====================================== | [ 8.575694][ T133] softirqs last disabled at (10061): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 8.575696][ T133] Preemption disabled at: | [ 8.575697][ T133] 0x0 | [ 8.575707][ T133] Tainted: [W]=WARN [ 8.575708][ T133] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8.575710][ T133] Call Trace: [ 8.575711][ T133] [ 8.575713][ T133] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 8.575719][ T133] __might_resched.cold (kernel/sched/core.c:9234) [ 8.575724][ T133] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 8.575728][ T133] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 8.575732][ T133] __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)) [ 8.575735][ T133] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.575740][ T133] ? 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) [ 8.575743][ T133] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.575746][ T133] put_chars (drivers/char/virtio_console.c:1176) [ 8.575749][ T133] ? __send_to_port (drivers/char/virtio_console.c:654) [ 8.575751][ T133] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 8.575756][ T133] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 8.575761][ T133] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 8.575767][ T133] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 8.575769][ T133] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.575772][ T133] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.575775][ T133] console_emit_next_record (kernel/printk/printk.c:3183) [ 8.575779][ T133] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 8.575781][ T133] ? 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)) [ 8.575784][ T133] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.575786][ T133] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.575790][ T133] console_flush_one_record (kernel/printk/printk.c:3268) [ 8.575794][ T133] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 8.575796][ T133] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.575801][ T133] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 8.575803][ T133] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 8.575805][ T133] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.575807][ T133] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 8.575811][ T133] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 8.575812][ T133] ? vprintk_emit (kernel/printk/printk.c:2478) [ 8.575816][ T133] vprintk_emit (kernel/printk/printk.c:2479) [ 8.575823][ T133] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 8.575827][ T133] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.575830][ T133] _printk (kernel/printk/printk.c:2504) [ 8.575834][ T133] ? snapshot_read.cold (user.c:?) [ 8.575836][ T133] ? 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) [ 8.575839][ T133] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 8.575842][ T133] ? 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) [ 8.575845][ T133] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 8.575849][ T133] ? exit_notify (kernel/exit.c:780) [ 8.575850][ T133] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 8.575852][ T133] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.575856][ T133] do_group_exit (kernel/exit.c:1151) [ 8.575859][ T133] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 8.575861][ T133] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 8.575864][ T133] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 8.575868][ T133] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 8.575870][ T133] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 8.575873][ T133] RIP: 0033:0x7f807f7351b8 [ 8.575875][ T133] Code: Unable to access opcode bytes at 0x7f807f73518e. Code starting with the faulting instruction =========================================== [ 8.575876][ T133] RSP: 002b:00007ffdd31ef218 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 8.575878][ T133] RAX: ffffffffffffffda RBX: 00007f807f865f88 RCX: 00007f807f7351b8 [ 8.575879][ T133] RDX: 00007f807f592b48 RSI: fffffffffffffec8 RDI: 0000000000000000 [ 8.575880][ T133] RBP: 00007ffdd31ef270 R08: 00000000ffffffff R09: 0000000000001010 [ 8.575881][ T133] R10: 00007ffdd31ef090 R11: 0000000000000246 R12: 0000000000000002 [ 8.575882][ T133] R13: 0000000000000000 R14: 00007f807f864680 R15: 00007f807f865fa0 | [ 10.352192][ T198] softirqs last disabled at (21289): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.352194][ T198] Preemption disabled at: | [ 10.352195][ T198] 0x0 | [ 10.352205][ T198] Tainted: [W]=WARN [ 10.352206][ T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.352207][ T198] Call Trace: [ 10.352209][ T198] [ 10.352210][ T198] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.352217][ T198] __might_resched.cold (kernel/sched/core.c:9234) [ 10.352221][ T198] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.352225][ T198] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.352229][ T198] __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)) [ 10.352231][ T198] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.352237][ T198] ? 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) [ 10.352239][ T198] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.352243][ T198] put_chars (drivers/char/virtio_console.c:1176) [ 10.352246][ T198] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.352247][ T198] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.352252][ T198] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.352257][ T198] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.352263][ T198] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.352265][ T198] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.352268][ T198] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.352271][ T198] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.352275][ T198] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.352277][ T198] ? 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)) [ 10.352280][ T198] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.352282][ T198] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.352286][ T198] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.352290][ T198] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.352292][ T198] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.352297][ T198] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.352299][ T198] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.352301][ T198] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.352303][ T198] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.352307][ T198] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.352309][ T198] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.352312][ T198] vprintk_emit (kernel/printk/printk.c:2479) [ 10.352315][ T198] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.352319][ T198] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.352322][ T198] _printk (kernel/printk/printk.c:2504) [ 10.352326][ T198] ? snapshot_read.cold (user.c:?) [ 10.352328][ T198] ? 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) [ 10.352331][ T198] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.352335][ T198] ? 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) [ 10.352337][ T198] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.352341][ T198] ? exit_notify (kernel/exit.c:780) [ 10.352342][ T198] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.352345][ T198] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.352349][ T198] do_group_exit (kernel/exit.c:1151) [ 10.352351][ T198] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.352353][ T198] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.352356][ T198] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.352359][ T198] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.352363][ T198] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.352366][ T198] RIP: 0033:0x7f79205a51b8 [ 10.352368][ T198] Code: Unable to access opcode bytes at 0x7f79205a518e. Code starting with the faulting instruction =========================================== [ 10.352369][ T198] RSP: 002b:00007ffccbe6df98 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.352371][ T198] RAX: ffffffffffffffda RBX: 00007f79206d5f88 RCX: 00007f79205a51b8 [ 10.352372][ T198] RDX: 00007f79202effc8 RSI: fffffffffffffeb8 RDI: 00000000ffffffff [ 10.352373][ T198] RBP: 00007ffccbe6dff0 R08: 0000000000000000 R09: 0000000000000000 [ 10.352374][ T198] R10: 00007ffccbe6ddb0 R11: 0000000000000246 R12: 0000000000000001 [ 10.352375][ T198] R13: 00000000ffffffff R14: 00007f79206d4680 R15: 00007f79206d5fa0 | [ 15.208181][ T299] softirqs last disabled at (46601): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 15.208184][ T299] Preemption disabled at: | [ 15.208184][ T299] 0x0 | [ 15.208194][ T299] Tainted: [W]=WARN [ 15.208196][ T299] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.208197][ T299] Call Trace: [ 15.208198][ T299] [ 15.208200][ T299] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.208206][ T299] __might_resched.cold (kernel/sched/core.c:9234) [ 15.208210][ T299] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.208214][ T299] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 15.208219][ T299] __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)) [ 15.208221][ T299] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.208227][ T299] ? 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) [ 15.208230][ T299] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.208233][ T299] put_chars (drivers/char/virtio_console.c:1176) [ 15.208236][ T299] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.208237][ T299] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.208242][ T299] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.208247][ T299] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.208253][ T299] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.208256][ T299] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.208258][ T299] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.208262][ T299] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.208265][ T299] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.208267][ T299] ? 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)) [ 15.208270][ T299] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.208273][ T299] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.208276][ T299] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.208280][ T299] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.208282][ T299] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.208287][ T299] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.208290][ T299] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.208291][ T299] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.208293][ T299] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.208297][ T299] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.208299][ T299] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.208302][ T299] vprintk_emit (kernel/printk/printk.c:2479) [ 15.208305][ T299] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.208309][ T299] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.208312][ T299] _printk (kernel/printk/printk.c:2504) [ 15.208315][ T299] ? snapshot_read.cold (user.c:?) [ 15.208318][ T299] ? 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) [ 15.208320][ T299] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 15.208324][ T299] ? 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) [ 15.208327][ T299] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 15.208330][ T299] ? exit_notify (kernel/exit.c:780) [ 15.208331][ T299] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.208334][ T299] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.208338][ T299] do_group_exit (kernel/exit.c:1151) [ 15.208340][ T299] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 15.208342][ T299] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 15.208345][ T299] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.208348][ T299] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.208351][ T299] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.208354][ T299] RIP: 0033:0x7fcba0c1e1b8 [ 15.208356][ T299] Code: Unable to access opcode bytes at 0x7fcba0c1e18e. Code starting with the faulting instruction =========================================== [ 15.208357][ T299] RSP: 002b:00007ffe1c4070b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 15.208359][ T299] RAX: ffffffffffffffda RBX: 00007fcba0d4ef88 RCX: 00007fcba0c1e1b8 [ 15.208363][ T299] RDX: 00007fcba0968fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 15.208364][ T299] RBP: 00007ffe1c407110 R08: 0000000000000000 R09: 0000000000000000 [ 15.208364][ T299] R10: 00007ffe1c406ed0 R11: 0000000000000246 R12: 0000000000000001 [ 15.208365][ T299] R13: 0000000000000000 R14: 00007fcba0d4d680 R15: 00007fcba0d4efa0 | [ 28.542545][ T675] softirqs last disabled at (7490025): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 28.542548][ T675] Preemption disabled at: | [ 28.542548][ T675] 0x0 | [ 28.542559][ T675] Tainted: [W]=WARN [ 28.542560][ T675] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 28.542562][ T675] Call Trace: [ 28.542564][ T675] [ 28.542565][ T675] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 28.542571][ T675] __might_resched.cold (kernel/sched/core.c:9234) [ 28.542576][ T675] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 28.542579][ T675] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 28.542584][ T675] __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)) [ 28.542586][ T675] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 28.542592][ T675] ? 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) [ 28.542595][ T675] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 28.542598][ T675] put_chars (drivers/char/virtio_console.c:1176) [ 28.542600][ T675] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 28.542603][ T675] ? __send_to_port (drivers/char/virtio_console.c:654) [ 28.542606][ T675] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 28.542610][ T675] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 28.542612][ T675] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 28.542615][ T675] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 28.542619][ T675] ? mark_usage (kernel/locking/lockdep.c:4690) [ 28.542621][ T675] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 28.542622][ T675] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 28.542626][ T675] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 28.542628][ T675] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 28.542631][ T675] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.542634][ T675] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.542637][ T675] console_emit_next_record (kernel/printk/printk.c:3183) [ 28.542641][ T675] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 28.542643][ T675] ? 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)) [ 28.542646][ T675] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.542648][ T675] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.542652][ T675] console_flush_one_record (kernel/printk/printk.c:3268) [ 28.542656][ T675] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 28.542658][ T675] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 28.542662][ T675] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 28.542665][ T675] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 28.542667][ T675] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.542669][ T675] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 28.542673][ T675] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 28.542674][ T675] ? vprintk_emit (kernel/printk/printk.c:2478) [ 28.542677][ T675] vprintk_emit (kernel/printk/printk.c:2479) [ 28.542681][ T675] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 28.542684][ T675] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 28.542688][ T675] _printk (kernel/printk/printk.c:2504) [ 28.542691][ T675] ? snapshot_read.cold (user.c:?) [ 28.542694][ T675] ? 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) [ 28.542696][ T675] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 28.542700][ T675] ? 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) [ 28.542702][ T675] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 28.542706][ T675] ? exit_notify (kernel/exit.c:780) [ 28.542711][ T675] __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116) [ 28.542713][ T675] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61) [ 28.542716][ T675] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 28.542719][ T675] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 28.542722][ T675] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 28.542724][ T675] RIP: 0033:0x7f9cc653dc49 [ 28.542726][ T675] Code: Unable to access opcode bytes at 0x7f9cc653dc1f. Code starting with the faulting instruction =========================================== [ 28.542728][ T675] RSP: 002b:00007f9cc5cfce60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 28.542730][ T675] RAX: ffffffffffffffda RBX: 00007f9cc5cfd6c0 RCX: 00007f9cc653dc49 [ 28.542731][ T675] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 28.542732][ T675] RBP: 00007f9cc5cfcf70 R08: 0000000000000001 R09: 00007f9cc5cfd6c0 [ 28.542733][ T675] R10: 0000000000000008 R11: 0000000000000246 R12: 00007f9cc54fd000 [ 28.542734][ T675] R13: 00007ffcaa803600 R14: 0000000000000002 R15: 00007ffcaa803707 | [ 30.333562][ T769] softirqs last disabled at (37154): ovpn_peer_del (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1214) ovpn | [ 30.333566][ T769] Preemption disabled at: | [ 30.333566][ T769] 0x0 | [ 30.333576][ T769] Tainted: [W]=WARN [ 30.333577][ T769] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 30.333579][ T769] Call Trace: [ 30.333581][ T769] [ 30.333582][ T769] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 30.333588][ T769] __might_resched.cold (kernel/sched/core.c:9234) [ 30.333593][ T769] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 30.333597][ T769] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 30.333602][ T769] __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)) [ 30.333604][ T769] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 30.333610][ T769] ? 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) [ 30.333612][ T769] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 30.333615][ T769] put_chars (drivers/char/virtio_console.c:1176) [ 30.333619][ T769] ? __send_to_port (drivers/char/virtio_console.c:654) [ 30.333620][ T769] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 30.333624][ T769] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 30.333628][ T769] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 30.333631][ T769] ? mark_usage (kernel/locking/lockdep.c:4690) [ 30.333633][ T769] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.333634][ T769] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.333638][ T769] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 30.333640][ T769] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 30.333644][ T769] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.333648][ T769] console_emit_next_record (kernel/printk/printk.c:3183) [ 30.333651][ T769] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 30.333653][ T769] ? 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)) [ 30.333656][ T769] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.333660][ T769] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.333664][ T769] console_flush_one_record (kernel/printk/printk.c:3268) [ 30.333668][ T769] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 30.333670][ T769] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.333675][ T769] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 30.333678][ T769] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 30.333680][ T769] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.333682][ T769] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 30.333685][ T769] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 30.333687][ T769] ? vprintk_emit (kernel/printk/printk.c:2478) [ 30.333690][ T769] vprintk_emit (kernel/printk/printk.c:2479) [ 30.333694][ T769] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 30.333695][ T769] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 30.333698][ T769] ? __kernel_text_address (kernel/extable.c:79) [ 30.333700][ T769] ? write_profile (profile.c:?) [ 30.333702][ T769] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 30.333707][ T769] _printk (kernel/printk/printk.c:2504) [ 30.333710][ T769] ? snapshot_read.cold (user.c:?) [ 30.333714][ T769] ? mark_usage (kernel/locking/lockdep.c:4690) [ 30.333716][ T769] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 30.333719][ T769] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 30.333722][ T769] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 30.333724][ T769] ? netdev_notice (net/core/dev.c:13194) [ 30.333725][ T769] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 30.333728][ T769] ? mark_usage (kernel/locking/lockdep.c:4690) [ 30.333731][ T769] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.333736][ T769] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 30.333741][ T769] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 30.333745][ T769] ? 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 [ 30.333751][ T769] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 30.333753][ T769] ? 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) [ 30.333756][ T769] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 30.333762][ T769] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn [ 30.333766][ T769] ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn [ 30.333772][ T769] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn [ 30.333775][ T769] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 30.333779][ T769] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 30.333782][ T769] ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3)) [ 30.333792][ T769] ? 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 [ 30.333797][ T769] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn [ 30.333802][ T769] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114) [ 30.333806][ T769] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2)) [ 30.333808][ T769] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 30.333813][ T769] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.333816][ T769] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 30.333819][ T769] ? write_profile (profile.c:?) [ 30.333821][ T769] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 30.333824][ T769] genl_family_rcv_msg (net/netlink/genetlink.c:1194) [ 30.333828][ T769] ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079) [ 30.333830][ T769] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 30.333832][ T769] ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn [ 30.333835][ T769] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 30.333838][ T769] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn [ 30.333841][ T769] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.333846][ T769] genl_rcv_msg (net/netlink/genetlink.c:1209) [ 30.333850][ T769] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 30.333852][ T769] ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2)) [ 30.333855][ T769] ? netlink_ack (./include/linux/skbuff.h:2718) [ 30.333862][ T769] ? 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)) [ 30.333864][ T769] ? 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)) [ 30.333872][ T769] genl_rcv (net/netlink/genetlink.c:1218) [ 30.333874][ T769] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 30.333878][ T769] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 30.333881][ T769] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.333885][ T769] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 30.333889][ T769] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 30.333894][ T769] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 30.333899][ T769] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 30.333903][ T769] ? copy_msghdr_from_user (net/socket.c:2650) [ 30.333905][ T769] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 30.333907][ T769] ? move_addr_to_kernel (net/socket.c:258) [ 30.333914][ T769] ___sys_sendmsg (net/socket.c:2767) [ 30.333917][ T769] ? copy_msghdr_from_user (net/socket.c:2619) [ 30.333918][ T769] ? kfree (mm/slub.c:6778 (discriminator 1)) [ 30.333934][ T769] __sys_sendmsg (net/socket.c:2799) [ 30.333937][ T769] ? __sys_sendmsg_sock (net/socket.c:2780) [ 30.333942][ T769] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.333944][ T769] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.333948][ T769] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 30.333951][ T769] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 30.333954][ T769] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 30.333956][ T769] RIP: 0033:0x7fa93a71254e [ 30.333958][ T769] 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 [ 30.333960][ T769] RSP: 002b:00007ffc9a953c50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 30.333963][ T769] RAX: ffffffffffffffda RBX: 00000000389bd130 RCX: 00007fa93a71254e [ 30.333964][ T769] RDX: 0000000000000000 RSI: 00007ffc9a953cf0 RDI: 0000000000000005 [ 30.333965][ T769] RBP: 00007ffc9a953c60 R08: 0000000000000000 R09: 0000000000000000 [ 30.333966][ T769] R10: 0000000000000000 R11: 0000000000000202 R12: 00000000389bd200 [ 30.333966][ T769] R13: 00007ffc9a953cf0 R14: 00000000389be260 R15: 000000000040bda8 | [ 33.329350][ T821] softirqs last disabled at (28434): ovpn_peer_del (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1214) ovpn | [ 33.329353][ T821] Preemption disabled at: | [ 33.329354][ T821] 0x0 | [ 33.329367][ T821] Tainted: [W]=WARN [ 33.329368][ T821] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 33.329370][ T821] Call Trace: [ 33.329371][ T821] [ 33.329373][ T821] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 33.329379][ T821] __might_resched.cold (kernel/sched/core.c:9234) [ 33.329384][ T821] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 33.329388][ T821] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 33.329392][ T821] __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)) [ 33.329395][ T821] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 33.329400][ T821] ? 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) [ 33.329403][ T821] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 33.329406][ T821] put_chars (drivers/char/virtio_console.c:1176) [ 33.329409][ T821] ? __send_to_port (drivers/char/virtio_console.c:654) [ 33.329412][ T821] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 33.329416][ T821] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 33.329418][ T821] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 33.329422][ T821] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 33.329425][ T821] ? mark_usage (kernel/locking/lockdep.c:4690) [ 33.329427][ T821] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 33.329429][ T821] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 33.329433][ T821] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 33.329434][ T821] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 33.329438][ T821] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.329442][ T821] console_emit_next_record (kernel/printk/printk.c:3183) [ 33.329446][ T821] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 33.329447][ T821] ? 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)) [ 33.329451][ T821] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.329453][ T821] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.329457][ T821] console_flush_one_record (kernel/printk/printk.c:3268) [ 33.329461][ T821] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 33.329463][ T821] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 33.329468][ T821] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 33.329471][ T821] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 33.329472][ T821] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.329475][ T821] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 33.329478][ T821] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 33.329480][ T821] ? vprintk_emit (kernel/printk/printk.c:2478) [ 33.329483][ T821] vprintk_emit (kernel/printk/printk.c:2479) [ 33.329487][ T821] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 33.329489][ T821] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 33.329492][ T821] ? __kernel_text_address (kernel/extable.c:79) [ 33.329493][ T821] ? write_profile (profile.c:?) [ 33.329495][ T821] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 33.329500][ T821] _printk (kernel/printk/printk.c:2504) [ 33.329503][ T821] ? snapshot_read.cold (user.c:?) [ 33.329507][ T821] ? mark_usage (kernel/locking/lockdep.c:4690) [ 33.329509][ T821] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 33.329512][ T821] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 33.329515][ T821] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 33.329518][ T821] ? netdev_notice (net/core/dev.c:13194) [ 33.329519][ T821] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 33.329522][ T821] ? mark_usage (kernel/locking/lockdep.c:4690) [ 33.329524][ T821] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 33.329530][ T821] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 33.329535][ T821] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 33.329538][ T821] ? 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 [ 33.329544][ T821] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 33.329548][ T821] ? 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) [ 33.329550][ T821] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 33.329556][ T821] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn [ 33.329560][ T821] ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn [ 33.329566][ T821] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn [ 33.329569][ T821] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 33.329573][ T821] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 33.329576][ T821] ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3)) [ 33.329586][ T821] ? 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 [ 33.329590][ T821] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn [ 33.329596][ T821] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114) [ 33.329599][ T821] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2)) [ 33.329601][ T821] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 33.329607][ T821] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.329609][ T821] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 33.329613][ T821] ? write_profile (profile.c:?) [ 33.329614][ T821] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 33.329617][ T821] genl_family_rcv_msg (net/netlink/genetlink.c:1194) [ 33.329621][ T821] ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079) [ 33.329623][ T821] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 33.329625][ T821] ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn [ 33.329628][ T821] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 33.329630][ T821] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn [ 33.329633][ T821] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 33.329639][ T821] genl_rcv_msg (net/netlink/genetlink.c:1209) [ 33.329642][ T821] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 33.329644][ T821] ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2)) [ 33.329647][ T821] ? netlink_ack (./include/linux/skbuff.h:2718) [ 33.329654][ T821] ? 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)) [ 33.329656][ T821] ? 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)) [ 33.329660][ T821] genl_rcv (net/netlink/genetlink.c:1218) [ 33.329662][ T821] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 33.329666][ T821] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 33.329669][ T821] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 33.329673][ T821] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 33.329677][ T821] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 33.329681][ T821] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 33.329686][ T821] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 33.329690][ T821] ? copy_msghdr_from_user (net/socket.c:2650) [ 33.329692][ T821] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 33.329694][ T821] ? move_addr_to_kernel (net/socket.c:258) [ 33.329701][ T821] ___sys_sendmsg (net/socket.c:2767) [ 33.329704][ T821] ? copy_msghdr_from_user (net/socket.c:2619) [ 33.329706][ T821] ? kfree (mm/slub.c:6778 (discriminator 1)) [ 33.329720][ T821] __sys_sendmsg (net/socket.c:2799) [ 33.329724][ T821] ? __sys_sendmsg_sock (net/socket.c:2780) [ 33.329729][ T821] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.329731][ T821] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.329735][ T821] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 33.329738][ T821] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 33.329741][ T821] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 33.329743][ T821] RIP: 0033:0x7f4a8213a54e [ 33.329745][ T821] 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 [ 33.329747][ T821] RSP: 002b:00007ffc95b8fed0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 33.329750][ T821] RAX: ffffffffffffffda RBX: 000000001a815130 RCX: 00007f4a8213a54e [ 33.329751][ T821] RDX: 0000000000000000 RSI: 00007ffc95b8ff70 RDI: 0000000000000005 [ 33.329752][ T821] RBP: 00007ffc95b8fee0 R08: 0000000000000000 R09: 0000000000000000 [ 33.329753][ T821] R10: 0000000000000000 R11: 0000000000000202 R12: 000000001a815200 [ 33.329754][ T821] R13: 00007ffc95b8ff70 R14: 000000001a816260 R15: 000000000040bda8 | [ 38.492762][ T10] softirqs last disabled at (28928): ovpn_peer_keepalive_work (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1449) ovpn | [ 38.492765][ T10] Preemption disabled at: | [ 38.492765][ T10] 0x0 | [ 38.492776][ T10] Tainted: [W]=WARN [ 38.492777][ T10] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 38.492780][ T10] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 38.492784][ T10] Call Trace: [ 38.492786][ T10] [ 38.492788][ T10] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 38.492794][ T10] __might_resched.cold (kernel/sched/core.c:9234) [ 38.492799][ T10] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 38.492802][ T10] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 38.492808][ T10] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 38.492810][ T10] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 38.492816][ T10] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 38.492819][ T10] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 38.492822][ T10] put_chars (drivers/char/virtio_console.c:1176) [ 38.492825][ T10] ? __send_to_port (drivers/char/virtio_console.c:654) [ 38.492830][ T10] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 38.492833][ T10] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 38.492837][ T10] ? mark_usage (kernel/locking/lockdep.c:4690) [ 38.492839][ T10] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.492840][ T10] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.492844][ T10] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 38.492846][ T10] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 38.492849][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.492853][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.492857][ T10] console_emit_next_record (kernel/printk/printk.c:3183) [ 38.492861][ T10] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 38.492863][ T10] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 38.492866][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.492868][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.492872][ T10] console_flush_one_record (kernel/printk/printk.c:3268) [ 38.492876][ T10] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 38.492878][ T10] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.492883][ T10] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 38.492890][ T10] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 38.492892][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.492894][ T10] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 38.492898][ T10] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 38.492900][ T10] ? vprintk_emit (kernel/printk/printk.c:2478) [ 38.492903][ T10] vprintk_emit (kernel/printk/printk.c:2479) [ 38.492907][ T10] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 38.492910][ T10] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 38.492911][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.492915][ T10] _printk (kernel/printk/printk.c:2504) [ 38.492919][ T10] ? snapshot_read.cold (user.c:?) [ 38.492922][ T10] ? __add_to_free_list (mm/page_alloc.c:447 mm/page_alloc.c:801) [ 38.492924][ T10] ? __mod_zone_page_state (mm/vmstat.c:371) [ 38.492927][ T10] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 38.492931][ T10] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 38.492934][ T10] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 38.492936][ T10] ? netdev_notice (net/core/dev.c:13194) [ 38.492938][ T10] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 38.492943][ T10] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 38.492946][ T10] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 38.492950][ T10] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 38.492955][ T10] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 38.492962][ T10] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 38.492966][ T10] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 38.492969][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 38.492971][ T10] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 38.492975][ T10] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn [ 38.492979][ T10] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn [ 38.492982][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 38.492987][ T10] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1396 drivers/net/ovpn/peer.c:1452) ovpn [ 38.492992][ T10] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 38.492994][ T10] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn [ 38.492997][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.493000][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.493001][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.493005][ T10] process_one_work (kernel/workqueue.c:3387) [ 38.493012][ T10] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 38.493014][ T10] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 38.493022][ T10] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 38.493026][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 38.493028][ T10] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 38.493031][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 38.493034][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 38.493036][ T10] kthread (kernel/kthread.c:436) [ 38.493038][ T10] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 38.493041][ T10] ? kthread_affine_preferred (kernel/kthread.c:857) [ 38.493043][ T10] ret_from_fork (arch/x86/kernel/process.c:158) [ 38.493048][ T10] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 38.493051][ T10] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 38.493054][ T10] ? kthread_affine_preferred (kernel/kthread.c:857) [ 38.493057][ T10] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 39.580467][ T10] softirqs last disabled at (29490): ovpn_peer_keepalive_work (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1449) ovpn | [ 39.580470][ T10] Preemption disabled at: | [ 39.580471][ T10] 0x0 | [ 39.580481][ T10] Tainted: [W]=WARN [ 39.580481][ T10] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 39.580483][ T10] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 39.580488][ T10] Call Trace: [ 39.580490][ T10] [ 39.580491][ T10] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 39.580497][ T10] __might_resched.cold (kernel/sched/core.c:9234) [ 39.580501][ T10] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 39.580505][ T10] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 39.580510][ T10] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 39.580512][ T10] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 39.580518][ T10] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 39.580520][ T10] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 39.580523][ T10] put_chars (drivers/char/virtio_console.c:1176) [ 39.580526][ T10] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 39.580528][ T10] ? __send_to_port (drivers/char/virtio_console.c:654) [ 39.580531][ T10] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 39.580535][ T10] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 39.580537][ T10] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 39.580541][ T10] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 39.580544][ T10] ? mark_usage (kernel/locking/lockdep.c:4690) [ 39.580546][ T10] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.580547][ T10] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.580551][ T10] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 39.580553][ T10] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 39.580556][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.580559][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.580562][ T10] console_emit_next_record (kernel/printk/printk.c:3183) [ 39.580566][ T10] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 39.580568][ T10] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 39.580571][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.580573][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.580577][ T10] console_flush_one_record (kernel/printk/printk.c:3268) [ 39.580581][ T10] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 39.580583][ T10] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.580588][ T10] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 39.580591][ T10] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 39.580592][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.580595][ T10] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 39.580598][ T10] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 39.580600][ T10] ? vprintk_emit (kernel/printk/printk.c:2478) [ 39.580603][ T10] vprintk_emit (kernel/printk/printk.c:2479) [ 39.580607][ T10] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 39.580610][ T10] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 39.580611][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.580615][ T10] _printk (kernel/printk/printk.c:2504) [ 39.580619][ T10] ? snapshot_read.cold (user.c:?) [ 39.580622][ T10] ? __add_to_free_list (mm/page_alloc.c:447 mm/page_alloc.c:801) [ 39.580624][ T10] ? __mod_zone_page_state (mm/vmstat.c:371) [ 39.580627][ T10] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 39.580630][ T10] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 39.580634][ T10] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 39.580636][ T10] ? netdev_notice (net/core/dev.c:13194) [ 39.580637][ T10] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 39.580641][ T10] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.580644][ T10] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 39.580646][ T10] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 39.580650][ T10] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 39.580655][ T10] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 39.580661][ T10] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 39.580665][ T10] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 39.580668][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 39.580670][ T10] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 39.580674][ T10] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn [ 39.580678][ T10] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn [ 39.580681][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 39.580686][ T10] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1396 drivers/net/ovpn/peer.c:1452) ovpn [ 39.580690][ T10] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 39.580692][ T10] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn [ 39.580696][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.580698][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.580699][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.580703][ T10] process_one_work (kernel/workqueue.c:3387) [ 39.580709][ T10] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 39.580712][ T10] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 39.580720][ T10] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 39.580724][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 39.580726][ T10] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 39.580729][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 39.580732][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 39.580734][ T10] kthread (kernel/kthread.c:436) [ 39.580736][ T10] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 39.580739][ T10] ? kthread_affine_preferred (kernel/kthread.c:857) [ 39.580741][ T10] ret_from_fork (arch/x86/kernel/process.c:158) [ 39.580745][ T10] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 39.580748][ T10] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 39.580751][ T10] ? kthread_affine_preferred (kernel/kthread.c:857) [ 39.580754][ T10] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 44.702011][ T57] softirqs last disabled at (36606): ovpn_peer_keepalive_work (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1449) ovpn | [ 44.702015][ T57] Preemption disabled at: | [ 44.702015][ T57] 0x0 | [ 44.702026][ T57] Tainted: [W]=WARN [ 44.702027][ T57] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 44.702030][ T57] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 44.702034][ T57] Call Trace: [ 44.702036][ T57] [ 44.702038][ T57] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 44.702044][ T57] __might_resched.cold (kernel/sched/core.c:9234) [ 44.702048][ T57] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 44.702052][ T57] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 44.702057][ T57] __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)) [ 44.702060][ T57] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 44.702065][ T57] ? 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) [ 44.702068][ T57] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 44.702072][ T57] put_chars (drivers/char/virtio_console.c:1176) [ 44.702074][ T57] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 44.702076][ T57] ? __send_to_port (drivers/char/virtio_console.c:654) [ 44.702079][ T57] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 44.702083][ T57] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 44.702085][ T57] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 44.702089][ T57] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 44.702092][ T57] ? mark_usage (kernel/locking/lockdep.c:4690) [ 44.702094][ T57] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.702095][ T57] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.702099][ T57] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 44.702101][ T57] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 44.702105][ T57] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.702107][ T57] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.702111][ T57] console_emit_next_record (kernel/printk/printk.c:3183) [ 44.702115][ T57] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 44.702117][ T57] ? 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)) [ 44.702120][ T57] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.702123][ T57] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.702126][ T57] console_flush_one_record (kernel/printk/printk.c:3268) [ 44.702131][ T57] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 44.702133][ T57] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.702138][ T57] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 44.702140][ T57] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 44.702142][ T57] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.702145][ T57] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 44.702148][ T57] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 44.702150][ T57] ? vprintk_emit (kernel/printk/printk.c:2478) [ 44.702153][ T57] vprintk_emit (kernel/printk/printk.c:2479) [ 44.702157][ T57] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 44.702160][ T57] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 44.702164][ T57] _printk (kernel/printk/printk.c:2504) [ 44.702167][ T57] ? snapshot_read.cold (user.c:?) [ 44.702169][ T57] ? try_to_wake_up (./include/linux/preempt.h:500 (discriminator 1) kernel/sched/core.c:4263 (discriminator 1)) [ 44.702172][ T57] ? select_fallback_rq (kernel/sched/sched.h:1424) [ 44.702174][ T57] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 44.702177][ T57] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 44.702181][ T57] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 44.702183][ T57] ? netdev_notice (net/core/dev.c:13194) [ 44.702188][ T57] ? __queue_work (./include/linux/rcupdate.h:882 kernel/workqueue.c:2459) [ 44.702193][ T57] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 44.702198][ T57] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 44.702201][ T57] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 44.702204][ T57] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 44.702206][ T57] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 44.702211][ T57] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 44.702215][ T57] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 44.702218][ T57] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 44.702221][ T57] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 44.702225][ T57] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn [ 44.702229][ T57] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn [ 44.702232][ T57] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 44.702237][ T57] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1423 drivers/net/ovpn/peer.c:1456) ovpn [ 44.702241][ T57] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 44.702244][ T57] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn [ 44.702247][ T57] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.702249][ T57] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.702251][ T57] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.702255][ T57] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 44.702256][ T57] process_one_work (kernel/workqueue.c:3387) [ 44.702262][ T57] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 44.702265][ T57] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 44.702273][ T57] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 44.702277][ T57] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 44.702279][ T57] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 44.702282][ T57] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 44.702285][ T57] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 44.702287][ T57] kthread (kernel/kthread.c:436) [ 44.702289][ T57] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 44.702292][ T57] ? kthread_affine_preferred (kernel/kthread.c:857) [ 44.702294][ T57] ret_from_fork (arch/x86/kernel/process.c:158) [ 44.702298][ T57] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 44.702302][ T57] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 44.702305][ T57] ? 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