====================================== | [ 8.769779][ T183] softirqs last disabled at (32805): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 8.769781][ T183] Preemption disabled at: | [ 8.769782][ T183] 0x0 | [ 8.769791][ T183] Tainted: [W]=WARN [ 8.769792][ T183] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8.769794][ T183] Call Trace: [ 8.769795][ T183] [ 8.769797][ T183] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 8.769803][ T183] __might_resched.cold (kernel/sched/core.c:9234) [ 8.769807][ T183] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 8.769811][ T183] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 8.769816][ T183] __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)) [ 8.769818][ T183] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.769824][ T183] ? 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) [ 8.769826][ T183] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.769830][ T183] put_chars (drivers/char/virtio_console.c:1176) [ 8.769833][ T183] ? __send_to_port (drivers/char/virtio_console.c:654) [ 8.769834][ T183] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 8.769839][ T183] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 8.769844][ T183] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 8.769851][ T183] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 8.769853][ T183] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.769855][ T183] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.769859][ T183] console_emit_next_record (kernel/printk/printk.c:3183) [ 8.769863][ T183] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 8.769865][ T183] ? 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)) [ 8.769868][ T183] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.769870][ T183] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.769874][ T183] console_flush_one_record (kernel/printk/printk.c:3268) [ 8.769878][ T183] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 8.769879][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.769884][ T183] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 8.769887][ T183] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 8.769889][ T183] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.769891][ T183] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 8.769894][ T183] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 8.769896][ T183] ? vprintk_emit (kernel/printk/printk.c:2478) [ 8.769900][ T183] vprintk_emit (kernel/printk/printk.c:2479) [ 8.769903][ T183] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 8.769907][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.769910][ T183] _printk (kernel/printk/printk.c:2504) [ 8.769914][ T183] ? snapshot_read.cold (user.c:?) [ 8.769916][ T183] ? 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) [ 8.769919][ T183] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 8.769922][ T183] ? 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) [ 8.769925][ T183] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 8.769929][ T183] ? exit_notify (kernel/exit.c:780) [ 8.769930][ T183] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 8.769933][ T183] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.769937][ T183] do_group_exit (kernel/exit.c:1151) [ 8.769940][ T183] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 8.769941][ T183] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 8.769944][ T183] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 8.769948][ T183] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 8.769951][ T183] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 8.769953][ T183] RIP: 0033:0x7fc333ed71b8 [ 8.769955][ T183] Code: Unable to access opcode bytes at 0x7fc333ed718e. Code starting with the faulting instruction =========================================== [ 8.769956][ T183] RSP: 002b:00007ffcefbbce88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 8.769959][ T183] RAX: ffffffffffffffda RBX: 00007fc334007f88 RCX: 00007fc333ed71b8 [ 8.769960][ T183] RDX: 00007fc333c21fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 8.769961][ T183] RBP: 00007ffcefbbcee0 R08: 0000000000000000 R09: 0000000000000050 [ 8.769962][ T183] R10: 00007ffcefbbcca0 R11: 0000000000000246 R12: 0000000000000001 [ 8.769963][ T183] R13: 0000000000000000 R14: 00007fc334006680 R15: 00007fc334007fa0 | [ 16.101481][ T68] softirqs last disabled at (9082): release_sock (./include/linux/spinlock.h:353 net/core/sock.c:3858) | [ 16.101484][ T68] Preemption disabled at: | [ 16.101485][ T68] vprintk_emit (kernel/printk/printk.c:2471) | [ 16.101496][ T68] Tainted: [W]=WARN [ 16.101498][ T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.101499][ T68] Workqueue: netns cleanup_net [ 16.101503][ T68] Call Trace: [ 16.101504][ T68] [ 16.101506][ T68] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 16.101512][ T68] ? vprintk_emit (kernel/printk/printk.c:2471) [ 16.101515][ T68] __might_resched.cold (kernel/sched/core.c:9234) [ 16.101519][ T68] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 16.101523][ T68] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 16.101528][ T68] __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)) [ 16.101530][ T68] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.101536][ T68] ? 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) [ 16.101538][ T68] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.101542][ T68] put_chars (drivers/char/virtio_console.c:1176) [ 16.101544][ T68] ? check_prev_add (kernel/locking/lockdep.c:3185) [ 16.101546][ T68] ? __send_to_port (drivers/char/virtio_console.c:654) [ 16.101549][ T68] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 16.101554][ T68] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 16.101561][ T68] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 16.101563][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.101567][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.101571][ T68] console_emit_next_record (kernel/printk/printk.c:3183) [ 16.101575][ T68] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 16.101577][ T68] ? 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)) [ 16.101580][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.101582][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.101586][ T68] console_flush_one_record (kernel/printk/printk.c:3268) [ 16.101591][ T68] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 16.101592][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.101598][ T68] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 16.101600][ T68] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 16.101602][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.101605][ T68] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 16.101608][ T68] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 16.101610][ T68] ? vprintk_emit (kernel/printk/printk.c:2478) [ 16.101613][ T68] vprintk_emit (kernel/printk/printk.c:2479) [ 16.101617][ T68] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 16.101620][ T68] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 16.101621][ T68] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 16.101624][ T68] ? finish_task_switch.isra.0 (kernel/sched/sched.h:1698 kernel/sched/core.c:5251 kernel/sched/core.c:5369) [ 16.101626][ T68] ? finish_task_switch.isra.0 (kernel/sched/sched.h:1698 kernel/sched/core.c:5251 kernel/sched/core.c:5369) [ 16.101629][ T68] _printk (kernel/printk/printk.c:2504) [ 16.101633][ T68] ? snapshot_read.cold (user.c:?) [ 16.101636][ T68] ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985) [ 16.101639][ T68] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 16.101642][ T68] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 16.101646][ T68] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 16.101648][ T68] ? netdev_notice (net/core/dev.c:13194) [ 16.101651][ T68] ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985) [ 16.101653][ T68] ? netif_set_mtu_ext (net/core/dev.c:9910 (discriminator 2)) [ 16.101655][ T68] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 16.101659][ T68] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 16.101662][ T68] __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3)) [ 16.101665][ T68] ? sync_rcu_exp_select_cpus (./include/linux/list.h:54 (discriminator 2)) [ 16.101668][ T68] netif_set_promiscuity (net/core/dev.c:9699) [ 16.101672][ T68] dev_set_promiscuity (net/core/dev_api.c:288) [ 16.101675][ T68] hsr_del_port (net/hsr/hsr_slave.c:244) [ 16.101680][ T68] hsr_del_ports (net/hsr/hsr_device.c:498) [ 16.101682][ T68] hsr_dellink (net/hsr/hsr_netlink.c:141) [ 16.101685][ T68] default_device_exit_batch (net/core/dev.c:13280) [ 16.101688][ T68] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 16.101690][ T68] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 16.101693][ T68] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 16.101697][ T68] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 16.101700][ T68] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 16.101702][ T68] ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098) [ 16.101704][ T68] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.101707][ T68] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 16.101712][ T68] cleanup_net (net/core/net_namespace.c:706) [ 16.101715][ T68] ? net_passive_dec (./include/linux/llist.h:241) [ 16.101719][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.101720][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.101724][ T68] process_one_work (kernel/workqueue.c:3387) [ 16.101731][ T68] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 16.101734][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.101741][ T68] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 16.101745][ T68] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 16.101747][ T68] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 16.101750][ T68] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 16.101753][ T68] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 16.101755][ T68] kthread (kernel/kthread.c:436) [ 16.101757][ T68] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 16.101760][ T68] ? kthread_affine_preferred (kernel/kthread.c:857) [ 16.101763][ T68] ret_from_fork (arch/x86/kernel/process.c:158) [ 16.101767][ T68] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 16.101770][ T68] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 16.101773][ T68] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print release_sock:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars