====================================== | [ 9.634896][ T184] softirqs last disabled at (30331): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.634898][ T184] Preemption disabled at: | [ 9.634899][ T184] 0x0 | [ 9.634908][ T184] Tainted: [W]=WARN [ 9.634909][ T184] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.634911][ T184] Call Trace: [ 9.634913][ T184] [ 9.634914][ T184] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.634919][ T184] __might_resched.cold (kernel/sched/core.c:9234) [ 9.634924][ T184] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.634927][ T184] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.634932][ T184] __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)) [ 9.634934][ T184] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.634940][ T184] ? 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) [ 9.634943][ T184] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.634946][ T184] put_chars (drivers/char/virtio_console.c:1176) [ 9.634949][ T184] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.634955][ T184] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.634962][ T184] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.634965][ T184] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.634969][ T184] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.634972][ T184] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.634974][ T184] ? 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)) [ 9.634976][ T184] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.634980][ T184] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.634984][ T184] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.634987][ T184] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.634988][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.634994][ T184] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.634996][ T184] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.634997][ T184] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.634999][ T184] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.635003][ T184] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.635005][ T184] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.635007][ T184] vprintk_emit (kernel/printk/printk.c:2479) [ 9.635011][ T184] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.635014][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.635017][ T184] _printk (kernel/printk/printk.c:2504) [ 9.635021][ T184] ? snapshot_read.cold (user.c:?) [ 9.635023][ T184] ? 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) [ 9.635026][ T184] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.635030][ T184] ? 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) [ 9.635033][ T184] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.635036][ T184] ? exit_notify (kernel/exit.c:780) [ 9.635038][ T184] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.635041][ T184] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.635044][ T184] do_group_exit (kernel/exit.c:1151) [ 9.635047][ T184] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.635049][ T184] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.635052][ T184] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.635055][ T184] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.635063][ T184] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.635065][ T184] RIP: 0033:0x7f7407c2d1b8 [ 9.635068][ T184] Code: Unable to access opcode bytes at 0x7f7407c2d18e. Code starting with the faulting instruction =========================================== [ 9.635068][ T184] RSP: 002b:00007ffeb0821158 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.635071][ T184] RAX: ffffffffffffffda RBX: 00007f7407d5df88 RCX: 00007f7407c2d1b8 [ 9.635072][ T184] RDX: 00007f7407977fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.635073][ T184] RBP: 00007ffeb08211b0 R08: 0000000000000000 R09: 0000000000000050 [ 9.635074][ T184] R10: 00007ffeb0820f70 R11: 0000000000000246 R12: 0000000000000001 [ 9.635074][ T184] R13: 0000000000000000 R14: 00007f7407d5c680 R15: 00007f7407d5dfa0 | [ 12.298387][ T73] softirqs last disabled at (3799): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 12.298389][ T73] Preemption disabled at: | [ 12.298390][ T73] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.298399][ T73] Tainted: [W]=WARN [ 12.298400][ T73] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.298401][ T73] Workqueue: netns cleanup_net [ 12.298405][ T73] Call Trace: [ 12.298406][ T73] [ 12.298408][ T73] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.298413][ T73] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.298414][ T73] __might_resched.cold (kernel/sched/core.c:9234) [ 12.298419][ T73] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.298422][ T73] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.298427][ T73] __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)) [ 12.298429][ T73] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.298435][ T73] ? 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) [ 12.298438][ T73] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.298442][ T73] put_chars (drivers/char/virtio_console.c:1176) [ 12.298445][ T73] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.298448][ T73] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 12.298453][ T73] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.298456][ T73] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.298462][ T73] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.298464][ T73] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.298470][ T73] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.298473][ T73] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.298475][ T73] ? 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)) [ 12.298477][ T73] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.298479][ T73] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.298484][ T73] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.298487][ T73] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.298489][ T73] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.298494][ T73] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.298496][ T73] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.298497][ T73] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.298499][ T73] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.298503][ T73] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.298506][ T73] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.298509][ T73] vprintk_emit (kernel/printk/printk.c:2479) [ 12.298512][ T73] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.298513][ T73] ? cleanup_net (net/core/net_namespace.c:706) [ 12.298515][ T73] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 12.298516][ T73] ? kthread (kernel/kthread.c:436) [ 12.298519][ T73] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 12.298522][ T73] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 12.298527][ T73] _printk (kernel/printk/printk.c:2504) [ 12.298530][ T73] ? snapshot_read.cold (user.c:?) [ 12.298535][ T73] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 12.298538][ T73] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 12.298542][ T73] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 12.298544][ T73] ? netdev_notice (net/core/dev.c:13194) [ 12.298548][ T73] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.298550][ T73] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 12.298553][ T73] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 12.298555][ T73] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 12.298557][ T73] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 12.298562][ T73] dev_set_allmulti (net/core/dev_api.c:315) [ 12.298566][ T73] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge [ 12.298582][ T73] br_dev_delete (net/bridge/br_if.c:387) bridge [ 12.298591][ T73] br_net_exit_rtnl (net/bridge/br.c:414) bridge [ 12.298600][ T73] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 12.298603][ T73] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 12.298606][ T73] ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098) [ 12.298607][ T73] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.298610][ T73] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 12.298615][ T73] cleanup_net (net/core/net_namespace.c:706) [ 12.298618][ T73] ? net_passive_dec (./include/linux/llist.h:241) [ 12.298621][ T73] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.298623][ T73] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.298627][ T73] process_one_work (kernel/workqueue.c:3387) [ 12.298633][ T73] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 12.298635][ T73] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.298643][ T73] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 12.298646][ T73] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 12.298648][ T73] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 12.298651][ T73] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 12.298653][ T73] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 12.298654][ T73] kthread (kernel/kthread.c:436) [ 12.298656][ T73] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 12.298659][ T73] ? kthread_affine_preferred (kernel/kthread.c:857) [ 12.298662][ T73] ret_from_fork (arch/x86/kernel/process.c:158) [ 12.298665][ T73] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 12.298668][ T73] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 12.298672][ T73] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print