====================================== | [ 9.118641][ T198] softirqs last disabled at (19985): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.118644][ T198] Preemption disabled at: | [ 9.118644][ T198] 0x0 | [ 9.118655][ T198] Tainted: [W]=WARN [ 9.118656][ T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.118658][ T198] Call Trace: [ 9.118659][ T198] [ 9.118660][ T198] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.118667][ T198] __might_resched.cold (kernel/sched/core.c:9234) [ 9.118672][ T198] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.118675][ 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) [ 9.118680][ 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)) [ 9.118682][ T198] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.118688][ 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) [ 9.118691][ T198] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.118695][ T198] put_chars (drivers/char/virtio_console.c:1176) [ 9.118697][ T198] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.118698][ T198] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.118702][ T198] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.118707][ T198] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.118715][ T198] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.118718][ T198] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.118720][ T198] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.118724][ T198] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.118727][ T198] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.118729][ 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)) [ 9.118732][ T198] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.118734][ T198] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.118738][ T198] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.118742][ T198] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.118744][ T198] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.118750][ T198] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.118752][ T198] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.118754][ T198] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.118756][ T198] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 9.118759][ T198] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.118761][ T198] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.118764][ T198] vprintk_emit (kernel/printk/printk.c:2479) [ 9.118767][ T198] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.118770][ T198] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.118774][ T198] _printk (kernel/printk/printk.c:2504) [ 9.118778][ T198] ? snapshot_read.cold (user.c:?) [ 9.118780][ 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) [ 9.118783][ T198] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.118787][ 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) [ 9.118789][ T198] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.118793][ T198] ? exit_notify (kernel/exit.c:780) [ 9.118794][ T198] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.118797][ T198] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.118801][ T198] do_group_exit (kernel/exit.c:1151) [ 9.118804][ T198] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.118805][ T198] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.118808][ T198] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.118812][ T198] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.118815][ T198] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.118817][ T198] RIP: 0033:0x7f90292be1b8 [ 9.118819][ T198] Code: Unable to access opcode bytes at 0x7f90292be18e. Code starting with the faulting instruction =========================================== [ 9.118820][ T198] RSP: 002b:00007ffd9d956cd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.118822][ T198] RAX: ffffffffffffffda RBX: 00007f90293eef88 RCX: 00007f90292be1b8 [ 9.118824][ T198] RDX: 00007f9029008fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.118825][ T198] RBP: 00007ffd9d956d30 R08: 0000000000000000 R09: 0000000000000050 [ 9.118826][ T198] R10: 00007ffd9d956af0 R11: 0000000000000246 R12: 0000000000000001 [ 9.118826][ T198] R13: 0000000000000000 R14: 00007f90293ed680 R15: 00007f90293eefa0 | [ 12.278880][ T71] softirqs last disabled at (22906): __netdev_work_core_cancel (./include/linux/spinlock.h:353 net/core/netdev_work.c:55 net/core/netdev_work.c:115) | [ 12.278882][ T71] Preemption disabled at: | [ 12.278883][ T71] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.278891][ T71] Tainted: [W]=WARN [ 12.278892][ T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.278894][ T71] Workqueue: netns cleanup_net [ 12.278897][ T71] Call Trace: [ 12.278899][ T71] [ 12.278900][ T71] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.278906][ T71] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.278908][ T71] __might_resched.cold (kernel/sched/core.c:9234) [ 12.278913][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.278917][ T71] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.278921][ T71] __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)) [ 12.278923][ T71] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.278930][ T71] ? 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) [ 12.278933][ T71] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.278936][ T71] put_chars (drivers/char/virtio_console.c:1176) [ 12.278939][ T71] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.278943][ T71] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 12.278947][ T71] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.278951][ T71] ? mark_usage (kernel/locking/lockdep.c:4690) [ 12.278953][ T71] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.278955][ T71] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.278959][ T71] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.278961][ T71] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 12.278965][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.278967][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.278971][ T71] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.278975][ T71] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.278977][ T71] ? 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)) [ 12.278980][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.278982][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.278986][ T71] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.278990][ T71] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.278992][ T71] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.278998][ T71] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.279001][ T71] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.279002][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.279004][ T71] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 12.279008][ T71] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.279010][ T71] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.279012][ T71] vprintk_emit (kernel/printk/printk.c:2479) [ 12.279015][ T71] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.279017][ T71] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.279020][ T71] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.279022][ T71] ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182) [ 12.279027][ T71] _printk (kernel/printk/printk.c:2504) [ 12.279030][ T71] ? snapshot_read.cold (user.c:?) [ 12.279035][ T71] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.279036][ T71] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 12.279040][ T71] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 12.279044][ T71] netdev_err (net/core/dev.c:13192 (discriminator 3)) [ 12.279046][ T71] ? netdev_crit (net/core/dev.c:13191) [ 12.279049][ T71] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 12.279054][ T71] ? netif_rx_mode_sync (net/core/dev_addr_lists.c:1410) [ 12.279056][ T71] ? dev_change_flags (net/core/dev_api.c:69) [ 12.279059][ T71] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 12.279062][ T71] vrf_dellink (drivers/net/vrf.c:1068 drivers/net/vrf.c:1629) [ 12.279066][ T71] ? vrf_map_unregister_dev (./include/linux/list.h:1045 (discriminator 2)) [ 12.279070][ T71] ? veth_dellink (./include/linux/netdevice.h:4548 ./include/linux/netdevice.h:4565 ./include/linux/netdevice.h:4561 drivers/net/veth.c:1967) [ 12.279073][ T71] default_device_exit_batch (net/core/dev.c:13280) [ 12.279077][ T71] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 12.279079][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.279082][ T71] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 12.279087][ T71] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 12.279090][ T71] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 12.279094][ T71] ? netns_install (./include/linux/ns_common.h:26) [ 12.279096][ T71] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.279099][ T71] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 12.279104][ T71] cleanup_net (net/core/net_namespace.c:706) [ 12.279107][ T71] ? net_passive_dec (./include/linux/llist.h:241) [ 12.279110][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.279112][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.279116][ T71] process_one_work (kernel/workqueue.c:3387) [ 12.279122][ T71] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 12.279125][ T71] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.279135][ T71] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 12.279139][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 12.279142][ T71] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 12.279144][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 12.279147][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 12.279149][ T71] kthread (kernel/kthread.c:436) [ 12.279152][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 12.279155][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 12.279158][ T71] ret_from_fork (arch/x86/kernel/process.c:158) [ 12.279162][ T71] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 12.279166][ T71] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 12.279169][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: __netdev_work_core_cancel:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print