/netlink/genetlink.c:1194) [ 32.704245][ T887] ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079) [ 32.704247][ T887] ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn [ 32.704249][ T887] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 32.704251][ T887] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn [ 32.704254][ T887] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 32.704255][ T887] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 32.704258][ T887] genl_rcv_msg (net/netlink/genetlink.c:1209) [ 32.704260][ T887] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 32.704262][ T887] ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2)) [ 32.704264][ T887] ? netlink_ack (./include/linux/skbuff.h:2718) [ 32.704266][ T887] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.704268][ T887] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.704270][ T887] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 32.704272][ T887] genl_rcv (net/netlink/genetlink.c:1218) [ 32.704273][ T887] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 32.704276][ T887] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 32.704277][ T887] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 32.704279][ T887] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 32.704280][ T887] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 32.704283][ T887] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 32.704285][ T887] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 32.704287][ T887] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.704289][ T887] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 32.704291][ T887] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 32.704294][ T887] ? copy_msghdr_from_user (net/socket.c:2650) [ 32.704296][ T887] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 32.704297][ T887] ? move_addr_to_kernel (net/socket.c:258) [ 32.704300][ T887] ___sys_sendmsg (net/socket.c:2767) [ 32.704302][ T887] ? copy_msghdr_from_user (net/socket.c:2619) [ 32.704304][ T887] ? kfree (mm/slub.c:6778 (discriminator 1)) [ 32.704308][ T887] __sys_sendmsg (net/socket.c:2799) [ 32.704310][ T887] ? __sys_sendmsg_sock (net/socket.c:2780) [ 32.704313][ T887] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.704315][ T887] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.704317][ T887] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 32.704320][ T887] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 32.704322][ T887] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 32.704324][ T887] RIP: 0033:0x7f7071a7454e [ 32.704326][ T887] 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 [ 32.704327][ T887] RSP: 002b:00007ffc3e6e1dc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 32.704331][ T887] RAX: ffffffffffffffda RBX: 000000002ffb8130 RCX: 00007f7071a7454e [ 32.704333][ T887] RDX: 0000000000000000 RSI: 00007ffc3e6e1e60 RDI: 0000000000000005 [ 32.704333][ T887] RBP: 00007ffc3e6e1dd0 R08: 0000000000000000 R09: 0000000000000000 [ 32.704334][ T887] R10: 0000000000000000 R11: 0000000000000202 R12: 000000002ffb8200 [ 32.704335][ T887] R13: 00007ffc3e6e1e60 R14: 000000002ffb9260 R15: 000000000040bda8 | [ 38.443524][ T65] softirqs last disabled at (16402): ovpn_peer_keepalive_work (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1449) ovpn | [ 38.443528][ T65] Preemption disabled at: | [ 38.443528][ T65] 0x0 | [ 38.443538][ T65] Tainted: [W]=WARN [ 38.443539][ T65] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 38.443541][ T65] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 38.443547][ T65] Call Trace: [ 38.443549][ T65] [ 38.443551][ T65] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 38.443557][ T65] __might_resched.cold (kernel/sched/core.c:9234) [ 38.443561][ T65] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 38.443565][ T65] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 38.443567][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.443571][ T65] __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)) [ 38.443574][ T65] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 38.443577][ T65] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 38.443581][ T65] ? 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) [ 38.443582][ T65] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 38.443584][ T65] put_chars (drivers/char/virtio_console.c:1176) [ 38.443587][ T65] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 38.443588][ T65] ? __send_to_port (drivers/char/virtio_console.c:654) [ 38.443590][ T65] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 38.443593][ T65] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 38.443597][ T65] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 38.443598][ T65] ? 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) [ 38.443600][ T65] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 38.443602][ T65] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 38.443603][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.443605][ T65] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.443608][ T65] console_emit_next_record (kernel/printk/printk.c:3183) [ 38.443611][ T65] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 38.443613][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.443614][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.443616][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.443618][ T65] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.443619][ T65] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 38.443621][ T65] console_flush_one_record (kernel/printk/printk.c:3268) [ 38.443623][ T65] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 38.443626][ T65] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 38.443628][ T65] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.443629][ T65] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 38.443631][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.443633][ T65] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 38.443634][ T65] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 38.443635][ T65] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 38.443637][ T65] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 38.443639][ T65] ? vprintk_emit (kernel/printk/printk.c:2478) [ 38.443641][ T65] vprintk_emit (kernel/printk/printk.c:2479) [ 38.443644][ T65] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 38.443645][ T65] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25) [ 38.443649][ T65] _printk (kernel/printk/printk.c:2504) [ 38.443652][ T65] ? snapshot_read.cold (user.c:?) [ 38.443654][ T65] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 38.443656][ T65] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 38.443658][ T65] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 38.443660][ T65] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 38.443662][ T65] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 38.443663][ T65] ? netdev_notice (net/core/dev.c:13194) [ 38.443665][ T65] ? kasan_save_track (mm/kasan/common.c:78) [ 38.443668][ T65] ? kmem_cache_free (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6626) [ 38.443669][ T65] ? free_object_list.isra.0 (lib/debugobjects.c:326) [ 38.443673][ T65] ? kthread (kernel/kthread.c:436) [ 38.443676][ T65] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 38.443677][ T65] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 38.443680][ T65] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 38.443682][ T65] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 38.443687][ T65] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 38.443690][ T65] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 38.443693][ T65] ? 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) [ 38.443694][ T65] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 38.443697][ T65] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 38.443698][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.443700][ T65] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 38.443701][ T65] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 38.443703][ T65] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn [ 38.443706][ T65] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn [ 38.443708][ T65] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 38.443711][ T65] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1396 drivers/net/ovpn/peer.c:1452) ovpn [ 38.443714][ T65] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn [ 38.443716][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.443718][ T65] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.443719][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.443721][ T65] process_one_work (kernel/workqueue.c:3387) [ 38.443725][ T65] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 38.443727][ T65] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 38.443729][ T65] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 38.443731][ T65] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 38.443734][ T65] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 38.443735][ T65] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 38.443737][ T65] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 38.443739][ T65] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 38.443740][ T65] kthread (kernel/kthread.c:436) [ 38.443742][ T65] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 38.443743][ T65] ? kthread_affine_preferred (kernel/kthread.c:857) [ 38.443745][ T65] ret_from_fork (arch/x86/kernel/process.c:158) [ 38.443747][ T65] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 38.443748][ T65] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 38.443751][ T65] ? kthread_affine_preferred (kernel/kthread.c:857) [ 38.443752][ T65] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 43.498545][ T65] softirqs last disabled at (16402): ovpn_peer_keepalive_work (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1449) ovpn | [ 43.498549][ T65] Preemption disabled at: | [ 43.498549][ T65] 0x0 | [ 43.498559][ T65] Tainted: [W]=WARN [ 43.498560][ T65] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 43.498562][ T65] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 43.498568][ T65] Call Trace: [ 43.498569][ T65] [ 43.498571][ T65] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 43.498577][ T65] __might_resched.cold (kernel/sched/core.c:9234) [ 43.498580][ T65] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 43.498584][ T65] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 43.498587][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.498591][ T65] __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)) [ 43.498594][ T65] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 43.498597][ T65] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 43.498601][ T65] ? 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) [ 43.498602][ T65] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 43.498604][ T65] put_chars (drivers/char/virtio_console.c:1176) [ 43.498607][ T65] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 43.498608][ T65] ? __send_to_port (drivers/char/virtio_console.c:654) [ 43.498610][ T65] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 43.498613][ T65] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 43.498617][ T65] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 43.498618][ T65] ? 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) [ 43.498620][ T65] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 43.498622][ T65] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 43.498624][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.498625][ T65] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.498628][ T65] console_emit_next_record (kernel/printk/printk.c:3183) [ 43.498630][ T65] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 43.498632][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.498634][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.498636][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.498637][ T65] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.498639][ T65] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 43.498641][ T65] console_flush_one_record (kernel/printk/printk.c:3268) [ 43.498643][ T65] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 43.498645][ T65] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 43.498647][ T65] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.498649][ T65] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 43.498650][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.498652][ T65] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 43.498653][ T65] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 43.498655][ T65] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 43.498657][ T65] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 43.498658][ T65] ? vprintk_emit (kernel/printk/printk.c:2478) [ 43.498660][ T65] vprintk_emit (kernel/printk/printk.c:2479) [ 43.498663][ T65] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 43.498664][ T65] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 43.498666][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.498667][ T65] ? trace_sched_wakeup (./include/trace/events/sched.h:178 (discriminator 22)) [ 43.498670][ T65] _printk (kernel/printk/printk.c:2504) [ 43.498673][ T65] ? snapshot_read.cold (user.c:?) [ 43.498675][ T65] ? try_to_wake_up (./include/linux/preempt.h:500 (discriminator 1) kernel/sched/core.c:4263 (discriminator 1)) [ 43.498677][ T65] ? select_fallback_rq (kernel/sched/sched.h:1424) [ 43.498678][ T65] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 43.498681][ T65] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 43.498683][ T65] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 43.498684][ T65] ? netdev_notice (net/core/dev.c:13194) [ 43.498686][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.498688][ T65] ? __queue_work (./include/linux/rcupdate.h:882 kernel/workqueue.c:2459) [ 43.498691][ T65] ? kthread (kernel/kthread.c:436) [ 43.498694][ T65] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 43.498696][ T65] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 43.498701][ T65] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 43.498703][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.498705][ T65] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 43.498707][ T65] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 43.498709][ T65] ? 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) [ 43.498711][ T65] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 43.498713][ T65] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 43.498715][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.498717][ T65] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 43.498718][ T65] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 43.498719][ T65] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn [ 43.498722][ T65] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn [ 43.498725][ T65] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 43.498727][ T65] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1423 drivers/net/ovpn/peer.c:1456) ovpn [ 43.498730][ T65] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn [ 43.498732][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.498734][ T65] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.498735][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.498738][ T65] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 43.498739][ T65] process_one_work (kernel/workqueue.c:3387) [ 43.498742][ T65] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 43.498744][ T65] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 43.498746][ T65] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 43.498748][ T65] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 43.498751][ T65] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 43.498752][ T65] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 43.498754][ T65] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 43.498756][ T65] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 43.498758][ T65] kthread (kernel/kthread.c:436) [ 43.498759][ T65] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 43.498760][ T65] ? kthread_affine_preferred (kernel/kthread.c:857) [ 43.498762][ T65] ret_from_fork (arch/x86/kernel/process.c:158) [ 43.498765][ T65] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 43.498767][ T65] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 43.498769][ T65] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: __kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record:console_flush_one_record __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print print_bad_irq_dependency:check_irq_usage:check_prev_add:validate_chain:__lock_acquire 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