====================================== | [ 10.787089][ T200] softirqs last disabled at (21907): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.787092][ T200] Preemption disabled at: | [ 10.787093][ T200] 0x0 | [ 10.787103][ T200] Tainted: [W]=WARN [ 10.787104][ T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.787106][ T200] Call Trace: [ 10.787107][ T200] [ 10.787109][ T200] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.787116][ T200] __might_resched.cold (kernel/sched/core.c:9234) [ 10.787120][ T200] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.787125][ T200] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.787129][ T200] __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)) [ 10.787131][ T200] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.787138][ T200] ? 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) [ 10.787141][ T200] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.787145][ T200] put_chars (drivers/char/virtio_console.c:1176) [ 10.787147][ T200] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.787149][ T200] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.787152][ T200] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.787158][ T200] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.787166][ T200] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.787168][ T200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.787171][ T200] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.787175][ T200] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.787179][ T200] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.787181][ T200] ? 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)) [ 10.787184][ T200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.787186][ T200] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.787189][ T200] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.787194][ T200] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.787196][ T200] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.787201][ T200] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.787204][ T200] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.787206][ T200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.787208][ T200] ? 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) [ 10.787211][ T200] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.787213][ T200] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.787216][ T200] vprintk_emit (kernel/printk/printk.c:2479) [ 10.787219][ T200] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.787222][ T200] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.787226][ T200] _printk (kernel/printk/printk.c:2504) [ 10.787230][ T200] ? snapshot_read.cold (user.c:?) [ 10.787233][ T200] ? 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) [ 10.787235][ T200] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.787239][ T200] ? 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) [ 10.787242][ T200] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.787246][ T200] ? exit_notify (kernel/exit.c:780) [ 10.787247][ T200] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.787250][ T200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.787254][ T200] do_group_exit (kernel/exit.c:1151) [ 10.787257][ T200] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.787259][ T200] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.787261][ T200] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.787266][ T200] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.787269][ T200] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.787271][ T200] RIP: 0033:0x7f5d92bae1b8 [ 10.787273][ T200] Code: Unable to access opcode bytes at 0x7f5d92bae18e. Code starting with the faulting instruction =========================================== [ 10.787274][ T200] RSP: 002b:00007ffdecfb9b98 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.787277][ T200] RAX: ffffffffffffffda RBX: 00007f5d92cdef88 RCX: 00007f5d92bae1b8 [ 10.787278][ T200] RDX: 00007f5d928f8fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.787279][ T200] RBP: 00007ffdecfb9bf0 R08: 0000000000000000 R09: 0000000000000050 [ 10.787280][ T200] R10: 00007ffdecfb99b0 R11: 0000000000000246 R12: 0000000000000001 [ 10.787281][ T200] R13: 0000000000000000 R14: 00007f5d92cdd680 R15: 00007f5d92cdefa0 | [ 13.800449][ T12] softirqs last disabled at (1516): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 13.800451][ T12] Preemption disabled at: | [ 13.800452][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 13.800460][ T12] Tainted: [W]=WARN [ 13.800461][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.800463][ T12] Workqueue: netns cleanup_net [ 13.800467][ T12] Call Trace: [ 13.800468][ T12] [ 13.800470][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.800476][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 13.800478][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 13.800482][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.800486][ 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) [ 13.800490][ 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)) [ 13.800492][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.800499][ 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) [ 13.800502][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.800506][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 13.800509][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.800512][ T12] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 13.800518][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.800522][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.800528][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.800531][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.800537][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.800542][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.800543][ 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)) [ 13.800547][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.800549][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.800553][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.800558][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.800560][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.800566][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.800569][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.800570][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.800572][ 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) [ 13.800576][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.800578][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.800581][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 13.800584][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.800586][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.800588][ T12] ? __queue_work (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/workqueue.c:808 kernel/workqueue.c:836 kernel/workqueue.c:2364) [ 13.800593][ T12] _printk (kernel/printk/printk.c:2504) [ 13.800597][ T12] ? snapshot_read.cold (user.c:?) [ 13.800600][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.800602][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.800603][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.800605][ T12] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 13.800606][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 13.800610][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 13.800614][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 13.800617][ T12] ? netdev_notice (net/core/dev.c:13194) [ 13.800627][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 13.800631][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 13.800634][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 13.800638][ T12] ? unregister_netdevice_many (net/core/dev.c:12589) [ 13.800639][ T12] ? net_generic (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2)) [ 13.800645][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 13.800649][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 13.800652][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 13.800663][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 13.800665][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.800670][ T12] cleanup_net (net/core/net_namespace.c:706) [ 13.800674][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 13.800678][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.800680][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.800683][ T12] process_one_work (kernel/workqueue.c:3387) [ 13.800690][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 13.800694][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.800702][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 13.800709][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 13.800711][ T12] kthread (kernel/kthread.c:436) [ 13.800714][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 13.800717][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 13.800720][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 13.800724][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 13.800727][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 13.800731][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print netlink_release:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars