[ 34.668899][ T368] socat (368) used greatest stack depth: 24656 bytes left [ 40.132146][ T392] ip (392) used greatest stack depth: 24616 bytes left [ 57.613227][ T429] socat (429) used greatest stack depth: 24112 bytes left [ 247.186619][ T44] INFO: task ip:450 blocked for more than 122 seconds. [ 247.187143][ T44] Not tainted 6.15.0-rc3-virtme #1 [ 247.187363][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 247.187780][ T44] task:ip state:D stack:24936 pid:450 tgid:450 ppid:332 task_flags:0x400100 flags:0x00004002 [ 247.188312][ T44] Call Trace: [ 247.188493][ T44] [ 247.188620][ T44] __schedule+0x851/0x1b00 [ 247.188866][ T44] ? __pfx___schedule+0x10/0x10 [ 247.189099][ T44] ? schedule+0x1ee/0x270 [ 247.189266][ T44] ? __lock_release+0x5d/0x170 [ 247.189505][ T44] schedule+0xe2/0x270 [ 247.189674][ T44] schedule_preempt_disabled+0x18/0x30 [ 247.189896][ T44] __mutex_lock+0x77f/0xcd0 [ 247.190117][ T44] ? kasan_quarantine_put+0x10d/0x230 [ 247.190338][ T44] ? xdp_features_set_redirect_target+0x23/0x80 [ 247.190624][ T44] ? __pfx___mutex_lock+0x10/0x10 [ 247.190851][ T44] ? kfree+0x144/0x320 [ 247.191023][ T44] ? virtnet_set_guest_offloads+0xf6/0x1b0 [ 247.191303][ T44] ? virtnet_set_guest_offloads+0xf6/0x1b0 [ 247.191598][ T44] ? __pfx_virtnet_set_guest_offloads+0x10/0x10 [ 247.191881][ T44] ? xdp_features_set_redirect_target+0x23/0x80 [ 247.192155][ T44] xdp_features_set_redirect_target+0x23/0x80 [ 247.192430][ T44] virtnet_xdp_set+0x1440/0x1a70 [ 247.192680][ T44] dev_xdp_install+0x41e/0x8c0 [ 247.192902][ T44] ? __pfx_virtnet_xdp+0x10/0x10 [ 247.193122][ T44] ? __pfx_dev_xdp_install+0x10/0x10 [ 247.193356][ T44] dev_xdp_attach+0x53e/0x1120 [ 247.193590][ T44] ? __bpf_prog_get+0x1ac/0x230 [ 247.193814][ T44] ? __pfx_dev_xdp_attach+0x10/0x10 [ 247.194265][ T44] ? __pfx_bpf_prog_get_type_dev+0x10/0x10 [ 247.194558][ T44] dev_change_xdp_fd+0x244/0x290 [ 247.194786][ T44] do_setlink.constprop.0+0x1ffd/0x2790 [ 247.195011][ T44] ? rcu_read_lock_any_held+0x43/0xb0 [ 247.195230][ T44] ? validate_chain+0x166/0x4d0 [ 247.195454][ T44] ? __pfx_do_setlink.constprop.0+0x10/0x10 [ 247.195752][ T44] ? __lock_acquire+0x591/0x9d0 [ 247.195974][ T44] ? mn_hlist_invalidate_range_start+0x1e9/0x590 [ 247.196257][ T44] ? __mutex_trylock_common+0xf9/0x260 [ 247.196507][ T44] ? __pfx___mutex_trylock_common+0x10/0x10 [ 247.196788][ T44] ? rcu_is_watching+0x12/0xc0 [ 247.197026][ T44] ? rcu_is_watching+0x12/0xc0 [ 247.197253][ T44] ? find_held_lock+0x2b/0x80 [ 247.197484][ T44] ? rtnl_newlink+0x651/0xa60 [ 247.197707][ T44] ? __create_object+0x5e/0xb0 [ 247.197929][ T44] ? __pfx___mutex_lock+0x10/0x10 [ 247.198154][ T44] ? trace_cap_capable+0x10f/0x190 [ 247.198375][ T44] ? _raw_spin_unlock_irqrestore+0x46/0x80 [ 247.198655][ T44] ? __rtnl_newlink+0x40e/0xa40 [ 247.198886][ T44] rtnl_newlink+0x69a/0xa60 [ 247.199113][ T44] ? __pfx_rtnl_newlink+0x10/0x10 [ 247.199331][ T44] ? __lock_acquire+0x591/0x9d0 [ 247.199576][ T44] ? find_held_lock+0x2b/0x80 [ 247.199797][ T44] ? rtnetlink_rcv_msg+0x6ed/0xc00 [ 247.200015][ T44] ? __lock_release+0x5d/0x170 [ 247.200237][ T44] ? __pfx_rtnl_newlink+0x10/0x10 [ 247.200458][ T44] rtnetlink_rcv_msg+0x710/0xc00 [ 247.200688][ T44] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 247.200905][ T44] ? validate_chain+0x166/0x4d0 [ 247.201136][ T44] netlink_rcv_skb+0x12f/0x360 [ 247.201359][ T44] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 247.201588][ T44] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 247.201812][ T44] ? __lock_acquire+0x591/0x9d0 [ 247.202043][ T44] ? netlink_deliver_tap+0x13e/0x340 [ 247.202260][ T44] ? __lock_release+0x5d/0x170 [ 247.202488][ T44] ? netlink_deliver_tap+0x13e/0x340 [ 247.202717][ T44] ? netlink_deliver_tap+0xc3/0x340 [ 247.202943][ T44] netlink_unicast+0x449/0x710 [ 247.203167][ T44] ? __pfx_netlink_unicast+0x10/0x10 [ 247.203389][ T44] ? __lock_acquire+0x591/0x9d0 [ 247.203632][ T44] netlink_sendmsg+0x721/0xbe0 [ 247.203857][ T44] ? __pfx_netlink_sendmsg+0x10/0x10 [ 247.204081][ T44] ? __import_iovec+0x238/0x3c0 [ 247.204311][ T44] ____sys_sendmsg+0x7aa/0xa10 [ 247.204540][ T44] ? __pfx_____sys_sendmsg+0x10/0x10 [ 247.204761][ T44] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 247.205049][ T44] ___sys_sendmsg+0xed/0x170 [ 247.205268][ T44] ? kasan_record_aux_stack+0x8c/0xa0 [ 247.205494][ T44] ? __call_rcu_common.constprop.0+0xa1/0x610 [ 247.205778][ T44] ? __pfx____sys_sendmsg+0x10/0x10 [ 247.206002][ T44] ? find_held_lock+0x2b/0x80 [ 247.206228][ T44] ? __lock_acquire+0x591/0x9d0 [ 247.206454][ T44] ? find_held_lock+0x2b/0x80 [ 247.206683][ T44] ? __virt_addr_valid+0x22e/0x450 [ 247.206904][ T44] ? __lock_release+0x5d/0x170 [ 247.207136][ T44] __sys_sendmsg+0x108/0x1a0 [ 247.207358][ T44] ? __pfx___sys_sendmsg+0x10/0x10 [ 247.207607][ T44] ? rcu_is_watching+0x12/0xc0 [ 247.207851][ T44] do_syscall_64+0xc1/0x1d0 [ 247.208138][ T44] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 247.208418][ T44] RIP: 0033:0x7f559e5d49a7 [ 247.208663][ T44] RSP: 002b:00007fff307fd118 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 247.209014][ T44] RAX: ffffffffffffffda RBX: 00007fff307fd848 RCX: 00007f559e5d49a7 [ 247.209346][ T44] RDX: 0000000000000000 RSI: 00007fff307fd180 RDI: 0000000000000003 [ 247.209695][ T44] RBP: 0000000000000009 R08: 00000000ffff7fff R09: 0000000000000000 [ 247.210052][ T44] R10: 00007f559e4924a8 R11: 0000000000000246 R12: 0000000000000009 [ 247.210390][ T44] R13: 00000000681088d5 R14: 0000000000498600 R15: 0000000000000000 [ 247.210753][ T44] [ 247.210955][ T44] INFO: task ip:450 is blocked on a mutex likely owned by task kworker/2:2:63. [ 247.211331][ T44] task:kworker/2:2 state:D stack:28128 pid:63 tgid:63 ppid:2 task_flags:0x4208060 flags:0x00004000 [ 247.211838][ T44] Workqueue: events refill_work [ 247.212088][ T44] Call Trace: [ 247.212266][ T44] [ 247.212385][ T44] __schedule+0x851/0x1b00 [ 247.212629][ T44] ? __pfx___schedule+0x10/0x10 [ 247.212861][ T44] ? schedule+0x1ee/0x270 [ 247.213031][ T44] ? __lock_release+0x5d/0x170 [ 247.213257][ T44] schedule+0xe2/0x270 [ 247.213423][ T44] schedule_hrtimeout_range_clock+0x100/0x2d0 [ 247.213704][ T44] ? __pfx_schedule_hrtimeout_range_clock+0x10/0x10 [ 247.213978][ T44] ? find_held_lock+0x2b/0x80 [ 247.214202][ T44] ? __pfx_hrtimer_wakeup+0x10/0x10 [ 247.214424][ T44] ? ktime_get+0x178/0x200 [ 247.214658][ T44] ? kvm_clock_get_cycles+0x18/0x30 [ 247.214881][ T44] ? ktime_get+0xb8/0x200 [ 247.215048][ T44] usleep_range_state+0x141/0x1d0 [ 247.215287][ T44] ? __pfx_usleep_range_state+0x10/0x10 [ 247.215541][ T44] napi_disable_locked+0x3c0/0x5d0 [ 247.215770][ T44] ? __pfx_napi_disable_locked+0x10/0x10 [ 247.216004][ T44] napi_disable+0x43/0x80 [ 247.216181][ T44] refill_work+0x129/0x220 [ 247.216410][ T44] ? refill_work+0x9b/0x220 [ 247.216655][ T44] process_one_work+0xe40/0x1690 [ 247.216890][ T44] ? __pfx_process_one_work+0x10/0x10 [ 247.217115][ T44] ? assign_work+0x16c/0x240 [ 247.217340][ T44] worker_thread+0x591/0xcf0 [ 247.217576][ T44] ? __pfx_worker_thread+0x10/0x10 [ 247.217803][ T44] kthread+0x37b/0x600 [ 247.217973][ T44] ? __pfx_kthread+0x10/0x10 [ 247.218190][ T44] ? ret_from_fork+0x1b/0x70 [ 247.218407][ T44] ? __lock_release+0x5d/0x170 [ 247.218634][ T44] ? rcu_is_watching+0x12/0xc0 [ 247.218853][ T44] ? __pfx_kthread+0x10/0x10 [ 247.219074][ T44] ret_from_fork+0x31/0x70 [ 247.219291][ T44] ? __pfx_kthread+0x10/0x10 [ 247.219526][ T44] ret_from_fork_asm+0x1a/0x30 [ 247.219769][ T44] [ 247.219937][ T44] [ 247.219937][ T44] Showing all locks held in the system: [ 247.220256][ T44] 1 lock held by khungtaskd/44: [ 247.220487][ T44] #0: ffffffffba3745a0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x36/0x260 [ 247.220873][ T44] 3 locks held by kworker/2:2/63: [ 247.221090][ T44] #0: ffff8880010a1548 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x7e5/0x1690 [ 247.221530][ T44] #1: ffffc90000447d40 ((work_completion)(&(&vi->refill)->work)){+.+.}-{0:0}, at: process_one_work+0xdf6/0x1690 [ 247.222011][ T44] #2: ffff888008e9ac90 (&dev->lock){+.+.}-{4:4}, at: napi_disable+0x3b/0x80 [ 247.222384][ T44] 3 locks held by kworker/u16:1/68: [ 247.222611][ T44] #0: ffff88800946e548 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x7e5/0x1690 [ 247.223040][ T44] #1: ffffc90000497d40 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0xdf6/0x1690 [ 247.223585][ T44] #2: ffffffffbac3ca48 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_verify_work+0x12/0x30 [ 247.223970][ T44] 2 locks held by ip/450: [ 247.224131][ T44] #0: ffffffffbac3ca48 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x651/0xa60 [ 247.224521][ T44] #1: ffff888008e9ac90 (&dev->lock){+.+.}-{4:4}, at: xdp_features_set_redirect_target+0x23/0x80 [ 247.224949][ T44] [ 247.225059][ T44] ============================================= [ 247.225059][ T44] [ 370.066615][ T44] INFO: task kworker/u16:1:68 blocked for more than 122 seconds. [ 370.067126][ T44] Not tainted 6.15.0-rc3-virtme #1 [ 370.067337][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 370.067728][ T44] task:kworker/u16:1 state:D stack:28128 pid:68 tgid:68 ppid:2 task_flags:0x4208060 flags:0x00004000 [ 370.068220][ T44] Workqueue: ipv6_addrconf addrconf_verify_work [ 370.068519][ T44] Call Trace: [ 370.068685][ T44] [ 370.068806][ T44] __schedule+0x851/0x1b00 [ 370.069040][ T44] ? __pfx___schedule+0x10/0x10 [ 370.069271][ T44] ? schedule+0x1ee/0x270 [ 370.069439][ T44] ? __lock_release+0x5d/0x170 [ 370.069677][ T44] schedule+0xe2/0x270 [ 370.069848][ T44] schedule_preempt_disabled+0x18/0x30 [ 370.070069][ T44] __mutex_lock+0x77f/0xcd0 [ 370.070289][ T44] ? validate_chain+0x166/0x4d0 [ 370.070525][ T44] ? addrconf_verify_work+0x12/0x30 [ 370.070751][ T44] ? __pfx___mutex_lock+0x10/0x10 [ 370.070982][ T44] ? rcu_is_watching+0x12/0xc0 [ 370.071207][ T44] ? addrconf_verify_work+0x12/0x30 [ 370.071427][ T44] addrconf_verify_work+0x12/0x30 [ 370.071663][ T44] process_one_work+0xe40/0x1690 [ 370.071907][ T44] ? __pfx_process_one_work+0x10/0x10 [ 370.072141][ T44] ? assign_work+0x16c/0x240 [ 370.072365][ T44] worker_thread+0x591/0xcf0 [ 370.072604][ T44] ? __pfx_worker_thread+0x10/0x10 [ 370.072826][ T44] kthread+0x37b/0x600 [ 370.072995][ T44] ? __pfx_kthread+0x10/0x10 [ 370.073213][ T44] ? ret_from_fork+0x1b/0x70 [ 370.073431][ T44] ? __lock_release+0x5d/0x170 [ 370.073658][ T44] ? rcu_is_watching+0x12/0xc0 [ 370.073883][ T44] ? __pfx_kthread+0x10/0x10 [ 370.074106][ T44] ret_from_fork+0x31/0x70 [ 370.074324][ T44] ? __pfx_kthread+0x10/0x10 [ 370.074551][ T44] ret_from_fork_asm+0x1a/0x30 [ 370.074786][ T44] [ 370.074980][ T44] INFO: task kworker/u16:1:68 is blocked on a mutex likely owned by task ip:450. [ 370.075346][ T44] task:ip state:D stack:24936 pid:450 tgid:450 ppid:332 task_flags:0x400100 flags:0x00004002 [ 370.075859][ T44] Call Trace: [ 370.076044][ T44] [ 370.076162][ T44] __schedule+0x851/0x1b00 [ 370.076408][ T44] ? __pfx___schedule+0x10/0x10 [ 370.076645][ T44] ? schedule+0x1ee/0x270 [ 370.076811][ T44] ? __lock_release+0x5d/0x170 [ 370.077037][ T44] schedule+0xe2/0x270 [ 370.077204][ T44] schedule_preempt_disabled+0x18/0x30 [ 370.077425][ T44] __mutex_lock+0x77f/0xcd0 [ 370.077656][ T44] ? kasan_quarantine_put+0x10d/0x230 [ 370.077882][ T44] ? xdp_features_set_redirect_target+0x23/0x80 [ 370.078161][ T44] ? __pfx___mutex_lock+0x10/0x10 [ 370.078378][ T44] ? kfree+0x144/0x320 [ 370.078555][ T44] ? virtnet_set_guest_offloads+0xf6/0x1b0 [ 370.078837][ T44] ? virtnet_set_guest_offloads+0xf6/0x1b0 [ 370.079125][ T44] ? __pfx_virtnet_set_guest_offloads+0x10/0x10 [ 370.079402][ T44] ? xdp_features_set_redirect_target+0x23/0x80 [ 370.079694][ T44] xdp_features_set_redirect_target+0x23/0x80 [ 370.079974][ T44] virtnet_xdp_set+0x1440/0x1a70 [ 370.080205][ T44] dev_xdp_install+0x41e/0x8c0 [ 370.080450][ T44] ? __pfx_virtnet_xdp+0x10/0x10 [ 370.080684][ T44] ? __pfx_dev_xdp_install+0x10/0x10 [ 370.080930][ T44] dev_xdp_attach+0x53e/0x1120 [ 370.081166][ T44] ? __bpf_prog_get+0x1ac/0x230 [ 370.081392][ T44] ? __pfx_dev_xdp_attach+0x10/0x10 [ 370.081622][ T44] ? __pfx_bpf_prog_get_type_dev+0x10/0x10 [ 370.081906][ T44] dev_change_xdp_fd+0x244/0x290 [ 370.082132][ T44] do_setlink.constprop.0+0x1ffd/0x2790 [ 370.082358][ T44] ? rcu_read_lock_any_held+0x43/0xb0 [ 370.082589][ T44] ? validate_chain+0x166/0x4d0 [ 370.082811][ T44] ? __pfx_do_setlink.constprop.0+0x10/0x10 [ 370.083088][ T44] ? __lock_acquire+0x591/0x9d0 [ 370.083309][ T44] ? mn_hlist_invalidate_range_start+0x1e9/0x590 [ 370.083603][ T44] ? __mutex_trylock_common+0xf9/0x260 [ 370.083828][ T44] ? __pfx___mutex_trylock_common+0x10/0x10 [ 370.084125][ T44] ? rcu_is_watching+0x12/0xc0 [ 370.084356][ T44] ? rcu_is_watching+0x12/0xc0 [ 370.084598][ T44] ? find_held_lock+0x2b/0x80 [ 370.084826][ T44] ? rtnl_newlink+0x651/0xa60 [ 370.085056][ T44] ? __create_object+0x5e/0xb0 [ 370.085277][ T44] ? __pfx___mutex_lock+0x10/0x10 [ 370.085507][ T44] ? trace_cap_capable+0x10f/0x190 [ 370.085729][ T44] ? _raw_spin_unlock_irqrestore+0x46/0x80 [ 370.086003][ T44] ? __rtnl_newlink+0x40e/0xa40 [ 370.086237][ T44] rtnl_newlink+0x69a/0xa60 [ 370.086461][ T44] ? __pfx_rtnl_newlink+0x10/0x10 [ 370.086688][ T44] ? __lock_acquire+0x591/0x9d0 [ 370.086915][ T44] ? find_held_lock+0x2b/0x80 [ 370.087134][ T44] ? rtnetlink_rcv_msg+0x6ed/0xc00 [ 370.087352][ T44] ? __lock_release+0x5d/0x170 [ 370.087588][ T44] ? __pfx_rtnl_newlink+0x10/0x10 [ 370.087809][ T44] rtnetlink_rcv_msg+0x710/0xc00 [ 370.088037][ T44] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 370.088255][ T44] ? validate_chain+0x166/0x4d0 [ 370.088497][ T44] netlink_rcv_skb+0x12f/0x360 [ 370.088719][ T44] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 370.088940][ T44] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 370.089159][ T44] ? __lock_acquire+0x591/0x9d0 [ 370.089390][ T44] ? netlink_deliver_tap+0x13e/0x340 [ 370.089622][ T44] ? __lock_release+0x5d/0x170 [ 370.089844][ T44] ? netlink_deliver_tap+0x13e/0x340 [ 370.090064][ T44] ? netlink_deliver_tap+0xc3/0x340 [ 370.090286][ T44] netlink_unicast+0x449/0x710 [ 370.090517][ T44] ? __pfx_netlink_unicast+0x10/0x10 [ 370.090736][ T44] ? __lock_acquire+0x591/0x9d0 [ 370.090964][ T44] netlink_sendmsg+0x721/0xbe0 [ 370.091195][ T44] ? __pfx_netlink_sendmsg+0x10/0x10 [ 370.091415][ T44] ? __import_iovec+0x238/0x3c0 [ 370.091657][ T44] ____sys_sendmsg+0x7aa/0xa10 [ 370.091887][ T44] ? __pfx_____sys_sendmsg+0x10/0x10 [ 370.092105][ T44] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 370.092390][ T44] ___sys_sendmsg+0xed/0x170 [ 370.092619][ T44] ? kasan_record_aux_stack+0x8c/0xa0 [ 370.092842][ T44] ? __call_rcu_common.constprop.0+0xa1/0x610 [ 370.093115][ T44] ? __pfx____sys_sendmsg+0x10/0x10 [ 370.093338][ T44] ? find_held_lock+0x2b/0x80 [ 370.093568][ T44] ? __lock_acquire+0x591/0x9d0 [ 370.093793][ T44] ? find_held_lock+0x2b/0x80 [ 370.094015][ T44] ? __virt_addr_valid+0x22e/0x450 [ 370.094234][ T44] ? __lock_release+0x5d/0x170 [ 370.094465][ T44] __sys_sendmsg+0x108/0x1a0 [ 370.094695][ T44] ? __pfx___sys_sendmsg+0x10/0x10 [ 370.094927][ T44] ? rcu_is_watching+0x12/0xc0 [ 370.095147][ T44] do_syscall_64+0xc1/0x1d0 [ 370.095372][ T44] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 370.095661][ T44] RIP: 0033:0x7f559e5d49a7 [ 370.095892][ T44] RSP: 002b:00007fff307fd118 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 370.096229][ T44] RAX: ffffffffffffffda RBX: 00007fff307fd848 RCX: 00007f559e5d49a7 [ 370.096567][ T44] RDX: 0000000000000000 RSI: 00007fff307fd180 RDI: 0000000000000003 [ 370.096901][ T44] RBP: 0000000000000009 R08: 00000000ffff7fff R09: 0000000000000000 [ 370.097230][ T44] R10: 00007f559e4924a8 R11: 0000000000000246 R12: 0000000000000009 [ 370.097573][ T44] R13: 00000000681088d5 R14: 0000000000498600 R15: 0000000000000000 [ 370.097920][ T44] [ 370.098092][ T44] INFO: task ip:450 blocked for more than 245 seconds. [ 370.098351][ T44] Not tainted 6.15.0-rc3-virtme #1 [ 370.098563][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 370.098918][ T44] task:ip state:D stack:24936 pid:450 tgid:450 ppid:332 task_flags:0x400100 flags:0x00004002 [ 370.099401][ T44] Call Trace: [ 370.099581][ T44] [ 370.099697][ T44] __schedule+0x851/0x1b00 [ 370.099931][ T44] ? __pfx___schedule+0x10/0x10 [ 370.100157][ T44] ? schedule+0x1ee/0x270 [ 370.100323][ T44] ? __lock_release+0x5d/0x170 [ 370.100554][ T44] schedule+0xe2/0x270 [ 370.100725][ T44] schedule_preempt_disabled+0x18/0x30 [ 370.100942][ T44] __mutex_lock+0x77f/0xcd0 [ 370.101163][ T44] ? kasan_quarantine_put+0x10d/0x230 [ 370.101386][ T44] ? xdp_features_set_redirect_target+0x23/0x80 [ 370.101668][ T44] ? __pfx___mutex_lock+0x10/0x10 [ 370.101893][ T44] ? kfree+0x144/0x320 [ 370.102059][ T44] ? virtnet_set_guest_offloads+0xf6/0x1b0 [ 370.102338][ T44] ? virtnet_set_guest_offloads+0xf6/0x1b0 [ 370.102616][ T44] ? __pfx_virtnet_set_guest_offloads+0x10/0x10 [ 370.102896][ T44] ? xdp_features_set_redirect_target+0x23/0x80 [ 370.103166][ T44] xdp_features_set_redirect_target+0x23/0x80 [ 370.103437][ T44] virtnet_xdp_set+0x1440/0x1a70 [ 370.103681][ T44] dev_xdp_install+0x41e/0x8c0 [ 370.103900][ T44] ? __pfx_virtnet_xdp+0x10/0x10 [ 370.104126][ T44] ? __pfx_dev_xdp_install+0x10/0x10 [ 370.104355][ T44] dev_xdp_attach+0x53e/0x1120 [ 370.104587][ T44] ? __bpf_prog_get+0x1ac/0x230 [ 370.104809][ T44] ? __pfx_dev_xdp_attach+0x10/0x10 [ 370.105028][ T44] ? __pfx_bpf_prog_get_type_dev+0x10/0x10 [ 370.105304][ T44] dev_change_xdp_fd+0x244/0x290 [ 370.105534][ T44] do_setlink.constprop.0+0x1ffd/0x2790 [ 370.105764][ T44] ? rcu_read_lock_any_held+0x43/0xb0 [ 370.105982][ T44] ? validate_chain+0x166/0x4d0 [ 370.106201][ T44] ? __pfx_do_setlink.constprop.0+0x10/0x10 [ 370.106483][ T44] ? __lock_acquire+0x591/0x9d0 [ 370.106703][ T44] ? mn_hlist_invalidate_range_start+0x1e9/0x590 [ 370.106977][ T44] ? __mutex_trylock_common+0xf9/0x260 [ 370.107201][ T44] ? __pfx___mutex_trylock_common+0x10/0x10 [ 370.107494][ T44] ? rcu_is_watching+0x12/0xc0 [ 370.107749][ T44] ? rcu_is_watching+0x12/0xc0 [ 370.107971][ T44] ? find_held_lock+0x2b/0x80 [ 370.108190][ T44] ? rtnl_newlink+0x651/0xa60 [ 370.108407][ T44] ? __create_object+0x5e/0xb0 [ 370.108636][ T44] ? __pfx___mutex_lock+0x10/0x10 [ 370.108857][ T44] ? trace_cap_capable+0x10f/0x190 [ 370.109078][ T44] ? _raw_spin_unlock_irqrestore+0x46/0x80 [ 370.109353][ T44] ? __rtnl_newlink+0x40e/0xa40 [ 370.109586][ T44] rtnl_newlink+0x69a/0xa60 [ 370.109811][ T44] ? __pfx_rtnl_newlink+0x10/0x10 [ 370.110033][ T44] ? __lock_acquire+0x591/0x9d0 [ 370.110257][ T44] ? find_held_lock+0x2b/0x80 [ 370.110486][ T44] ? rtnetlink_rcv_msg+0x6ed/0xc00 [ 370.110704][ T44] ? __lock_release+0x5d/0x170 [ 370.110924][ T44] ? __pfx_rtnl_newlink+0x10/0x10 [ 370.111149][ T44] rtnetlink_rcv_msg+0x710/0xc00 [ 370.111370][ T44] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 370.111604][ T44] ? validate_chain+0x166/0x4d0 [ 370.111843][ T44] netlink_rcv_skb+0x12f/0x360 [ 370.112063][ T44] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 370.112285][ T44] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 370.112512][ T44] ? __lock_acquire+0x591/0x9d0 [ 370.112745][ T44] ? netlink_deliver_tap+0x13e/0x340 [ 370.112967][ T44] ? __lock_release+0x5d/0x170 [ 370.113187][ T44] ? netlink_deliver_tap+0x13e/0x340 [ 370.113404][ T44] ? netlink_deliver_tap+0xc3/0x340 [ 370.113633][ T44] netlink_unicast+0x449/0x710 [ 370.113856][ T44] ? __pfx_netlink_unicast+0x10/0x10 [ 370.114074][ T44] ? __lock_acquire+0x591/0x9d0 [ 370.114302][ T44] netlink_sendmsg+0x721/0xbe0 [ 370.114535][ T44] ? __pfx_netlink_sendmsg+0x10/0x10 [ 370.114757][ T44] ? __import_iovec+0x238/0x3c0 [ 370.114982][ T44] ____sys_sendmsg+0x7aa/0xa10 [ 370.115203][ T44] ? __pfx_____sys_sendmsg+0x10/0x10 [ 370.115421][ T44] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 370.115721][ T44] ___sys_sendmsg+0xed/0x170 [ 370.115953][ T44] ? kasan_record_aux_stack+0x8c/0xa0 [ 370.116171][ T44] ? __call_rcu_common.constprop.0+0xa1/0x610 [ 370.116445][ T44] ? __pfx____sys_sendmsg+0x10/0x10 [ 370.116676][ T44] ? find_held_lock+0x2b/0x80 [ 370.116898][ T44] ? __lock_acquire+0x591/0x9d0 [ 370.117123][ T44] ? find_held_lock+0x2b/0x80 [ 370.117345][ T44] ? __virt_addr_valid+0x22e/0x450 [ 370.117747][ T44] ? __lock_release+0x5d/0x170 [ 370.117975][ T44] __sys_sendmsg+0x108/0x1a0 [ 370.118194][ T44] ? __pfx___sys_sendmsg+0x10/0x10 [ 370.118425][ T44] ? rcu_is_watching+0x12/0xc0 [ 370.118786][ T44] do_syscall_64+0xc1/0x1d0 [ 370.119007][ T44] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 370.119278][ T44] RIP: 0033:0x7f559e5d49a7 [ 370.119666][ T44] RSP: 002b:00007fff307fd118 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 370.120002][ T44] RAX: ffffffffffffffda RBX: 00007fff307fd848 RCX: 00007f559e5d49a7 [ 370.120330][ T44] RDX: 0000000000000000 RSI: 00007fff307fd180 RDI: 0000000000000003 [ 370.120808][ T44] RBP: 0000000000000009 R08: 00000000ffff7fff R09: 0000000000000000 [ 370.121136][ T44] R10: 00007f559e4924a8 R11: 0000000000000246 R12: 0000000000000009 [ 370.121477][ T44] R13: 00000000681088d5 R14: 0000000000498600 R15: 0000000000000000 [ 370.121825][ T44] [ 370.121999][ T44] INFO: task ip:450 is blocked on a mutex likely owned by task kworker/2:2:63. [ 370.122365][ T44] task:kworker/2:2 state:D stack:28128 pid:63 tgid:63 ppid:2 task_flags:0x4208060 flags:0x00004000 [ 370.122986][ T44] Workqueue: events refill_work [ 370.123210][ T44] Call Trace: [ 370.123372][ T44] [ 370.123639][ T44] __schedule+0x851/0x1b00 [ 370.123892][ T44] ? __pfx___schedule+0x10/0x10 [ 370.124128][ T44] ? schedule+0x1ee/0x270 [ 370.124297][ T44] ? __lock_release+0x5d/0x170 [ 370.124540][ T44] schedule+0xe2/0x270 [ 370.124841][ T44] schedule_hrtimeout_range_clock+0x100/0x2d0 [ 370.125119][ T44] ? __pfx_schedule_hrtimeout_range_clock+0x10/0x10 [ 370.125387][ T44] ? find_held_lock+0x2b/0x80 [ 370.125619][ T44] ? __pfx_hrtimer_wakeup+0x10/0x10 [ 370.125840][ T44] ? ktime_get+0x178/0x200 [ 370.126059][ T44] ? kvm_clock_get_cycles+0x18/0x30 [ 370.126277][ T44] ? ktime_get+0xb8/0x200 [ 370.126445][ T44] usleep_range_state+0x141/0x1d0 [ 370.126812][ T44] ? __pfx_usleep_range_state+0x10/0x10 [ 370.127039][ T44] napi_disable_locked+0x3c0/0x5d0 [ 370.127263][ T44] ? __pfx_napi_disable_locked+0x10/0x10 [ 370.127507][ T44] napi_disable+0x43/0x80 [ 370.127675][ T44] refill_work+0x129/0x220 [ 370.127894][ T44] ? refill_work+0x9b/0x220 [ 370.128115][ T44] process_one_work+0xe40/0x1690 [ 370.128349][ T44] ? __pfx_process_one_work+0x10/0x10 [ 370.128585][ T44] ? assign_work+0x16c/0x240 [ 370.128810][ T44] worker_thread+0x591/0xcf0 [ 370.129036][ T44] ? __pfx_worker_thread+0x10/0x10 [ 370.129256][ T44] kthread+0x37b/0x600 [ 370.129568][ T44] ? __pfx_kthread+0x10/0x10 [ 370.129783][ T44] ? ret_from_fork+0x1b/0x70 [ 370.129999][ T44] ? __lock_release+0x5d/0x170 [ 370.130224][ T44] ? rcu_is_watching+0x12/0xc0 [ 370.130587][ T44] ? __pfx_kthread+0x10/0x10 [ 370.130808][ T44] ret_from_fork+0x31/0x70 [ 370.131024][ T44] ? __pfx_kthread+0x10/0x10 [ 370.131241][ T44] ret_from_fork_asm+0x1a/0x30 [ 370.131593][ T44] [ 370.131759][ T44] [ 370.131759][ T44] Showing all locks held in the system: [ 370.132085][ T44] 1 lock held by khungtaskd/44: [ 370.132301][ T44] #0: ffffffffba3745a0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x36/0x260 [ 370.132689][ T44] 3 locks held by kworker/2:2/63: [ 370.132900][ T44] #0: ffff8880010a1548 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x7e5/0x1690 [ 370.133453][ T44] #1: ffffc90000447d40 ((work_completion)(&(&vi->refill)->work)){+.+.}-{0:0}, at: process_one_work+0xdf6/0x1690 [ 370.133944][ T44] #2: ffff888008e9ac90 (&dev->lock){+.+.}-{4:4}, at: napi_disable+0x3b/0x80 [ 370.134447][ T44] 3 locks held by kworker/u16:1/68: [ 370.134664][ T44] #0: ffff88800946e548 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x7e5/0x1690 [ 370.135093][ T44] #1: ffffc90000497d40 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0xdf6/0x1690 [ 370.135766][ T44] #2: ffffffffbac3ca48 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_verify_work+0x12/0x30 [ 370.136148][ T44] 2 locks held by ip/450: [ 370.136307][ T44] #0: ffffffffbac3ca48 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x651/0xa60 [ 370.136719][ T44] #1: ffff888008e9ac90 (&dev->lock){+.+.}-{4:4}, at: xdp_features_set_redirect_target+0x23/0x80 [ 370.137160][ T44] [ 370.137398][ T44] ============================================= [ 370.137398][ T44] [ 492.946645][ T44] INFO: task kworker/u16:1:68 blocked for more than 245 seconds. [ 492.947116][ T44] Not tainted 6.15.0-rc3-virtme #1 [ 492.947337][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 492.947749][ T44] task:kworker/u16:1 state:D stack:28128 pid:68 tgid:68 ppid:2 task_flags:0x4208060 flags:0x00004000 [ 492.948242][ T44] Workqueue: ipv6_addrconf addrconf_verify_work [ 492.948538][ T44] Call Trace: [ 492.948708][ T44] [ 492.948827][ T44] __schedule+0x851/0x1b00 [ 492.949101][ T44] ? __pfx___schedule+0x10/0x10 [ 492.949330][ T44] ? schedule+0x1ee/0x270 [ 492.949505][ T44] ? __lock_release+0x5d/0x170 [ 492.949731][ T44] schedule+0xe2/0x270 [ 492.949898][ T44] schedule_preempt_disabled+0x18/0x30 [ 492.950116][ T44] __mutex_lock+0x77f/0xcd0 [ 492.950333][ T44] ? validate_chain+0x166/0x4d0 [ 492.950565][ T44] ? addrconf_verify_work+0x12/0x30 [ 492.950793][ T44] ? __pfx___mutex_lock+0x10/0x10 [ 492.951031][ T44] ? rcu_is_watching+0x12/0xc0 [ 492.951260][ T44] ? addrconf_verify_work+0x12/0x30 [ 492.951500][ T44] addrconf_verify_work+0x12/0x30 [ 492.951722][ T44] process_one_work+0xe40/0x1690 [ 492.951973][ T44] ? __pfx_process_one_work+0x10/0x10 [ 492.952208][ T44] ? assign_work+0x16c/0x240 [ 492.952446][ T44] worker_thread+0x591/0xcf0 [ 492.952690][ T44] ? __pfx_worker_thread+0x10/0x10 [ 492.952926][ T44] kthread+0x37b/0x600 [ 492.953095][ T44] ? __pfx_kthread+0x10/0x10 [ 492.953314][ T44] ? ret_from_fork+0x1b/0x70 [ 492.953541][ T44] ? __lock_release+0x5d/0x170 [ 492.953765][ T44] ? rcu_is_watching+0x12/0xc0 [ 492.953984][ T44] ? __pfx_kthread+0x10/0x10 [ 492.954211][ T44] ret_from_fork+0x31/0x70 [ 492.954427][ T44] ? __pfx_kthread+0x10/0x10 [ 492.954653][ T44] ret_from_fork_asm+0x1a/0x30 [ 492.954887][ T44] [ 492.955082][ T44] INFO: task kworker/u16:1:68 is blocked on a mutex likely owned by task ip:450. [ 492.955453][ T44] task:ip state:D stack:24936 pid:450 tgid:450 ppid:332 task_flags:0x400100 flags:0x00004006 [ 492.955959][ T44] Call Trace: [ 492.956149][ T44] [ 492.956269][ T44] __schedule+0x851/0x1b00 [ 492.956513][ T44] ? __pfx___schedule+0x10/0x10 [ 492.956753][ T44] ? schedule+0x1ee/0x270 [ 492.956917][ T44] ? __lock_release+0x5d/0x170 [ 492.957142][ T44] schedule+0xe2/0x270 [ 492.957310][ T44] schedule_preempt_disabled+0x18/0x30 [ 492.957536][ T44] __mutex_lock+0x77f/0xcd0 [ 492.957762][ T44] ? kasan_quarantine_put+0x10d/0x230 [ 492.957986][ T44] ? xdp_features_set_redirect_target+0x23/0x80 [ 492.958261][ T44] ? __pfx___mutex_lock+0x10/0x10 [ 492.958490][ T44] ? kfree+0x144/0x320 [ 492.958661][ T44] ? virtnet_set_guest_offloads+0xf6/0x1b0 [ 492.958939][ T44] ? virtnet_set_guest_offloads+0xf6/0x1b0 [ 492.959209][ T44] ? __pfx_virtnet_set_guest_offloads+0x10/0x10 [ 492.959509][ T44] ? xdp_features_set_redirect_target+0x23/0x80 [ 492.959791][ T44] xdp_features_set_redirect_target+0x23/0x80 [ 492.960066][ T44] virtnet_xdp_set+0x1440/0x1a70 [ 492.960300][ T44] dev_xdp_install+0x41e/0x8c0 [ 492.960527][ T44] ? __pfx_virtnet_xdp+0x10/0x10 [ 492.960748][ T44] ? __pfx_dev_xdp_install+0x10/0x10 [ 492.960978][ T44] dev_xdp_attach+0x53e/0x1120 [ 492.961213][ T44] ? __bpf_prog_get+0x1ac/0x230 [ 492.961436][ T44] ? __pfx_dev_xdp_attach+0x10/0x10 [ 492.961666][ T44] ? __pfx_bpf_prog_get_type_dev+0x10/0x10 [ 492.961948][ T44] dev_change_xdp_fd+0x244/0x290 [ 492.962172][ T44] do_setlink.constprop.0+0x1ffd/0x2790 [ 492.962397][ T44] ? rcu_read_lock_any_held+0x43/0xb0 [ 492.962623][ T44] ? validate_chain+0x166/0x4d0 [ 492.962849][ T44] ? __pfx_do_setlink.constprop.0+0x10/0x10 [ 492.963127][ T44] ? __lock_acquire+0x591/0x9d0 [ 492.963345][ T44] ? mn_hlist_invalidate_range_start+0x1e9/0x590 [ 492.963643][ T44] ? __mutex_trylock_common+0xf9/0x260 [ 492.963867][ T44] ? __pfx___mutex_trylock_common+0x10/0x10 [ 492.964142][ T44] ? rcu_is_watching+0x12/0xc0 [ 492.964365][ T44] ? rcu_is_watching+0x12/0xc0 [ 492.964600][ T44] ? find_held_lock+0x2b/0x80 [ 492.964821][ T44] ? rtnl_newlink+0x651/0xa60 [ 492.965040][ T44] ? __create_object+0x5e/0xb0 [ 492.965260][ T44] ? __pfx___mutex_lock+0x10/0x10 [ 492.965491][ T44] ? trace_cap_capable+0x10f/0x190 [ 492.965712][ T44] ? _raw_spin_unlock_irqrestore+0x46/0x80 [ 492.965983][ T44] ? __rtnl_newlink+0x40e/0xa40 [ 492.966214][ T44] rtnl_newlink+0x69a/0xa60 [ 492.966440][ T44] ? __pfx_rtnl_newlink+0x10/0x10 [ 492.966670][ T44] ? __lock_acquire+0x591/0x9d0 [ 492.966896][ T44] ? find_held_lock+0x2b/0x80 [ 492.967115][ T44] ? rtnetlink_rcv_msg+0x6ed/0xc00 [ 492.967340][ T44] ? __lock_release+0x5d/0x170 [ 492.967576][ T44] ? __pfx_rtnl_newlink+0x10/0x10 [ 492.967795][ T44] rtnetlink_rcv_msg+0x710/0xc00 [ 492.968023][ T44] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 492.968242][ T44] ? validate_chain+0x166/0x4d0 [ 492.968485][ T44] netlink_rcv_skb+0x12f/0x360 [ 492.968707][ T44] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 492.968928][ T44] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 492.969150][ T44] ? __lock_acquire+0x591/0x9d0 [ 492.969377][ T44] ? netlink_deliver_tap+0x13e/0x340 [ 492.969605][ T44] ? __lock_release+0x5d/0x170 [ 492.969826][ T44] ? netlink_deliver_tap+0x13e/0x340 [ 492.970045][ T44] ? netlink_deliver_tap+0xc3/0x340 [ 492.970266][ T44] netlink_unicast+0x449/0x710 [ 492.970501][ T44] ? __pfx_netlink_unicast+0x10/0x10 [ 492.970727][ T44] ? __lock_acquire+0x591/0x9d0 [ 492.970951][ T44] netlink_sendmsg+0x721/0xbe0 [ 492.971181][ T44] ? __pfx_netlink_sendmsg+0x10/0x10 [ 492.971410][ T44] ? __import_iovec+0x238/0x3c0 [ 492.971656][ T44] ____sys_sendmsg+0x7aa/0xa10 [ 492.971911][ T44] ? __pfx_____sys_sendmsg+0x10/0x10 [ 492.972135][ T44] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 492.972434][ T44] ___sys_sendmsg+0xed/0x170 [ 492.972658][ T44] ? kasan_record_aux_stack+0x8c/0xa0 [ 492.972878][ T44] ? __call_rcu_common.constprop.0+0xa1/0x610 [ 492.973160][ T44] ? __pfx____sys_sendmsg+0x10/0x10 [ 492.973385][ T44] ? find_held_lock+0x2b/0x80 [ 492.973618][ T44] ? __lock_acquire+0x591/0x9d0 [ 492.973846][ T44] ? find_held_lock+0x2b/0x80 [ 492.974067][ T44] ? __virt_addr_valid+0x22e/0x450 [ 492.974286][ T44] ? __lock_release+0x5d/0x170 [ 492.974521][ T44] __sys_sendmsg+0x108/0x1a0 [ 492.974748][ T44] ? __pfx___sys_sendmsg+0x10/0x10 [ 492.974980][ T44] ? rcu_is_watching+0x12/0xc0 [ 492.975200][ T44] do_syscall_64+0xc1/0x1d0 [ 492.975422][ T44] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 492.975709][ T44] RIP: 0033:0x7f559e5d49a7 [ 492.975938][ T44] RSP: 002b:00007fff307fd118 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 492.976270][ T44] RAX: ffffffffffffffda RBX: 00007fff307fd848 RCX: 00007f559e5d49a7 [ 492.976639][ T44] RDX: 0000000000000000 RSI: 00007fff307fd180 RDI: 0000000000000003 [ 492.976988][ T44] RBP: 0000000000000009 R08: 00000000ffff7fff R09: 0000000000000000 [ 492.977319][ T44] R10: 00007f559e4924a8 R11: 0000000000000246 R12: 0000000000000009 [ 492.977657][ T44] R13: 00000000681088d5 R14: 0000000000498600 R15: 0000000000000000 [ 492.978010][ T44] [ 492.978182][ T44] INFO: task ip:450 blocked for more than 368 seconds. [ 492.978440][ T44] Not tainted 6.15.0-rc3-virtme #1 [ 492.978657][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 492.979016][ T44] task:ip state:D stack:24936 pid:450 tgid:450 ppid:332 task_flags:0x400100 flags:0x00004006 [ 492.979520][ T44] Call Trace: [ 492.979685][ T44] [ 492.979801][ T44] __schedule+0x851/0x1b00 [ 492.980030][ T44] ? __pfx___schedule+0x10/0x10 [ 492.980259][ T44] ? schedule+0x1ee/0x270 [ 492.980424][ T44] ? __lock_release+0x5d/0x170 [ 492.980658][ T44] schedule+0xe2/0x270 [ 492.980826][ T44] schedule_preempt_disabled+0x18/0x30 [ 492.981056][ T44] __mutex_lock+0x77f/0xcd0 [ 492.981279][ T44] ? kasan_quarantine_put+0x10d/0x230 [ 492.981509][ T44] ? xdp_features_set_redirect_target+0x23/0x80 [ 492.981788][ T44] ? __pfx___mutex_lock+0x10/0x10 [ 492.982009][ T44] ? kfree+0x144/0x320 [ 492.982177][ T44] ? virtnet_set_guest_offloads+0xf6/0x1b0 [ 492.982455][ T44] ? virtnet_set_guest_offloads+0xf6/0x1b0 [ 492.982741][ T44] ? __pfx_virtnet_set_guest_offloads+0x10/0x10 [ 492.983019][ T44] ? xdp_features_set_redirect_target+0x23/0x80 [ 492.983292][ T44] xdp_features_set_redirect_target+0x23/0x80 [ 492.983586][ T44] virtnet_xdp_set+0x1440/0x1a70 [ 492.983846][ T44] dev_xdp_install+0x41e/0x8c0 [ 492.984070][ T44] ? __pfx_virtnet_xdp+0x10/0x10 [ 492.984300][ T44] ? __pfx_dev_xdp_install+0x10/0x10 [ 492.984548][ T44] dev_xdp_attach+0x53e/0x1120 [ 492.984782][ T44] ? __bpf_prog_get+0x1ac/0x230 [ 492.985006][ T44] ? __pfx_dev_xdp_attach+0x10/0x10 [ 492.985225][ T44] ? __pfx_bpf_prog_get_type_dev+0x10/0x10 [ 492.985510][ T44] dev_change_xdp_fd+0x244/0x290 [ 492.985735][ T44] do_setlink.constprop.0+0x1ffd/0x2790 [ 492.985961][ T44] ? rcu_read_lock_any_held+0x43/0xb0 [ 492.986183][ T44] ? validate_chain+0x166/0x4d0 [ 492.986403][ T44] ? __pfx_do_setlink.constprop.0+0x10/0x10 [ 492.986688][ T44] ? __lock_acquire+0x591/0x9d0 [ 492.986908][ T44] ? mn_hlist_invalidate_range_start+0x1e9/0x590 [ 492.987183][ T44] ? __mutex_trylock_common+0xf9/0x260 [ 492.987405][ T44] ? __pfx___mutex_trylock_common+0x10/0x10 [ 492.987693][ T44] ? rcu_is_watching+0x12/0xc0 [ 492.987918][ T44] ? rcu_is_watching+0x12/0xc0 [ 492.988142][ T44] ? find_held_lock+0x2b/0x80 [ 492.988363][ T44] ? rtnl_newlink+0x651/0xa60 [ 492.988588][ T44] ? __create_object+0x5e/0xb0 [ 492.988808][ T44] ? __pfx___mutex_lock+0x10/0x10 [ 492.989030][ T44] ? trace_cap_capable+0x10f/0x190 [ 492.989252][ T44] ? _raw_spin_unlock_irqrestore+0x46/0x80 [ 492.989537][ T44] ? __rtnl_newlink+0x40e/0xa40 [ 492.989767][ T44] rtnl_newlink+0x69a/0xa60 [ 492.989994][ T44] ? __pfx_rtnl_newlink+0x10/0x10 [ 492.990213][ T44] ? __lock_acquire+0x591/0x9d0 [ 492.990440][ T44] ? find_held_lock+0x2b/0x80 [ 492.990668][ T44] ? rtnetlink_rcv_msg+0x6ed/0xc00 [ 492.990888][ T44] ? __lock_release+0x5d/0x170 [ 492.991117][ T44] ? __pfx_rtnl_newlink+0x10/0x10 [ 492.991347][ T44] rtnetlink_rcv_msg+0x710/0xc00 [ 492.991584][ T44] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 492.991803][ T44] ? validate_chain+0x166/0x4d0 [ 492.992037][ T44] netlink_rcv_skb+0x12f/0x360 [ 492.992258][ T44] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 492.992488][ T44] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 492.992708][ T44] ? __lock_acquire+0x591/0x9d0 [ 492.992938][ T44] ? netlink_deliver_tap+0x13e/0x340 [ 492.993161][ T44] ? __lock_release+0x5d/0x170 [ 492.993383][ T44] ? netlink_deliver_tap+0x13e/0x340 [ 492.993608][ T44] ? netlink_deliver_tap+0xc3/0x340 [ 492.993829][ T44] netlink_unicast+0x449/0x710 [ 492.994051][ T44] ? __pfx_netlink_unicast+0x10/0x10 [ 492.994268][ T44] ? __lock_acquire+0x591/0x9d0 [ 492.994499][ T44] netlink_sendmsg+0x721/0xbe0 [ 492.994730][ T44] ? __pfx_netlink_sendmsg+0x10/0x10 [ 492.994951][ T44] ? __import_iovec+0x238/0x3c0 [ 492.995176][ T44] ____sys_sendmsg+0x7aa/0xa10 [ 492.995400][ T44] ? __pfx_____sys_sendmsg+0x10/0x10 [ 492.995632][ T44] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 492.995919][ T44] ___sys_sendmsg+0xed/0x170 [ 492.996139][ T44] ? kasan_record_aux_stack+0x8c/0xa0 [ 492.996363][ T44] ? __call_rcu_common.constprop.0+0xa1/0x610 [ 492.996650][ T44] ? __pfx____sys_sendmsg+0x10/0x10 [ 492.996875][ T44] ? find_held_lock+0x2b/0x80 [ 492.997098][ T44] ? __lock_acquire+0x591/0x9d0 [ 492.997466][ T44] ? find_held_lock+0x2b/0x80 [ 492.997698][ T44] ? __virt_addr_valid+0x22e/0x450 [ 492.997916][ T44] ? __lock_release+0x5d/0x170 [ 492.998148][ T44] __sys_sendmsg+0x108/0x1a0 [ 492.998366][ T44] ? __pfx___sys_sendmsg+0x10/0x10 [ 492.998609][ T44] ? rcu_is_watching+0x12/0xc0 [ 492.998837][ T44] do_syscall_64+0xc1/0x1d0 [ 492.999060][ T44] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 492.999486][ T44] RIP: 0033:0x7f559e5d49a7 [ 492.999714][ T44] RSP: 002b:00007fff307fd118 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 493.000050][ T44] RAX: ffffffffffffffda RBX: 00007fff307fd848 RCX: 00007f559e5d49a7 [ 493.000529][ T44] RDX: 0000000000000000 RSI: 00007fff307fd180 RDI: 0000000000000003 [ 493.000859][ T44] RBP: 0000000000000009 R08: 00000000ffff7fff R09: 0000000000000000 [ 493.001196][ T44] R10: 00007f559e4924a8 R11: 0000000000000246 R12: 0000000000000009 [ 493.001538][ T44] R13: 00000000681088d5 R14: 0000000000498600 R15: 0000000000000000 [ 493.001881][ T44] [ 493.002057][ T44] INFO: task ip:450 is blocked on a mutex likely owned by task kworker/2:2:63. [ 493.002559][ T44] task:kworker/2:2 state:D stack:28128 pid:63 tgid:63 ppid:2 task_flags:0x4208060 flags:0x00004000 [ 493.003045][ T44] Workqueue: events refill_work [ 493.003272][ T44] Call Trace: [ 493.003435][ T44] [ 493.003565][ T44] __schedule+0x851/0x1b00 [ 493.003811][ T44] ? __pfx___schedule+0x10/0x10 [ 493.004187][ T44] ? schedule+0x1ee/0x270 [ 493.004355][ T44] ? __lock_release+0x5d/0x170 [ 493.004596][ T44] schedule+0xe2/0x270 [ 493.004767][ T44] schedule_hrtimeout_range_clock+0x100/0x2d0 [ 493.005053][ T44] ? __pfx_schedule_hrtimeout_range_clock+0x10/0x10 [ 493.005462][ T44] ? find_held_lock+0x2b/0x80 [ 493.005696][ T44] ? __pfx_hrtimer_wakeup+0x10/0x10 [ 493.005917][ T44] ? ktime_get+0x178/0x200 [ 493.006272][ T44] ? kvm_clock_get_cycles+0x18/0x30 [ 493.006499][ T44] ? ktime_get+0xb8/0x200 [ 493.006668][ T44] usleep_range_state+0x141/0x1d0 [ 493.006889][ T44] ? __pfx_usleep_range_state+0x10/0x10 [ 493.007122][ T44] napi_disable_locked+0x3c0/0x5d0 [ 493.007344][ T44] ? __pfx_napi_disable_locked+0x10/0x10 [ 493.007588][ T44] napi_disable+0x43/0x80 [ 493.007755][ T44] refill_work+0x129/0x220 [ 493.007976][ T44] ? refill_work+0x9b/0x220 [ 493.008336][ T44] process_one_work+0xe40/0x1690 [ 493.008575][ T44] ? __pfx_process_one_work+0x10/0x10 [ 493.008807][ T44] ? assign_work+0x16c/0x240 [ 493.009030][ T44] worker_thread+0x591/0xcf0 [ 493.009391][ T44] ? __pfx_worker_thread+0x10/0x10 [ 493.009621][ T44] kthread+0x37b/0x600 [ 493.009789][ T44] ? __pfx_kthread+0x10/0x10 [ 493.010006][ T44] ? ret_from_fork+0x1b/0x70 [ 493.010361][ T44] ? __lock_release+0x5d/0x170 [ 493.010588][ T44] ? rcu_is_watching+0x12/0xc0 [ 493.010811][ T44] ? __pfx_kthread+0x10/0x10 [ 493.011041][ T44] ret_from_fork+0x31/0x70 [ 493.011395][ T44] ? __pfx_kthread+0x10/0x10 [ 493.011630][ T44] ret_from_fork_asm+0x1a/0x30 [ 493.011865][ T44] [ 493.012036][ T44] [ 493.012036][ T44] Showing all locks held in the system: [ 493.012353][ T44] 1 lock held by khungtaskd/44: [ 493.012713][ T44] #0: ffffffffba3745a0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x36/0x260 [ 493.013098][ T44] 3 locks held by kworker/2:2/63: [ 493.013312][ T44] #0: ffff8880010a1548 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x7e5/0x1690 [ 493.013747][ T44] #1: ffffc90000447d40 ((work_completion)(&(&vi->refill)->work)){+.+.}-{0:0}, at: process_one_work+0xdf6/0x1690 [ 493.014355][ T44] #2: ffff888008e9ac90 (&dev->lock){+.+.}-{4:4}, at: napi_disable+0x3b/0x80 [ 493.014745][ T44] 3 locks held by kworker/u16:1/68: [ 493.014977][ T44] #0: ffff88800946e548 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x7e5/0x1690 [ 493.015551][ T44] #1: ffffc90000497d40 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0xdf6/0x1690 [ 493.016100][ T44] #2: ffffffffbac3ca48 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_verify_work+0x12/0x30 [ 493.016500][ T44] 2 locks held by ip/450: [ 493.016664][ T44] #0: ffffffffbac3ca48 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x651/0xa60 [ 493.017052][ T44] #1: ffff888008e9ac90 (&dev->lock){+.+.}-{4:4}, at: xdp_features_set_redirect_target+0x23/0x80 [ 493.017618][ T44] 2 locks held by ethtool/456: [ 493.017834][ T44] #0: ffffffffbac94a70 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 [ 493.018156][ T44] #1: ffffffffbac3ca48 (rtnl_mutex){+.+.}-{4:4}, at: ethnl_default_doit+0x31b/0xe60 [ 493.018540][ T44] [ 493.018647][ T44] ============================================= [ 493.018647][ T44] [ 615.826607][ T44] INFO: task kworker/u16:1:68 blocked for more than 368 seconds. [ 615.827337][ T44] Not tainted 6.15.0-rc3-virtme #1 [ 615.827580][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 615.827957][ T44] task:kworker/u16:1 state:D stack:28128 pid:68 tgid:68 ppid:2 task_flags:0x4208060 flags:0x00004000 [ 615.828444][ T44] Workqueue: ipv6_addrconf addrconf_verify_work [ 615.828767][ T44] Call Trace: [ 615.828950][ T44] [ 615.829068][ T44] __schedule+0x851/0x1b00 [ 615.829299][ T44] ? __pfx___schedule+0x10/0x10 [ 615.829543][ T44] ? schedule+0x1ee/0x270 [ 615.829738][ T44] ? __lock_release+0x5d/0x170 [ 615.829973][ T44] schedule+0xe2/0x270 [ 615.830153][ T44] schedule_preempt_disabled+0x18/0x30 [ 615.830381][ T44] __mutex_lock+0x77f/0xcd0 [ 615.830620][ T44] ? validate_chain+0x166/0x4d0 [ 615.830844][ T44] ? addrconf_verify_work+0x12/0x30 [ 615.831067][ T44] ? __pfx___mutex_lock+0x10/0x10 [ 615.831296][ T44] ? rcu_is_watching+0x12/0xc0 [ 615.831541][ T44] ? addrconf_verify_work+0x12/0x30 [ 615.831761][ T44] addrconf_verify_work+0x12/0x30 [ 615.831980][ T44] process_one_work+0xe40/0x1690 [ 615.832214][ T44] ? __pfx_process_one_work+0x10/0x10 [ 615.832448][ T44] ? assign_work+0x16c/0x240 [ 615.832682][ T44] worker_thread+0x591/0xcf0 [ 615.832911][ T44] ? __pfx_worker_thread+0x10/0x10 [ 615.833131][ T44] kthread+0x37b/0x600 [ 615.833301][ T44] ? __pfx_kthread+0x10/0x10 [ 615.833531][ T44] ? ret_from_fork+0x1b/0x70 [ 615.833751][ T44] ? __lock_release+0x5d/0x170 [ 615.833979][ T44] ? rcu_is_watching+0x12/0xc0 [ 615.834200][ T44] ? __pfx_kthread+0x10/0x10 [ 615.834423][ T44] ret_from_fork+0x31/0x70 [ 615.834648][ T44] ? __pfx_kthread+0x10/0x10 [ 615.834873][ T44] ret_from_fork_asm+0x1a/0x30 [ 615.835111][ T44] [ 615.835309][ T44] INFO: task kworker/u16:1:68 is blocked on a mutex likely owned by task ip:450. [ 615.835694][ T44] task:ip state:D stack:24936 pid:450 tgid:450 ppid:332 task_flags:0x400100 flags:0x00004006 [ 615.836202][ T44] Call Trace: [ 615.836371][ T44] [ 615.836496][ T44] __schedule+0x851/0x1b00 [ 615.836733][ T44] ? __pfx___schedule+0x10/0x10 [ 615.836979][ T44] ? schedule+0x1ee/0x270 [ 615.837145][ T44] ? __lock_release+0x5d/0x170 [ 615.837371][ T44] schedule+0xe2/0x270 [ 615.837552][ T44] schedule_preempt_disabled+0x18/0x30 [ 615.837770][ T44] __mutex_lock+0x77f/0xcd0 [ 615.837992][ T44] ? kasan_quarantine_put+0x10d/0x230 [ 615.838212][ T44] ? xdp_features_set_redirect_target+0x23/0x80 [ 615.838497][ T44] ? __pfx___mutex_lock+0x10/0x10 [ 615.838720][ T44] ? kfree+0x144/0x320 [ 615.838888][ T44] ? virtnet_set_guest_offloads+0xf6/0x1b0 [ 615.839170][ T44] ? virtnet_set_guest_offloads+0xf6/0x1b0 [ 615.839442][ T44] ? __pfx_virtnet_set_guest_offloads+0x10/0x10 [ 615.839750][ T44] ? xdp_features_set_redirect_target+0x23/0x80 [ 615.840022][ T44] xdp_features_set_redirect_target+0x23/0x80 [ 615.840299][ T44] virtnet_xdp_set+0x1440/0x1a70 [ 615.840539][ T44] dev_xdp_install+0x41e/0x8c0 [ 615.840758][ T44] ? __pfx_virtnet_xdp+0x10/0x10 [ 615.840981][ T44] ? __pfx_dev_xdp_install+0x10/0x10 [ 615.841214][ T44] dev_xdp_attach+0x53e/0x1120 [ 615.841435][ T44] ? __bpf_prog_get+0x1ac/0x230 [ 615.841665][ T44] ? __pfx_dev_xdp_attach+0x10/0x10 [ 615.841885][ T44] ? __pfx_bpf_prog_get_type_dev+0x10/0x10 [ 615.842160][ T44] dev_change_xdp_fd+0x244/0x290 [ 615.842384][ T44] do_setlink.constprop.0+0x1ffd/0x2790 [ 615.842622][ T44] ? rcu_read_lock_any_held+0x43/0xb0 [ 615.842839][ T44] ? validate_chain+0x166/0x4d0 [ 615.843061][ T44] ? __pfx_do_setlink.constprop.0+0x10/0x10 [ 615.843334][ T44] ? __lock_acquire+0x591/0x9d0 [ 615.843569][ T44] ? mn_hlist_invalidate_range_start+0x1e9/0x590 [ 615.843870][ T44] ? __mutex_trylock_common+0xf9/0x260 [ 615.844100][ T44] ? __pfx___mutex_trylock_common+0x10/0x10 [ 615.844382][ T44] ? rcu_is_watching+0x12/0xc0 [ 615.844616][ T44] ? rcu_is_watching+0x12/0xc0 [ 615.844856][ T44] ? find_held_lock+0x2b/0x80 [ 615.845074][ T44] ? rtnl_newlink+0x651/0xa60 [ 615.845290][ T44] ? __create_object+0x5e/0xb0 [ 615.845520][ T44] ? __pfx___mutex_lock+0x10/0x10 [ 615.845742][ T44] ? trace_cap_capable+0x10f/0x190 [ 615.845962][ T44] ? _raw_spin_unlock_irqrestore+0x46/0x80 [ 615.846239][ T44] ? __rtnl_newlink+0x40e/0xa40 [ 615.846465][ T44] rtnl_newlink+0x69a/0xa60 [ 615.846702][ T44] ? __pfx_rtnl_newlink+0x10/0x10 [ 615.846919][ T44] ? __lock_acquire+0x591/0x9d0 [ 615.847150][ T44] ? find_held_lock+0x2b/0x80 [ 615.847369][ T44] ? rtnetlink_rcv_msg+0x6ed/0xc00 [ 615.847602][ T44] ? __lock_release+0x5d/0x170 [ 615.847830][ T44] ? __pfx_rtnl_newlink+0x10/0x10 [ 615.848053][ T44] rtnetlink_rcv_msg+0x710/0xc00 [ 615.848269][ T44] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 615.848495][ T44] ? validate_chain+0x166/0x4d0 [ 615.848728][ T44] netlink_rcv_skb+0x12f/0x360 [ 615.848946][ T44] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 615.849165][ T44] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 615.849384][ T44] ? __lock_acquire+0x591/0x9d0 [ 615.849624][ T44] ? netlink_deliver_tap+0x13e/0x340 [ 615.849841][ T44] ? __lock_release+0x5d/0x170 [ 615.850063][ T44] ? netlink_deliver_tap+0x13e/0x340 [ 615.850286][ T44] ? netlink_deliver_tap+0xc3/0x340 [ 615.850516][ T44] netlink_unicast+0x449/0x710 [ 615.850738][ T44] ? __pfx_netlink_unicast+0x10/0x10 [ 615.850955][ T44] ? __lock_acquire+0x591/0x9d0 [ 615.851182][ T44] netlink_sendmsg+0x721/0xbe0 [ 615.851408][ T44] ? __pfx_netlink_sendmsg+0x10/0x10 [ 615.851643][ T44] ? __import_iovec+0x238/0x3c0 [ 615.851872][ T44] ____sys_sendmsg+0x7aa/0xa10 [ 615.852093][ T44] ? __pfx_____sys_sendmsg+0x10/0x10 [ 615.852309][ T44] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 615.852600][ T44] ___sys_sendmsg+0xed/0x170 [ 615.852825][ T44] ? kasan_record_aux_stack+0x8c/0xa0 [ 615.853041][ T44] ? __call_rcu_common.constprop.0+0xa1/0x610 [ 615.853313][ T44] ? __pfx____sys_sendmsg+0x10/0x10 [ 615.853545][ T44] ? find_held_lock+0x2b/0x80 [ 615.853767][ T44] ? __lock_acquire+0x591/0x9d0 [ 615.853991][ T44] ? find_held_lock+0x2b/0x80 [ 615.854210][ T44] ? __virt_addr_valid+0x22e/0x450 [ 615.854435][ T44] ? __lock_release+0x5d/0x170 [ 615.854668][ T44] __sys_sendmsg+0x108/0x1a0 [ 615.854887][ T44] ? __pfx___sys_sendmsg+0x10/0x10 [ 615.855119][ T44] ? rcu_is_watching+0x12/0xc0 [ 615.855339][ T44] do_syscall_64+0xc1/0x1d0 [ 615.855576][ T44] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 615.855852][ T44] RIP: 0033:0x7f559e5d49a7 [ 615.856077][ T44] RSP: 002b:00007fff307fd118 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 615.856412][ T44] RAX: ffffffffffffffda RBX: 00007fff307fd848 RCX: 00007f559e5d49a7 [ 615.856749][ T44] RDX: 0000000000000000 RSI: 00007fff307fd180 RDI: 0000000000000003 [ 615.857077][ T44] RBP: 0000000000000009 R08: 00000000ffff7fff R09: 0000000000000000 [ 615.857408][ T44] R10: 00007f559e4924a8 R11: 0000000000000246 R12: 0000000000000009 [ 615.857746][ T44] R13: 00000000681088d5 R14: 0000000000498600 R15: 0000000000000000 [ 615.858087][ T44] [ 615.858259][ T44] INFO: task ip:450 blocked for more than 491 seconds. [ 615.858522][ T44] Not tainted 6.15.0-rc3-virtme #1 [ 615.858729][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 615.859087][ T44] task:ip state:D stack:24936 pid:450 tgid:450 ppid:332 task_flags:0x400100 flags:0x00004006 [ 615.859579][ T44] Call Trace: [ 615.859765][ T44] [ 615.859883][ T44] __schedule+0x851/0x1b00 [ 615.860122][ T44] ? __pfx___schedule+0x10/0x10 [ 615.860358][ T44] ? schedule+0x1ee/0x270 [ 615.860535][ T44] ? __lock_release+0x5d/0x170 [ 615.860769][ T44] schedule+0xe2/0x270 [ 615.860948][ T44] schedule_preempt_disabled+0x18/0x30 [ 615.861165][ T44] __mutex_lock+0x77f/0xcd0 [ 615.861384][ T44] ? kasan_quarantine_put+0x10d/0x230 [ 615.861615][ T44] ? xdp_features_set_redirect_target+0x23/0x80 [ 615.861888][ T44] ? __pfx___mutex_lock+0x10/0x10 [ 615.862113][ T44] ? kfree+0x144/0x320 [ 615.862279][ T44] ? virtnet_set_guest_offloads+0xf6/0x1b0 [ 615.862567][ T44] ? virtnet_set_guest_offloads+0xf6/0x1b0 [ 615.862837][ T44] ? __pfx_virtnet_set_guest_offloads+0x10/0x10 [ 615.863116][ T44] ? xdp_features_set_redirect_target+0x23/0x80 [ 615.863386][ T44] xdp_features_set_redirect_target+0x23/0x80 [ 615.863674][ T44] virtnet_xdp_set+0x1440/0x1a70 [ 615.863903][ T44] dev_xdp_install+0x41e/0x8c0 [ 615.864124][ T44] ? __pfx_virtnet_xdp+0x10/0x10 [ 615.864341][ T44] ? __pfx_dev_xdp_install+0x10/0x10 [ 615.864581][ T44] dev_xdp_attach+0x53e/0x1120 [ 615.864803][ T44] ? __bpf_prog_get+0x1ac/0x230 [ 615.865022][ T44] ? __pfx_dev_xdp_attach+0x10/0x10 [ 615.865242][ T44] ? __pfx_bpf_prog_get_type_dev+0x10/0x10 [ 615.865525][ T44] dev_change_xdp_fd+0x244/0x290 [ 615.865748][ T44] do_setlink.constprop.0+0x1ffd/0x2790 [ 615.865976][ T44] ? rcu_read_lock_any_held+0x43/0xb0 [ 615.866194][ T44] ? validate_chain+0x166/0x4d0 [ 615.866413][ T44] ? __pfx_do_setlink.constprop.0+0x10/0x10 [ 615.866694][ T44] ? __lock_acquire+0x591/0x9d0 [ 615.866912][ T44] ? mn_hlist_invalidate_range_start+0x1e9/0x590 [ 615.867186][ T44] ? __mutex_trylock_common+0xf9/0x260 [ 615.867414][ T44] ? __pfx___mutex_trylock_common+0x10/0x10 [ 615.867701][ T44] ? rcu_is_watching+0x12/0xc0 [ 615.867921][ T44] ? rcu_is_watching+0x12/0xc0 [ 615.868143][ T44] ? find_held_lock+0x2b/0x80 [ 615.868360][ T44] ? rtnl_newlink+0x651/0xa60 [ 615.868586][ T44] ? __create_object+0x5e/0xb0 [ 615.868807][ T44] ? __pfx___mutex_lock+0x10/0x10 [ 615.869031][ T44] ? trace_cap_capable+0x10f/0x190 [ 615.869252][ T44] ? _raw_spin_unlock_irqrestore+0x46/0x80 [ 615.869531][ T44] ? __rtnl_newlink+0x40e/0xa40 [ 615.869757][ T44] rtnl_newlink+0x69a/0xa60 [ 615.869982][ T44] ? __pfx_rtnl_newlink+0x10/0x10 [ 615.870200][ T44] ? __lock_acquire+0x591/0x9d0 [ 615.870431][ T44] ? find_held_lock+0x2b/0x80 [ 615.870657][ T44] ? rtnetlink_rcv_msg+0x6ed/0xc00 [ 615.870876][ T44] ? __lock_release+0x5d/0x170 [ 615.871101][ T44] ? __pfx_rtnl_newlink+0x10/0x10 [ 615.871341][ T44] rtnetlink_rcv_msg+0x710/0xc00 [ 615.871590][ T44] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 615.871837][ T44] ? validate_chain+0x166/0x4d0 [ 615.872074][ T44] netlink_rcv_skb+0x12f/0x360 [ 615.872298][ T44] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 615.872540][ T44] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 615.872764][ T44] ? __lock_acquire+0x591/0x9d0 [ 615.872991][ T44] ? netlink_deliver_tap+0x13e/0x340 [ 615.873209][ T44] ? __lock_release+0x5d/0x170 [ 615.873432][ T44] ? netlink_deliver_tap+0x13e/0x340 [ 615.873656][ T44] ? netlink_deliver_tap+0xc3/0x340 [ 615.873877][ T44] netlink_unicast+0x449/0x710 [ 615.874100][ T44] ? __pfx_netlink_unicast+0x10/0x10 [ 615.874324][ T44] ? __lock_acquire+0x591/0x9d0 [ 615.874554][ T44] netlink_sendmsg+0x721/0xbe0 [ 615.874781][ T44] ? __pfx_netlink_sendmsg+0x10/0x10 [ 615.875000][ T44] ? __import_iovec+0x238/0x3c0 [ 615.875225][ T44] ____sys_sendmsg+0x7aa/0xa10 [ 615.875446][ T44] ? __pfx_____sys_sendmsg+0x10/0x10 [ 615.875680][ T44] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 615.875968][ T44] ___sys_sendmsg+0xed/0x170 [ 615.876188][ T44] ? kasan_record_aux_stack+0x8c/0xa0 [ 615.876405][ T44] ? __call_rcu_common.constprop.0+0xa1/0x610 [ 615.876686][ T44] ? __pfx____sys_sendmsg+0x10/0x10 [ 615.876911][ T44] ? find_held_lock+0x2b/0x80 [ 615.877132][ T44] ? __lock_acquire+0x591/0x9d0 [ 615.877501][ T44] ? find_held_lock+0x2b/0x80 [ 615.877719][ T44] ? __virt_addr_valid+0x22e/0x450 [ 615.877943][ T44] ? __lock_release+0x5d/0x170 [ 615.878169][ T44] __sys_sendmsg+0x108/0x1a0 [ 615.878532][ T44] ? __pfx___sys_sendmsg+0x10/0x10 [ 615.878763][ T44] ? rcu_is_watching+0x12/0xc0 [ 615.878982][ T44] do_syscall_64+0xc1/0x1d0 [ 615.879207][ T44] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 615.879629][ T44] RIP: 0033:0x7f559e5d49a7 [ 615.879859][ T44] RSP: 002b:00007fff307fd118 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 615.880189][ T44] RAX: ffffffffffffffda RBX: 00007fff307fd848 RCX: 00007f559e5d49a7 [ 615.880530][ T44] RDX: 0000000000000000 RSI: 00007fff307fd180 RDI: 0000000000000003 [ 615.880858][ T44] RBP: 0000000000000009 R08: 00000000ffff7fff R09: 0000000000000000 [ 615.881333][ T44] R10: 00007f559e4924a8 R11: 0000000000000246 R12: 0000000000000009 [ 615.881667][ T44] R13: 00000000681088d5 R14: 0000000000498600 R15: 0000000000000000 [ 615.882007][ T44] [ 615.882183][ T44] INFO: task ip:450 is blocked on a mutex likely owned by task kworker/2:2:63. [ 615.882556][ T44] task:kworker/2:2 state:R running task stack:28128 pid:63 tgid:63 ppid:2 task_flags:0x4208060 flags:0x00004000 [ 615.883223][ T44] Workqueue: events refill_work [ 615.883445][ T44] Call Trace: [ 615.883623][ T44] [ 615.883738][ T44] __schedule+0x851/0x1b00 [ 615.883962][ T44] ? __pfx___schedule+0x10/0x10 [ 615.884191][ T44] ? schedule+0x1ee/0x270 [ 615.884353][ T44] ? __lock_release+0x5d/0x170 [ 615.884582][ T44] schedule+0xe2/0x270 [ 615.884752][ T44] schedule_hrtimeout_range_clock+0x100/0x2d0 [ 615.885160][ T44] ? __pfx_schedule_hrtimeout_range_clock+0x10/0x10 [ 615.885427][ T44] ? find_held_lock+0x2b/0x80 [ 615.885653][ T44] ? __pfx_hrtimer_wakeup+0x10/0x10 [ 615.885886][ T44] ? ktime_get+0x178/0x200 [ 615.886105][ T44] ? kvm_clock_get_cycles+0x18/0x30 [ 615.886325][ T44] ? ktime_get+0xb8/0x200 [ 615.886499][ T44] usleep_range_state+0x141/0x1d0 [ 615.886719][ T44] ? __pfx_usleep_range_state+0x10/0x10 [ 615.887080][ T44] napi_disable_locked+0x3c0/0x5d0 [ 615.887304][ T44] ? __pfx_napi_disable_locked+0x10/0x10 [ 615.887548][ T44] napi_disable+0x43/0x80 [ 615.887722][ T44] refill_work+0x129/0x220 [ 615.887940][ T44] ? refill_work+0x9b/0x220 [ 615.888300][ T44] process_one_work+0xe40/0x1690 [ 615.888539][ T44] ? __pfx_process_one_work+0x10/0x10 [ 615.888766][ T44] ? assign_work+0x16c/0x240 [ 615.888990][ T44] worker_thread+0x591/0xcf0 [ 615.889351][ T44] ? __pfx_worker_thread+0x10/0x10 [ 615.889582][ T44] kthread+0x37b/0x600 [ 615.889748][ T44] ? __pfx_kthread+0x10/0x10 [ 615.889968][ T44] ? ret_from_fork+0x1b/0x70 [ 615.890184][ T44] ? __lock_release+0x5d/0x170 [ 615.890414][ T44] ? rcu_is_watching+0x12/0xc0 [ 615.890641][ T44] ? __pfx_kthread+0x10/0x10 [ 615.890861][ T44] ret_from_fork+0x31/0x70 [ 615.891213][ T44] ? __pfx_kthread+0x10/0x10 [ 615.891429][ T44] ret_from_fork_asm+0x1a/0x30 [ 615.891673][ T44] [ 615.891865][ T44] INFO: task ethtool:456 blocked for more than 122 seconds. [ 615.892314][ T44] Not tainted 6.15.0-rc3-virtme #1 [ 615.892530][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 615.892893][ T44] task:ethtool state:D stack:25920 pid:456 tgid:456 ppid:332 task_flags:0x400100 flags:0x00000002 [ 615.893505][ T44] Call Trace: [ 615.893669][ T44] [ 615.893790][ T44] __schedule+0x851/0x1b00 [ 615.894148][ T44] ? __pfx___schedule+0x10/0x10 [ 615.894372][ T44] ? schedule+0x1ee/0x270 [ 615.894542][ T44] ? __lock_release+0x5d/0x170 [ 615.894765][ T44] schedule+0xe2/0x270 [ 615.894930][ T44] schedule_preempt_disabled+0x18/0x30 [ 615.895146][ T44] __mutex_lock+0x77f/0xcd0 [ 615.895369][ T44] ? __nla_parse+0x26/0x30 [ 615.895605][ T44] ? ethnl_default_doit+0x31b/0xe60 [ 615.895826][ T44] ? __pfx___mutex_lock+0x10/0x10 [ 615.896188][ T44] ? __pfx_strset_parse_request+0x10/0x10 [ 615.896423][ T44] ? ethnl_default_parse+0x169/0x270 [ 615.896656][ T44] ? ethnl_default_doit+0x31b/0xe60 [ 615.896887][ T44] ethnl_default_doit+0x31b/0xe60 [ 615.897245][ T44] ? __pfx_ethnl_default_doit+0x10/0x10 [ 615.897465][ T44] ? __nla_parse+0x26/0x30 [ 615.897692][ T44] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x162/0x240 [ 615.898021][ T44] genl_family_rcv_msg_doit+0x1d3/0x2b0 [ 615.898240][ T44] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 615.898527][ T44] ? is_bpf_text_address+0x71/0x120 [ 615.898750][ T44] ? kernel_text_address+0xce/0xe0 [ 615.899111][ T44] genl_family_rcv_msg+0x33b/0x590 [ 615.899331][ T44] ? __pfx_genl_family_rcv_msg+0x10/0x10 [ 615.899565][ T44] ? __pfx_ethnl_default_doit+0x10/0x10 [ 615.899824][ T44] ? rcu_read_lock_any_held+0x43/0xb0 [ 615.900174][ T44] ? validate_chain+0x166/0x4d0 [ 615.900403][ T44] genl_rcv_msg+0xa3/0x140 [ 615.900632][ T44] netlink_rcv_skb+0x12f/0x360 [ 615.900854][ T44] ? __pfx_genl_rcv_msg+0x10/0x10 [ 615.901074][ T44] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 615.901305][ T44] ? __pfx_down_read+0x10/0x10 [ 615.901530][ T44] ? __lock_release+0x5d/0x170 [ 615.901749][ T44] ? netlink_deliver_tap+0x13e/0x340 [ 615.902109][ T44] genl_rcv+0x28/0x40 [ 615.902274][ T44] netlink_unicast+0x449/0x710 [ 615.902502][ T44] ? __pfx_netlink_unicast+0x10/0x10 [ 615.902725][ T44] ? __lock_acquire+0x591/0x9d0 [ 615.903082][ T44] netlink_sendmsg+0x721/0xbe0 [ 615.903305][ T44] ? __pfx_netlink_sendmsg+0x10/0x10 [ 615.903545][ T44] ? __might_fault+0x11b/0x170 [ 615.903767][ T44] __sys_sendto+0x3c1/0x450 [ 615.903988][ T44] ? __pfx___sys_sendto+0x10/0x10 [ 615.904212][ T44] ? __pfx_lock_vma_under_rcu+0x10/0x10 [ 615.904438][ T44] ? find_held_lock+0x2b/0x80 [ 615.904663][ T44] ? exc_page_fault+0x5e/0xd0 [ 615.905017][ T44] ? __lock_release+0x5d/0x170 [ 615.905243][ T44] ? exc_page_fault+0x5e/0xd0 [ 615.905460][ T44] ? do_user_addr_fault+0x959/0xe00 [ 615.905693][ T44] __x64_sys_sendto+0xe0/0x1c0 [ 615.906045][ T44] ? do_syscall_64+0x85/0x1d0 [ 615.906261][ T44] ? lockdep_hardirqs_on+0x7c/0x110 [ 615.906490][ T44] do_syscall_64+0xc1/0x1d0 [ 615.906713][ T44] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 615.906981][ T44] RIP: 0033:0x7f3b4c847a4a [ 615.907204][ T44] RSP: 002b:00007fffba223378 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 615.907548][ T44] RAX: ffffffffffffffda RBX: 0000000031f04340 RCX: 00007f3b4c847a4a [ 615.908013][ T44] RDX: 0000000000000028 RSI: 0000000031f043b0 RDI: 0000000000000003 [ 615.908345][ T44] RBP: 0000000031f043b0 R08: 00007f3b4c904200 R09: 000000000000000c [ 615.908678][ T44] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000042b820 [ 615.909004][ T44] R13: 00007fffba223450 R14: 0000000031f04350 R15: 00007f3b4ca27000 [ 615.909343][ T44] [ 615.909530][ T44] INFO: task ethtool:456 is blocked on a mutex likely owned by task ip:450. [ 615.910028][ T44] task:ip state:D stack:24936 pid:450 tgid:450 ppid:332 task_flags:0x400100 flags:0x00004006 [ 615.910516][ T44] Call Trace: [ 615.910680][ T44] [ 615.910794][ T44] __schedule+0x851/0x1b00 [ 615.911016][ T44] ? __pfx___schedule+0x10/0x10 [ 615.911240][ T44] ? schedule+0x1ee/0x270 [ 615.911411][ T44] ? __lock_release+0x5d/0x170 [ 615.911784][ T44] schedule+0xe2/0x270 [ 615.911951][ T44] schedule_preempt_disabled+0x18/0x30 [ 615.912167][ T44] __mutex_lock+0x77f/0xcd0 [ 615.912385][ T44] ? kasan_quarantine_put+0x10d/0x230 [ 615.912612][ T44] ? xdp_features_set_redirect_target+0x23/0x80 [ 615.912888][ T44] ? __pfx___mutex_lock+0x10/0x10 [ 615.913108][ T44] ? kfree+0x144/0x320 [ 615.913274][ T44] ? virtnet_set_guest_offloads+0xf6/0x1b0 [ 615.913689][ T44] ? virtnet_set_guest_offloads+0xf6/0x1b0 [ 615.913959][ T44] ? __pfx_virtnet_set_guest_offloads+0x10/0x10 [ 615.914235][ T44] ? xdp_features_set_redirect_target+0x23/0x80 [ 615.914516][ T44] xdp_features_set_redirect_target+0x23/0x80 [ 615.914788][ T44] virtnet_xdp_set+0x1440/0x1a70 [ 615.915019][ T44] dev_xdp_install+0x41e/0x8c0 [ 615.915235][ T44] ? __pfx_virtnet_xdp+0x10/0x10 [ 615.915603][ T44] ? __pfx_dev_xdp_install+0x10/0x10 [ 615.915833][ T44] dev_xdp_attach+0x53e/0x1120 [ 615.916057][ T44] ? __bpf_prog_get+0x1ac/0x230 [ 615.916277][ T44] ? __pfx_dev_xdp_attach+0x10/0x10 [ 615.916614][ T44] ? __pfx_bpf_prog_get_type_dev+0x10/0x10 [ 615.916894][ T44] dev_change_xdp_fd+0x244/0x290 [ 615.917119][ T44] do_setlink.constprop.0+0x1ffd/0x2790 [ 615.917339][ T44] ? rcu_read_lock_any_held+0x43/0xb0 [ 615.917698][ T44] ? validate_chain+0x166/0x4d0 [ 615.917919][ T44] ? __pfx_do_setlink.constprop.0+0x10/0x10 [ 615.918191][ T44] ? __lock_acquire+0x591/0x9d0 [ 615.918407][ T44] ? mn_hlist_invalidate_range_start+0x1e9/0x590 [ 615.918826][ T44] ? __mutex_trylock_common+0xf9/0x260 [ 615.919046][ T44] ? __pfx___mutex_trylock_common+0x10/0x10 [ 615.919319][ T44] ? rcu_is_watching+0x12/0xc0 [ 615.919689][ T44] ? rcu_is_watching+0x12/0xc0 [ 615.919910][ T44] ? find_held_lock+0x2b/0x80 [ 615.920127][ T44] ? rtnl_newlink+0x651/0xa60 [ 615.920350][ T44] ? __create_object+0x5e/0xb0 [ 615.920685][ T44] ? __pfx___mutex_lock+0x10/0x10 [ 615.920910][ T44] ? trace_cap_capable+0x10f/0x190 [ 615.921131][ T44] ? _raw_spin_unlock_irqrestore+0x46/0x80 [ 615.921400][ T44] ? __rtnl_newlink+0x40e/0xa40 [ 615.921769][ T44] rtnl_newlink+0x69a/0xa60 [ 615.921995][ T44] ? __pfx_rtnl_newlink+0x10/0x10 [ 615.922212][ T44] ? __lock_acquire+0x591/0x9d0 [ 615.922436][ T44] ? find_held_lock+0x2b/0x80 [ 615.922802][ T44] ? rtnetlink_rcv_msg+0x6ed/0xc00 [ 615.923023][ T44] ? __lock_release+0x5d/0x170 [ 615.923242][ T44] ? __pfx_rtnl_newlink+0x10/0x10 [ 615.923459][ T44] rtnetlink_rcv_msg+0x710/0xc00 [ 615.923830][ T44] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 615.924047][ T44] ? validate_chain+0x166/0x4d0 [ 615.924277][ T44] netlink_rcv_skb+0x12f/0x360 [ 615.924506][ T44] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 615.924731][ T44] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 615.924947][ T44] ? __lock_acquire+0x591/0x9d0 [ 615.925173][ T44] ? netlink_deliver_tap+0x13e/0x340 [ 615.925390][ T44] ? __lock_release+0x5d/0x170 [ 615.925753][ T44] ? netlink_deliver_tap+0x13e/0x340 [ 615.925973][ T44] ? netlink_deliver_tap+0xc3/0x340 [ 615.926192][ T44] netlink_unicast+0x449/0x710 [ 615.926418][ T44] ? __pfx_netlink_unicast+0x10/0x10 [ 615.926806][ T44] ? __lock_acquire+0x591/0x9d0 [ 615.927034][ T44] netlink_sendmsg+0x721/0xbe0 [ 615.927263][ T44] ? __pfx_netlink_sendmsg+0x10/0x10 [ 615.927506][ T44] ? __import_iovec+0x238/0x3c0 [ 615.927906][ T44] ____sys_sendmsg+0x7aa/0xa10 [ 615.928126][ T44] ? __pfx_____sys_sendmsg+0x10/0x10 [ 615.928346][ T44] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 615.928640][ T44] ___sys_sendmsg+0xed/0x170 [ 615.928858][ T44] ? kasan_record_aux_stack+0x8c/0xa0 [ 615.929074][ T44] ? __call_rcu_common.constprop.0+0xa1/0x610 [ 615.929349][ T44] ? __pfx____sys_sendmsg+0x10/0x10 [ 615.929717][ T44] ? find_held_lock+0x2b/0x80 [ 615.929939][ T44] ? __lock_acquire+0x591/0x9d0 [ 615.930166][ T44] ? find_held_lock+0x2b/0x80 [ 615.930391][ T44] ? __virt_addr_valid+0x22e/0x450 [ 615.930617][ T44] ? __lock_release+0x5d/0x170 [ 615.930847][ T44] __sys_sendmsg+0x108/0x1a0 [ 615.931064][ T44] ? __pfx___sys_sendmsg+0x10/0x10 [ 615.931293][ T44] ? rcu_is_watching+0x12/0xc0 [ 615.931665][ T44] do_syscall_64+0xc1/0x1d0 [ 615.931884][ T44] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 615.932155][ T44] RIP: 0033:0x7f559e5d49a7 [ 615.932383][ T44] RSP: 002b:00007fff307fd118 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 615.932723][ T44] RAX: ffffffffffffffda RBX: 00007fff307fd848 RCX: 00007f559e5d49a7 [ 615.933051][ T44] RDX: 0000000000000000 RSI: 00007fff307fd180 RDI: 0000000000000003 [ 615.933377][ T44] RBP: 0000000000000009 R08: 00000000ffff7fff R09: 0000000000000000 [ 615.933860][ T44] R10: 00007f559e4924a8 R11: 0000000000000246 R12: 0000000000000009 [ 615.934190][ T44] R13: 00000000681088d5 R14: 0000000000498600 R15: 0000000000000000 [ 615.934676][ T44] [ 615.934846][ T44] [ 615.934846][ T44] Showing all locks held in the system: [ 615.935161][ T44] 1 lock held by khungtaskd/44: [ 615.935374][ T44] #0: ffffffffba3745a0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x36/0x260 [ 615.935856][ T44] 3 locks held by kworker/2:2/63: [ 615.936067][ T44] #0: ffff8880010a1548 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x7e5/0x1690 [ 615.936497][ T44] #1: ffffc90000447d40 ((work_completion)(&(&vi->refill)->work)){+.+.}-{0:0}, at: process_one_work+0xdf6/0x1690 [ 615.936976][ T44] #2: ffff888008e9ac90 (&dev->lock){+.+.}-{4:4}, at: napi_disable+0x3b/0x80 [ 615.937353][ T44] 3 locks held by kworker/u16:1/68: [ 615.937569][ T44] #0: ffff88800946e548 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x7e5/0x1690 [ 615.938122][ T44] #1: ffffc90000497d40 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0xdf6/0x1690 [ 615.938671][ T44] #2: ffffffffbac3ca48 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_verify_work+0x12/0x30 [ 615.939217][ T44] 2 locks held by ip/450: [ 615.939374][ T44] #0: ffffffffbac3ca48 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x651/0xa60 [ 615.939751][ T44] #1: ffff888008e9ac90 (&dev->lock){+.+.}-{4:4}, at: xdp_features_set_redirect_target+0x23/0x80 [ 615.940313][ T44] 2 locks held by ethtool/456: [ 615.940529][ T44] #0: ffffffffbac94a70 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 [ 615.940851][ T44] #1: ffffffffbac3ca48 (rtnl_mutex){+.+.}-{4:4}, at: ethnl_default_doit+0x31b/0xe60 [ 615.941348][ T44] [ 615.941453][ T44] ============================================= [ 615.941453][ T44] [ 738.706649][ T44] INFO: task kworker/u16:1:68 blocked for more than 491 seconds. [ 738.707123][ T44] Not tainted 6.15.0-rc3-virtme #1 [ 738.707337][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 738.707730][ T44] task:kworker/u16:1 state:D stack:28128 pid:68 tgid:68 ppid:2 task_flags:0x4208060 flags:0x00004000 [ 738.708240][ T44] Workqueue: ipv6_addrconf addrconf_verify_work [ 738.708555][ T44] Call Trace: [ 738.708722][ T44] [ 738.708841][ T44] __schedule+0x851/0x1b00 [ 738.709071][ T44] ? __pfx___schedule+0x10/0x10 [ 738.709299][ T44] ? schedule+0x1ee/0x270 [ 738.709463][ T44] ? __lock_release+0x5d/0x170 [ 738.709736][ T44] schedule+0xe2/0x270 [ 738.709912][ T44] schedule_preempt_disabled+0x18/0x30 [ 738.710143][ T44] __mutex_lock+0x77f/0xcd0 [ 738.710367][ T44] ? validate_chain+0x166/0x4d0 [ 738.710605][ T44] ? addrconf_verify_work+0x12/0x30 [ 738.710838][ T44] ? __pfx___mutex_lock+0x10/0x10 [ 738.711066][ T44] ? rcu_is_watching+0x12/0xc0 [ 738.711292][ T44] ? addrconf_verify_work+0x12/0x30 [ 738.711530][ T44] addrconf_verify_work+0x12/0x30 [ 738.711776][ T44] process_one_work+0xe40/0x1690 [ 738.712019][ T44] ? __pfx_process_one_work+0x10/0x10 [ 738.712263][ T44] ? assign_work+0x16c/0x240 [ 738.712494][ T44] worker_thread+0x591/0xcf0 [ 738.712722][ T44] ? __pfx_worker_thread+0x10/0x10 [ 738.712946][ T44] kthread+0x37b/0x600 [ 738.713114][ T44] ? __pfx_kthread+0x10/0x10 [ 738.713329][ T44] ? ret_from_fork+0x1b/0x70 [ 738.713554][ T44] ? __lock_release+0x5d/0x170 [ 738.713780][ T44] ? rcu_is_watching+0x12/0xc0 [ 738.713999][ T44] ? __pfx_kthread+0x10/0x10 [ 738.714219][ T44] ret_from_fork+0x31/0x70 [ 738.714437][ T44] ? __pfx_kthread+0x10/0x10 [ 738.714665][ T44] ret_from_fork_asm+0x1a/0x30 [ 738.714899][ T44] [ 738.715091][ T44] INFO: task kworker/u16:1:68 is blocked on a mutex likely owned by task ip:450. [ 738.715460][ T44] task:ip state:D stack:24936 pid:450 tgid:450 ppid:332 task_flags:0x400100 flags:0x00004006 [ 738.715965][ T44] Call Trace: [ 738.716128][ T44] [ 738.716243][ T44] __schedule+0x851/0x1b00 [ 738.716480][ T44] ? __pfx___schedule+0x10/0x10 [ 738.716708][ T44] ? schedule+0x1ee/0x270 [ 738.716871][ T44] ? __lock_release+0x5d/0x170 [ 738.717095][ T44] schedule+0xe2/0x270 [ 738.717272][ T44] schedule_preempt_disabled+0x18/0x30 [ 738.717495][ T44] __mutex_lock+0x77f/0xcd0 [ 738.717721][ T44] ? kasan_quarantine_put+0x10d/0x230 [ 738.717944][ T44] ? xdp_features_set_redirect_target+0x23/0x80 [ 738.718218][ T44] ? __pfx___mutex_lock+0x10/0x10 [ 738.718435][ T44] ? kfree+0x144/0x320 [ 738.718610][ T44] ? virtnet_set_guest_offloads+0xf6/0x1b0 [ 738.718895][ T44] ? virtnet_set_guest_offloads+0xf6/0x1b0 [ 738.719165][ T44] ? __pfx_virtnet_set_guest_offloads+0x10/0x10 [ 738.719441][ T44] ? xdp_features_set_redirect_target+0x23/0x80 [ 738.719733][ T44] xdp_features_set_redirect_target+0x23/0x80 [ 738.720028][ T44] virtnet_xdp_set+0x1440/0x1a70 [ 738.720268][ T44] dev_xdp_install+0x41e/0x8c0 [ 738.720498][ T44] ? __pfx_virtnet_xdp+0x10/0x10 [ 738.720739][ T44] ? __pfx_dev_xdp_install+0x10/0x10 [ 738.720967][ T44] dev_xdp_attach+0x53e/0x1120 [ 738.721189][ T44] ? __bpf_prog_get+0x1ac/0x230 [ 738.721410][ T44] ? __pfx_dev_xdp_attach+0x10/0x10 [ 738.721639][ T44] ? __pfx_bpf_prog_get_type_dev+0x10/0x10 [ 738.721916][ T44] dev_change_xdp_fd+0x244/0x290 [ 738.722138][ T44] do_setlink.constprop.0+0x1ffd/0x2790 [ 738.722365][ T44] ? rcu_read_lock_any_held+0x43/0xb0 [ 738.722589][ T44] ? validate_chain+0x166/0x4d0 [ 738.722809][ T44] ? __pfx_do_setlink.constprop.0+0x10/0x10 [ 738.723085][ T44] ? __lock_acquire+0x591/0x9d0 [ 738.723301][ T44] ? mn_hlist_invalidate_range_start+0x1e9/0x590 [ 738.723594][ T44] ? __mutex_trylock_common+0xf9/0x260 [ 738.723839][ T44] ? __pfx___mutex_trylock_common+0x10/0x10 [ 738.724122][ T44] ? rcu_is_watching+0x12/0xc0 [ 738.724358][ T44] ? rcu_is_watching+0x12/0xc0 [ 738.724590][ T44] ? find_held_lock+0x2b/0x80 [ 738.724808][ T44] ? rtnl_newlink+0x651/0xa60 [ 738.725025][ T44] ? __create_object+0x5e/0xb0 [ 738.725243][ T44] ? __pfx___mutex_lock+0x10/0x10 [ 738.725464][ T44] ? trace_cap_capable+0x10f/0x190 [ 738.725699][ T44] ? _raw_spin_unlock_irqrestore+0x46/0x80 [ 738.725972][ T44] ? __rtnl_newlink+0x40e/0xa40 [ 738.726200][ T44] rtnl_newlink+0x69a/0xa60 [ 738.726429][ T44] ? __pfx_rtnl_newlink+0x10/0x10 [ 738.726654][ T44] ? __lock_acquire+0x591/0x9d0 [ 738.726879][ T44] ? find_held_lock+0x2b/0x80 [ 738.727097][ T44] ? rtnetlink_rcv_msg+0x6ed/0xc00 [ 738.727314][ T44] ? __lock_release+0x5d/0x170 [ 738.727558][ T44] ? __pfx_rtnl_newlink+0x10/0x10 [ 738.727778][ T44] rtnetlink_rcv_msg+0x710/0xc00 [ 738.727997][ T44] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 738.728215][ T44] ? validate_chain+0x166/0x4d0 [ 738.728446][ T44] netlink_rcv_skb+0x12f/0x360 [ 738.728674][ T44] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 738.728895][ T44] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 738.729121][ T44] ? __lock_acquire+0x591/0x9d0 [ 738.729348][ T44] ? netlink_deliver_tap+0x13e/0x340 [ 738.729578][ T44] ? __lock_release+0x5d/0x170 [ 738.729800][ T44] ? netlink_deliver_tap+0x13e/0x340 [ 738.730016][ T44] ? netlink_deliver_tap+0xc3/0x340 [ 738.730236][ T44] netlink_unicast+0x449/0x710 [ 738.730460][ T44] ? __pfx_netlink_unicast+0x10/0x10 [ 738.730691][ T44] ? __lock_acquire+0x591/0x9d0 [ 738.730915][ T44] netlink_sendmsg+0x721/0xbe0 [ 738.731137][ T44] ? __pfx_netlink_sendmsg+0x10/0x10 [ 738.731355][ T44] ? __import_iovec+0x238/0x3c0 [ 738.731597][ T44] ____sys_sendmsg+0x7aa/0xa10 [ 738.731826][ T44] ? __pfx_____sys_sendmsg+0x10/0x10 [ 738.732045][ T44] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 738.732329][ T44] ___sys_sendmsg+0xed/0x170 [ 738.732557][ T44] ? kasan_record_aux_stack+0x8c/0xa0 [ 738.732775][ T44] ? __call_rcu_common.constprop.0+0xa1/0x610 [ 738.733049][ T44] ? __pfx____sys_sendmsg+0x10/0x10 [ 738.733272][ T44] ? find_held_lock+0x2b/0x80 [ 738.733502][ T44] ? __lock_acquire+0x591/0x9d0 [ 738.733726][ T44] ? find_held_lock+0x2b/0x80 [ 738.733945][ T44] ? __virt_addr_valid+0x22e/0x450 [ 738.734167][ T44] ? __lock_release+0x5d/0x170 [ 738.734393][ T44] __sys_sendmsg+0x108/0x1a0 [ 738.734620][ T44] ? __pfx___sys_sendmsg+0x10/0x10 [ 738.734855][ T44] ? rcu_is_watching+0x12/0xc0 [ 738.735074][ T44] do_syscall_64+0xc1/0x1d0 [ 738.735295][ T44] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 738.735580][ T44] RIP: 0033:0x7f559e5d49a7 [ 738.735813][ T44] RSP: 002b:00007fff307fd118 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 738.736144][ T44] RAX: ffffffffffffffda RBX: 00007fff307fd848 RCX: 00007f559e5d49a7 [ 738.736486][ T44] RDX: 0000000000000000 RSI: 00007fff307fd180 RDI: 0000000000000003 [ 738.736813][ T44] RBP: 0000000000000009 R08: 00000000ffff7fff R09: 0000000000000000 [ 738.737142][ T44] R10: 00007f559e4924a8 R11: 0000000000000246 R12: 0000000000000009 [ 738.737481][ T44] R13: 00000000681088d5 R14: 0000000000498600 R15: 0000000000000000 [ 738.737827][ T44] [ 738.738002][ T44] INFO: task ip:450 blocked for more than 614 seconds. [ 738.738256][ T44] Not tainted 6.15.0-rc3-virtme #1 [ 738.738461][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 738.738851][ T44] task:ip state:D stack:24936 pid:450 tgid:450 ppid:332 task_flags:0x400100 flags:0x00004006 [ 738.739353][ T44] Call Trace: [ 738.739538][ T44] [ 738.739673][ T44] __schedule+0x851/0x1b00 [ 738.739912][ T44] ? __pfx___schedule+0x10/0x10 [ 738.740138][ T44] ? schedule+0x1ee/0x270 [ 738.740303][ T44] ? __lock_release+0x5d/0x170 [ 738.740539][ T44] schedule+0xe2/0x270 [ 738.740709][ T44] schedule_preempt_disabled+0x18/0x30 [ 738.740927][ T44] __mutex_lock+0x77f/0xcd0 [ 738.741147][ T44] ? kasan_quarantine_put+0x10d/0x230 [ 738.741365][ T44] ? xdp_features_set_redirect_target+0x23/0x80 [ 738.741647][ T44] ? __pfx___mutex_lock+0x10/0x10 [ 738.741867][ T44] ? kfree+0x144/0x320 [ 738.742038][ T44] ? virtnet_set_guest_offloads+0xf6/0x1b0 [ 738.742315][ T44] ? virtnet_set_guest_offloads+0xf6/0x1b0 [ 738.742594][ T44] ? __pfx_virtnet_set_guest_offloads+0x10/0x10 [ 738.742871][ T44] ? xdp_features_set_redirect_target+0x23/0x80 [ 738.743137][ T44] xdp_features_set_redirect_target+0x23/0x80 [ 738.743410][ T44] virtnet_xdp_set+0x1440/0x1a70 [ 738.743657][ T44] dev_xdp_install+0x41e/0x8c0 [ 738.743882][ T44] ? __pfx_virtnet_xdp+0x10/0x10 [ 738.744100][ T44] ? __pfx_dev_xdp_install+0x10/0x10 [ 738.744329][ T44] dev_xdp_attach+0x53e/0x1120 [ 738.744556][ T44] ? __bpf_prog_get+0x1ac/0x230 [ 738.744776][ T44] ? __pfx_dev_xdp_attach+0x10/0x10 [ 738.744999][ T44] ? __pfx_bpf_prog_get_type_dev+0x10/0x10 [ 738.745275][ T44] dev_change_xdp_fd+0x244/0x290 [ 738.745509][ T44] do_setlink.constprop.0+0x1ffd/0x2790 [ 738.745734][ T44] ? rcu_read_lock_any_held+0x43/0xb0 [ 738.745949][ T44] ? validate_chain+0x166/0x4d0 [ 738.746168][ T44] ? __pfx_do_setlink.constprop.0+0x10/0x10 [ 738.746452][ T44] ? __lock_acquire+0x591/0x9d0 [ 738.746678][ T44] ? mn_hlist_invalidate_range_start+0x1e9/0x590 [ 738.746953][ T44] ? __mutex_trylock_common+0xf9/0x260 [ 738.747178][ T44] ? __pfx___mutex_trylock_common+0x10/0x10 [ 738.747450][ T44] ? rcu_is_watching+0x12/0xc0 [ 738.747684][ T44] ? rcu_is_watching+0x12/0xc0 [ 738.747942][ T44] ? find_held_lock+0x2b/0x80 [ 738.748167][ T44] ? rtnl_newlink+0x651/0xa60 [ 738.748394][ T44] ? __create_object+0x5e/0xb0 [ 738.748620][ T44] ? __pfx___mutex_lock+0x10/0x10 [ 738.748841][ T44] ? trace_cap_capable+0x10f/0x190 [ 738.749064][ T44] ? _raw_spin_unlock_irqrestore+0x46/0x80 [ 738.749333][ T44] ? __rtnl_newlink+0x40e/0xa40 [ 738.749573][ T44] rtnl_newlink+0x69a/0xa60 [ 738.749798][ T44] ? __pfx_rtnl_newlink+0x10/0x10 [ 738.750016][ T44] ? __lock_acquire+0x591/0x9d0 [ 738.750239][ T44] ? find_held_lock+0x2b/0x80 [ 738.750457][ T44] ? rtnetlink_rcv_msg+0x6ed/0xc00 [ 738.750686][ T44] ? __lock_release+0x5d/0x170 [ 738.750910][ T44] ? __pfx_rtnl_newlink+0x10/0x10 [ 738.751127][ T44] rtnetlink_rcv_msg+0x710/0xc00 [ 738.751348][ T44] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 738.751580][ T44] ? validate_chain+0x166/0x4d0 [ 738.751811][ T44] netlink_rcv_skb+0x12f/0x360 [ 738.752030][ T44] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 738.752250][ T44] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 738.752486][ T44] ? __lock_acquire+0x591/0x9d0 [ 738.752713][ T44] ? netlink_deliver_tap+0x13e/0x340 [ 738.752930][ T44] ? __lock_release+0x5d/0x170 [ 738.753149][ T44] ? netlink_deliver_tap+0x13e/0x340 [ 738.753364][ T44] ? netlink_deliver_tap+0xc3/0x340 [ 738.753592][ T44] netlink_unicast+0x449/0x710 [ 738.753817][ T44] ? __pfx_netlink_unicast+0x10/0x10 [ 738.754039][ T44] ? __lock_acquire+0x591/0x9d0 [ 738.754262][ T44] netlink_sendmsg+0x721/0xbe0 [ 738.754492][ T44] ? __pfx_netlink_sendmsg+0x10/0x10 [ 738.754712][ T44] ? __import_iovec+0x238/0x3c0 [ 738.754936][ T44] ____sys_sendmsg+0x7aa/0xa10 [ 738.755156][ T44] ? __pfx_____sys_sendmsg+0x10/0x10 [ 738.755377][ T44] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 738.755677][ T44] ___sys_sendmsg+0xed/0x170 [ 738.755899][ T44] ? kasan_record_aux_stack+0x8c/0xa0 [ 738.756117][ T44] ? __call_rcu_common.constprop.0+0xa1/0x610 [ 738.756389][ T44] ? __pfx____sys_sendmsg+0x10/0x10 [ 738.756619][ T44] ? find_held_lock+0x2b/0x80 [ 738.756846][ T44] ? __lock_acquire+0x591/0x9d0 [ 738.757070][ T44] ? find_held_lock+0x2b/0x80 [ 738.757296][ T44] ? __virt_addr_valid+0x22e/0x450 [ 738.757521][ T44] ? __lock_release+0x5d/0x170 [ 738.757749][ T44] __sys_sendmsg+0x108/0x1a0 [ 738.757967][ T44] ? __pfx___sys_sendmsg+0x10/0x10 [ 738.758200][ T44] ? rcu_is_watching+0x12/0xc0 [ 738.758419][ T44] do_syscall_64+0xc1/0x1d0 [ 738.758829][ T44] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 738.759102][ T44] RIP: 0033:0x7f559e5d49a7 [ 738.759327][ T44] RSP: 002b:00007fff307fd118 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 738.759677][ T44] RAX: ffffffffffffffda RBX: 00007fff307fd848 RCX: 00007f559e5d49a7 [ 738.760009][ T44] RDX: 0000000000000000 RSI: 00007fff307fd180 RDI: 0000000000000003 [ 738.760336][ T44] RBP: 0000000000000009 R08: 00000000ffff7fff R09: 0000000000000000 [ 738.760816][ T44] R10: 00007f559e4924a8 R11: 0000000000000246 R12: 0000000000000009 [ 738.761145][ T44] R13: 00000000681088d5 R14: 0000000000498600 R15: 0000000000000000 [ 738.761499][ T44] [ 738.761673][ T44] INFO: task ip:450 is blocked on a mutex likely owned by task kworker/2:2:63. [ 738.762035][ T44] task:kworker/2:2 state:D stack:28128 pid:63 tgid:63 ppid:2 task_flags:0x4208060 flags:0x00004000 [ 738.762526][ T44] Workqueue: events refill_work [ 738.762748][ T44] Call Trace: [ 738.762914][ T44] [ 738.763028][ T44] __schedule+0x851/0x1b00 [ 738.763252][ T44] ? __pfx___schedule+0x10/0x10 [ 738.763630][ T44] ? schedule+0x1ee/0x270 [ 738.763801][ T44] ? __lock_release+0x5d/0x170 [ 738.764023][ T44] schedule+0xe2/0x270 [ 738.764193][ T44] schedule_hrtimeout_range_clock+0x100/0x2d0 [ 738.764623][ T44] ? __pfx_schedule_hrtimeout_range_clock+0x10/0x10 [ 738.764891][ T44] ? find_held_lock+0x2b/0x80 [ 738.765112][ T44] ? __pfx_hrtimer_wakeup+0x10/0x10 [ 738.765333][ T44] ? ktime_get+0x178/0x200 [ 738.765669][ T44] ? kvm_clock_get_cycles+0x18/0x30 [ 738.765890][ T44] ? ktime_get+0xb8/0x200 [ 738.766059][ T44] usleep_range_state+0x141/0x1d0 [ 738.766281][ T44] ? __pfx_usleep_range_state+0x10/0x10 [ 738.766515][ T44] napi_disable_locked+0x3c0/0x5d0 [ 738.766734][ T44] ? __pfx_napi_disable_locked+0x10/0x10 [ 738.766961][ T44] napi_disable+0x43/0x80 [ 738.767125][ T44] refill_work+0x129/0x220 [ 738.767344][ T44] ? refill_work+0x9b/0x220 [ 738.767724][ T44] process_one_work+0xe40/0x1690 [ 738.767955][ T44] ? __pfx_process_one_work+0x10/0x10 [ 738.768197][ T44] ? assign_work+0x16c/0x240 [ 738.768424][ T44] worker_thread+0x591/0xcf0 [ 738.768663][ T44] ? __pfx_worker_thread+0x10/0x10 [ 738.768889][ T44] kthread+0x37b/0x600 [ 738.769069][ T44] ? __pfx_kthread+0x10/0x10 [ 738.769293][ T44] ? ret_from_fork+0x1b/0x70 [ 738.769664][ T44] ? __lock_release+0x5d/0x170 [ 738.769882][ T44] ? rcu_is_watching+0x12/0xc0 [ 738.770099][ T44] ? __pfx_kthread+0x10/0x10 [ 738.770322][ T44] ret_from_fork+0x31/0x70 [ 738.770679][ T44] ? __pfx_kthread+0x10/0x10 [ 738.770895][ T44] ret_from_fork_asm+0x1a/0x30 [ 738.771127][ T44] [ 738.771290][ T44] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 738.771788][ T44] [ 738.771788][ T44] Showing all locks held in the system: [ 738.772102][ T44] 1 lock held by khungtaskd/44: [ 738.772311][ T44] #0: ffffffffba3745a0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x36/0x260 [ 738.772827][ T44] 3 locks held by kworker/2:2/63: [ 738.773038][ T44] #0: ffff8880010a1548 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x7e5/0x1690 [ 738.773598][ T44] #1: ffffc90000447d40 ((work_completion)(&(&vi->refill)->work)){+.+.}-{0:0}, at: process_one_work+0xdf6/0x1690 [ 738.774072][ T44] #2: ffff888008e9ac90 (&dev->lock){+.+.}-{4:4}, at: napi_disable+0x3b/0x80 [ 738.774585][ T44] 3 locks held by kworker/u16:1/68: [ 738.774794][ T44] #0: ffff88800946e548 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x7e5/0x1690 [ 738.775219][ T44] #1: ffffc90000497d40 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0xdf6/0x1690 [ 738.775884][ T44] #2: ffffffffbac3ca48 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_verify_work+0x12/0x30 [ 738.776262][ T44] 2 locks held by ip/450: [ 738.776553][ T44] #0: ffffffffbac3ca48 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x651/0xa60 [ 738.776930][ T44] #1: ffff888008e9ac90 (&dev->lock){+.+.}-{4:4}, at: xdp_features_set_redirect_target+0x23/0x80 [ 738.777357][ T44] 2 locks held by ethtool/456: [ 738.777572][ T44] #0: ffffffffbac94a70 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 [ 738.777894][ T44] #1: ffffffffbac3ca48 (rtnl_mutex){+.+.}-{4:4}, at: ethnl_default_doit+0x31b/0xe60 [ 738.778270][ T44] [ 738.778375][ T44] ============================================= [ 738.778375][ T44] WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr