[ 615.747895][ T44] INFO: task ip:4180 blocked for more than 122 seconds.
[ 615.748276][ T44] Not tainted 6.18.0-rc7-virtme #1
[ 615.748407][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 615.748624][ T44] task:ip state:D stack:25496 pid:4180 tgid:4180 ppid:4175 task_flags:0x400100 flags:0x00080001
[ 615.749018][ T44] Call Trace:
[ 615.749110][ T44]
[ 615.749178][ T44] __schedule+0x88d/0x1b90
[ 615.749308][ T44] ? io_schedule_timeout+0x130/0x130
[ 615.749423][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 615.749546][ T44] ? __lock_release.isra.0+0x59/0x170
[ 615.749663][ T44] ? __lock_release.isra.0+0x59/0x170
[ 615.749773][ T44] schedule+0xd4/0x260
[ 615.749867][ T44] schedule_preempt_disabled+0x18/0x30
[ 615.749974][ T44] __mutex_lock+0x9ae/0x1500
[ 615.750083][ T44] ? napi_enable+0x3b/0x80
[ 615.750195][ T44] ? virtqueue_add_inbuf_ctx+0x1850/0x1850
[ 615.750339][ T44] ? ww_mutex_lock+0x160/0x160
[ 615.750444][ T44] ? __asan_memset+0x27/0x50
[ 615.750557][ T44] ? sg_init_table+0x19/0x60
[ 615.750668][ T44] ? try_fill_recv+0x3ec/0x1750
[ 615.750780][ T44] ? napi_enable+0x3b/0x80
[ 615.750889][ T44] napi_enable+0x3b/0x80
[ 615.750969][ T44] __virtnet_rx_resume+0x156/0x290
[ 615.751076][ T44] ? queue_delayed_work_on+0x91/0x100
[ 615.751184][ T44] virtnet_rx_resume_all+0xe7/0x1a0
[ 615.751292][ T44] virtnet_xdp_set+0xef7/0x1aa0
[ 615.751409][ T44] ? virtnet_xdp_set+0x1aa0/0x1aa0
[ 615.751516][ T44] dev_xdp_install+0x3e4/0x8e0
[ 615.752024][ T44] ? netif_skb_check_for_xdp+0x600/0x600
[ 615.752134][ T44] dev_xdp_attach+0x50d/0x1320
[ 615.752244][ T44] ? bpf_xdp_link_update+0x6e0/0x6e0
[ 615.752349][ T44] ? __bpf_prog_get+0x320/0x320
[ 615.752459][ T44] dev_change_xdp_fd+0x182/0x240
[ 615.752573][ T44] do_setlink.isra.0+0x1c2d/0x2880
[ 615.752682][ T44] ? rtnl_newlink_create+0x900/0x900
[ 615.752791][ T44] ? rcu_lockdep_current_cpu_online+0x3e/0x1b0
[ 615.752929][ T44] ? rcu_read_lock_any_held+0x41/0xa0
[ 615.753037][ T44] ? validate_chain+0x287/0x5f0
[ 615.753147][ T44] ? rcu_read_lock_any_held+0x6b/0xa0
[ 615.753260][ T44] ? stack_depot_save_flags+0x3e1/0x6e0
[ 615.753367][ T44] ? __lock_acquire+0x34c/0x740
[ 615.753480][ T44] ? trace_lock_acquire+0x88/0xd0
[ 615.753595][ T44] ? perf_trace_sched_switch+0x6d0/0x6d0
[ 615.753705][ T44] ? lock_acquire+0x31/0x80
[ 615.753817][ T44] ? rtnl_newlink+0x5df/0xb20
[ 615.753928][ T44] ? rcu_is_watching+0x15/0xd0
[ 615.754031][ T44] ? rcu_is_watching+0x15/0xd0
[ 615.754136][ T44] ? trace_contention_end+0xd6/0x140
[ 615.754258][ T44] ? rtnl_newlink+0x5df/0xb20
[ 615.754361][ T44] ? __mutex_lock+0x32e/0x1500
[ 615.754469][ T44] ? ww_mutex_lock+0x160/0x160
[ 615.754577][ T44] ? nla_validate_int_range+0x5b0/0x5b0
[ 615.754684][ T44] ? __rtnl_newlink+0x3fa/0xa40
[ 615.754793][ T44] rtnl_newlink+0x637/0xb20
[ 615.754906][ T44] ? __rtnl_newlink+0xa40/0xa40
[ 615.755013][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 615.755119][ T44] ? find_held_lock+0x2b/0x80
[ 615.755225][ T44] ? __rtnl_newlink+0xa40/0xa40
[ 615.755330][ T44] ? __lock_release.isra.0+0x59/0x170
[ 615.755435][ T44] ? __rtnl_newlink+0xa40/0xa40
[ 615.755543][ T44] rtnetlink_rcv_msg+0x6fe/0xb90
[ 615.755654][ T44] ? rtnl_port_fill+0x940/0x940
[ 615.755757][ T44] ? __lock_acquire+0x34c/0x740
[ 615.755871][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 615.755978][ T44] ? find_held_lock+0x2b/0x80
[ 615.756088][ T44] netlink_rcv_skb+0x123/0x380
[ 615.756195][ T44] ? rtnl_port_fill+0x940/0x940
[ 615.756303][ T44] ? netlink_ack+0xcc0/0xcc0
[ 615.756413][ T44] ? netlink_deliver_tap+0x13f/0x330
[ 615.756522][ T44] netlink_unicast+0x4a3/0x770
[ 615.756630][ T44] ? netlink_attachskb+0x810/0x810
[ 615.756740][ T44] ? __lock_acquire+0x34c/0x740
[ 615.756859][ T44] netlink_sendmsg+0x735/0xc60
[ 615.756966][ T44] ? netlink_unicast+0x770/0x770
[ 615.757073][ T44] ? __might_fault+0x97/0x140
[ 615.757182][ T44] ____sys_sendmsg+0x419/0x850
[ 615.757289][ T44] ? copy_msghdr_from_user+0x270/0x430
[ 615.757404][ T44] ? get_timestamp.constprop.0+0x3a0/0x3a0
[ 615.757542][ T44] ? move_addr_to_kernel+0x40/0x40
[ 615.757652][ T44] ? stack_depot_save_flags+0x3e1/0x6e0
[ 615.757756][ T44] ? validate_chain+0x287/0x5f0
[ 615.757865][ T44] ___sys_sendmsg+0xfd/0x180
[ 615.757972][ T44] ? __call_rcu_common.constprop.0+0xa5/0x680
[ 615.758104][ T44] ? copy_msghdr_from_user+0x430/0x430
[ 615.758224][ T44] __sys_sendmsg+0x124/0x1c0
[ 615.758330][ T44] ? __sys_sendmsg_sock+0x20/0x20
[ 615.758439][ T44] ? lockdep_hardirqs_on+0x84/0x130
[ 615.758598][ T44] ? __call_rcu_common.constprop.0+0x2fa/0x680
[ 615.758732][ T44] ? do_raw_spin_unlock+0x59/0x250
[ 615.758840][ T44] ? rcu_is_watching+0x15/0xd0
[ 615.758945][ T44] do_syscall_64+0xbb/0xfd0
[ 615.759052][ T44] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 615.759183][ T44] RIP: 0033:0x7fc09c451c5e
[ 615.759300][ T44] RSP: 002b:00007fffd152fae0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[ 615.759467][ T44] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc09c451c5e
[ 615.759628][ T44] RDX: 0000000000000000 RSI: 00007fffd152fba0 RDI: 0000000000000003
[ 615.759787][ T44] RBP: 00007fffd152faf0 R08: 0000000000000000 R09: 0000000000000000
[ 615.759949][ T44] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffd1530260
[ 615.760117][ T44] R13: 00000000692b8c95 R14: 0000000000000000 R15: 0000000000499600
[ 615.760302][ T44]
[ 615.760396][ T44] INFO: task ip:4180 is blocked on a mutex likely owned by task kworker/2:2:65.
[ 615.760578][ T44] task:kworker/2:2 state:D stack:28400 pid:65 tgid:65 ppid:2 task_flags:0x4208060 flags:0x00080000
[ 615.760812][ T44] Workqueue: events refill_work
[ 615.760932][ T44] Call Trace:
[ 615.761011][ T44]
[ 615.761068][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 615.761175][ T44] ? io_schedule_timeout+0x130/0x130
[ 615.761283][ T44] ? usleep_range_state+0xba/0x1b0
[ 615.761387][ T44] ? find_held_lock+0x2b/0x80
[ 615.761491][ T44] ? __lock_release.isra.0+0x59/0x170
[ 615.761596][ T44] ? _raw_spin_unlock_irqrestore+0x53/0x80
[ 615.761730][ T44] ? usleep_range_state+0xba/0x1b0
[ 615.761838][ T44] ? schedule+0xd4/0x260
[ 615.761918][ T44] ? schedule_hrtimeout_range_clock+0x1da/0x2f0
[ 615.762048][ T44] ? schedule_timeout_idle+0xe0/0xe0
[ 615.762154][ T44] ? hrtimer_cb_get_time+0x90/0x90
[ 615.762262][ T44] ? lockdep_hardirqs_on+0x84/0x130
[ 615.762369][ T44] ? ktime_get+0x15e/0x220
[ 615.762472][ T44] ? kvm_clock_get_cycles+0x18/0x30
[ 615.762582][ T44] ? ktime_get+0xa9/0x220
[ 615.762661][ T44] ? usleep_range_state+0x133/0x1b0
[ 615.762767][ T44] ? schedule_hrtimeout+0x20/0x20
[ 615.762876][ T44] ? perf_trace_sched_switch+0x6d0/0x6d0
[ 615.762983][ T44] ? napi_disable_locked+0x379/0x5f0
[ 615.763093][ T44] ? _mutex_trylock_nest_lock+0x150/0x150
[ 615.763199][ T44] ? netdev_bind_sb_channel_queue+0x470/0x470
[ 615.763330][ T44] ? napi_disable+0x43/0x80
[ 615.763435][ T44] ? refill_work+0x116/0x210
[ 615.763544][ T44] ? process_one_work+0xd57/0x1390
[ 615.763652][ T44] ? pwq_dec_nr_in_flight+0x700/0x700
[ 615.763757][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 615.763876][ T44] ? assign_work+0x152/0x380
[ 615.763982][ T44] ? worker_thread+0x4d6/0xd40
[ 615.764089][ T44] ? process_one_work+0x1390/0x1390
[ 615.764193][ T44] ? __kthread_parkme+0xb3/0x200
[ 615.764302][ T44] ? process_one_work+0x1390/0x1390
[ 615.764406][ T44] ? kthread+0x355/0x5b0
[ 615.764486][ T44] ? kthread_is_per_cpu+0xe0/0xe0
[ 615.764598][ T44] ? __lock_release.isra.0+0x59/0x170
[ 615.764703][ T44] ? rcu_is_watching+0x15/0xd0
[ 615.764810][ T44] ? kthread_is_per_cpu+0xe0/0xe0
[ 615.764921][ T44] ? ret_from_fork+0x1d4/0x270
[ 615.765025][ T44] ? kthread_is_per_cpu+0xe0/0xe0
[ 615.765130][ T44] ? ret_from_fork_asm+0x11/0x20
[ 615.765245][ T44]
[ 615.765329][ T44]
[ 615.765329][ T44] Showing all locks held in the system:
[ 615.765490][ T44] 3 locks held by kworker/u16:0/12:
[ 615.765599][ T44] #0: ff1100000f484d48 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0xcb4/0x1390
[ 615.765808][ T44] #1: ffa00000000c7d30 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0xd16/0x1390
[ 615.766064][ T44] #2: ffffffff92292928 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_verify_work+0x12/0x30
[ 615.766253][ T44] 1 lock held by khungtaskd/44:
[ 615.766353][ T44] #0: ffffffff91b78fc0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2b/0x1db
[ 615.766538][ T44] 3 locks held by kworker/2:2/65:
[ 615.766653][ T44] 2 locks held by ip/4180:
[ 615.766755][ T44] #0: ffffffff92292928 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x5df/0xb20
[ 615.766938][ T44] #1: ff1100000ee92c98 (&dev->lock){+.+.}-{4:4}, at: napi_enable+0x3b/0x80
[ 615.767114][ T44]
[ 615.767170][ T44] =============================================
[ 615.767170][ T44]
[ 738.627870][ T44] INFO: task kworker/u16:0:12 blocked for more than 122 seconds.
[ 738.628176][ T44] Not tainted 6.18.0-rc7-virtme #1
[ 738.628309][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 738.628537][ T44] task:kworker/u16:0 state:D stack:26400 pid:12 tgid:12 ppid:2 task_flags:0x4208060 flags:0x00080000
[ 738.628856][ T44] Workqueue: ipv6_addrconf addrconf_verify_work
[ 738.629020][ T44] Call Trace:
[ 738.629116][ T44]
[ 738.629181][ T44] __schedule+0x88d/0x1b90
[ 738.629323][ T44] ? io_schedule_timeout+0x130/0x130
[ 738.629456][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 738.629582][ T44] ? __lock_release.isra.0+0x59/0x170
[ 738.629710][ T44] ? __lock_release.isra.0+0x59/0x170
[ 738.629839][ T44] schedule+0xd4/0x260
[ 738.629929][ T44] schedule_preempt_disabled+0x18/0x30
[ 738.630047][ T44] __mutex_lock+0x9ae/0x1500
[ 738.630169][ T44] ? addrconf_verify_work+0x12/0x30
[ 738.630298][ T44] ? ww_mutex_lock+0x160/0x160
[ 738.630418][ T44] ? process_one_work+0xd16/0x1390
[ 738.630537][ T44] ? trace_lock_acquire+0x88/0xd0
[ 738.630654][ T44] ? trace_lock_acquire+0x88/0xd0
[ 738.630777][ T44] ? addrconf_verify_work+0x12/0x30
[ 738.630908][ T44] addrconf_verify_work+0x12/0x30
[ 738.631028][ T44] process_one_work+0xd57/0x1390
[ 738.631154][ T44] ? pwq_dec_nr_in_flight+0x700/0x700
[ 738.631274][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 738.631396][ T44] ? assign_work+0x152/0x380
[ 738.631516][ T44] worker_thread+0x4d6/0xd40
[ 738.631639][ T44] ? process_one_work+0x1390/0x1390
[ 738.631763][ T44] kthread+0x355/0x5b0
[ 738.631862][ T44] ? kthread_is_per_cpu+0xe0/0xe0
[ 738.631981][ T44] ? __lock_release.isra.0+0x59/0x170
[ 738.632098][ T44] ? rcu_is_watching+0x15/0xd0
[ 738.632218][ T44] ? kthread_is_per_cpu+0xe0/0xe0
[ 738.632341][ T44] ret_from_fork+0x1d4/0x270
[ 738.632459][ T44] ? kthread_is_per_cpu+0xe0/0xe0
[ 738.632576][ T44] ret_from_fork_asm+0x11/0x20
[ 738.632702][ T44]
[ 738.632837][ T44] INFO: task kworker/u16:0:12 is blocked on a mutex likely owned by task ip:4180.
[ 738.633055][ T44] INFO: task ip:4180 blocked for more than 245 seconds.
[ 738.633191][ T44] Not tainted 6.18.0-rc7-virtme #1
[ 738.633309][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 738.633504][ T44] task:ip state:D stack:25496 pid:4180 tgid:4180 ppid:4175 task_flags:0x400100 flags:0x00080001
[ 738.633773][ T44] Call Trace:
[ 738.633868][ T44]
[ 738.633928][ T44] __schedule+0x88d/0x1b90
[ 738.634050][ T44] ? io_schedule_timeout+0x130/0x130
[ 738.634170][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 738.634294][ T44] ? __lock_release.isra.0+0x59/0x170
[ 738.634412][ T44] ? __lock_release.isra.0+0x59/0x170
[ 738.634535][ T44] schedule+0xd4/0x260
[ 738.634629][ T44] schedule_preempt_disabled+0x18/0x30
[ 738.634752][ T44] __mutex_lock+0x9ae/0x1500
[ 738.634876][ T44] ? napi_enable+0x3b/0x80
[ 738.634997][ T44] ? virtqueue_add_inbuf_ctx+0x1850/0x1850
[ 738.635144][ T44] ? ww_mutex_lock+0x160/0x160
[ 738.635266][ T44] ? __asan_memset+0x27/0x50
[ 738.635384][ T44] ? sg_init_table+0x19/0x60
[ 738.635506][ T44] ? try_fill_recv+0x3ec/0x1750
[ 738.635625][ T44] ? napi_enable+0x3b/0x80
[ 738.635749][ T44] napi_enable+0x3b/0x80
[ 738.635843][ T44] __virtnet_rx_resume+0x156/0x290
[ 738.635962][ T44] ? queue_delayed_work_on+0x91/0x100
[ 738.636080][ T44] virtnet_rx_resume_all+0xe7/0x1a0
[ 738.636198][ T44] virtnet_xdp_set+0xef7/0x1aa0
[ 738.636328][ T44] ? virtnet_xdp_set+0x1aa0/0x1aa0
[ 738.636446][ T44] dev_xdp_install+0x3e4/0x8e0
[ 738.636564][ T44] ? netif_skb_check_for_xdp+0x600/0x600
[ 738.636689][ T44] dev_xdp_attach+0x50d/0x1320
[ 738.636812][ T44] ? bpf_xdp_link_update+0x6e0/0x6e0
[ 738.636935][ T44] ? __bpf_prog_get+0x320/0x320
[ 738.637060][ T44] dev_change_xdp_fd+0x182/0x240
[ 738.637178][ T44] do_setlink.isra.0+0x1c2d/0x2880
[ 738.637302][ T44] ? rtnl_newlink_create+0x900/0x900
[ 738.637418][ T44] ? rcu_lockdep_current_cpu_online+0x3e/0x1b0
[ 738.637569][ T44] ? rcu_read_lock_any_held+0x41/0xa0
[ 738.637692][ T44] ? validate_chain+0x287/0x5f0
[ 738.637811][ T44] ? rcu_read_lock_any_held+0x6b/0xa0
[ 738.637933][ T44] ? stack_depot_save_flags+0x3e1/0x6e0
[ 738.638055][ T44] ? __lock_acquire+0x34c/0x740
[ 738.638178][ T44] ? trace_lock_acquire+0x88/0xd0
[ 738.638297][ T44] ? perf_trace_sched_switch+0x6d0/0x6d0
[ 738.638415][ T44] ? lock_acquire+0x31/0x80
[ 738.638530][ T44] ? rtnl_newlink+0x5df/0xb20
[ 738.638645][ T44] ? rcu_is_watching+0x15/0xd0
[ 738.638769][ T44] ? rcu_is_watching+0x15/0xd0
[ 738.638890][ T44] ? trace_contention_end+0xd6/0x140
[ 738.639009][ T44] ? rtnl_newlink+0x5df/0xb20
[ 738.639125][ T44] ? __mutex_lock+0x32e/0x1500
[ 738.639253][ T44] ? ww_mutex_lock+0x160/0x160
[ 738.639372][ T44] ? nla_validate_int_range+0x5b0/0x5b0
[ 738.639495][ T44] ? __rtnl_newlink+0x3fa/0xa40
[ 738.639613][ T44] rtnl_newlink+0x637/0xb20
[ 738.639739][ T44] ? __rtnl_newlink+0xa40/0xa40
[ 738.639865][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 738.639981][ T44] ? find_held_lock+0x2b/0x80
[ 738.640098][ T44] ? __rtnl_newlink+0xa40/0xa40
[ 738.640213][ T44] ? __lock_release.isra.0+0x59/0x170
[ 738.640337][ T44] ? __rtnl_newlink+0xa40/0xa40
[ 738.640453][ T44] rtnetlink_rcv_msg+0x6fe/0xb90
[ 738.640571][ T44] ? rtnl_port_fill+0x940/0x940
[ 738.640691][ T44] ? __lock_acquire+0x34c/0x740
[ 738.640814][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 738.640936][ T44] ? find_held_lock+0x2b/0x80
[ 738.641056][ T44] netlink_rcv_skb+0x123/0x380
[ 738.641174][ T44] ? rtnl_port_fill+0x940/0x940
[ 738.641296][ T44] ? netlink_ack+0xcc0/0xcc0
[ 738.641421][ T44] ? netlink_deliver_tap+0x13f/0x330
[ 738.641539][ T44] netlink_unicast+0x4a3/0x770
[ 738.641660][ T44] ? netlink_attachskb+0x810/0x810
[ 738.641805][ T44] ? __lock_acquire+0x34c/0x740
[ 738.641931][ T44] netlink_sendmsg+0x735/0xc60
[ 738.642051][ T44] ? netlink_unicast+0x770/0x770
[ 738.642172][ T44] ? __might_fault+0x97/0x140
[ 738.642297][ T44] ____sys_sendmsg+0x419/0x850
[ 738.642416][ T44] ? copy_msghdr_from_user+0x270/0x430
[ 738.642534][ T44] ? get_timestamp.constprop.0+0x3a0/0x3a0
[ 738.642687][ T44] ? move_addr_to_kernel+0x40/0x40
[ 738.642809][ T44] ? stack_depot_save_flags+0x3e1/0x6e0
[ 738.642937][ T44] ? validate_chain+0x287/0x5f0
[ 738.643059][ T44] ___sys_sendmsg+0xfd/0x180
[ 738.643178][ T44] ? __call_rcu_common.constprop.0+0xa5/0x680
[ 738.643325][ T44] ? copy_msghdr_from_user+0x430/0x430
[ 738.643454][ T44] __sys_sendmsg+0x124/0x1c0
[ 738.643576][ T44] ? __sys_sendmsg_sock+0x20/0x20
[ 738.643708][ T44] ? lockdep_hardirqs_on+0x84/0x130
[ 738.643831][ T44] ? __call_rcu_common.constprop.0+0x2fa/0x680
[ 738.643983][ T44] ? do_raw_spin_unlock+0x59/0x250
[ 738.644102][ T44] ? rcu_is_watching+0x15/0xd0
[ 738.644219][ T44] do_syscall_64+0xbb/0xfd0
[ 738.644346][ T44] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 738.644494][ T44] RIP: 0033:0x7fc09c451c5e
[ 738.644624][ T44] RSP: 002b:00007fffd152fae0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[ 738.644808][ T44] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc09c451c5e
[ 738.644997][ T44] RDX: 0000000000000000 RSI: 00007fffd152fba0 RDI: 0000000000000003
[ 738.645174][ T44] RBP: 00007fffd152faf0 R08: 0000000000000000 R09: 0000000000000000
[ 738.645364][ T44] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffd1530260
[ 738.645543][ T44] R13: 00000000692b8c95 R14: 0000000000000000 R15: 0000000000499600
[ 738.645733][ T44]
[ 738.645833][ T44] INFO: task ip:4180 is blocked on a mutex likely owned by task kworker/2:2:65.
[ 738.646034][ T44] task:kworker/2:2 state:D stack:28400 pid:65 tgid:65 ppid:2 task_flags:0x4208060 flags:0x00080000
[ 738.646299][ T44] Workqueue: events refill_work
[ 738.646417][ T44] Call Trace:
[ 738.646508][ T44]
[ 738.646572][ T44] ? __schedule+0x895/0x1b90
[ 738.646695][ T44] ? io_schedule_timeout+0x130/0x130
[ 738.646816][ T44] ? usleep_range_state+0xba/0x1b0
[ 738.646964][ T44] ? usleep_range_state+0xba/0x1b0
[ 738.647089][ T44] ? debug_object_init_on_stack+0x30/0x30
[ 738.647208][ T44] ? usleep_range_state+0xba/0x1b0
[ 738.647332][ T44] ? __lock_release.isra.0+0x59/0x170
[ 738.647451][ T44] ? _raw_spin_unlock_irqrestore+0x53/0x80
[ 738.647598][ T44] ? usleep_range_state+0xba/0x1b0
[ 738.647719][ T44] ? schedule+0xd4/0x260
[ 738.647808][ T44] ? schedule_hrtimeout_range_clock+0x1da/0x2f0
[ 738.647967][ T44] ? schedule_timeout_idle+0xe0/0xe0
[ 738.648084][ T44] ? hrtimer_cb_get_time+0x90/0x90
[ 738.648205][ T44] ? lockdep_hardirqs_on+0x84/0x130
[ 738.648326][ T44] ? ktime_get+0x15e/0x220
[ 738.648442][ T44] ? kvm_clock_get_cycles+0x18/0x30
[ 738.648560][ T44] ? ktime_get+0xa9/0x220
[ 738.648654][ T44] ? usleep_range_state+0x133/0x1b0
[ 738.648778][ T44] ? schedule_hrtimeout+0x20/0x20
[ 738.648900][ T44] ? __free_object+0x2ad/0x4b0
[ 738.649019][ T44] ? napi_disable_locked+0x379/0x5f0
[ 738.649136][ T44] ? _mutex_trylock_nest_lock+0x150/0x150
[ 738.649261][ T44] ? netdev_bind_sb_channel_queue+0x470/0x470
[ 738.649415][ T44] ? napi_disable+0x43/0x80
[ 738.649533][ T44] ? refill_work+0x116/0x210
[ 738.649655][ T44] ? process_one_work+0xd57/0x1390
[ 738.649781][ T44] ? pwq_dec_nr_in_flight+0x700/0x700
[ 738.649904][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 738.650024][ T44] ? assign_work+0x152/0x380
[ 738.650143][ T44] ? worker_thread+0x4d6/0xd40
[ 738.650267][ T44] ? process_one_work+0x1390/0x1390
[ 738.650387][ T44] ? __kthread_parkme+0xb3/0x200
[ 738.650510][ T44] ? process_one_work+0x1390/0x1390
[ 738.650627][ T44] ? kthread+0x355/0x5b0
[ 738.650720][ T44] ? kthread_is_per_cpu+0xe0/0xe0
[ 738.650840][ T44] ? __lock_release.isra.0+0x59/0x170
[ 738.650959][ T44] ? rcu_is_watching+0x15/0xd0
[ 738.651099][ T44] ? kthread_is_per_cpu+0xe0/0xe0
[ 738.651219][ T44] ? ret_from_fork+0x1d4/0x270
[ 738.651346][ T44] ? kthread_is_per_cpu+0xe0/0xe0
[ 738.651463][ T44] ? ret_from_fork_asm+0x11/0x20
[ 738.651588][ T44]
[ 738.651692][ T44]
[ 738.651692][ T44] Showing all locks held in the system:
[ 738.652058][ T44] 3 locks held by kworker/u16:0/12:
[ 738.652172][ T44] #0: ff1100000f484d48 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0xcb4/0x1390
[ 738.652411][ T44] #1: ffa00000000c7d30 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0xd16/0x1390
[ 738.652697][ T44] #2: ffffffff92292928 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_verify_work+0x12/0x30
[ 738.652908][ T44] 1 lock held by khungtaskd/44:
[ 738.653022][ T44] #0: ffffffff91b78fc0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2b/0x1db
[ 738.653227][ T44] 3 locks held by kworker/2:2/65:
[ 738.653343][ T44] #0: ff11000001139b48 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0xcb4/0x1390
[ 738.653577][ T44] #1: ffa0000000467d30 ((work_completion)(&(&vi->refill)->work)){+.+.}-{0:0}, at: process_one_work+0xd16/0x1390
[ 738.653840][ T44] #2: ff1100000ee92c98 (&dev->lock){+.+.}-{4:4}, at: napi_disable+0x3b/0x80
[ 738.654056][ T44] 2 locks held by ip/4180:
[ 738.654168][ T44] #0: ffffffff92292928 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x5df/0xb20
[ 738.654373][ T44] #1: ff1100000ee92c98 (&dev->lock){+.+.}-{4:4}, at: napi_enable+0x3b/0x80
[ 738.654572][ T44]
[ 738.654631][ T44] =============================================
[ 738.654631][ T44]