====================================== | [ 9.096063][ T181] softirqs last disabled at (27595): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.096065][ T181] Preemption disabled at: | [ 9.096066][ T181] 0x0 | [ 9.096077][ T181] Tainted: [W]=WARN [ 9.096077][ T181] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.096079][ T181] Call Trace: [ 9.096081][ T181] [ 9.096083][ T181] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.096088][ T181] __might_resched.cold (kernel/sched/core.c:9234) [ 9.096093][ T181] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.096096][ T181] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.096101][ T181] __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)) [ 9.096104][ T181] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.096110][ T181] ? 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) [ 9.096112][ T181] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.096115][ T181] put_chars (drivers/char/virtio_console.c:1176) [ 9.096119][ T181] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.096121][ T181] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 9.096123][ T181] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 9.096127][ T181] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.096132][ T181] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.096136][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.096138][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.096142][ T181] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.096145][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.096148][ T181] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.096152][ T181] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.096155][ T181] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.096159][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.096161][ T181] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.096165][ T181] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.096169][ T181] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.096170][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.096175][ T181] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.096178][ T181] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.096179][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.096181][ T181] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.096185][ T181] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.096187][ T181] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.096189][ T181] vprintk_emit (kernel/printk/printk.c:2479) [ 9.096192][ T181] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.096195][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.096199][ T181] _printk (kernel/printk/printk.c:2504) [ 9.096203][ T181] ? snapshot_read.cold (user.c:?) [ 9.096205][ T181] ? 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) [ 9.096207][ T181] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.096210][ T181] ? 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) [ 9.096213][ T181] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.096216][ T181] ? exit_notify (kernel/exit.c:780) [ 9.096218][ T181] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.096221][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.096224][ T181] do_group_exit (kernel/exit.c:1151) [ 9.096227][ T181] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.096229][ T181] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.096232][ T181] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.096234][ T181] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.096237][ T181] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.096240][ T181] RIP: 0033:0x7fdd0f00c1b8 [ 9.096242][ T181] Code: Unable to access opcode bytes at 0x7fdd0f00c18e. Code starting with the faulting instruction =========================================== [ 9.096243][ T181] RSP: 002b:00007ffc39353de8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.096245][ T181] RAX: ffffffffffffffda RBX: 00007fdd0f13cf88 RCX: 00007fdd0f00c1b8 [ 9.096246][ T181] RDX: 00007fdd0ed56fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.096247][ T181] RBP: 00007ffc39353e40 R08: 0000000000000000 R09: 0000000000000050 [ 9.096248][ T181] R10: 00007ffc39353c00 R11: 0000000000000246 R12: 0000000000000001 [ 9.096249][ T181] R13: 0000000000000000 R14: 00007fdd0f13b680 R15: 00007fdd0f13cfa0 | [ 10.514393][ T12] softirqs last disabled at (3342): fib6_run_gc (./include/linux/spinlock.h:431 net/ipv6/ip6_fib.c:2437) | [ 10.514395][ T12] Preemption disabled at: | [ 10.514396][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.514404][ T12] Tainted: [W]=WARN [ 10.514405][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.514407][ T12] Workqueue: netns cleanup_net [ 10.514410][ T12] Call Trace: [ 10.514412][ T12] [ 10.514414][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.514419][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.514421][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 10.514425][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.514429][ T12] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.514434][ T12] __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)) [ 10.514437][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.514443][ T12] ? 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) [ 10.514445][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.514449][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 10.514452][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.514454][ T12] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929) [ 10.514458][ T12] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 10.514463][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.514467][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.514468][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.514474][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.514475][ T12] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 10.514478][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.514481][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.514486][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.514489][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.514493][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.514495][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.514499][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.514503][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.514504][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.514510][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.514512][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.514513][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.514515][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.514519][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.514521][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.514524][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 10.514527][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.514529][ T12] ? unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518) [ 10.514532][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.514534][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.514535][ T12] ? look_up_lock_class (kernel/locking/lockdep.c:949 (discriminator 5)) [ 10.514538][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.514543][ T12] _printk (kernel/printk/printk.c:2504) [ 10.514547][ T12] ? snapshot_read.cold (user.c:?) [ 10.514550][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.514553][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 10.514556][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 10.514559][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 10.514561][ T12] ? netdev_notice (net/core/dev.c:13194) [ 10.514566][ T12] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 10.514568][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 10.514569][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 10.514572][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 10.514574][ T12] ? kvfree_call_rcu (mm/slab_common.c:1509 (discriminator 3) mm/slab_common.c:2081 (discriminator 3)) [ 10.514579][ T12] team_port_del (drivers/net/team/team_core.c:1468) [ 10.514585][ T12] team_device_event (drivers/net/team/team_core.c:2131 drivers/net/team/team_core.c:3192) [ 10.514587][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.514589][ T12] notifier_call_chain (kernel/notifier.c:85) [ 10.514595][ T12] unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518) [ 10.514600][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 10.514602][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 10.514604][ T12] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3206 (discriminator 6)) [ 10.514608][ T12] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 10.514611][ T12] ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:154 (discriminator 1) net/ipv4/nexthop.c:4172 (discriminator 1)) [ 10.514616][ T12] ops_undo_list (net/core/net_namespace.c:188 net/core/net_namespace.c:249) [ 10.514621][ T12] ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098) [ 10.514622][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.514628][ T12] cleanup_net (net/core/net_namespace.c:706) [ 10.514630][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 10.514634][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.514636][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.514639][ T12] process_one_work (kernel/workqueue.c:3387) [ 10.514645][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 10.514648][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.514656][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 10.514662][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 10.514664][ T12] kthread (kernel/kthread.c:436) [ 10.514666][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.514669][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 10.514673][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 10.514677][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 10.514680][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 10.514683][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print fib6_run_gc:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars