====================================== | [ 10.768871][ T201] softirqs last disabled at (21654): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 10.768873][ T201] Preemption disabled at: | [ 10.768874][ T201] 0x0 | [ 10.768885][ T201] Tainted: [W]=WARN [ 10.768885][ T201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.768887][ T201] Call Trace: [ 10.768889][ T201] [ 10.768890][ T201] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.768897][ T201] __might_resched.cold (kernel/sched/core.c:9234) [ 10.768901][ T201] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.768905][ T201] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.768910][ T201] __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)) [ 10.768912][ T201] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.768918][ T201] ? 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) [ 10.768921][ T201] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.768925][ T201] put_chars (drivers/char/virtio_console.c:1176) [ 10.768927][ T201] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.768929][ T201] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.768932][ T201] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.768938][ T201] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.768945][ T201] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.768948][ T201] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.768950][ T201] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.768954][ T201] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.768958][ T201] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.768960][ T201] ? 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)) [ 10.768963][ T201] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.768965][ T201] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.768969][ T201] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.768973][ T201] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.768975][ T201] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.768980][ T201] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.768983][ T201] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.768985][ T201] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.768987][ T201] ? 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) [ 10.768991][ T201] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.768992][ T201] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.768995][ T201] vprintk_emit (kernel/printk/printk.c:2479) [ 10.768998][ T201] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.769001][ T201] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.769005][ T201] _printk (kernel/printk/printk.c:2504) [ 10.769008][ T201] ? snapshot_read.cold (user.c:?) [ 10.769011][ T201] ? 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) [ 10.769014][ T201] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.769018][ T201] ? 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) [ 10.769021][ T201] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.769024][ T201] ? exit_notify (kernel/exit.c:780) [ 10.769026][ T201] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.769028][ T201] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.769032][ T201] do_group_exit (kernel/exit.c:1151) [ 10.769035][ T201] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.769037][ T201] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.769040][ T201] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.769044][ T201] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.769047][ T201] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.769049][ T201] RIP: 0033:0x7fa7190161b8 [ 10.769051][ T201] Code: Unable to access opcode bytes at 0x7fa71901618e. Code starting with the faulting instruction =========================================== [ 10.769052][ T201] RSP: 002b:00007ffeaf741f58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.769054][ T201] RAX: ffffffffffffffda RBX: 00007fa719146f88 RCX: 00007fa7190161b8 [ 10.769056][ T201] RDX: 00007fa718d60fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.769057][ T201] RBP: 00007ffeaf741fb0 R08: 0000000000000000 R09: 0000000000000050 [ 10.769057][ T201] R10: 00007ffeaf741d70 R11: 0000000000000246 R12: 0000000000000001 [ 10.769058][ T201] R13: 0000000000000000 R14: 00007fa719145680 R15: 00007fa719146fa0 | [ 14.021538][ T70] softirqs last disabled at (1420): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 14.021540][ T70] Preemption disabled at: | [ 14.021541][ T70] vprintk_emit (kernel/printk/printk.c:2471) | [ 14.021550][ T70] Tainted: [W]=WARN [ 14.021551][ T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.021552][ T70] Workqueue: netns cleanup_net [ 14.021556][ T70] Call Trace: [ 14.021557][ T70] [ 14.021559][ T70] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.021565][ T70] ? vprintk_emit (kernel/printk/printk.c:2471) [ 14.021567][ T70] __might_resched.cold (kernel/sched/core.c:9234) [ 14.021571][ T70] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.021576][ T70] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.021580][ T70] __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)) [ 14.021582][ T70] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.021589][ T70] ? 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) [ 14.021592][ T70] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.021596][ T70] put_chars (drivers/char/virtio_console.c:1176) [ 14.021598][ T70] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.021602][ T70] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 14.021607][ T70] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.021611][ T70] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.021617][ T70] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.021620][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.021626][ T70] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.021630][ T70] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.021632][ T70] ? 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)) [ 14.021635][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.021637][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.021641][ T70] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.021646][ T70] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.021648][ T70] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.021653][ T70] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.021656][ T70] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.021658][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.021660][ T70] ? 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) [ 14.021664][ T70] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.021666][ T70] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.021669][ T70] vprintk_emit (kernel/printk/printk.c:2479) [ 14.021672][ T70] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.021673][ T70] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.021675][ T70] ? __queue_work (kernel/workqueue.c:836 kernel/workqueue.c:2364) [ 14.021680][ T70] _printk (kernel/printk/printk.c:2504) [ 14.021685][ T70] ? snapshot_read.cold (user.c:?) [ 14.021687][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.021689][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.021690][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.021692][ T70] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 14.021693][ T70] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 14.021697][ T70] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 14.021701][ T70] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 14.021704][ T70] ? netdev_notice (net/core/dev.c:13194) [ 14.021713][ T70] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 14.021718][ T70] dev_set_allmulti (net/core/dev_api.c:315) [ 14.021721][ T70] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 14.021725][ T70] ? unregister_netdevice_many (net/core/dev.c:12589) [ 14.021726][ T70] ? net_generic (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2)) [ 14.021731][ T70] br_dev_delete (net/bridge/br_if.c:387) [ 14.021735][ T70] br_net_exit_rtnl (net/bridge/br.c:414) [ 14.021739][ T70] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 14.021743][ T70] ? netns_install (./include/linux/ns_common.h:26) [ 14.021745][ T70] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.021751][ T70] cleanup_net (net/core/net_namespace.c:706) [ 14.021754][ T70] ? net_passive_dec (./include/linux/llist.h:241) [ 14.021758][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.021760][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.021763][ T70] process_one_work (kernel/workqueue.c:3387) [ 14.021770][ T70] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 14.021773][ T70] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.021781][ T70] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 14.021786][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 14.021791][ T70] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 14.021794][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 14.021797][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 14.021799][ T70] kthread (kernel/kthread.c:436) [ 14.021801][ T70] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 14.021804][ T70] ? kthread_affine_preferred (kernel/kthread.c:857) [ 14.021807][ T70] ret_from_fork (arch/x86/kernel/process.c:158) [ 14.021818][ T70] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 14.021821][ T70] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 14.021825][ T70] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print netlink_release:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars