====================================== | [ 10.754762][ T209] softirqs last disabled at (34205): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.754764][ T209] Preemption disabled at: | [ 10.754765][ T209] 0x0 | [ 10.754775][ T209] Tainted: [W]=WARN [ 10.754776][ T209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.754777][ T209] Call Trace: [ 10.754779][ T209] [ 10.754780][ T209] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.754787][ T209] __might_resched.cold (kernel/sched/core.c:9234) [ 10.754792][ T209] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.754796][ T209] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.754801][ T209] __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)) [ 10.754802][ T209] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.754809][ T209] ? 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) [ 10.754812][ T209] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.754816][ T209] put_chars (drivers/char/virtio_console.c:1176) [ 10.754818][ T209] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.754819][ T209] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.754823][ T209] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.754828][ T209] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.754837][ T209] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.754839][ T209] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.754841][ T209] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.754845][ T209] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.754849][ T209] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.754851][ T209] ? 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)) [ 10.754854][ T209] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.754856][ T209] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.754860][ T209] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.754864][ T209] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.754866][ T209] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.754871][ T209] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.754874][ T209] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.754876][ T209] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.754877][ T209] ? 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) [ 10.754881][ T209] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.754883][ T209] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.754886][ T209] vprintk_emit (kernel/printk/printk.c:2479) [ 10.754889][ T209] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.754892][ T209] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.754895][ T209] _printk (kernel/printk/printk.c:2504) [ 10.754899][ T209] ? snapshot_read.cold (user.c:?) [ 10.754901][ T209] ? 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) [ 10.754904][ T209] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.754908][ T209] ? 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) [ 10.754911][ T209] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.754915][ T209] ? exit_notify (kernel/exit.c:780) [ 10.754916][ T209] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.754919][ T209] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.754922][ T209] do_group_exit (kernel/exit.c:1151) [ 10.754925][ T209] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.754927][ T209] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.754929][ T209] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.754933][ T209] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.754936][ T209] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.754938][ T209] RIP: 0033:0x7f1e2aa671b8 [ 10.754941][ T209] Code: Unable to access opcode bytes at 0x7f1e2aa6718e. Code starting with the faulting instruction =========================================== [ 10.754942][ T209] RSP: 002b:00007ffc8360be28 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.754944][ T209] RAX: ffffffffffffffda RBX: 00007f1e2ab97f88 RCX: 00007f1e2aa671b8 [ 10.754945][ T209] RDX: 00007f1e2a7b1fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.754946][ T209] RBP: 00007ffc8360be80 R08: 0000000000000000 R09: 0000000000008010 [ 10.754947][ T209] R10: 00007ffc8360bc40 R11: 0000000000000246 R12: 0000000000000001 [ 10.754948][ T209] R13: 0000000000000000 R14: 00007f1e2ab96680 R15: 00007f1e2ab97fa0 | [ 13.938033][ T12] softirqs last disabled at (41466): __netdev_work_core_cancel (./include/linux/spinlock.h:353 net/core/netdev_work.c:55 net/core/netdev_work.c:115) | [ 13.938035][ T12] Preemption disabled at: | [ 13.938036][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 13.938045][ T12] Tainted: [W]=WARN [ 13.938046][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.938048][ T12] Workqueue: netns cleanup_net [ 13.938051][ T12] Call Trace: [ 13.938053][ T12] [ 13.938055][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.938061][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 13.938062][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 13.938067][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.938071][ 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) [ 13.938076][ 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)) [ 13.938078][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.938085][ 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) [ 13.938088][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.938095][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 13.938099][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.938103][ T12] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 13.938108][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.938112][ T12] ? mark_usage (kernel/locking/lockdep.c:4690) [ 13.938114][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.938116][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.938120][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.938123][ T12] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 13.938126][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.938129][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.938133][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.938137][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.938139][ 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)) [ 13.938142][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.938144][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.938148][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.938152][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.938154][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.938160][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.938163][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.938165][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.938166][ 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) [ 13.938170][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.938172][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.938175][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 13.938178][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.938180][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.938183][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.938185][ T12] ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182) [ 13.938190][ T12] _printk (kernel/printk/printk.c:2504) [ 13.938193][ T12] ? snapshot_read.cold (user.c:?) [ 13.938197][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.938199][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 13.938203][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 13.938206][ T12] netdev_err (net/core/dev.c:13192 (discriminator 3)) [ 13.938209][ T12] ? netdev_crit (net/core/dev.c:13191) [ 13.938211][ T12] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 13.938217][ T12] ? netif_rx_mode_sync (net/core/dev_addr_lists.c:1410) [ 13.938219][ T12] ? dev_change_flags (net/core/dev_api.c:69) [ 13.938221][ T12] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 13.938224][ T12] vrf_dellink (drivers/net/vrf.c:1068 drivers/net/vrf.c:1629) [ 13.938229][ T12] ? vrf_map_unregister_dev (./include/linux/list.h:1045 (discriminator 2)) [ 13.938233][ T12] ? veth_dellink (./include/linux/netdevice.h:4548 ./include/linux/netdevice.h:4565 ./include/linux/netdevice.h:4561 drivers/net/veth.c:1967) [ 13.938236][ T12] default_device_exit_batch (net/core/dev.c:13280) [ 13.938240][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 13.938242][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.938245][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 13.938250][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 13.938253][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 13.938260][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 13.938261][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.938264][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 13.938269][ T12] cleanup_net (net/core/net_namespace.c:706) [ 13.938273][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 13.938276][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.938278][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.938282][ T12] process_one_work (kernel/workqueue.c:3387) [ 13.938289][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 13.938292][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.938299][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 13.938307][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 13.938309][ T12] kthread (kernel/kthread.c:436) [ 13.938311][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 13.938315][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 13.938318][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 13.938323][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 13.938326][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 13.938330][ 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