====================================== | [ 11.345849][ T203] softirqs last disabled at (27319): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.345852][ T203] Preemption disabled at: | [ 11.345853][ T203] 0x0 | [ 11.345866][ T203] Tainted: [W]=WARN [ 11.345867][ T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.345869][ T203] Call Trace: [ 11.345871][ T203] [ 11.345872][ T203] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.345881][ T203] __might_resched.cold (kernel/sched/core.c:9234) [ 11.345887][ T203] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.345892][ 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) [ 11.345898][ 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)) [ 11.345901][ T203] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.345910][ 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) [ 11.345913][ T203] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.345919][ T203] put_chars (drivers/char/virtio_console.c:1176) [ 11.345922][ T203] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.345924][ T203] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.345929][ T203] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.345938][ T203] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.345949][ T203] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.345953][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.345956][ T203] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.345962][ T203] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.345968][ T203] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.345971][ 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)) [ 11.345976][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.345978][ T203] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.345985][ T203] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.345991][ T203] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.345993][ T203] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.346002][ T203] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.346006][ T203] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.346008][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.346011][ 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) [ 11.346017][ T203] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.346019][ T203] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.346024][ T203] vprintk_emit (kernel/printk/printk.c:2479) [ 11.346029][ T203] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.346033][ T203] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.346039][ T203] _printk (kernel/printk/printk.c:2504) [ 11.346044][ T203] ? snapshot_read.cold (user.c:?) [ 11.346048][ 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) [ 11.346052][ T203] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.346058][ 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) [ 11.346062][ T203] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.346067][ T203] ? exit_notify (kernel/exit.c:780) [ 11.346069][ T203] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.346073][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.346079][ T203] do_group_exit (kernel/exit.c:1151) [ 11.346083][ T203] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.346086][ T203] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.346089][ T203] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.346093][ T203] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.346098][ T203] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.346100][ T203] RIP: 0033:0x7f536b1d21b8 [ 11.346103][ T203] Code: Unable to access opcode bytes at 0x7f536b1d218e. Code starting with the faulting instruction =========================================== [ 11.346105][ T203] RSP: 002b:00007ffccb888cc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.346108][ T203] RAX: ffffffffffffffda RBX: 00007f536b302f88 RCX: 00007f536b1d21b8 [ 11.346110][ T203] RDX: 00007f536af1cfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.346111][ T203] RBP: 00007ffccb888d20 R08: 0000000000000000 R09: 0000000000000050 [ 11.346112][ T203] R10: 00007ffccb888ae0 R11: 0000000000000246 R12: 0000000000000001 [ 11.346114][ T203] R13: 0000000000000000 R14: 00007f536b301680 R15: 00007f536b302fa0 | [ 15.139601][ T72] softirqs last disabled at (25264): __netdev_work_core_cancel (./include/linux/spinlock.h:353 net/core/netdev_work.c:55 net/core/netdev_work.c:115) | [ 15.139603][ T72] Preemption disabled at: | [ 15.139603][ T72] vprintk_emit (kernel/printk/printk.c:2471) | [ 15.139612][ T72] Tainted: [W]=WARN [ 15.139613][ T72] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.139615][ T72] Workqueue: netns cleanup_net [ 15.139618][ T72] Call Trace: [ 15.139620][ T72] [ 15.139622][ T72] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.139628][ T72] ? vprintk_emit (kernel/printk/printk.c:2471) [ 15.139630][ T72] __might_resched.cold (kernel/sched/core.c:9234) [ 15.139634][ T72] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.139638][ T72] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 15.139643][ T72] __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)) [ 15.139645][ T72] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.139651][ T72] ? 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) [ 15.139654][ T72] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.139658][ T72] put_chars (drivers/char/virtio_console.c:1176) [ 15.139661][ T72] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.139665][ T72] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 15.139669][ T72] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.139673][ T72] ? mark_usage (kernel/locking/lockdep.c:4690) [ 15.139675][ T72] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.139677][ T72] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.139681][ T72] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.139684][ T72] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 15.139687][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.139690][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.139694][ T72] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.139698][ T72] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.139700][ T72] ? 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)) [ 15.139703][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.139705][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.139709][ T72] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.139713][ T72] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.139715][ T72] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.139720][ T72] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.139723][ T72] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.139725][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.139727][ T72] ? 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) [ 15.139731][ T72] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.139733][ T72] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.139735][ T72] vprintk_emit (kernel/printk/printk.c:2479) [ 15.139739][ T72] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.139740][ T72] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.139743][ T72] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.139745][ T72] ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182) [ 15.139750][ T72] _printk (kernel/printk/printk.c:2504) [ 15.139753][ T72] ? snapshot_read.cold (user.c:?) [ 15.139758][ T72] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.139759][ T72] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 15.139763][ T72] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 15.139767][ T72] netdev_err (net/core/dev.c:13192 (discriminator 3)) [ 15.139770][ T72] ? netdev_crit (net/core/dev.c:13191) [ 15.139772][ T72] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 15.139778][ T72] ? netif_rx_mode_sync (net/core/dev_addr_lists.c:1410) [ 15.139780][ T72] ? dev_change_flags (net/core/dev_api.c:69) [ 15.139782][ T72] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 15.139785][ T72] vrf_dellink (drivers/net/vrf.c:1068 drivers/net/vrf.c:1629) [ 15.139790][ T72] ? vrf_map_unregister_dev (./include/linux/list.h:1045 (discriminator 2)) [ 15.139793][ T72] ? veth_dellink (./include/linux/netdevice.h:4548 ./include/linux/netdevice.h:4565 ./include/linux/netdevice.h:4561 drivers/net/veth.c:1967) [ 15.139797][ T72] default_device_exit_batch (net/core/dev.c:13280) [ 15.139801][ T72] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 15.139803][ T72] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.139806][ T72] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 15.139811][ T72] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 15.139814][ T72] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 15.139818][ T72] ? netns_install (./include/linux/ns_common.h:26) [ 15.139820][ T72] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.139823][ T72] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 15.139828][ T72] cleanup_net (net/core/net_namespace.c:706) [ 15.139831][ T72] ? net_passive_dec (./include/linux/llist.h:241) [ 15.139835][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.139837][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.139840][ T72] process_one_work (kernel/workqueue.c:3387) [ 15.139847][ T72] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 15.139850][ T72] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.139858][ T72] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 15.139862][ T72] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 15.139864][ T72] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 15.139867][ T72] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 15.139870][ T72] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 15.139872][ T72] kthread (kernel/kthread.c:436) [ 15.139874][ T72] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 15.139878][ T72] ? kthread_affine_preferred (kernel/kthread.c:857) [ 15.139881][ T72] ret_from_fork (arch/x86/kernel/process.c:158) [ 15.139885][ T72] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 15.139888][ T72] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 15.139892][ T72] ? 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