======================================
| [ 16.390851][ T46] #2: ffffffffabeb4040 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event (net/core/link_watch.c:313)
| [ 16.390992][ T46] #3: ff11000008291d68 (&dev_instance_lock_key#2){+.+.}-{4:4}, at: __linkwatch_run_queue (./include/linux/netdevice.h:2835 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/link_watch.c:239)
| [ 16.391148][ T46]
| [ 16.391148][ T46] stack backtrace:
[ 16.391248][ T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 16.391250][ T46] Workqueue: events_unbound linkwatch_event
[ 16.391253][ T46] Call Trace:
[ 16.391255][ T46]
[ 16.391256][ T46] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[ 16.391261][ T46] print_deadlock_bug.cold (kernel/locking/lockdep.c:3041)
[ 16.391264][ T46] validate_chain (kernel/locking/lockdep.c:3093 kernel/locking/lockdep.c:3895)
[ 16.391268][ T46] __lock_acquire (kernel/locking/lockdep.c:5237)
[ 16.391269][ T46] ? prepare_call_rcu_zapped (kernel/locking/lockdep.c:6332 (discriminator 2) kernel/locking/lockdep.c:6320 (discriminator 2))
[ 16.391271][ T46] lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[ 16.391273][ T46] ? __ethtool_get_link_ksettings (./include/linux/netdevice.h:2835 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/ethtool/ioctl.c:462)
[ 16.391275][ T46] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 16.391279][ T46] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 16.391281][ T46] __mutex_lock (kernel/locking/mutex.c:646 kernel/locking/mutex.c:820)
[ 16.391284][ T46] ? __ethtool_get_link_ksettings (./include/linux/netdevice.h:2835 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/ethtool/ioctl.c:462)
[ 16.391286][ T46] ? __ethtool_get_link_ksettings (./include/linux/netdevice.h:2835 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/ethtool/ioctl.c:462)
[ 16.391287][ T46] ? inet6_dump_fib (net/ipv6/ip6_fib.c:726)
[ 16.391291][ T46] ? ww_mutex_lock (kernel/locking/mutex.c:933)
[ 16.391293][ T46] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[ 16.391294][ T46] ? find_held_lock (kernel/locking/lockdep.c:5350)
[ 16.391295][ T46] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[ 16.391297][ T46] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180)
[ 16.391299][ T46] ? rt6_multipath_rebalance (./include/net/addrconf.h:348 (discriminator 4))
[ 16.391300][ T46] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4411 (discriminator 2))
[ 16.391302][ T46] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[ 16.391304][ T46] ? __local_bh_enable_ip (kernel/softirq.c:455)
[ 16.391306][ T46] ? __local_bh_enable_ip (kernel/softirq.c:455)
[ 16.391307][ T46] ? fib6_walk (net/ipv6/ip6_fib.c:89 net/ipv6/ip6_fib.c:2229)
[ 16.391310][ T46] ? __ethtool_get_link_ksettings (./include/linux/netdevice.h:2835 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/ethtool/ioctl.c:462)
[ 16.391311][ T46] __ethtool_get_link_ksettings (./include/linux/netdevice.h:2835 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/ethtool/ioctl.c:462)
[ 16.391312][ T46] ? fib6_walk (./include/linux/list.h:262 net/ipv6/ip6_fib.c:88 net/ipv6/ip6_fib.c:2229)
[ 16.391314][ T46] port_cost (net/bridge/br_if.c:39)
[ 16.391317][ T46] ? br_multicast_flood (??:?)
[ 16.391319][ T46] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[ 16.391321][ T46] ? packet_notifier (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/packet/af_packet.c:4234 (discriminator 2))
[ 16.391324][ T46] br_port_carrier_check (net/bridge/br_if.c:80)
[ 16.391326][ T46] br_device_event (net/bridge/br.c:101)
[ 16.391328][ T46] ? fib6_ifdown (net/ipv6/route.c:4962)
[ 16.391329][ T46] ? packet_sendmsg_spkt (af_packet.c:?)
[ 16.391332][ T46] notifier_call_chain (kernel/notifier.c:85)
[ 16.391335][ T46] netif_state_change (net/core/dev.c:1603)
[ 16.391338][ T46] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[ 16.391341][ T46] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[ 16.391342][ T46] __linkwatch_run_queue (net/core/link_watch.c:240)
[ 16.391344][ T46] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[ 16.391346][ T46] linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[ 16.391348][ T46] ? __linkwatch_run_queue (net/core/link_watch.c:213)
[ 16.391349][ T46] process_one_work (kernel/workqueue.c:3314)
[ 16.391352][ T46] ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[ 16.391354][ T46] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[ 16.391357][ T46] worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[ 16.391359][ T46] ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[ 16.391361][ T46] kthread (kernel/kthread.c:436)
[ 16.391363][ T46] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 16.391367][ T46] ? kthread_affine_node (kernel/kthread.c:378)
[ 16.391369][ T46] ret_from_fork (arch/x86/kernel/process.c:158)
[ 16.391372][ T46] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[ 16.391374][ T46] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[ 16.391376][ T46] ? kthread_affine_node (kernel/kthread.c:378)
[ 16.391378][ T46] ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [ 16.391382][ T46]
[ 247.237348][ T44] INFO: task kworker/u16:0:12 blocked for more than 122 seconds.
[ 247.237546][ T44] Not tainted 7.1.0-rc5-virtme #1
[ 247.237623][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 247.237772][ T44] task:kworker/u16:0 state:D stack:26704 pid:12 tgid:12 ppid:2 task_flags:0x4208060 flags:0x00080000
[ 247.237937][ T44] Workqueue: ipv6_addrconf addrconf_verify_work
[ 247.238036][ T44] Call Trace:
[ 247.238092][ T44]
[ 247.238132][ T44] __schedule (kernel/sched/core.c:5388 kernel/sched/core.c:7189)
[ 247.238209][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 247.238279][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 247.238372][ T44] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[ 247.238445][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 247.238515][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 247.238584][ T44] schedule (kernel/sched/core.c:7268 kernel/sched/core.c:7283)
[ 247.238638][ T44] schedule_preempt_disabled (kernel/sched/core.c:7340)
[ 247.238707][ T44] __mutex_lock (kernel/locking/mutex.c:726 kernel/locking/mutex.c:820)
[ 247.238780][ T44] ? addrconf_verify_work (./include/linux/rtnetlink.h:130 net/ipv6/addrconf.c:4761)
[ 247.238860][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 247.238930][ T44] ? ww_mutex_lock (kernel/locking/mutex.c:933)
[ 247.239001][ T44] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[ 247.239088][ T44] ? debug_object_deactivate (lib/debugobjects.c:915 (discriminator 3))
[ 247.239161][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 247.239230][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 247.239301][ T44] ? addrconf_verify_work (./include/linux/rtnetlink.h:130 net/ipv6/addrconf.c:4761)
[ 247.239381][ T44] addrconf_verify_work (./include/linux/rtnetlink.h:130 net/ipv6/addrconf.c:4761)
[ 247.239455][ T44] process_one_work (kernel/workqueue.c:3314)
[ 247.239531][ T44] ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[ 247.239602][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 247.239671][ T44] ? find_held_lock (kernel/locking/lockdep.c:5350)
[ 247.239745][ T44] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 247.239817][ T44] worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[ 247.239893][ T44] ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[ 247.239966][ T44] kthread (kernel/kthread.c:436)
[ 247.240020][ T44] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 247.240112][ T44] ? kthread_affine_node (kernel/kthread.c:378)
[ 247.240180][ T44] ret_from_fork (arch/x86/kernel/process.c:158)
[ 247.240252][ T44] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[ 247.240342][ T44] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[ 247.240413][ T44] ? kthread_affine_node (kernel/kthread.c:378)
[ 247.240486][ T44] ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [ 247.240563][ T44]
| [ 247.240629][ T44] INFO: task kworker/u16:0:12 is blocked on a mutex likely owned by task kworker/u17:1:46.
[ 247.240770][ T44] INFO: task kworker/u17:1:46 blocked for more than 122 seconds.
[ 247.240873][ T44] Not tainted 7.1.0-rc5-virtme #1
[ 247.240938][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 247.241054][ T44] task:kworker/u17:1 state:D stack:26376 pid:46 tgid:46 ppid:2 task_flags:0x4208060 flags:0x00080000
[ 247.241208][ T44] Workqueue: events_unbound linkwatch_event
[ 247.241299][ T44] Call Trace:
[ 247.241356][ T44]
[ 247.241392][ T44] __schedule (kernel/sched/core.c:5388 kernel/sched/core.c:7189)
[ 247.241462][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 247.241541][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 247.241610][ T44] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[ 247.241679][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 247.241749][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 247.241820][ T44] schedule (kernel/sched/core.c:7268 kernel/sched/core.c:7283)
[ 247.241878][ T44] schedule_preempt_disabled (kernel/sched/core.c:7340)
[ 247.241947][ T44] __mutex_lock (kernel/locking/mutex.c:726 kernel/locking/mutex.c:820)
[ 247.242021][ T44] ? __ethtool_get_link_ksettings (./include/linux/netdevice.h:2835 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/ethtool/ioctl.c:462)
[ 247.242115][ T44] ? ww_mutex_lock (kernel/locking/mutex.c:933)
[ 247.242186][ T44] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[ 247.242256][ T44] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[ 247.242327][ T44] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180)
[ 247.242402][ T44] ? rt6_multipath_rebalance (./include/net/addrconf.h:348 (discriminator 4))
[ 247.242472][ T44] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4411 (discriminator 2))
[ 247.242562][ T44] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[ 247.242631][ T44] ? __local_bh_enable_ip (kernel/softirq.c:455)
[ 247.242701][ T44] ? __local_bh_enable_ip (kernel/softirq.c:455)
[ 247.242770][ T44] ? fib6_walk (net/ipv6/ip6_fib.c:89 net/ipv6/ip6_fib.c:2229)
[ 247.242840][ T44] ? __ethtool_get_link_ksettings (./include/linux/netdevice.h:2835 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/ethtool/ioctl.c:462)
[ 247.242930][ T44] __ethtool_get_link_ksettings (./include/linux/netdevice.h:2835 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/ethtool/ioctl.c:462)
[ 247.243020][ T44] ? fib6_walk (./include/linux/list.h:262 net/ipv6/ip6_fib.c:88 net/ipv6/ip6_fib.c:2229)
[ 247.243089][ T44] port_cost (net/bridge/br_if.c:39)
[ 247.243143][ T44] ? br_multicast_flood (??:?)
[ 247.243213][ T44] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[ 247.243282][ T44] ? packet_notifier (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/packet/af_packet.c:4234 (discriminator 2))
[ 247.243357][ T44] br_port_carrier_check (net/bridge/br_if.c:80)
[ 247.243428][ T44] br_device_event (net/bridge/br.c:101)
[ 247.243500][ T44] ? fib6_ifdown (net/ipv6/route.c:4962)
[ 247.243572][ T44] ? packet_sendmsg_spkt (af_packet.c:?)
[ 247.243642][ T44] notifier_call_chain (kernel/notifier.c:85)
[ 247.243712][ T44] netif_state_change (net/core/dev.c:1603)
[ 247.243796][ T44] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[ 247.243894][ T44] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[ 247.243964][ T44] __linkwatch_run_queue (net/core/link_watch.c:240)
[ 247.244035][ T44] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[ 247.244114][ T44] linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[ 247.244183][ T44] ? __linkwatch_run_queue (net/core/link_watch.c:213)
[ 247.244252][ T44] process_one_work (kernel/workqueue.c:3314)
[ 247.244322][ T44] ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[ 247.244394][ T44] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[ 247.244465][ T44] worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[ 247.244535][ T44] ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[ 247.244607][ T44] kthread (kernel/kthread.c:436)
[ 247.244659][ T44] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 247.244744][ T44] ? kthread_affine_node (kernel/kthread.c:378)
[ 247.244814][ T44] ret_from_fork (arch/x86/kernel/process.c:158)
[ 247.244888][ T44] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[ 247.244974][ T44] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[ 247.245043][ T44] ? kthread_affine_node (kernel/kthread.c:378)
[ 247.245113][ T44] ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [ 247.245184][ T44]
| [ 247.245236][ T44] INFO: task kworker/u17:1:46 is blocked on a mutex likely owned by task kworker/u17:1:46.
[ 247.245381][ T44] INFO: task bridge:330 blocked for more than 122 seconds.
[ 247.245480][ T44] Not tainted 7.1.0-rc5-virtme #1
[ 247.245545][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 247.245660][ T44] task:bridge state:D stack:25840 pid:330 tgid:330 ppid:329 task_flags:0x400100 flags:0x00080000
[ 247.245818][ T44] Call Trace:
[ 247.245876][ T44]
[ 247.245912][ T44] __schedule (kernel/sched/core.c:5388 kernel/sched/core.c:7189)
[ 247.245983][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 247.246055][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 247.246129][ T44] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[ 247.246200][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 247.246271][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 247.246344][ T44] schedule (kernel/sched/core.c:7268 kernel/sched/core.c:7283)
[ 247.246399][ T44] schedule_preempt_disabled (kernel/sched/core.c:7340)
[ 247.246469][ T44] __mutex_lock (kernel/locking/mutex.c:726 kernel/locking/mutex.c:820)
[ 247.246539][ T44] ? rtnl_dump_ifinfo (net/core/rtnetlink.c:80 net/core/rtnetlink.c:2554)
[ 247.246610][ T44] ? ww_mutex_lock (kernel/locking/mutex.c:933)
[ 247.246685][ T44] ? nla_get_range_signed (lib/nlattr.c:270)
[ 247.246756][ T44] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[ 247.246849][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 247.246924][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 247.247000][ T44] ? __nla_validate_parse (lib/nlattr.c:635)
[ 247.247071][ T44] ? rtnl_dump_ifinfo (net/core/rtnetlink.c:80 net/core/rtnetlink.c:2554)
[ 247.247142][ T44] rtnl_dump_ifinfo (net/core/rtnetlink.c:80 net/core/rtnetlink.c:2554)
[ 247.247217][ T44] ? rtnl_fill_ifinfo.isra.0 (net/core/rtnetlink.c:2212)
[ 247.247303][ T44] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[ 247.247377][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 247.247447][ T44] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[ 247.247520][ T44] ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[ 247.247592][ T44] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[ 247.247662][ T44] ? __kmalloc_node_track_caller_noprof (mm/slub.c:5297 mm/slub.c:5408)
[ 247.247754][ T44] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[ 247.247830][ T44] ? __alloc_skb (./include/linux/instrumented.h:97 ./include/linux/atomic/atomic-instrumented.h:67 net/core/skbuff.c:408 net/core/skbuff.c:720)
[ 247.247904][ T44] ? __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:695 (discriminator 2))
[ 247.247973][ T44] ? napi_skb_cache_get (./include/linux/local_lock_internal.h:61)
[ 247.248045][ T44] rtnl_dumpit (net/core/rtnetlink.c:6931)
[ 247.248101][ T44] netlink_dump (net/netlink/af_netlink.c:2331)
[ 247.248173][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 247.248241][ T44] ? ww_mutex_lock (kernel/locking/mutex.c:933)
[ 247.248315][ T44] ? netlink_lookup (./include/linux/refcount.h:291)
[ 247.248390][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 247.248461][ T44] __netlink_dump_start (net/netlink/af_netlink.c:2446)
[ 247.248532][ T44] ? rtnl_fill_ifinfo.isra.0 (net/core/rtnetlink.c:2212)
[ 247.248619][ T44] rtnetlink_rcv_msg (./include/linux/netlink.h:341 net/core/rtnetlink.c:6960 net/core/rtnetlink.c:7027)
[ 247.248689][ T44] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[ 247.248758][ T44] ? rtnl_unlock (net/core/rtnetlink.c:157)
[ 247.248829][ T44] ? rtnl_fill_ifinfo.isra.0 (net/core/rtnetlink.c:2212)
[ 247.248918][ T44] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[ 247.248989][ T44] netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[ 247.249058][ T44] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[ 247.249133][ T44] ? lock_release (./include/trace/events/lock.h:69 (discriminator 22) kernel/locking/lockdep.c:5879 (discriminator 22))
[ 247.249201][ T44] ? netlink_ack (./include/linux/skbuff.h:2720)
[ 247.249270][ T44] ? __netlink_lookup (./include/linux/rcupdate.h:839 ./include/linux/rhashtable.h:708 net/netlink/af_netlink.c:499)
[ 247.249343][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 247.249417][ T44] ? lock_release (./include/trace/events/lock.h:69 (discriminator 22) kernel/locking/lockdep.c:5879 (discriminator 22))
[ 247.249487][ T44] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[ 247.249561][ T44] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[ 247.249630][ T44] netlink_sendmsg (net/netlink/af_netlink.c:1900)
[ 247.249700][ T44] ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[ 247.249770][ T44] ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 6))
[ 247.249847][ T44] ? do_anonymous_page (./include/linux/pgtable.h:117 mm/memory.c:5433)
[ 247.249919][ T44] __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[ 247.249994][ T44] ? __ia32_sys_getpeername (net/socket.c:2219)
[ 247.250065][ T44] ? __pmd_alloc (./include/linux/mm.h:1682)
[ 247.250138][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 247.250207][ T44] ? lock_release (./include/trace/events/lock.h:69 (discriminator 22) kernel/locking/lockdep.c:5879 (discriminator 22))
[ 247.250277][ T44] __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[ 247.250351][ T44] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 247.250437][ T44] ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[ 247.250526][ T44] ? irqentry_exit (./include/linux/irq-entry-common.h:272 ./include/linux/irq-entry-common.h:317 kernel/entry/common.c:162)
[ 247.250595][ T44] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[ 247.250665][ T44] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[ 247.250736][ T44] ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[ 247.250807][ T44] ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[ 247.250881][ T44] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[ 247.250967][ T44] RIP: 0033:0x7f88e11e408e
[ 247.251044][ T44] RSP: 002b:00007fff08cd0870 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 247.251156][ T44] RAX: ffffffffffffffda RBX: 00007fff08cd0ad8 RCX: 00007f88e11e408e
[ 247.251263][ T44] RDX: 0000000000000028 RSI: 00007fff08cd08d0 RDI: 0000000000000005
[ 247.251374][ T44] RBP: 00007fff08cd0880 R08: 0000000000000000 R09: 0000000000000000
[ 247.251482][ T44] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff08cd0ac8
[ 247.251590][ T44] R13: 0000000000000009 R14: 00007f88e1488000 R15: 0000000000423c78
| [ 247.251704][ T44]
| [ 247.251762][ T44] INFO: task bridge:330 is blocked on a mutex likely owned by task kworker/u17:1:46.
| [ 247.251888][ T44] INFO: lockdep is turned off.
[ 370.116349][ T44] INFO: task kworker/u16:0:12 blocked for more than 245 seconds.
[ 370.116561][ T44] Not tainted 7.1.0-rc5-virtme #1
[ 370.116632][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 370.116754][ T44] task:kworker/u16:0 state:D stack:26704 pid:12 tgid:12 ppid:2 task_flags:0x4208060 flags:0x00080000
[ 370.116927][ T44] Workqueue: ipv6_addrconf addrconf_verify_work
[ 370.117023][ T44] Call Trace:
[ 370.117086][ T44]
[ 370.117126][ T44] __schedule (kernel/sched/core.c:5388 kernel/sched/core.c:7189)
[ 370.117217][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 370.117292][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 370.117379][ T44] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[ 370.117452][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 370.117525][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 370.117602][ T44] schedule (kernel/sched/core.c:7268 kernel/sched/core.c:7283)
[ 370.117661][ T44] schedule_preempt_disabled (kernel/sched/core.c:7340)
[ 370.117731][ T44] __mutex_lock (kernel/locking/mutex.c:726 kernel/locking/mutex.c:820)
[ 370.117806][ T44] ? addrconf_verify_work (./include/linux/rtnetlink.h:130 net/ipv6/addrconf.c:4761)
[ 370.117877][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 370.117952][ T44] ? ww_mutex_lock (kernel/locking/mutex.c:933)
[ 370.118025][ T44] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[ 370.118117][ T44] ? debug_object_deactivate (lib/debugobjects.c:915 (discriminator 3))
[ 370.118199][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 370.118272][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 370.118351][ T44] ? addrconf_verify_work (./include/linux/rtnetlink.h:130 net/ipv6/addrconf.c:4761)
[ 370.118424][ T44] addrconf_verify_work (./include/linux/rtnetlink.h:130 net/ipv6/addrconf.c:4761)
[ 370.118498][ T44] process_one_work (kernel/workqueue.c:3314)
[ 370.118576][ T44] ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[ 370.118648][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 370.118720][ T44] ? find_held_lock (kernel/locking/lockdep.c:5350)
[ 370.118796][ T44] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 370.118869][ T44] worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[ 370.118946][ T44] ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[ 370.119018][ T44] kthread (kernel/kthread.c:436)
[ 370.119074][ T44] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 370.119169][ T44] ? kthread_affine_node (kernel/kthread.c:378)
[ 370.119241][ T44] ret_from_fork (arch/x86/kernel/process.c:158)
[ 370.119320][ T44] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[ 370.119412][ T44] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[ 370.119484][ T44] ? kthread_affine_node (kernel/kthread.c:378)
[ 370.119556][ T44] ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [ 370.119632][ T44]
| [ 370.119694][ T44] INFO: task kworker/u16:0:12 is blocked on a mutex likely owned by task kworker/u17:1:46.
[ 370.119833][ T44] INFO: task kworker/u17:1:46 blocked for more than 245 seconds.
[ 370.119942][ T44] Not tainted 7.1.0-rc5-virtme #1
[ 370.120010][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 370.120127][ T44] task:kworker/u17:1 state:D stack:26376 pid:46 tgid:46 ppid:2 task_flags:0x4208060 flags:0x00080000
[ 370.120287][ T44] Workqueue: events_unbound linkwatch_event
[ 370.120386][ T44] Call Trace:
[ 370.120440][ T44]
[ 370.120477][ T44] __schedule (kernel/sched/core.c:5388 kernel/sched/core.c:7189)
[ 370.120551][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 370.120622][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 370.120694][ T44] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[ 370.120766][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 370.120838][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 370.120919][ T44] schedule (kernel/sched/core.c:7268 kernel/sched/core.c:7283)
[ 370.120973][ T44] schedule_preempt_disabled (kernel/sched/core.c:7340)
[ 370.121045][ T44] __mutex_lock (kernel/locking/mutex.c:726 kernel/locking/mutex.c:820)
[ 370.121122][ T44] ? __ethtool_get_link_ksettings (./include/linux/netdevice.h:2835 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/ethtool/ioctl.c:462)
[ 370.121213][ T44] ? ww_mutex_lock (kernel/locking/mutex.c:933)
[ 370.121285][ T44] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[ 370.121359][ T44] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[ 370.121434][ T44] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180)
[ 370.121506][ T44] ? rt6_multipath_rebalance (./include/net/addrconf.h:348 (discriminator 4))
[ 370.121578][ T44] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4411 (discriminator 2))
[ 370.121667][ T44] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[ 370.121739][ T44] ? __local_bh_enable_ip (kernel/softirq.c:455)
[ 370.121810][ T44] ? __local_bh_enable_ip (kernel/softirq.c:455)
[ 370.121880][ T44] ? fib6_walk (net/ipv6/ip6_fib.c:89 net/ipv6/ip6_fib.c:2229)
[ 370.121960][ T44] ? __ethtool_get_link_ksettings (./include/linux/netdevice.h:2835 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/ethtool/ioctl.c:462)
[ 370.122049][ T44] __ethtool_get_link_ksettings (./include/linux/netdevice.h:2835 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/ethtool/ioctl.c:462)
[ 370.122138][ T44] ? fib6_walk (./include/linux/list.h:262 net/ipv6/ip6_fib.c:88 net/ipv6/ip6_fib.c:2229)
[ 370.122208][ T44] port_cost (net/bridge/br_if.c:39)
[ 370.122264][ T44] ? br_multicast_flood (??:?)
[ 370.122341][ T44] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[ 370.122413][ T44] ? packet_notifier (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/packet/af_packet.c:4234 (discriminator 2))
[ 370.122489][ T44] br_port_carrier_check (net/bridge/br_if.c:80)
[ 370.122560][ T44] br_device_event (net/bridge/br.c:101)
[ 370.122631][ T44] ? fib6_ifdown (net/ipv6/route.c:4962)
[ 370.122702][ T44] ? packet_sendmsg_spkt (af_packet.c:?)
[ 370.122775][ T44] notifier_call_chain (kernel/notifier.c:85)
[ 370.122847][ T44] netif_state_change (net/core/dev.c:1603)
[ 370.122925][ T44] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[ 370.123018][ T44] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[ 370.123092][ T44] __linkwatch_run_queue (net/core/link_watch.c:240)
[ 370.123165][ T44] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[ 370.123237][ T44] linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[ 370.123310][ T44] ? __linkwatch_run_queue (net/core/link_watch.c:213)
[ 370.123387][ T44] process_one_work (kernel/workqueue.c:3314)
[ 370.123461][ T44] ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[ 370.123537][ T44] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[ 370.123609][ T44] worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[ 370.123681][ T44] ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[ 370.123753][ T44] kthread (kernel/kthread.c:436)
[ 370.123808][ T44] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 370.123901][ T44] ? kthread_affine_node (kernel/kthread.c:378)
[ 370.123973][ T44] ret_from_fork (arch/x86/kernel/process.c:158)
[ 370.124046][ T44] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[ 370.124139][ T44] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[ 370.124211][ T44] ? kthread_affine_node (kernel/kthread.c:378)
[ 370.124283][ T44] ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [ 370.124364][ T44]
| [ 370.124419][ T44] INFO: task kworker/u17:1:46 is blocked on a mutex likely owned by task kworker/u17:1:46.
[ 370.124568][ T44] INFO: task bridge:330 blocked for more than 245 seconds.
[ 370.124673][ T44] Not tainted 7.1.0-rc5-virtme #1
[ 370.124740][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 370.124856][ T44] task:bridge state:D stack:25840 pid:330 tgid:330 ppid:329 task_flags:0x400100 flags:0x00080000
[ 370.125029][ T44] Call Trace:
[ 370.125083][ T44]
[ 370.125129][ T44] __schedule (kernel/sched/core.c:5388 kernel/sched/core.c:7189)
[ 370.125205][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 370.125279][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 370.125354][ T44] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[ 370.125424][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 370.125495][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 370.125567][ T44] schedule (kernel/sched/core.c:7268 kernel/sched/core.c:7283)
[ 370.125622][ T44] schedule_preempt_disabled (kernel/sched/core.c:7340)
[ 370.125698][ T44] __mutex_lock (kernel/locking/mutex.c:726 kernel/locking/mutex.c:820)
[ 370.125769][ T44] ? rtnl_dump_ifinfo (net/core/rtnetlink.c:80 net/core/rtnetlink.c:2554)
[ 370.125841][ T44] ? ww_mutex_lock (kernel/locking/mutex.c:933)
[ 370.125915][ T44] ? nla_get_range_signed (lib/nlattr.c:270)
[ 370.125988][ T44] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[ 370.126087][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 370.126160][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 370.126235][ T44] ? __nla_validate_parse (lib/nlattr.c:635)
[ 370.126307][ T44] ? rtnl_dump_ifinfo (net/core/rtnetlink.c:80 net/core/rtnetlink.c:2554)
[ 370.126380][ T44] rtnl_dump_ifinfo (net/core/rtnetlink.c:80 net/core/rtnetlink.c:2554)
[ 370.126453][ T44] ? rtnl_fill_ifinfo.isra.0 (net/core/rtnetlink.c:2212)
[ 370.126542][ T44] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[ 370.126615][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 370.126687][ T44] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[ 370.126767][ T44] ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[ 370.126840][ T44] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[ 370.126917][ T44] ? __kmalloc_node_track_caller_noprof (mm/slub.c:5297 mm/slub.c:5408)
[ 370.127007][ T44] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[ 370.127084][ T44] ? __alloc_skb (./include/linux/instrumented.h:97 ./include/linux/atomic/atomic-instrumented.h:67 net/core/skbuff.c:408 net/core/skbuff.c:720)
[ 370.127157][ T44] ? __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:695 (discriminator 2))
[ 370.127229][ T44] ? napi_skb_cache_get (./include/linux/local_lock_internal.h:61)
[ 370.127303][ T44] rtnl_dumpit (net/core/rtnetlink.c:6931)
[ 370.127361][ T44] netlink_dump (net/netlink/af_netlink.c:2331)
[ 370.127434][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 370.127506][ T44] ? ww_mutex_lock (kernel/locking/mutex.c:933)
[ 370.127578][ T44] ? netlink_lookup (./include/linux/refcount.h:291)
[ 370.127650][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 370.127723][ T44] __netlink_dump_start (net/netlink/af_netlink.c:2446)
[ 370.127795][ T44] ? rtnl_fill_ifinfo.isra.0 (net/core/rtnetlink.c:2212)
[ 370.127893][ T44] rtnetlink_rcv_msg (./include/linux/netlink.h:341 net/core/rtnetlink.c:6960 net/core/rtnetlink.c:7027)
[ 370.127965][ T44] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[ 370.128037][ T44] ? rtnl_unlock (net/core/rtnetlink.c:157)
[ 370.128110][ T44] ? rtnl_fill_ifinfo.isra.0 (net/core/rtnetlink.c:2212)
[ 370.128198][ T44] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[ 370.128272][ T44] netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[ 370.128345][ T44] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[ 370.128416][ T44] ? lock_release (./include/trace/events/lock.h:69 (discriminator 22) kernel/locking/lockdep.c:5879 (discriminator 22))
[ 370.128491][ T44] ? netlink_ack (./include/linux/skbuff.h:2720)
[ 370.128562][ T44] ? __netlink_lookup (./include/linux/rcupdate.h:839 ./include/linux/rhashtable.h:708 net/netlink/af_netlink.c:499)
[ 370.128633][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 370.128703][ T44] ? lock_release (./include/trace/events/lock.h:69 (discriminator 22) kernel/locking/lockdep.c:5879 (discriminator 22))
[ 370.128775][ T44] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[ 370.128845][ T44] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[ 370.128923][ T44] netlink_sendmsg (net/netlink/af_netlink.c:1900)
[ 370.128994][ T44] ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[ 370.129068][ T44] ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 6))
[ 370.129140][ T44] ? do_anonymous_page (./include/linux/pgtable.h:117 mm/memory.c:5433)
[ 370.129212][ T44] __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[ 370.129285][ T44] ? __ia32_sys_getpeername (net/socket.c:2219)
[ 370.129359][ T44] ? __pmd_alloc (./include/linux/mm.h:1682)
[ 370.129437][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 370.129509][ T44] ? lock_release (./include/trace/events/lock.h:69 (discriminator 22) kernel/locking/lockdep.c:5879 (discriminator 22))
[ 370.129582][ T44] __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[ 370.129653][ T44] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 370.129741][ T44] ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[ 370.129829][ T44] ? irqentry_exit (./include/linux/irq-entry-common.h:272 ./include/linux/irq-entry-common.h:317 kernel/entry/common.c:162)
[ 370.129902][ T44] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[ 370.129972][ T44] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[ 370.130044][ T44] ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[ 370.130115][ T44] ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[ 370.130190][ T44] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[ 370.130280][ T44] RIP: 0033:0x7f88e11e408e
[ 370.130359][ T44] RSP: 002b:00007fff08cd0870 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 370.130468][ T44] RAX: ffffffffffffffda RBX: 00007fff08cd0ad8 RCX: 00007f88e11e408e
[ 370.130577][ T44] RDX: 0000000000000028 RSI: 00007fff08cd08d0 RDI: 0000000000000005
[ 370.130686][ T44] RBP: 00007fff08cd0880 R08: 0000000000000000 R09: 0000000000000000
[ 370.130794][ T44] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff08cd0ac8
[ 370.130912][ T44] R13: 0000000000000009 R14: 00007f88e1488000 R15: 0000000000423c78
| [ 370.131022][ T44]
| [ 370.131078][ T44] INFO: task bridge:330 is blocked on a mutex likely owned by task kworker/u17:1:46.
| [ 370.131198][ T44] INFO: lockdep is turned off.
[ 492.996348][ T44] INFO: task kworker/u16:0:12 blocked for more than 368 seconds.
[ 492.996553][ T44] Not tainted 7.1.0-rc5-virtme #1
[ 492.996630][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 492.996754][ T44] task:kworker/u16:0 state:D stack:26704 pid:12 tgid:12 ppid:2 task_flags:0x4208060 flags:0x00080000
[ 492.996940][ T44] Workqueue: ipv6_addrconf addrconf_verify_work
[ 492.997041][ T44] Call Trace:
[ 492.997099][ T44]
[ 492.997141][ T44] __schedule (kernel/sched/core.c:5388 kernel/sched/core.c:7189)
[ 492.997219][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 492.997293][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 492.997385][ T44] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[ 492.997476][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 492.997550][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 492.997625][ T44] schedule (kernel/sched/core.c:7268 kernel/sched/core.c:7283)
[ 492.997682][ T44] schedule_preempt_disabled (kernel/sched/core.c:7340)
[ 492.997757][ T44] __mutex_lock (kernel/locking/mutex.c:726 kernel/locking/mutex.c:820)
[ 492.997832][ T44] ? addrconf_verify_work (./include/linux/rtnetlink.h:130 net/ipv6/addrconf.c:4761)
[ 492.997908][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 492.997990][ T44] ? ww_mutex_lock (kernel/locking/mutex.c:933)
[ 492.998070][ T44] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[ 492.998160][ T44] ? debug_object_deactivate (lib/debugobjects.c:915 (discriminator 3))
[ 492.998236][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 492.998308][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 492.998387][ T44] ? addrconf_verify_work (./include/linux/rtnetlink.h:130 net/ipv6/addrconf.c:4761)
[ 492.998461][ T44] addrconf_verify_work (./include/linux/rtnetlink.h:130 net/ipv6/addrconf.c:4761)
[ 492.998537][ T44] process_one_work (kernel/workqueue.c:3314)
[ 492.998617][ T44] ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[ 492.998692][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 492.998766][ T44] ? find_held_lock (kernel/locking/lockdep.c:5350)
[ 492.998840][ T44] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 492.998913][ T44] worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[ 492.998993][ T44] ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[ 492.999068][ T44] kthread (kernel/kthread.c:436)
[ 492.999124][ T44] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 492.999220][ T44] ? kthread_affine_node (kernel/kthread.c:378)
[ 492.999294][ T44] ret_from_fork (arch/x86/kernel/process.c:158)
[ 492.999375][ T44] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[ 492.999465][ T44] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[ 492.999539][ T44] ? kthread_affine_node (kernel/kthread.c:378)
[ 492.999614][ T44] ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [ 492.999697][ T44]
| [ 492.999760][ T44] INFO: task kworker/u16:0:12 is blocked on a mutex likely owned by task kworker/u17:1:46.
[ 492.999904][ T44] INFO: task kworker/u17:1:46 blocked for more than 368 seconds.
[ 493.000013][ T44] Not tainted 7.1.0-rc5-virtme #1
[ 493.000084][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 493.000227][ T44] task:kworker/u17:1 state:D stack:26376 pid:46 tgid:46 ppid:2 task_flags:0x4208060 flags:0x00080000
[ 493.000392][ T44] Workqueue: events_unbound linkwatch_event
[ 493.000481][ T44] Call Trace:
[ 493.000534][ T44]
[ 493.000570][ T44] __schedule (kernel/sched/core.c:5388 kernel/sched/core.c:7189)
[ 493.000640][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 493.000708][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 493.000783][ T44] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[ 493.000853][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 493.000923][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 493.000999][ T44] schedule (kernel/sched/core.c:7268 kernel/sched/core.c:7283)
[ 493.001055][ T44] schedule_preempt_disabled (kernel/sched/core.c:7340)
[ 493.001135][ T44] __mutex_lock (kernel/locking/mutex.c:726 kernel/locking/mutex.c:820)
[ 493.001209][ T44] ? __ethtool_get_link_ksettings (./include/linux/netdevice.h:2835 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/ethtool/ioctl.c:462)
[ 493.001309][ T44] ? ww_mutex_lock (kernel/locking/mutex.c:933)
[ 493.001395][ T44] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[ 493.001469][ T44] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[ 493.001544][ T44] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180)
[ 493.001617][ T44] ? rt6_multipath_rebalance (./include/net/addrconf.h:348 (discriminator 4))
[ 493.001694][ T44] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4411 (discriminator 2))
[ 493.001787][ T44] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[ 493.001863][ T44] ? __local_bh_enable_ip (kernel/softirq.c:455)
[ 493.001936][ T44] ? __local_bh_enable_ip (kernel/softirq.c:455)
[ 493.002006][ T44] ? fib6_walk (net/ipv6/ip6_fib.c:89 net/ipv6/ip6_fib.c:2229)
[ 493.002078][ T44] ? __ethtool_get_link_ksettings (./include/linux/netdevice.h:2835 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/ethtool/ioctl.c:462)
[ 493.002164][ T44] __ethtool_get_link_ksettings (./include/linux/netdevice.h:2835 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/ethtool/ioctl.c:462)
[ 493.002250][ T44] ? fib6_walk (./include/linux/list.h:262 net/ipv6/ip6_fib.c:88 net/ipv6/ip6_fib.c:2229)
[ 493.002320][ T44] port_cost (net/bridge/br_if.c:39)
[ 493.002378][ T44] ? br_multicast_flood (??:?)
[ 493.002448][ T44] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[ 493.002517][ T44] ? packet_notifier (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/packet/af_packet.c:4234 (discriminator 2))
[ 493.002591][ T44] br_port_carrier_check (net/bridge/br_if.c:80)
[ 493.002665][ T44] br_device_event (net/bridge/br.c:101)
[ 493.002735][ T44] ? fib6_ifdown (net/ipv6/route.c:4962)
[ 493.002803][ T44] ? packet_sendmsg_spkt (af_packet.c:?)
[ 493.002878][ T44] notifier_call_chain (kernel/notifier.c:85)
[ 493.002954][ T44] netif_state_change (net/core/dev.c:1603)
[ 493.003024][ T44] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[ 493.003109][ T44] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[ 493.003177][ T44] __linkwatch_run_queue (net/core/link_watch.c:240)
[ 493.003246][ T44] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[ 493.003314][ T44] linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[ 493.003387][ T44] ? __linkwatch_run_queue (net/core/link_watch.c:213)
[ 493.003458][ T44] process_one_work (kernel/workqueue.c:3314)
[ 493.003533][ T44] ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[ 493.003600][ T44] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[ 493.003672][ T44] worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[ 493.003742][ T44] ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[ 493.003814][ T44] kthread (kernel/kthread.c:436)
[ 493.003870][ T44] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 493.003965][ T44] ? kthread_affine_node (kernel/kthread.c:378)
[ 493.004036][ T44] ret_from_fork (arch/x86/kernel/process.c:158)
[ 493.004104][ T44] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[ 493.004190][ T44] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[ 493.004258][ T44] ? kthread_affine_node (kernel/kthread.c:378)
[ 493.004333][ T44] ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [ 493.004409][ T44]
| [ 493.004462][ T44] INFO: task kworker/u17:1:46 is blocked on a mutex likely owned by task kworker/u17:1:46.
[ 493.004601][ T44] INFO: task bridge:330 blocked for more than 368 seconds.
[ 493.004697][ T44] Not tainted 7.1.0-rc5-virtme #1
[ 493.004762][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 493.004874][ T44] task:bridge state:D stack:25840 pid:330 tgid:330 ppid:329 task_flags:0x400100 flags:0x00080000
[ 493.005040][ T44] Call Trace:
[ 493.005091][ T44]
[ 493.005126][ T44] __schedule (kernel/sched/core.c:5388 kernel/sched/core.c:7189)
[ 493.005196][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 493.005265][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 493.005339][ T44] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[ 493.005408][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 493.005478][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 493.005548][ T44] schedule (kernel/sched/core.c:7268 kernel/sched/core.c:7283)
[ 493.005604][ T44] schedule_preempt_disabled (kernel/sched/core.c:7340)
[ 493.005677][ T44] __mutex_lock (kernel/locking/mutex.c:726 kernel/locking/mutex.c:820)
[ 493.005751][ T44] ? rtnl_dump_ifinfo (net/core/rtnetlink.c:80 net/core/rtnetlink.c:2554)
[ 493.005823][ T44] ? ww_mutex_lock (kernel/locking/mutex.c:933)
[ 493.005895][ T44] ? nla_get_range_signed (lib/nlattr.c:270)
[ 493.005975][ T44] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[ 493.006066][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 493.006139][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 493.006212][ T44] ? __nla_validate_parse (lib/nlattr.c:635)
[ 493.006285][ T44] ? rtnl_dump_ifinfo (net/core/rtnetlink.c:80 net/core/rtnetlink.c:2554)
[ 493.006360][ T44] rtnl_dump_ifinfo (net/core/rtnetlink.c:80 net/core/rtnetlink.c:2554)
[ 493.006434][ T44] ? rtnl_fill_ifinfo.isra.0 (net/core/rtnetlink.c:2212)
[ 493.006527][ T44] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[ 493.006604][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 493.006677][ T44] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[ 493.006755][ T44] ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[ 493.006831][ T44] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[ 493.006906][ T44] ? __kmalloc_node_track_caller_noprof (mm/slub.c:5297 mm/slub.c:5408)
[ 493.007002][ T44] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[ 493.007077][ T44] ? __alloc_skb (./include/linux/instrumented.h:97 ./include/linux/atomic/atomic-instrumented.h:67 net/core/skbuff.c:408 net/core/skbuff.c:720)
[ 493.007157][ T44] ? __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:695 (discriminator 2))
[ 493.007234][ T44] ? napi_skb_cache_get (./include/linux/local_lock_internal.h:61)
[ 493.007309][ T44] rtnl_dumpit (net/core/rtnetlink.c:6931)
[ 493.007372][ T44] netlink_dump (net/netlink/af_netlink.c:2331)
[ 493.007447][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 493.007520][ T44] ? ww_mutex_lock (kernel/locking/mutex.c:933)
[ 493.007591][ T44] ? netlink_lookup (./include/linux/refcount.h:291)
[ 493.007668][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 493.007739][ T44] __netlink_dump_start (net/netlink/af_netlink.c:2446)
[ 493.007809][ T44] ? rtnl_fill_ifinfo.isra.0 (net/core/rtnetlink.c:2212)
[ 493.007895][ T44] rtnetlink_rcv_msg (./include/linux/netlink.h:341 net/core/rtnetlink.c:6960 net/core/rtnetlink.c:7027)
[ 493.007971][ T44] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[ 493.008043][ T44] ? rtnl_unlock (net/core/rtnetlink.c:157)
[ 493.008114][ T44] ? rtnl_fill_ifinfo.isra.0 (net/core/rtnetlink.c:2212)
[ 493.008200][ T44] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[ 493.008275][ T44] netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[ 493.008349][ T44] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[ 493.008419][ T44] ? lock_release (./include/trace/events/lock.h:69 (discriminator 22) kernel/locking/lockdep.c:5879 (discriminator 22))
[ 493.008489][ T44] ? netlink_ack (./include/linux/skbuff.h:2720)
[ 493.008559][ T44] ? __netlink_lookup (./include/linux/rcupdate.h:839 ./include/linux/rhashtable.h:708 net/netlink/af_netlink.c:499)
[ 493.008650][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 493.008722][ T44] ? lock_release (./include/trace/events/lock.h:69 (discriminator 22) kernel/locking/lockdep.c:5879 (discriminator 22))
[ 493.008791][ T44] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[ 493.008864][ T44] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[ 493.008937][ T44] netlink_sendmsg (net/netlink/af_netlink.c:1900)
[ 493.009008][ T44] ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[ 493.009080][ T44] ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 6))
[ 493.009151][ T44] ? do_anonymous_page (./include/linux/pgtable.h:117 mm/memory.c:5433)
[ 493.009223][ T44] __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[ 493.009295][ T44] ? __ia32_sys_getpeername (net/socket.c:2219)
[ 493.009371][ T44] ? __pmd_alloc (./include/linux/mm.h:1682)
[ 493.009442][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 493.009513][ T44] ? lock_release (./include/trace/events/lock.h:69 (discriminator 22) kernel/locking/lockdep.c:5879 (discriminator 22))
[ 493.009595][ T44] __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[ 493.009673][ T44] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 493.009766][ T44] ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[ 493.009865][ T44] ? irqentry_exit (./include/linux/irq-entry-common.h:272 ./include/linux/irq-entry-common.h:317 kernel/entry/common.c:162)
[ 493.009944][ T44] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[ 493.010021][ T44] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[ 493.010097][ T44] ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[ 493.010172][ T44] ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[ 493.010245][ T44] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[ 493.010342][ T44] RIP: 0033:0x7f88e11e408e
[ 493.010424][ T44] RSP: 002b:00007fff08cd0870 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 493.010539][ T44] RAX: ffffffffffffffda RBX: 00007fff08cd0ad8 RCX: 00007f88e11e408e
[ 493.010653][ T44] RDX: 0000000000000028 RSI: 00007fff08cd08d0 RDI: 0000000000000005
[ 493.010764][ T44] RBP: 00007fff08cd0880 R08: 0000000000000000 R09: 0000000000000000
[ 493.010876][ T44] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff08cd0ac8
[ 493.010990][ T44] R13: 0000000000000009 R14: 00007f88e1488000 R15: 0000000000423c78
| [ 493.011104][ T44]
| [ 493.011161][ T44] INFO: task bridge:330 is blocked on a mutex likely owned by task kworker/u17:1:46.
| [ 493.011284][ T44] INFO: lockdep is turned off.
[ 615.877349][ T44] INFO: task kworker/u16:0:12 blocked for more than 491 seconds.
[ 615.877557][ T44] Not tainted 7.1.0-rc5-virtme #1
[ 615.877640][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 615.877785][ T44] task:kworker/u16:0 state:D stack:26704 pid:12 tgid:12 ppid:2 task_flags:0x4208060 flags:0x00080000
[ 615.877957][ T44] Workqueue: ipv6_addrconf addrconf_verify_work
[ 615.878053][ T44] Call Trace:
[ 615.878113][ T44]
[ 615.878154][ T44] __schedule (kernel/sched/core.c:5388 kernel/sched/core.c:7189)
[ 615.878248][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 615.878319][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 615.878404][ T44] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[ 615.878474][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 615.878543][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 615.878612][ T44] schedule (kernel/sched/core.c:7268 kernel/sched/core.c:7283)
[ 615.878664][ T44] schedule_preempt_disabled (kernel/sched/core.c:7340)
[ 615.878733][ T44] __mutex_lock (kernel/locking/mutex.c:726 kernel/locking/mutex.c:820)
[ 615.878804][ T44] ? addrconf_verify_work (./include/linux/rtnetlink.h:130 net/ipv6/addrconf.c:4761)
[ 615.878875][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 615.878947][ T44] ? ww_mutex_lock (kernel/locking/mutex.c:933)
[ 615.879015][ T44] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[ 615.879102][ T44] ? debug_object_deactivate (lib/debugobjects.c:915 (discriminator 3))
[ 615.879178][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 615.879248][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 615.879322][ T44] ? addrconf_verify_work (./include/linux/rtnetlink.h:130 net/ipv6/addrconf.c:4761)
[ 615.879395][ T44] addrconf_verify_work (./include/linux/rtnetlink.h:130 net/ipv6/addrconf.c:4761)
[ 615.879464][ T44] process_one_work (kernel/workqueue.c:3314)
[ 615.879537][ T44] ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[ 615.879606][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 615.879675][ T44] ? find_held_lock (kernel/locking/lockdep.c:5350)
[ 615.879745][ T44] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 615.879825][ T44] worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[ 615.879897][ T44] ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[ 615.879969][ T44] kthread (kernel/kthread.c:436)
[ 615.880022][ T44] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 615.880113][ T44] ? kthread_affine_node (kernel/kthread.c:378)
[ 615.880185][ T44] ret_from_fork (arch/x86/kernel/process.c:158)
[ 615.880255][ T44] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[ 615.880352][ T44] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[ 615.880422][ T44] ? kthread_affine_node (kernel/kthread.c:378)
Finger prints:
__schedule:schedule:schedule_preempt_disabled:__mutex_lock:__ethtool_get_link_ksettings
__schedule:schedule:schedule_preempt_disabled:__mutex_lock:addrconf_verify_work
validate_chain:__lock_acquire:__mutex_lock:__ethtool_get_link_ksettings:port_cost
__schedule:schedule:schedule_preempt_disabled:__mutex_lock:rtnl_dump_ifinfo