====================================== | [ 9.513493][ T132] softirqs last disabled at (6565): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.513496][ T132] Preemption disabled at: | [ 9.513497][ T132] 0x0 | [ 9.513507][ T132] Tainted: [W]=WARN [ 9.513508][ T132] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.513510][ T132] Call Trace: [ 9.513512][ T132] [ 9.513513][ T132] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.513519][ T132] __might_resched.cold (kernel/sched/core.c:9234) [ 9.513524][ T132] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.513528][ T132] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.513533][ T132] __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)) [ 9.513535][ T132] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.513541][ T132] ? 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) [ 9.513544][ T132] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.513547][ T132] put_chars (drivers/char/virtio_console.c:1176) [ 9.513550][ T132] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.513552][ T132] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.513557][ T132] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.513562][ T132] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.513568][ T132] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.513571][ T132] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.513573][ T132] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.513577][ T132] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.513581][ T132] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.513583][ T132] ? 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)) [ 9.513586][ T132] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.513588][ T132] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.513592][ T132] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.513596][ T132] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.513598][ T132] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.513603][ T132] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.513606][ T132] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.513607][ T132] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.513610][ T132] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.513613][ T132] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.513615][ T132] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.513618][ T132] vprintk_emit (kernel/printk/printk.c:2479) [ 9.513622][ T132] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.513626][ T132] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.513629][ T132] _printk (kernel/printk/printk.c:2504) [ 9.513633][ T132] ? snapshot_read.cold (user.c:?) [ 9.513636][ T132] ? 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) [ 9.513638][ T132] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.513642][ T132] ? 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) [ 9.513645][ T132] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.513648][ T132] ? exit_notify (kernel/exit.c:780) [ 9.513649][ T132] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.513652][ T132] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.513656][ T132] do_group_exit (kernel/exit.c:1151) [ 9.513659][ T132] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.513661][ T132] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.513663][ T132] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.513667][ T132] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.513670][ T132] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.513672][ T132] RIP: 0033:0x7fe7857b41b8 [ 9.513674][ T132] Code: Unable to access opcode bytes at 0x7fe7857b418e. Code starting with the faulting instruction =========================================== [ 9.513676][ T132] RSP: 002b:00007ffc086c86a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.513678][ T132] RAX: ffffffffffffffda RBX: 00007fe7858e4f88 RCX: 00007fe7857b41b8 [ 9.513679][ T132] RDX: 00007fe7856f1a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 9.513680][ T132] RBP: 00007ffc086c8700 R08: 0000000000000000 R09: 0000000000001010 [ 9.513681][ T132] R10: 00007ffc086c8560 R11: 0000000000000246 R12: 0000000000000002 [ 9.513682][ T132] R13: 0000000000000000 R14: 00007fe7858e3680 R15: 00007fe7858e4fa0 | [ 16.746010][ T302] softirqs last disabled at (30961): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 16.746014][ T302] Preemption disabled at: | [ 16.746015][ T302] 0x0 | [ 16.746028][ T302] Tainted: [W]=WARN [ 16.746029][ T302] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.746032][ T302] Call Trace: [ 16.746034][ T302] [ 16.746036][ T302] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 16.746044][ T302] __might_resched.cold (kernel/sched/core.c:9234) [ 16.746050][ T302] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 16.746055][ 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) [ 16.746063][ 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)) [ 16.746067][ T302] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.746076][ 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) [ 16.746080][ T302] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.746085][ T302] put_chars (drivers/char/virtio_console.c:1176) [ 16.746090][ T302] ? __send_to_port (drivers/char/virtio_console.c:654) [ 16.746093][ T302] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 16.746099][ T302] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 16.746109][ T302] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 16.746120][ T302] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 16.746124][ T302] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.746128][ T302] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.746135][ T302] console_emit_next_record (kernel/printk/printk.c:3183) [ 16.746141][ T302] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 16.746144][ 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)) [ 16.746149][ T302] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.746153][ T302] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.746160][ T302] console_flush_one_record (kernel/printk/printk.c:3268) [ 16.746167][ T302] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 16.746170][ T302] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.746180][ T302] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 16.746184][ T302] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 16.746187][ T302] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.746191][ T302] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 16.746197][ T302] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 16.746200][ T302] ? vprintk_emit (kernel/printk/printk.c:2478) [ 16.746206][ T302] vprintk_emit (kernel/printk/printk.c:2479) [ 16.746212][ T302] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 16.746218][ T302] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.746224][ T302] _printk (kernel/printk/printk.c:2504) [ 16.746229][ T302] ? snapshot_read.cold (user.c:?) [ 16.746234][ 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) [ 16.746238][ T302] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 16.746245][ 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) [ 16.746250][ T302] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 16.746255][ T302] ? exit_notify (kernel/exit.c:780) [ 16.746257][ T302] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.746262][ T302] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.746269][ T302] do_group_exit (kernel/exit.c:1151) [ 16.746274][ T302] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 16.746277][ T302] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 16.746281][ T302] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 16.746285][ T302] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 16.746290][ T302] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 16.746296][ T302] RIP: 0033:0x7f24e35791b8 [ 16.746299][ T302] Code: Unable to access opcode bytes at 0x7f24e357918e. Code starting with the faulting instruction =========================================== [ 16.746300][ T302] RSP: 002b:00007ffdecd128f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 16.746304][ T302] RAX: ffffffffffffffda RBX: 00007f24e36a9f88 RCX: 00007f24e35791b8 [ 16.746306][ T302] RDX: 00007f24e32c3fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 16.746307][ T302] RBP: 00007ffdecd12950 R08: 0000000000000000 R09: 0000000000000000 [ 16.746309][ T302] R10: 00007ffdecd12710 R11: 0000000000000246 R12: 0000000000000001 [ 16.746310][ T302] R13: 0000000000000000 R14: 00007f24e36a8680 R15: 00007f24e36a9fa0 | [ 31.718499][ T676] softirqs last disabled at (5255325): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 31.718502][ T676] Preemption disabled at: | [ 31.718503][ T676] 0x0 | [ 31.718518][ T676] Tainted: [W]=WARN [ 31.718519][ T676] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 31.718522][ T676] Call Trace: [ 31.718524][ T676] [ 31.718526][ T676] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 31.718534][ T676] __might_resched.cold (kernel/sched/core.c:9234) [ 31.718540][ T676] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 31.718545][ T676] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 31.718551][ T676] __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)) [ 31.718555][ T676] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 31.718563][ T676] ? 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) [ 31.718567][ T676] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 31.718572][ T676] put_chars (drivers/char/virtio_console.c:1176) [ 31.718575][ T676] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 31.718579][ T676] ? __send_to_port (drivers/char/virtio_console.c:654) [ 31.718584][ T676] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 31.718589][ T676] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 31.718593][ T676] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 31.718599][ T676] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 31.718603][ T676] ? mark_usage (kernel/locking/lockdep.c:4690) [ 31.718606][ T676] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.718608][ T676] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.718615][ T676] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 31.718619][ T676] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 31.718624][ T676] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.718627][ T676] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.718634][ T676] console_emit_next_record (kernel/printk/printk.c:3183) [ 31.718640][ T676] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 31.718642][ T676] ? 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)) [ 31.718647][ T676] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.718651][ T676] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.718657][ T676] console_flush_one_record (kernel/printk/printk.c:3268) [ 31.718664][ T676] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 31.718667][ T676] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.718676][ T676] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 31.718680][ T676] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 31.718683][ T676] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.718687][ T676] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 31.718692][ T676] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 31.718695][ T676] ? vprintk_emit (kernel/printk/printk.c:2478) [ 31.718700][ T676] vprintk_emit (kernel/printk/printk.c:2479) [ 31.718707][ T676] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 31.718712][ T676] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.718718][ T676] _printk (kernel/printk/printk.c:2504) [ 31.718723][ T676] ? snapshot_read.cold (user.c:?) [ 31.718728][ T676] ? 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) [ 31.718732][ T676] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 31.718738][ T676] ? 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) [ 31.718743][ T676] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 31.718748][ T676] ? exit_notify (kernel/exit.c:780) [ 31.718758][ T676] __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116) [ 31.718760][ T676] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61) [ 31.718763][ T676] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 31.718768][ T676] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 31.718772][ T676] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 31.718776][ T676] RIP: 0033:0x7f78a2517c49 [ 31.718778][ T676] Code: Unable to access opcode bytes at 0x7f78a2517c1f. Code starting with the faulting instruction =========================================== [ 31.718780][ T676] RSP: 002b:00007f78a1cd6e60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 31.718783][ T676] RAX: ffffffffffffffda RBX: 00007f78a1cd76c0 RCX: 00007f78a2517c49 [ 31.718785][ T676] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 31.718787][ T676] RBP: 00007f78a1cd6f70 R08: 0000000000000001 R09: 00007f78a1cd76c0 [ 31.718788][ T676] R10: 0000000000000008 R11: 0000000000000246 R12: 00007f78a14d7000 [ 31.718789][ T676] R13: 00007ffed81fadf0 R14: 0000000000000002 R15: 00007ffed81faef7 | [ 34.063257][ T771] softirqs last disabled at (35072): ovpn_peer_del (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1214) ovpn | [ 34.063261][ T771] Preemption disabled at: | [ 34.063261][ T771] 0x0 | [ 34.063272][ T771] Tainted: [W]=WARN [ 34.063273][ T771] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 34.063274][ T771] Call Trace: [ 34.063276][ T771] [ 34.063278][ T771] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 34.063284][ T771] __might_resched.cold (kernel/sched/core.c:9234) [ 34.063289][ T771] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 34.063297][ T771] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 34.063303][ T771] __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)) [ 34.063306][ T771] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 34.063312][ T771] ? 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) [ 34.063315][ T771] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 34.063319][ T771] put_chars (drivers/char/virtio_console.c:1176) [ 34.063322][ T771] ? __send_to_port (drivers/char/virtio_console.c:654) [ 34.063324][ T771] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 34.063328][ T771] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 34.063332][ T771] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 34.063335][ T771] ? mark_usage (kernel/locking/lockdep.c:4690) [ 34.063337][ T771] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.063339][ T771] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.063343][ T771] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 34.063345][ T771] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 34.063349][ T771] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.063353][ T771] console_emit_next_record (kernel/printk/printk.c:3183) [ 34.063357][ T771] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 34.063359][ T771] ? 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)) [ 34.063362][ T771] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.063367][ T771] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.063371][ T771] console_flush_one_record (kernel/printk/printk.c:3268) [ 34.063375][ T771] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 34.063377][ T771] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.063383][ T771] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 34.063386][ T771] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 34.063388][ T771] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.063390][ T771] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 34.063394][ T771] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 34.063396][ T771] ? vprintk_emit (kernel/printk/printk.c:2478) [ 34.063400][ T771] vprintk_emit (kernel/printk/printk.c:2479) [ 34.063403][ T771] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 34.063405][ T771] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 34.063409][ T771] ? __kernel_text_address (kernel/extable.c:79) [ 34.063410][ T771] ? write_profile (profile.c:?) [ 34.063413][ T771] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 34.063418][ T771] _printk (kernel/printk/printk.c:2504) [ 34.063422][ T771] ? snapshot_read.cold (user.c:?) [ 34.063426][ T771] ? mark_usage (kernel/locking/lockdep.c:4690) [ 34.063428][ T771] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 34.063431][ T771] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 34.063435][ T771] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 34.063437][ T771] ? netdev_notice (net/core/dev.c:13194) [ 34.063439][ T771] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 34.063442][ T771] ? mark_usage (kernel/locking/lockdep.c:4690) [ 34.063445][ T771] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.063451][ T771] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 34.063460][ T771] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 34.063465][ T771] ? 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 [ 34.063471][ T771] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 34.063474][ T771] ? 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) [ 34.063477][ T771] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 34.063484][ T771] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn [ 34.063489][ T771] ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn [ 34.063496][ T771] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn [ 34.063499][ T771] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 34.063503][ T771] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 34.063506][ T771] ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3)) [ 34.063517][ T771] ? 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 [ 34.063522][ T771] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn [ 34.063528][ T771] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114) [ 34.063532][ T771] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2)) [ 34.063534][ T771] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 34.063540][ T771] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.063543][ T771] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 34.063547][ T771] ? write_profile (profile.c:?) [ 34.063548][ T771] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 34.063552][ T771] genl_family_rcv_msg (net/netlink/genetlink.c:1194) [ 34.063556][ T771] ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079) [ 34.063559][ T771] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 34.063561][ T771] ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn [ 34.063564][ T771] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 34.063567][ T771] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn [ 34.063571][ T771] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.063577][ T771] genl_rcv_msg (net/netlink/genetlink.c:1209) [ 34.063580][ T771] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 34.063582][ T771] ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2)) [ 34.063586][ T771] ? netlink_ack (./include/linux/skbuff.h:2718) [ 34.063594][ T771] ? 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)) [ 34.063596][ T771] ? 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)) [ 34.063600][ T771] genl_rcv (net/netlink/genetlink.c:1218) [ 34.063603][ T771] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 34.063607][ T771] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 34.063610][ T771] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.063615][ T771] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 34.063619][ T771] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 34.063624][ T771] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 34.063630][ T771] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 34.063634][ T771] ? copy_msghdr_from_user (net/socket.c:2650) [ 34.063636][ T771] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 34.063638][ T771] ? move_addr_to_kernel (net/socket.c:258) [ 34.063640][ T771] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.063644][ T771] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 34.063646][ T771] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 34.063650][ T771] ___sys_sendmsg (net/socket.c:2767) [ 34.063653][ T771] ? copy_msghdr_from_user (net/socket.c:2619) [ 34.063656][ T771] ? kvm_clock_get_cycles (arch/x86/kernel/kvmclock.c:80 (discriminator 1) arch/x86/kernel/kvmclock.c:87 (discriminator 1)) [ 34.063664][ T771] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 34.063670][ T771] ? trace_sched_exit_tp (./include/trace/events/sched.h:886 (discriminator 22)) [ 34.063672][ T771] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 34.063674][ T771] ? __schedule (kernel/sched/sched.h:1698 kernel/sched/core.c:7275) [ 34.063677][ T771] ? __schedule (kernel/sched/core.c:7277) [ 34.063681][ T771] __sys_sendmsg (net/socket.c:2799) [ 34.063685][ T771] ? __sys_sendmsg_sock (net/socket.c:2780) [ 34.063691][ T771] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.063694][ T771] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.063698][ T771] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 34.063701][ T771] ? irq_exit_rcu (kernel/softirq.c:786) [ 34.063705][ T771] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 34.063707][ T771] RIP: 0033:0x7f52c15cd54e [ 34.063710][ T771] 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 [ 34.063711][ T771] RSP: 002b:00007ffcb8ce8420 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 34.063714][ T771] RAX: ffffffffffffffda RBX: 00000000382c3130 RCX: 00007f52c15cd54e [ 34.063716][ T771] RDX: 0000000000000000 RSI: 00007ffcb8ce84c0 RDI: 0000000000000005 [ 34.063717][ T771] RBP: 00007ffcb8ce8430 R08: 0000000000000000 R09: 0000000000000000 [ 34.063718][ T771] R10: 0000000000000000 R11: 0000000000000202 R12: 00000000382c3200 [ 34.063719][ T771] R13: 00007ffcb8ce84c0 R14: 00000000382c4260 R15: 000000000040bda8 | [ 37.428349][ T823] softirqs last disabled at (27798): ovpn_peer_del (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1214) ovpn | [ 37.428355][ T823] Preemption disabled at: | [ 37.428356][ T823] 0x0 | [ 37.428369][ T823] Tainted: [W]=WARN [ 37.428371][ T823] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 37.428373][ T823] Call Trace: [ 37.428375][ T823] [ 37.428377][ T823] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 37.428385][ T823] __might_resched.cold (kernel/sched/core.c:9234) [ 37.428392][ T823] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 37.428398][ T823] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 37.428405][ T823] __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)) [ 37.428409][ T823] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 37.428418][ T823] ? 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) [ 37.428421][ T823] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 37.428427][ T823] put_chars (drivers/char/virtio_console.c:1176) [ 37.428432][ T823] ? __send_to_port (drivers/char/virtio_console.c:654) [ 37.428437][ T823] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 37.428443][ T823] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 37.428446][ T823] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 37.428453][ T823] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 37.428457][ T823] ? mark_usage (kernel/locking/lockdep.c:4690) [ 37.428460][ T823] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.428463][ T823] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.428470][ T823] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 37.428472][ T823] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 37.428484][ T823] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 37.428491][ T823] console_emit_next_record (kernel/printk/printk.c:3183) [ 37.428497][ T823] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 37.428500][ T823] ? 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)) [ 37.428506][ T823] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.428510][ T823] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 37.428516][ T823] console_flush_one_record (kernel/printk/printk.c:3268) [ 37.428523][ T823] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 37.428526][ T823] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.428536][ T823] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 37.428540][ T823] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 37.428543][ T823] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.428546][ T823] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 37.428553][ T823] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 37.428556][ T823] ? vprintk_emit (kernel/printk/printk.c:2478) [ 37.428562][ T823] vprintk_emit (kernel/printk/printk.c:2479) [ 37.428568][ T823] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 37.428571][ T823] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 37.428575][ T823] ? __kernel_text_address (kernel/extable.c:79) [ 37.428577][ T823] ? write_profile (profile.c:?) [ 37.428581][ T823] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 37.428589][ T823] _printk (kernel/printk/printk.c:2504) [ 37.428594][ T823] ? snapshot_read.cold (user.c:?) [ 37.428601][ T823] ? mark_usage (kernel/locking/lockdep.c:4690) [ 37.428603][ T823] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 37.428608][ T823] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 37.428615][ T823] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 37.428619][ T823] ? netdev_notice (net/core/dev.c:13194) [ 37.428621][ T823] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 37.428625][ T823] ? mark_usage (kernel/locking/lockdep.c:4690) [ 37.428630][ T823] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.428641][ T823] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 37.428650][ T823] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 37.428657][ T823] ? 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 [ 37.428668][ T823] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 37.428674][ T823] ? 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) [ 37.428678][ T823] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 37.428690][ T823] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn [ 37.428697][ T823] ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn [ 37.428709][ T823] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn [ 37.428715][ T823] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 37.428720][ T823] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 37.428725][ T823] ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3)) [ 37.428744][ T823] ? 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 [ 37.428752][ T823] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn [ 37.428763][ T823] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114) [ 37.428768][ T823] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2)) [ 37.428771][ T823] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 37.428781][ T823] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.428784][ T823] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 37.428789][ T823] ? write_profile (profile.c:?) [ 37.428791][ T823] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 37.428797][ T823] genl_family_rcv_msg (net/netlink/genetlink.c:1194) [ 37.428803][ T823] ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079) [ 37.428807][ T823] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 37.428809][ T823] ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn [ 37.428814][ T823] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 37.428818][ T823] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn [ 37.428824][ T823] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.428833][ T823] genl_rcv_msg (net/netlink/genetlink.c:1209) [ 37.428838][ T823] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 37.428841][ T823] ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2)) [ 37.428847][ T823] ? netlink_ack (./include/linux/skbuff.h:2718) [ 37.428859][ T823] ? 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)) [ 37.428862][ T823] ? 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)) [ 37.428869][ T823] genl_rcv (net/netlink/genetlink.c:1218) [ 37.428872][ T823] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 37.428879][ T823] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 37.428884][ T823] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.428891][ T823] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 37.428898][ T823] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 37.428905][ T823] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 37.428913][ T823] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 37.428918][ T823] ? copy_msghdr_from_user (net/socket.c:2650) [ 37.428922][ T823] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 37.428925][ T823] ? move_addr_to_kernel (net/socket.c:258) [ 37.428938][ T823] ___sys_sendmsg (net/socket.c:2767) [ 37.428943][ T823] ? copy_msghdr_from_user (net/socket.c:2619) [ 37.428945][ T823] ? kfree (mm/slub.c:6778 (discriminator 1)) [ 37.428975][ T823] __sys_sendmsg (net/socket.c:2799) [ 37.428979][ T823] ? __sys_sendmsg_sock (net/socket.c:2780) [ 37.428989][ T823] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.428993][ T823] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.429000][ T823] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 37.429003][ T823] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 37.429008][ T823] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 37.429012][ T823] RIP: 0033:0x7f8b4528c54e [ 37.429015][ T823] 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 [ 37.429018][ T823] RSP: 002b:00007ffcc589e0f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 37.429022][ T823] RAX: ffffffffffffffda RBX: 000000002b3f7130 RCX: 00007f8b4528c54e [ 37.429024][ T823] RDX: 0000000000000000 RSI: 00007ffcc589e190 RDI: 0000000000000005 [ 37.429026][ T823] RBP: 00007ffcc589e100 R08: 0000000000000000 R09: 0000000000000000 [ 37.429027][ T823] R10: 0000000000000000 R11: 0000000000000202 R12: 000000002b3f7200 [ 37.429029][ T823] R13: 00007ffcc589e190 R14: 000000002b3f8260 R15: 000000000040bda8 | [ 43.818718][ T66] softirqs last disabled at (25532): ovpn_peer_keepalive_work (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1449) ovpn | [ 43.818721][ T66] Preemption disabled at: | [ 43.818722][ T66] 0x0 | [ 43.818734][ T66] Tainted: [W]=WARN [ 43.818735][ T66] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 43.818738][ T66] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 43.818745][ T66] Call Trace: [ 43.818747][ T66] [ 43.818750][ T66] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 43.818757][ T66] __might_resched.cold (kernel/sched/core.c:9234) [ 43.818761][ T66] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 43.818766][ T66] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 43.818771][ T66] __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)) [ 43.818774][ T66] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 43.818780][ T66] ? 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) [ 43.818783][ T66] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 43.818786][ T66] put_chars (drivers/char/virtio_console.c:1176) [ 43.818790][ T66] ? __send_to_port (drivers/char/virtio_console.c:654) [ 43.818794][ T66] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 43.818798][ T66] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 43.818802][ T66] ? mark_usage (kernel/locking/lockdep.c:4690) [ 43.818804][ T66] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.818805][ T66] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.818810][ T66] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 43.818812][ T66] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 43.818815][ T66] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.818819][ T66] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.818824][ T66] console_emit_next_record (kernel/printk/printk.c:3183) [ 43.818828][ T66] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 43.818829][ T66] ? 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)) [ 43.818833][ T66] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.818835][ T66] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.818840][ T66] console_flush_one_record (kernel/printk/printk.c:3268) [ 43.818844][ T66] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 43.818846][ T66] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.818852][ T66] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 43.818855][ T66] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 43.818856][ T66] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.818859][ T66] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 43.818863][ T66] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 43.818865][ T66] ? vprintk_emit (kernel/printk/printk.c:2478) [ 43.818868][ T66] vprintk_emit (kernel/printk/printk.c:2479) [ 43.818872][ T66] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 43.818874][ T66] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 43.818877][ T66] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 43.818879][ T66] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 43.818883][ T66] _printk (kernel/printk/printk.c:2504) [ 43.818887][ T66] ? snapshot_read.cold (user.c:?) [ 43.818892][ T66] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 43.818895][ T66] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 43.818899][ T66] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 43.818901][ T66] ? netdev_notice (net/core/dev.c:13194) [ 43.818902][ T66] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 43.818906][ T66] ? debug_object_activate (lib/debugobjects.c:891 (discriminator 3)) [ 43.818912][ T66] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 43.818914][ T66] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 43.818918][ T66] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 43.818924][ T66] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 43.818931][ T66] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 43.818936][ T66] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 43.818939][ T66] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 43.818942][ T66] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 43.818946][ T66] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn [ 43.818951][ T66] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn [ 43.818953][ T66] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 43.818959][ T66] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1396 drivers/net/ovpn/peer.c:1452) ovpn [ 43.818964][ T66] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 43.818967][ T66] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn [ 43.818970][ T66] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.818972][ T66] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.818974][ T66] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.818979][ T66] process_one_work (kernel/workqueue.c:3387) [ 43.818986][ T66] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 43.818989][ T66] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 43.818997][ T66] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 43.819001][ T66] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 43.819004][ T66] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 43.819007][ T66] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 43.819010][ T66] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 43.819012][ T66] kthread (kernel/kthread.c:436) [ 43.819014][ T66] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 43.819017][ T66] ? kthread_affine_preferred (kernel/kthread.c:857) [ 43.819020][ T66] ret_from_fork (arch/x86/kernel/process.c:158) [ 43.819024][ T66] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 43.819028][ T66] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 43.819031][ T66] ? kthread_affine_preferred (kernel/kthread.c:857) [ 43.819034][ T66] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 49.067996][ T66] softirqs last disabled at (27346): ovpn_peer_keepalive_work (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1449) ovpn | [ 49.067999][ T66] Preemption disabled at: | [ 49.068000][ T66] 0x0 | [ 49.068011][ T66] Tainted: [W]=WARN [ 49.068012][ T66] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 49.068014][ T66] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 49.068019][ T66] Call Trace: [ 49.068021][ T66] [ 49.068023][ T66] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 49.068030][ T66] __might_resched.cold (kernel/sched/core.c:9234) [ 49.068034][ T66] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 49.068038][ T66] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 49.068044][ T66] __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)) [ 49.068046][ T66] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 49.068053][ T66] ? 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) [ 49.068055][ T66] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 49.068058][ T66] put_chars (drivers/char/virtio_console.c:1176) [ 49.068061][ T66] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 49.068063][ T66] ? __send_to_port (drivers/char/virtio_console.c:654) [ 49.068066][ T66] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 49.068071][ T66] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 49.068073][ T66] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 49.068077][ T66] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 49.068080][ T66] ? mark_usage (kernel/locking/lockdep.c:4690) [ 49.068082][ T66] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 49.068084][ T66] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 49.068088][ T66] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 49.068090][ T66] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 49.068093][ T66] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.068096][ T66] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 49.068100][ T66] console_emit_next_record (kernel/printk/printk.c:3183) [ 49.068104][ T66] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 49.068106][ T66] ? 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)) [ 49.068109][ T66] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.068111][ T66] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 49.068115][ T66] console_flush_one_record (kernel/printk/printk.c:3268) [ 49.068120][ T66] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 49.068122][ T66] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 49.068127][ T66] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 49.068130][ T66] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 49.068132][ T66] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.068134][ T66] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 49.068138][ T66] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 49.068140][ T66] ? vprintk_emit (kernel/printk/printk.c:2478) [ 49.068143][ T66] vprintk_emit (kernel/printk/printk.c:2479) [ 49.068147][ T66] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 49.068150][ T66] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 49.068154][ T66] _printk (kernel/printk/printk.c:2504) [ 49.068158][ T66] ? snapshot_read.cold (user.c:?) [ 49.068160][ T66] ? try_to_wake_up (./include/linux/preempt.h:500 (discriminator 1) kernel/sched/core.c:4263 (discriminator 1)) [ 49.068163][ T66] ? select_fallback_rq (kernel/sched/sched.h:1424) [ 49.068165][ T66] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 49.068168][ T66] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 49.068172][ T66] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 49.068174][ T66] ? netdev_notice (net/core/dev.c:13194) [ 49.068179][ T66] ? __queue_work (./include/linux/rcupdate.h:882 kernel/workqueue.c:2459) [ 49.068183][ T66] ? kthread (kernel/kthread.c:436) [ 49.068187][ T66] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 49.068192][ T66] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 49.068195][ T66] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 49.068198][ T66] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 49.068200][ T66] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 49.068205][ T66] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 49.068210][ T66] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 49.068213][ T66] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 49.068216][ T66] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 49.068220][ T66] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn [ 49.068224][ T66] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn [ 49.068227][ T66] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 49.068232][ T66] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1423 drivers/net/ovpn/peer.c:1456) ovpn [ 49.068237][ T66] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 49.068240][ T66] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn [ 49.068243][ T66] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.068245][ T66] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 49.068247][ T66] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.068251][ T66] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 49.068252][ T66] process_one_work (kernel/workqueue.c:3387) [ 49.068259][ T66] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 49.068262][ T66] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 49.068269][ T66] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 49.068274][ T66] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 49.068276][ T66] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 49.068279][ T66] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 49.068281][ T66] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 49.068283][ T66] kthread (kernel/kthread.c:436) [ 49.068285][ T66] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 49.068288][ T66] ? kthread_affine_preferred (kernel/kthread.c:857) [ 49.068291][ T66] ret_from_fork (arch/x86/kernel/process.c:158) [ 49.068298][ T66] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 49.068301][ T66] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 49.068304][ T66] ? 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