====================================== | [ 9.526844][ T203] softirqs last disabled at (34037): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.526847][ T203] Preemption disabled at: | [ 9.526847][ T203] 0x0 | [ 9.526857][ T203] Tainted: [W]=WARN [ 9.526858][ T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.526860][ T203] Call Trace: [ 9.526861][ T203] [ 9.526863][ T203] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.526869][ T203] __might_resched.cold (kernel/sched/core.c:9234) [ 9.526874][ T203] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.526877][ T203] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.526882][ T203] __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)) [ 9.526884][ T203] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.526890][ T203] ? 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) [ 9.526893][ T203] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.526896][ T203] put_chars (drivers/char/virtio_console.c:1176) [ 9.526899][ T203] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.526900][ T203] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.526903][ T203] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.526909][ T203] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.526916][ T203] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.526919][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.526921][ T203] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.526925][ T203] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.526929][ T203] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.526930][ T203] ? 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)) [ 9.526933][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.526935][ T203] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.526939][ T203] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.526943][ T203] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.526945][ T203] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.526950][ T203] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.526953][ T203] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.526955][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.526956][ T203] ? 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) [ 9.526960][ T203] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.526962][ T203] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.526964][ T203] vprintk_emit (kernel/printk/printk.c:2479) [ 9.526967][ T203] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.526970][ T203] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.526974][ T203] _printk (kernel/printk/printk.c:2504) [ 9.526977][ T203] ? snapshot_read.cold (user.c:?) [ 9.526980][ T203] ? 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) [ 9.526983][ T203] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.526986][ T203] ? 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) [ 9.526989][ T203] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.526993][ T203] ? exit_notify (kernel/exit.c:780) [ 9.526994][ T203] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.526997][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.527000][ T203] do_group_exit (kernel/exit.c:1151) [ 9.527003][ T203] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.527005][ T203] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.527007][ T203] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.527011][ T203] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.527014][ T203] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.527016][ T203] RIP: 0033:0x7fc261e741b8 [ 9.527018][ T203] Code: Unable to access opcode bytes at 0x7fc261e7418e. Code starting with the faulting instruction =========================================== [ 9.527019][ T203] RSP: 002b:00007ffee2b0ea08 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.527022][ T203] RAX: ffffffffffffffda RBX: 00007fc261fa4f88 RCX: 00007fc261e741b8 [ 9.527023][ T203] RDX: 00007fc261bbefc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.527024][ T203] RBP: 00007ffee2b0ea60 R08: 0000000000000000 R09: 0000000000000050 [ 9.527025][ T203] R10: 00007ffee2b0e820 R11: 0000000000000246 R12: 0000000000000001 [ 9.527026][ T203] R13: 0000000000000000 R14: 00007fc261fa3680 R15: 00007fc261fa4fa0 | [ 12.616976][ T12] softirqs last disabled at (28888): __netdev_work_core_cancel (./include/linux/spinlock.h:353 net/core/netdev_work.c:55 net/core/netdev_work.c:115) | [ 12.616978][ T12] Preemption disabled at: | [ 12.616979][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.616988][ T12] Tainted: [W]=WARN [ 12.616988][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.616990][ T12] Workqueue: netns cleanup_net [ 12.616994][ T12] Call Trace: [ 12.616995][ T12] [ 12.616997][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.617004][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.617005][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 12.617010][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.617014][ 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) [ 12.617019][ 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)) [ 12.617021][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.617027][ 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) [ 12.617030][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.617034][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 12.617037][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.617041][ T12] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 12.617045][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.617049][ T12] ? mark_usage (kernel/locking/lockdep.c:4690) [ 12.617051][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.617053][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.617057][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.617060][ T12] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 12.617063][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.617066][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.617070][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.617074][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.617076][ T12] ? 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)) [ 12.617079][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.617081][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.617085][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.617090][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.617091][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.617097][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.617100][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.617102][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.617104][ T12] ? 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) [ 12.617108][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.617109][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.617112][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 12.617115][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.617117][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.617120][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.617122][ T12] ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182) [ 12.617127][ T12] _printk (kernel/printk/printk.c:2504) [ 12.617130][ T12] ? snapshot_read.cold (user.c:?) [ 12.617135][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.617136][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 12.617140][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 12.617144][ T12] netdev_err (net/core/dev.c:13192 (discriminator 3)) [ 12.617147][ T12] ? netdev_crit (net/core/dev.c:13191) [ 12.617149][ T12] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 12.617155][ T12] ? netif_rx_mode_sync (net/core/dev_addr_lists.c:1410) [ 12.617157][ T12] ? dev_change_flags (net/core/dev_api.c:69) [ 12.617159][ T12] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 12.617162][ T12] vrf_dellink (drivers/net/vrf.c:1068 drivers/net/vrf.c:1629) [ 12.617166][ T12] ? vrf_map_unregister_dev (./include/linux/list.h:1045 (discriminator 2)) [ 12.617170][ T12] ? veth_dellink (./include/linux/netdevice.h:4548 ./include/linux/netdevice.h:4565 ./include/linux/netdevice.h:4561 drivers/net/veth.c:1967) [ 12.617174][ T12] default_device_exit_batch (net/core/dev.c:13280) [ 12.617178][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 12.617180][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.617183][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 12.617188][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 12.617191][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 12.617195][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 12.617197][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.617200][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 12.617205][ T12] cleanup_net (net/core/net_namespace.c:706) [ 12.617208][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 12.617212][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.617214][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.617217][ T12] process_one_work (kernel/workqueue.c:3387) [ 12.617224][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 12.617227][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.617235][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 12.617242][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 12.617244][ T12] kthread (kernel/kthread.c:436) [ 12.617247][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 12.617250][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 12.617253][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 12.617257][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 12.617261][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 12.617264][ T12] ? 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