C0] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 293.093929][ C0] ? security_socket_sendmsg+0x87/0xb0 [ 293.099544][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 293.104965][ C0] __sock_sendmsg+0x221/0x270 [ 293.109714][ C0] __sys_sendto+0x3a4/0x4f0 [ 293.114288][ C0] ? __pfx___sys_sendto+0x10/0x10 [ 293.119661][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 293.126226][ C0] __x64_sys_sendto+0xde/0x100 [ 293.131057][ C0] do_syscall_64+0xf3/0x230 [ 293.135692][ C0] ? clear_bhb_loop+0x35/0x90 [ 293.140437][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 293.146501][ C0] RIP: 0033:0x7f8119db793c [ 293.150987][ C0] RSP: 002b:00007fffc3041a80 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 293.159579][ C0] RAX: ffffffffffffffda RBX: 00007f8119e3e320 RCX: 00007f8119db793c [ 293.167727][ C0] RDX: 0000000000000020 RSI: 00007f8119e3e370 RDI: 0000000000000004 [ 293.175864][ C0] RBP: 0000000000000000 R08: 00007fffc3041ad4 R09: 000000000000000c [ 293.183910][ C0] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 293.192052][ C0] R13: 00007fffc3041c80 R14: 00007f8119e3e370 R15: 0000000000000000 [ 293.200209][ C0] [ 293.203279][ C0] DEBUG: waiting rtnl_mutex for 855 jiffies. [ 293.209377][ C0] task:kworker/u8:6 state:D stack:23472 pid:2571 tgid:2571 ppid:2 flags:0x00004000 [ 293.219713][ C0] Workqueue: ipv6_addrconf addrconf_dad_work [ 293.225844][ C0] Call Trace: [ 293.229176][ C0] [ 293.232165][ C0] __schedule+0x1800/0x4a60 [ 293.236896][ C0] ? __pfx___schedule+0x10/0x10 [ 293.241827][ C0] ? __pfx_lock_release+0x10/0x10 [ 293.246994][ C0] ? __mutex_trylock_common+0x92/0x2e0 [ 293.252519][ C0] ? kthread_data+0x52/0xd0 [ 293.257160][ C0] ? schedule+0x90/0x320 [ 293.261463][ C0] ? wq_worker_sleeping+0x66/0x240 [ 293.266740][ C0] ? schedule+0x90/0x320 [ 293.271054][ C0] schedule+0x14b/0x320 [ 293.275369][ C0] schedule_preempt_disabled+0x13/0x30 [ 293.280892][ C0] __mutex_lock+0x6a4/0xd70 [ 293.285493][ C0] ? mark_lock+0x9a/0x360 [ 293.289904][ C0] ? __mutex_lock+0x527/0xd70 [ 293.294708][ C0] ? addrconf_dad_work+0xd0/0x16f0 [ 293.299906][ C0] ? __pfx___mutex_lock+0x10/0x10 [ 293.305090][ C0] ? get_rtnl_holder+0x144/0x190 [ 293.310110][ C0] addrconf_dad_work+0xd0/0x16f0 [ 293.315221][ C0] ? preempt_schedule+0xe1/0xf0 [ 293.320144][ C0] ? __pfx_preempt_schedule+0x10/0x10 [ 293.325667][ C0] ? __pfx_addrconf_dad_work+0x10/0x10 [ 293.331203][ C0] ? preempt_schedule_thunk+0x1a/0x30 [ 293.336734][ C0] ? process_scheduled_works+0x945/0x1830 [ 293.342525][ C0] process_scheduled_works+0xa2c/0x1830 [ 293.348323][ C0] ? __pfx_process_scheduled_works+0x10/0x10 [ 293.354408][ C0] ? assign_work+0x364/0x3d0 [ 293.359142][ C0] worker_thread+0x86d/0xd40 [ 293.363842][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 293.369879][ C0] ? __kthread_parkme+0x169/0x1d0 [ 293.375068][ C0] ? __pfx_worker_thread+0x10/0x10 [ 293.380252][ C0] kthread+0x2f0/0x390 [ 293.384377][ C0] ? __pfx_worker_thread+0x10/0x10 [ 293.389631][ C0] ? __pfx_kthread+0x10/0x10 [ 293.394290][ C0] ret_from_fork+0x4b/0x80 [ 293.398868][ C0] ? __pfx_kthread+0x10/0x10 [ 293.403520][ C0] ret_from_fork_asm+0x1a/0x30 [ 293.408468][ C0] [ 293.411535][ C0] DEBUG: waiting rtnl_mutex for 871 jiffies. [ 293.417640][ C0] task:syz-executor243 state:D stack:20408 pid:5247 tgid:5247 ppid:5239 flags:0x00000002 [ 293.427972][ C0] Call Trace: [ 293.431320][ C0] [ 293.434312][ C0] __schedule+0x1800/0x4a60 [ 293.439015][ C0] ? __pfx___schedule+0x10/0x10 [ 293.443959][ C0] ? __pfx_lock_release+0x10/0x10 [ 293.449140][ C0] ? __mutex_trylock_common+0x92/0x2e0 [ 293.454790][ C0] ? schedule+0x90/0x320 [ 293.459117][ C0] schedule+0x14b/0x320 [ 293.463356][ C0] schedule_preempt_disabled+0x13/0x30 [ 293.468967][ C0] __mutex_lock+0x6a4/0xd70 [ 293.473542][ C0] ? __mutex_lock+0x527/0xd70 [ 293.478374][ C0] ? rtnetlink_rcv_msg+0x6eb/0xd00 [ 293.483563][ C0] ? __pfx___mutex_lock+0x10/0x10 [ 293.488763][ C0] ? get_rtnl_holder+0x144/0x190 [ 293.493782][ C0] rtnetlink_rcv_msg+0x6eb/0xd00 [ 293.498872][ C0] ? rtnetlink_rcv_msg+0x1a7/0xd00 [ 293.504056][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 293.509670][ C0] ? ref_tracker_free+0x643/0x7e0 [ 293.514884][ C0] netlink_rcv_skb+0x1e3/0x430 [ 293.519705][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 293.525310][ C0] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 293.530736][ C0] ? netlink_deliver_tap+0x2e/0x1b0 [ 293.536116][ C0] netlink_unicast+0x7f6/0x990 [ 293.540986][ C0] ? __pfx_netlink_unicast+0x10/0x10 [ 293.546514][ C0] ? __virt_addr_valid+0x183/0x530 [ 293.551687][ C0] ? __check_object_size+0x49c/0x900 [ 293.557084][ C0] ? bpf_lsm_netlink_send+0x9/0x10 [ 293.562266][ C0] netlink_sendmsg+0x8e4/0xcb0 [ 293.567205][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 293.572560][ C0] ? aa_sock_msg_perm+0x91/0x160 [ 293.577645][ C0] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 293.583022][ C0] ? security_socket_sendmsg+0x87/0xb0 [ 293.588690][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 293.594053][ C0] __sock_sendmsg+0x221/0x270 [ 293.598933][ C0] __sys_sendto+0x3a4/0x4f0 [ 293.603547][ C0] ? __pfx___sys_sendto+0x10/0x10 [ 293.608794][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 293.614949][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 293.621377][ C0] __x64_sys_sendto+0xde/0x100 [ 293.626320][ C0] do_syscall_64+0xf3/0x230 [ 293.630893][ C0] ? clear_bhb_loop+0x35/0x90 [ 293.635685][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 293.641644][ C0] RIP: 0033:0x7f8119db793c [ 293.646204][ C0] RSP: 002b:00007fffc3041a80 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 293.654796][ C0] RAX: ffffffffffffffda RBX: 00007f8119e3e320 RCX: 00007f8119db793c [ 293.662857][ C0] RDX: 0000000000000020 RSI: 00007f8119e3e370 RDI: 0000000000000004 [ 293.670964][ C0] RBP: 0000000000000000 R08: 00007fffc3041ad4 R09: 000000000000000c [ 293.679070][ C0] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 293.687169][ C0] R13: 00007fffc3041c80 R14: 00007f8119e3e370 R15: 0000000000000000 [ 293.695309][ C0] [ 293.698380][ C0] [ 293.698380][ C0] Showing all locks held in the system: [ 293.706231][ C0] 4 locks held by kworker/u8:0/11: [ 293.711414][ C0] 3 locks held by kworker/u8:1/12: [ 293.716676][ C0] 3 locks held by kworker/u8:2/35: [ 293.721845][ C0] 3 locks held by kworker/u8:3/52: [ 293.727151][ C0] 3 locks held by kworker/u8:6/2571: [ 293.732498][ C0] #0: ffff88802af4c948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 293.745191][ C0] #1: ffffc900096b7d00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 293.758299][ C0] #2: ffffffff8fc81d48 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xd0/0x16f0 [ 293.767998][ C0] 3 locks held by kworker/u8:7/2918: [ 293.773333][ C0] 3 locks held by kworker/u8:8/2958: [ 293.778747][ C0] 1 lock held by udevd/4679: [ 293.783392][ C0] 2 locks held by getty/4976: [ 293.788225][ C0] #0: ffff88802b6970a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 293.798298][ C0] #1: ffffc90002f062f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 [ 293.808690][ C0] 1 lock held by syz-executor243/5247: [ 293.814208][ C0] #0: ffffffff8fc81d48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6eb/0xd00 [ 293.823912][ C0] 1 lock held by syz-executor243/5246: [ 293.829508][ C0] #0: ffffffff8fc81d48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6eb/0xd00 [ 293.839209][ C0] 4 locks held by syz-executor243/5248: [ 293.844936][ C0] 3 locks held by kworker/1:5/5291: [ 293.850183][ C0] #0: ffff888015880948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 293.861439][ C0] #1: ffffc900038bfd00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 293.872681][ C0] #2: ffffffff8fc81d48 (rtnl_mutex){+.+.}-{3:3}, at: linkwatch_event+0xe/0x60 [ 293.881974][ C0] 2 locks held by kworker/0:7/5330: [ 293.887298][ C0] 2 locks held by syz-executor243/5334: [ 293.892895][ C0] #0: ffffc90000007c00 (net/core/rtnetlink.c:83){+.-.}-{0:0}, at: call_timer_fn+0xc0/0x650 [ 293.903289][ C0] #1: ffffffff8e937a60 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 [ 293.913395][ C0] [ 293.915816][ C0] ============================================= [ 293.915816][ C0] [ 295.004616][ C0] DEBUG: waiting rtnl_mutex for 1040 jiffies. [ 295.010719][ C0] task:kworker/1:5 state:D stack:23344 pid:5291 tgid:5291 ppid:2 flags:0x00004000 [ 295.020899][ C0] Workqueue: events linkwatch_event [ 295.026117][ C0] Call Trace: [ 295.029386][ C0] [ 295.032328][ C0] __schedule+0x1800/0x4a60 [ 295.036890][ C0] ? __pfx___schedule+0x10/0x10 [ 295.041766][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 295.047790][ C0] ? __pfx_lock_release+0x10/0x10 [ 295.052833][ C0] ? kick_pool+0x1bd/0x620 [ 295.057272][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 295.062467][ C0] ? lockdep_hardirqs_on+0x99/0x150 [ 295.067690][ C0] ? schedule+0x90/0x320 [ 295.071948][ C0] schedule+0x14b/0x320 [ 295.076128][ C0] schedule_preempt_disabled+0x13/0x30 [ 295.081588][ C0] __mutex_lock+0x6a4/0xd70 [ 295.086136][ C0] ? __mutex_lock+0x527/0xd70 [ 295.090810][ C0] ? linkwatch_event+0xe/0x60 [ 295.095501][ C0] ? __pfx___mutex_lock+0x10/0x10 [ 295.100610][ C0] ? get_rtnl_holder+0x144/0x190 [ 295.105563][ C0] ? process_scheduled_works+0x945/0x1830 [ 295.111296][ C0] linkwatch_event+0xe/0x60 [ 295.115818][ C0] process_scheduled_works+0xa2c/0x1830 [ 295.121406][ C0] ? __pfx_process_scheduled_works+0x10/0x10 [ 295.127435][ C0] ? assign_work+0x364/0x3d0 [ 295.132037][ C0] worker_thread+0x86d/0xd40 [ 295.136673][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 295.142588][ C0] ? __kthread_parkme+0x169/0x1d0 [ 295.147639][ C0] ? __pfx_worker_thread+0x10/0x10 [ 295.152756][ C0] kthread+0x2f0/0x390 [ 295.156853][ C0] ? __pfx_worker_thread+0x10/0x10 [ 295.161967][ C0] ? __pfx_kthread+0x10/0x10 [ 295.166568][ C0] ret_from_fork+0x4b/0x80 [ 295.170988][ C0] ? __pfx_kthread+0x10/0x10 [ 295.175605][ C0] ret_from_fork_asm+0x1a/0x30 [ 295.180378][ C0] [ 295.183389][ C0] DEBUG: holding rtnl_mutex for 1057 jiffies. [ 295.189460][ C0] task:syz-executor243 state:R running task stack:19920 pid:5248 tgid:5248 ppid:5241 flags:0x00004002 [ 295.201206][ C0] Call Trace: [ 295.204479][ C0] [ 295.207437][ C0] __schedule+0x1800/0x4a60 [ 295.211959][ C0] ? __pfx___schedule+0x10/0x10 [ 295.216837][ C0] ? __mutex_trylock_common+0x92/0x2e0 [ 295.222310][ C0] ? mutex_spin_on_owner+0x17c/0x330 [ 295.227612][ C0] schedule+0x14b/0x320 [ 295.231773][ C0] schedule_preempt_disabled+0x13/0x30 [ 295.237255][ C0] __mutex_lock+0x391/0xd70 [ 295.241757][ C0] ? __mutex_unlock_slowpath+0x21d/0x750 [ 295.247632][ C0] ? _raw_spin_unlock+0x28/0x50 [ 295.252502][ C0] ? reg_process_self_managed_hints+0xb9/0x1a0 [ 295.258693][ C0] ? __pfx___mutex_lock+0x10/0x10 [ 295.263728][ C0] reg_process_self_managed_hints+0xb9/0x1a0 [ 295.269734][ C0] wiphy_register+0x1ec1/0x2b30 [ 295.274625][ C0] ? lockdep_hardirqs_on+0x99/0x150 [ 295.279837][ C0] ? __pfx_wiphy_register+0x10/0x10 [ 295.285046][ C0] ? minstrel_ht_alloc+0x72b/0x860 [ 295.290160][ C0] ? ieee80211_init_rate_ctrl_alg+0x5a2/0x620 [ 295.296256][ C0] ieee80211_register_hw+0x30fb/0x3e10 [ 295.301726][ C0] ? ieee80211_register_hw+0x14f1/0x3e10 [ 295.307464][ C0] ? __pfx_ieee80211_register_hw+0x10/0x10 [ 295.313273][ C0] ? __asan_memset+0x23/0x50 [ 295.317881][ C0] ? __hrtimer_init+0x170/0x250 [ 295.322820][ C0] mac80211_hwsim_new_radio+0x2a9f/0x4a90 [ 295.328594][ C0] ? __pfx_mac80211_hwsim_new_radio+0x10/0x10 [ 295.334692][ C0] hwsim_new_radio_nl+0xece/0x2290 [ 295.339835][ C0] ? __pfx___nla_validate_parse+0x10/0x10 [ 295.345594][ C0] ? __pfx_hwsim_new_radio_nl+0x10/0x10 [ 295.351159][ C0] ? genl_family_rcv_msg_attrs_parse+0x1d1/0x290 [ 295.357518][ C0] genl_rcv_msg+0xb14/0xec0 [ 295.362023][ C0] ? mark_lock+0x9a/0x360 [ 295.366384][ C0] ? __pfx_genl_rcv_msg+0x10/0x10 [ 295.371426][ C0] ? __pfx_lock_acquire+0x10/0x10 [ 295.376470][ C0] ? __pfx_hwsim_new_radio_nl+0x10/0x10 [ 295.382013][ C0] ? __pfx___might_resched+0x10/0x10 [ 295.387325][ C0] netlink_rcv_skb+0x1e3/0x430 [ 295.392090][ C0] ? __pfx_genl_rcv_msg+0x10/0x10 [ 295.397138][ C0] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 295.402438][ C0] ? __netlink_deliver_tap+0x77e/0x7c0 [ 295.407919][ C0] genl_rcv+0x28/0x40 [ 295.411901][ C0] netlink_unicast+0x7f6/0x990 [ 295.416694][ C0] ? __pfx_netlink_unicast+0x10/0x10 [ 295.421981][ C0] ? __virt_addr_valid+0x183/0x530 [ 295.427107][ C0] ? __check_object_size+0x49c/0x900 [ 295.432390][ C0] ? bpf_lsm_netlink_send+0x9/0x10 [ 295.437532][ C0] netlink_sendmsg+0x8e4/0xcb0 [ 295.442305][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 295.447623][ C0] ? aa_sock_msg_perm+0x91/0x160 [ 295.452559][ C0] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 295.457857][ C0] ? security_socket_sendmsg+0x87/0xb0 [ 295.463308][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 295.468603][ C0] __sock_sendmsg+0x221/0x270 [ 295.473283][ C0] __sys_sendto+0x3a4/0x4f0 [ 295.477810][ C0] ? __pfx___sys_sendto+0x10/0x10 [ 295.482860][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 295.488857][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 295.495209][ C0] __x64_sys_sendto+0xde/0x100 [ 295.499975][ C0] do_syscall_64+0xf3/0x230 [ 295.504470][ C0] ? clear_bhb_loop+0x35/0x90 [ 295.509169][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 295.515079][ C0] RIP: 0033:0x7f8119db793c [ 295.519491][ C0] RSP: 002b:00007fffc3041a80 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 295.527920][ C0] RAX: ffffffffffffffda RBX: 00007f8119e3e320 RCX: 00007f8119db793c [ 295.535902][ C0] RDX: 0000000000000024 RSI: 00007f8119e3e370 RDI: 0000000000000003 [ 295.543870][ C0] RBP: 0000000000000000 R08: 00007fffc3041ad4 R09: 000000000000000c [ 295.551859][ C0] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 295.559948][ C0] R13: 0000000000000000 R14: 00007f8119e3e370 R15: 0000000000000000 [ 295.568125][ C0] [ 295.571199][ C0] DEBUG: waiting rtnl_mutex for 1095 jiffies. [ 295.577384][ C0] task:syz-executor243 state:D stack:19280 pid:5246 tgid:5246 ppid:5242 flags:0x00004002 [ 295.587721][ C0] Call Trace: [ 295.591057][ C0] [ 295.594050][ C0] __schedule+0x1800/0x4a60 [ 295.598773][ C0] ? __pfx___schedule+0x10/0x10 [ 295.603699][ C0] ? __pfx_lock_release+0x10/0x10 [ 295.608873][ C0] ? __mutex_trylock_common+0x92/0x2e0 [ 295.614450][ C0] ? schedule+0x90/0x320 [ 295.618844][ C0] schedule+0x14b/0x320 [ 295.623076][ C0] schedule_preempt_disabled+0x13/0x30 [ 295.628697][ C0] __mutex_lock+0x6a4/0xd70 [ 295.633269][ C0] ? __mutex_lock+0x527/0xd70 [ 295.638099][ C0] ? rtnetlink_rcv_msg+0x6eb/0xd00 [ 295.643285][ C0] ? __pfx___mutex_lock+0x10/0x10 [ 295.648496][ C0] ? get_rtnl_holder+0x144/0x190 [ 295.653512][ C0] rtnetlink_rcv_msg+0x6eb/0xd00 [ 295.658614][ C0] ? rtnetlink_rcv_msg+0x1a7/0xd00 [ 295.663806][ C0] ? rcu_preempt_deferred_qs_irqrestore+0x87b/0xc70 [ 295.670579][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 295.676271][ C0] netlink_rcv_skb+0x1e3/0x430 [ 295.681109][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 295.686790][ C0] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 295.692199][ C0] ? __rcu_read_unlock+0xa1/0x110 [ 295.697430][ C0] netlink_unicast+0x7f6/0x990 [ 295.702281][ C0] ? __pfx_netlink_unicast+0x10/0x10 [ 295.707721][ C0] ? __virt_addr_valid+0x183/0x530 [ 295.712899][ C0] ? __check_object_size+0x49c/0x900 [ 295.718345][ C0] ? bpf_lsm_netlink_send+0x9/0x10 [ 295.723584][ C0] netlink_sendmsg+0x8e4/0xcb0 [ 295.728561][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 295.733913][ C0] ? aa_sock_msg_perm+0x91/0x160 [ 295.738998][ C0] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 295.744346][ C0] ? security_socket_sendmsg+0x87/0xb0 [ 295.749962][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 295.755390][ C0] __sock_sendmsg+0x221/0x270 [ 295.760142][ C0] __sys_sendto+0x3a4/0x4f0 [ 295.764798][ C0] ? __pfx___sys_sendto+0x10/0x10 [ 295.769925][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 295.776451][ C0] __x64_sys_sendto+0xde/0x100 [ 295.781281][ C0] do_syscall_64+0xf3/0x230 [ 295.785940][ C0] ? clear_bhb_loop+0x35/0x90 [ 295.790695][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 295.796721][ C0] RIP: 0033:0x7f8119db793c [ 295.801187][ C0] RSP: 002b:00007fffc3041a80 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 295.809782][ C0] RAX: ffffffffffffffda RBX: 00007f8119e3e320 RCX: 00007f8119db793c [ 295.817910][ C0] RDX: 0000000000000020 RSI: 00007f8119e3e370 RDI: 0000000000000004 [ 295.826012][ C0] RBP: 0000000000000000 R08: 00007fffc3041ad4 R09: 000000000000000c [ 295.834059][ C0] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 295.842168][ C0] R13: 00007fffc3041c80 R14: 00007f8119e3e370 R15: 0000000000000000 [ 295.850259][ C0] [ 295.853317][ C0] DEBUG: waiting rtnl_mutex for 1120 jiffies. [ 295.859551][ C0] task:kworker/u8:6 state:D stack:23472 pid:2571 tgid:2571 ppid:2 flags:0x00004000 [ 295.869912][ C0] Workqueue: ipv6_addrconf addrconf_dad_work [ 295.876055][ C0] Call Trace: [ 295.879385][ C0] [ 295.882372][ C0] __schedule+0x1800/0x4a60 [ 295.887126][ C0] ? __pfx___schedule+0x10/0x10 [ 295.892057][ C0] ? __pfx_lock_release+0x10/0x10 [ 295.897225][ C0] ? __mutex_trylock_common+0x92/0x2e0 [ 295.902749][ C0] ? kthread_data+0x52/0xd0 [ 295.907392][ C0] ? schedule+0x90/0x320 [ 295.911702][ C0] ? wq_worker_sleeping+0x66/0x240 [ 295.916970][ C0] ? schedule+0x90/0x320 [ 295.921285][ C0] schedule+0x14b/0x320 [ 295.925621][ C0] schedule_preempt_disabled+0x13/0x30 [ 295.931153][ C0] __mutex_lock+0x6a4/0xd70 [ 295.935799][ C0] ? mark_lock+0x9a/0x360 [ 295.940283][ C0] ? __mutex_lock+0x527/0xd70 [ 295.945101][ C0] ? addrconf_dad_work+0xd0/0x16f0 [ 295.950282][ C0] ? __pfx___mutex_lock+0x10/0x10 [ 295.955501][ C0] ? get_rtnl_holder+0x144/0x190 [ 295.960540][ C0] addrconf_dad_work+0xd0/0x16f0 [ 295.965647][ C0] ? preempt_schedule+0xe1/0xf0 [ 295.970584][ C0] ? __pfx_preempt_schedule+0x10/0x10 [ 295.976094][ C0] ? __pfx_addrconf_dad_work+0x10/0x10 [ 295.981646][ C0] ? preempt_schedule_thunk+0x1a/0x30 [ 295.987182][ C0] ? process_scheduled_works+0x945/0x1830 [ 295.992980][ C0] process_scheduled_works+0xa2c/0x1830 [ 295.998741][ C0] ? __pfx_process_scheduled_works+0x10/0x10 [ 296.004912][ C0] ? assign_work+0x364/0x3d0 [ 296.009568][ C0] worker_thread+0x86d/0xd40 [ 296.014254][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 296.020296][ C0] ? __kthread_parkme+0x169/0x1d0 [ 296.025481][ C0] ? __pfx_worker_thread+0x10/0x10 [ 296.030750][ C0] kthread+0x2f0/0x390 [ 296.034948][ C0] ? __pfx_worker_thread+0x10/0x10 [ 296.040122][ C0] ? __pfx_kthread+0x10/0x10 [ 296.044833][ C0] ret_from_fork+0x4b/0x80 [ 296.049312][ C0] ? __pfx_kthread+0x10/0x10 [ 296.053967][ C0] ret_from_fork_asm+0x1a/0x30 [ 296.058892][ C0] [ 296.061972][ C0] DEBUG: waiting rtnl_mutex for 1136 jiffies. [ 296.068142][ C0] task:syz-executor243 state:D stack:20408 pid:5247 tgid:5247 ppid:5239 flags:0x00000002 [ 296.078430][ C0] Call Trace: [ 296.081848][ C0] [ 296.085008][ C0] __schedule+0x1800/0x4a60 [ 296.089653][ C0] ? __pfx___schedule+0x10/0x10 [ 296.094670][ C0] ? __pfx_lock_release+0x10/0x10 [ 296.099769][ C0] ? __mutex_trylock_common+0x92/0x2e0 [ 296.105394][ C0] ? schedule+0x90/0x320 [ 296.109708][ C0] schedule+0x14b/0x320 [ 296.113934][ C0] schedule_preempt_disabled+0x13/0x30 [ 296.119572][ C0] __mutex_lock+0x6a4/0xd70 [ 296.124145][ C0] ? __mutex_lock+0x527/0xd70 [ 296.128947][ C0] ? rtnetlink_rcv_msg+0x6eb/0xd00 [ 296.134143][ C0] ? __pfx___mutex_lock+0x10/0x10 [ 296.139338][ C0] ? get_rtnl_holder+0x144/0x190 [ 296.144408][ C0] rtnetlink_rcv_msg+0x6eb/0xd00 [ 296.149760][ C0] ? rtnetlink_rcv_msg+0x1a7/0xd00 [ 296.155073][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 296.160637][ C0] ? ref_tracker_free+0x643/0x7e0 [ 296.165868][ C0] netlink_rcv_skb+0x1e3/0x430 [ 296.170723][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 296.176345][ C0] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 296.181760][ C0] ? netlink_deliver_tap+0x2e/0x1b0 [ 296.187092][ C0] netlink_unicast+0x7f6/0x990 [ 296.191953][ C0] ? __pfx_netlink_unicast+0x10/0x10 [ 296.197392][ C0] ? __virt_addr_valid+0x183/0x530 [ 296.202565][ C0] ? __check_object_size+0x49c/0x900 [ 296.207979][ C0] ? bpf_lsm_netlink_send+0x9/0x10 [ 296.213156][ C0] netlink_sendmsg+0x8e4/0xcb0 [ 296.218082][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 296.223451][ C0] ? aa_sock_msg_perm+0x91/0x160 [ 296.228657][ C0] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 296.234016][ C0] ? security_socket_sendmsg+0x87/0xb0 [ 296.239602][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 296.245045][ C0] __sock_sendmsg+0x221/0x270 [ 296.249817][ C0] __sys_sendto+0x3a4/0x4f0 [ 296.254378][ C0] ? __pfx___sys_sendto+0x10/0x10 [ 296.259579][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 296.265724][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 296.272137][ C0] __x64_sys_sendto+0xde/0x100 [ 296.277074][ C0] do_syscall_64+0xf3/0x230 [ 296.281637][ C0] ? clear_bhb_loop+0x35/0x90 [ 296.286439][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 296.292394][ C0] RIP: 0033:0x7f8119db793c [ 296.296925][ C0] RSP: 002b:00007fffc3041a80 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 296.305483][ C0] RAX: ffffffffffffffda RBX: 00007f8119e3e320 RCX: 00007f8119db793c [ 296.313501][ C0] RDX: 0000000000000020 RSI: 00007f8119e3e370 RDI: 0000000000000004 [ 296.321585][ C0] RBP: 0000000000000000 R08: 00007fffc3041ad4 R09: 000000000000000c [ 296.329669][ C0] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 296.337752][ C0] R13: 00007fffc3041c80 R14: 00007f8119e3e370 R15: 0000000000000000 [ 296.345880][ C0] [ 296.348946][ C0] [ 296.348946][ C0] Showing all locks held in the system: [ 296.356781][ C0] 4 locks held by kworker/u8:0/11: [ 296.361952][ C0] 3 locks held by kworker/u8:1/12: [ 296.367176][ C0] 3 locks held by kworker/u8:2/35: [ 296.372465][ C0] 3 locks held by kworker/u8:3/52: [ 296.377777][ C0] 3 locks held by kworker/u8:6/2571: [ 296.383106][ C0] #0: ffff88802af4c948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 296.394965][ C0] #1: ffffc900096b7d00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 296.408068][ C0] #2: ffffffff8fc81d48 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xd0/0x16f0 [ 296.417791][ C0] 3 locks held by kworker/u8:7/2918: [ 296.423135][ C0] 3 locks held by kworker/u8:8/2958: [ 296.428546][ C0] 1 lock held by udevd/4679: [ 296.433191][ C0] 2 locks held by getty/4976: [ 296.437990][ C0] #0: ffff88802b6970a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 296.448033][ C0] #1: ffffc90002f062f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 [ 296.458400][ C0] 1 lock held by syz-executor243/5247: [ 296.463939][ C0] #0: ffffffff8fc81d48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6eb/0xd00 [ 296.473525][ C0] 1 lock held by syz-executor243/5246: [ 296.479112][ C0] #0: ffffffff8fc81d48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6eb/0xd00 [ 296.488828][ C0] 4 locks held by syz-executor243/5248: [ 296.494431][ C0] 3 locks held by kworker/1:5/5291: [ 296.499771][ C0] #0: ffff888015880948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 296.511054][ C0] #1: ffffc900038bfd00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 296.522301][ C0] #2: ffffffff8fc81d48 (rtnl_mutex){+.+.}-{3:3}, at: linkwatch_event+0xe/0x60 [ 296.531565][ C0] 2 locks held by kworker/0:7/5330: [ 296.536904][ C0] 2 locks held by syz-executor243/5334: [ 296.542523][ C0] #0: ffffc90000007c00 (net/core/rtnetlink.c:83){+.-.}-{0:0}, at: call_timer_fn+0xc0/0x650 [ 296.552931][ C0] #1: ffffffff8e937a60 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 [ 296.563075][ C0] [ 296.565564][ C0] ============================================= [ 296.565564][ C0] [ 297.634625][ C0] DEBUG: waiting rtnl_mutex for 1303 jiffies. [ 297.640737][ C0] task:kworker/1:5 state:D stack:23344 pid:5291 tgid:5291 ppid:2 flags:0x00004000 [ 297.650920][ C0] Workqueue: events linkwatch_event [ 297.656141][ C0] Call Trace: [ 297.659411][ C0] [ 297.662355][ C0] __schedule+0x1800/0x4a60 [ 297.666901][ C0] ? __pfx___schedule+0x10/0x10 [ 297.671753][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 297.677756][ C0] ? __pfx_lock_release+0x10/0x10 [ 297.682783][ C0] ? kick_pool+0x1bd/0x620 [ 297.687227][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 297.692454][ C0] ? lockdep_hardirqs_on+0x99/0x150 [ 297.697760][ C0] ? schedule+0x90/0x320 [ 297.702008][ C0] schedule+0x14b/0x320 [ 297.706187][ C0] schedule_preempt_disabled+0x13/0x30 [ 297.711644][ C0] __mutex_lock+0x6a4/0xd70 [ 297.716163][ C0] ? __mutex_lock+0x527/0xd70 [ 297.720835][ C0] ? linkwatch_event+0xe/0x60 [ 297.725528][ C0] ? __pfx___mutex_lock+0x10/0x10 [ 297.730553][ C0] ? get_rtnl_holder+0x144/0x190 [ 297.735501][ C0] ? process_scheduled_works+0x945/0x1830 [ 297.741216][ C0] linkwatch_event+0xe/0x60 [ 297.745750][ C0] process_scheduled_works+0xa2c/0x1830 [ 297.751331][ C0] ? __pfx_process_scheduled_works+0x10/0x10 [ 297.757333][ C0] ? assign_work+0x364/0x3d0 [ 297.761925][ C0] worker_thread+0x86d/0xd40 [ 297.766537][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 297.772435][ C0] ? __kthread_parkme+0x169/0x1d0 [ 297.777483][ C0] ? __pfx_worker_thread+0x10/0x10 [ 297.782627][ C0] kthread+0x2f0/0x390 [ 297.786711][ C0] ? __pfx_worker_thread+0x10/0x10 [ 297.791825][ C0] ? __pfx_kthread+0x10/0x10 [ 297.796531][ C0] ret_from_fork+0x4b/0x80 [ 297.800950][ C0] ? __pfx_kthread+0x10/0x10 [ 297.805573][ C0] ret_from_fork_asm+0x1a/0x30 [ 297.810370][ C0] [ 297.813382][ C0] DEBUG: holding rtnl_mutex for 1320 jiffies. [ 297.819456][ C0] task:syz-executor243 state:R running task stack:19920 pid:5248 tgid:5248 ppid:5241 flags:0x00004002 [ 297.831204][ C0] Call Trace: [ 297.834475][ C0] [ 297.837421][ C0] __schedule+0x1800/0x4a60 [ 297.841945][ C0] ? __pfx___schedule+0x10/0x10 [ 297.846819][ C0] ? __mutex_trylock_common+0x92/0x2e0 [ 297.852275][ C0] ? mutex_spin_on_owner+0x17c/0x330 [ 297.857572][ C0] schedule+0x14b/0x320 [ 297.861729][ C0] schedule_preempt_disabled+0x13/0x30 [ 297.867209][ C0] __mutex_lock+0x391/0xd70 [ 297.871713][ C0] ? __mutex_unlock_slowpath+0x21d/0x750 [ 297.877356][ C0] ? _raw_spin_unlock+0x28/0x50 [ 297.882205][ C0] ? reg_process_self_managed_hints+0xb9/0x1a0 [ 297.888376][ C0] ? __pfx___mutex_lock+0x10/0x10 [ 297.893402][ C0] reg_process_self_managed_hints+0xb9/0x1a0 [ 297.899410][ C0] wiphy_register+0x1ec1/0x2b30 [ 297.904264][ C0] ? lockdep_hardirqs_on+0x99/0x150 [ 297.909515][ C0] ? __pfx_wiphy_register+0x10/0x10 [ 297.914730][ C0] ? minstrel_ht_alloc+0x72b/0x860 [ 297.919845][ C0] ? ieee80211_init_rate_ctrl_alg+0x5a2/0x620 [ 297.926029][ C0] ieee80211_register_hw+0x30fb/0x3e10 [ 297.931519][ C0] ? ieee80211_register_hw+0x14f1/0x3e10 [ 297.937187][ C0] ? __pfx_ieee80211_register_hw+0x10/0x10 [ 297.943038][ C0] ? __asan_memset+0x23/0x50 [ 297.947782][ C0] ? __hrtimer_init+0x170/0x250 [ 297.952700][ C0] mac80211_hwsim_new_radio+0x2a9f/0x4a90 [ 297.958658][ C0] ? __pfx_mac80211_hwsim_new_radio+0x10/0x10 [ 297.964924][ C0] hwsim_new_radio_nl+0xece/0x2290 [ 297.970135][ C0] ? __pfx___nla_validate_parse+0x10/0x10 [ 297.975996][ C0] ? __pfx_hwsim_new_radio_nl+0x10/0x10 [ 297.981679][ C0] ? genl_family_rcv_msg_attrs_parse+0x1d1/0x290 [ 297.988218][ C0] genl_rcv_msg+0xb14/0xec0 [ 297.992788][ C0] ? mark_lock+0x9a/0x360 [ 297.997291][ C0] ? __pfx_genl_rcv_msg+0x10/0x10 [ 298.002463][ C0] ? __pfx_lock_acquire+0x10/0x10 [ 298.007644][ C0] ? __pfx_hwsim_new_radio_nl+0x10/0x10 [ 298.013272][ C0] ? __pfx___might_resched+0x10/0x10 [ 298.018759][ C0] netlink_rcv_skb+0x1e3/0x430 [ 298.023587][ C0] ? __pfx_genl_rcv_msg+0x10/0x10 [ 298.028755][ C0] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 298.034115][ C0] ? __netlink_deliver_tap+0x77e/0x7c0 [ 298.039762][ C0] genl_rcv+0x28/0x40 [ 298.043818][ C0] netlink_unicast+0x7f6/0x990 [ 298.048778][ C0] ? __pfx_netlink_unicast+0x10/0x10 [ 298.054133][ C0] ? __virt_addr_valid+0x183/0x530 [ 298.059395][ C0] ? __check_object_size+0x49c/0x900 [ 298.064812][ C0] ? bpf_lsm_netlink_send+0x9/0x10 [ 298.069994][ C0] netlink_sendmsg+0x8e4/0xcb0 [ 298.074928][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 298.080276][ C0] ? aa_sock_msg_perm+0x91/0x160 [ 298.085356][ C0] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 298.090694][ C0] ? security_socket_sendmsg+0x87/0xb0 [ 298.096274][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 298.101619][ C0] __sock_sendmsg+0x221/0x270 [ 298.106458][ C0] __sys_sendto+0x3a4/0x4f0 [ 298.111036][ C0] ? __pfx___sys_sendto+0x10/0x10 [ 298.116256][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 298.122309][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 298.128849][ C0] __x64_sys_sendto+0xde/0x100 [ 298.133690][ C0] do_syscall_64+0xf3/0x230 [ 298.138371][ C0] ? clear_bhb_loop+0x35/0x90 [ 298.143127][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 298.149166][ C0] RIP: 0033:0x7f8119db793c [ 298.153647][ C0] RSP: 002b:00007fffc3041a80 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 298.162228][ C0] RAX: ffffffffffffffda RBX: 00007f8119e3e320 RCX: 00007f8119db793c [ 298.170373][ C0] RDX: 0000000000000024 RSI: 00007f8119e3e370 RDI: 0000000000000003 [ 298.178493][ C0] RBP: 0000000000000000 R08: 00007fffc3041ad4 R09: 000000000000000c [ 298.186694][ C0] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 298.194781][ C0] R13: 0000000000000000 R14: 00007f8119e3e370 R15: 0000000000000000 [ 298.202836][ C0] [ 298.205981][ C0] DEBUG: waiting rtnl_mutex for 1359 jiffies. [ 298.212108][ C0] task:syz-executor243 state:D stack:19280 pid:5246 tgid:5246 ppid:5242 flags:0x00004002 [ 298.222479][ C0] Call Trace: [ 298.225895][ C0] [ 298.228879][ C0] __schedule+0x1800/0x4a60 [ 298.233518][ C0] ? __pfx___schedule+0x10/0x10 [ 298.238522][ C0] ? __pfx_lock_release+0x10/0x10 [ 298.243616][ C0] ? __mutex_trylock_common+0x92/0x2e0 [ 298.249232][ C0] ? schedule+0x90/0x320 [ 298.253539][ C0] schedule+0x14b/0x320 [ 298.257852][ C0] schedule_preempt_disabled+0x13/0x30 [ 298.263401][ C0] __mutex_lock+0x6a4/0xd70 [ 298.268039][ C0] ? __mutex_lock+0x527/0xd70 [ 298.272782][ C0] ? rtnetlink_rcv_msg+0x6eb/0xd00 [ 298.278040][ C0] ? __pfx___mutex_lock+0x10/0x10 [ 298.283160][ C0] ? get_rtnl_holder+0x144/0x190 [ 298.288233][ C0] rtnetlink_rcv_msg+0x6eb/0xd00 [ 298.293253][ C0] ? rtnetlink_rcv_msg+0x1a7/0xd00 [ 298.298494][ C0] ? rcu_preempt_deferred_qs_irqrestore+0x87b/0xc70 [ 298.305226][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 298.310812][ C0] netlink_rcv_skb+0x1e3/0x430 [ 298.315748][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 298.321304][ C0] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 298.326806][ C0] ? __rcu_read_unlock+0xa1/0x110 [ 298.331909][ C0] netlink_unicast+0x7f6/0x990 [ 298.336950][ C0] ? __pfx_netlink_unicast+0x10/0x10 [ 298.342403][ C0] ? __virt_addr_valid+0x183/0x530 [ 298.347651][ C0] ? __check_object_size+0x49c/0x900 [ 298.353002][ C0] ? bpf_lsm_netlink_send+0x9/0x10 [ 298.358269][ C0] netlink_sendmsg+0x8e4/0xcb0 [ 298.363147][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 298.368593][ C0] ? aa_sock_msg_perm+0x91/0x160 [ 298.373598][ C0] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 298.379040][ C0] ? security_socket_sendmsg+0x87/0xb0 [ 298.384635][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 298.389985][ C0] __sock_sendmsg+0x221/0x270 [ 298.394860][ C0] __sys_sendto+0x3a4/0x4f0 [ 298.399461][ C0] ? __pfx___sys_sendto+0x10/0x10 [ 298.404591][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 298.411076][ C0] __x64_sys_sendto+0xde/0x100 [ 298.416028][ C0] do_syscall_64+0xf3/0x230 [ 298.420615][ C0] ? clear_bhb_loop+0x35/0x90 [ 298.425446][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 298.431407][ C0] RIP: 0033:0x7f8119db793c [ 298.435958][ C0] RSP: 002b:00007fffc3041a80 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 298.444450][ C0] RAX: ffffffffffffffda RBX: 00007f8119e3e320 RCX: 00007f8119db793c [ 298.452561][ C0] RDX: 0000000000000020 RSI: 00007f8119e3e370 RDI: 0000000000000004 [ 298.460670][ C0] RBP: 0000000000000000 R08: 00007fffc3041ad4 R09: 000000000000000c [ 298.468770][ C0] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 298.476864][ C0] R13: 00007fffc3041c80 R14: 00007f8119e3e370 R15: 0000000000000000 [ 298.485034][ C0] [ 298.488113][ C0] DEBUG: waiting rtnl_mutex for 1384 jiffies. [ 298.494233][ C0] task:kworker/u8:6 state:D stack:23472 pid:2571 tgid:2571 ppid:2 flags:0x00004000 [ 298.504571][ C0] Workqueue: ipv6_addrconf addrconf_dad_work [ 298.510674][ C0] Call Trace: [ 298.514031][ C0] [ 298.517113][ C0] __schedule+0x1800/0x4a60 [ 298.521767][ C0] ? __pfx___schedule+0x10/0x10 [ 298.526773][ C0] ? __pfx_lock_release+0x10/0x10 [ 298.531868][ C0] ? __mutex_trylock_common+0x92/0x2e0 [ 298.537473][ C0] ? kthread_data+0x52/0xd0 [ 298.542050][ C0] ? schedule+0x90/0x320 [ 298.546447][ C0] ? wq_worker_sleeping+0x66/0x240 [ 298.551633][ C0] ? schedule+0x90/0x320 [ 298.556037][ C0] schedule+0x14b/0x320 [ 298.560285][ C0] schedule_preempt_disabled+0x13/0x30 [ 298.565866][ C0] __mutex_lock+0x6a4/0xd70 [ 298.570404][ C0] ? mark_lock+0x9a/0x360 [ 298.574916][ C0] ? __mutex_lock+0x527/0xd70 [ 298.579648][ C0] ? addrconf_dad_work+0xd0/0x16f0 [ 298.584902][ C0] ? __pfx___mutex_lock+0x10/0x10 [ 298.590025][ C0] ? get_rtnl_holder+0x144/0x190 [ 298.595101][ C0] addrconf_dad_work+0xd0/0x16f0 [ 298.600141][ C0] ? preempt_schedule+0xe1/0xf0 [ 298.605125][ C0] ? __pfx_preempt_schedule+0x10/0x10 [ 298.610564][ C0] ? __pfx_addrconf_dad_work+0x10/0x10 [ 298.616206][ C0] ? preempt_schedule_thunk+0x1a/0x30 [ 298.621648][ C0] ? process_scheduled_works+0x945/0x1830 [ 298.627508][ C0] process_scheduled_works+0xa2c/0x1830 [ 298.633215][ C0] ? __pfx_process_scheduled_works+0x10/0x10 [ 298.639384][ C0] ? assign_work+0x364/0x3d0 [ 298.644067][ C0] worker_thread+0x86d/0xd40 [ 298.648840][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 298.654907][ C0] ? __kthread_parkme+0x169/0x1d0 [ 298.659994][ C0] ? __pfx_worker_thread+0x10/0x10 [ 298.665261][ C0] kthread+0x2f0/0x390 [ 298.669390][ C0] ? __pfx_worker_thread+0x10/0x10 [ 298.674601][ C0] ? __pfx_kthread+0x10/0x10 [ 298.679257][ C0] ret_from_fork+0x4b/0x80 [ 298.683746][ C0] ? __pfx_kthread+0x10/0x10 [ 298.688472][ C0] ret_from_fork_asm+0x1a/0x30 [ 298.693338][ C0] [ 298.696472][ C0] DEBUG: waiting rtnl_mutex for 1400 jiffies. [ 298.702597][ C0] task:syz-executor243 state:D stack:20408 pid:5247 tgid:5247 ppid:5239 flags:0x00000002 [ 298.712938][ C0] Call Trace: [ 298.716303][ C0] [ 298.719287][ C0] __schedule+0x1800/0x4a60 [ 298.723922][ C0] ? __pfx___schedule+0x10/0x10 [ 298.728923][ C0] ? __pfx_lock_release+0x10/0x10 [ 298.734020][ C0] ? __mutex_trylock_common+0x92/0x2e0 [ 298.739609][ C0] ? schedule+0x90/0x320 [ 298.743918][ C0] schedule+0x14b/0x320 [ 298.748235][ C0] schedule_preempt_disabled+0x13/0x30 [ 298.753758][ C0] __mutex_lock+0x6a4/0xd70 [ 298.758402][ C0] ? __mutex_lock+0x527/0xd70 [ 298.763142][ C0] ? rtnetlink_rcv_msg+0x6eb/0xd00 [ 298.768391][ C0] ? __pfx___mutex_lock+0x10/0x10 [ 298.773502][ C0] ? get_rtnl_holder+0x144/0x190 [ 298.778557][ C0] rtnetlink_rcv_msg+0x6eb/0xd00 [ 298.783564][ C0] ? rtnetlink_rcv_msg+0x1a7/0xd00 [ 298.788867][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 298.794436][ C0] ? ref_tracker_free+0x643/0x7e0 [ 298.799600][ C0] netlink_rcv_skb+0x1e3/0x430 [ 298.804417][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 298.810012][ C0] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 298.815483][ C0] ? netlink_deliver_tap+0x2e/0x1b0 [ 298.820748][ C0] netlink_unicast+0x7f6/0x990 [ 298.825663][ C0] ? __pfx_netlink_unicast+0x10/0x10 [ 298.831032][ C0] ? __virt_addr_valid+0x183/0x530 [ 298.836264][ C0] ? __check_object_size+0x49c/0x900 [ 298.841615][ C0] ? bpf_lsm_netlink_send+0x9/0x10 [ 298.846866][ C0] netlink_sendmsg+0x8e4/0xcb0 [ 298.851727][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 298.857142][ C0] ? aa_sock_msg_perm+0x91/0x160 [ 298.862138][ C0] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 298.867579][ C0] ? security_socket_sendmsg+0x87/0xb0 [ 298.873105][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 298.878516][ C0] __sock_sendmsg+0x221/0x270 [ 298.883261][ C0] __sys_sendto+0x3a4/0x4f0 [ 298.887944][ C0] ? __pfx___sys_sendto+0x10/0x10 [ 298.893108][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 298.899235][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 298.905732][ C0] __x64_sys_sendto+0xde/0x100 [ 298.910657][ C0] do_syscall_64+0xf3/0x230 [ 298.915392][ C0] ? clear_bhb_loop+0x35/0x90 [ 298.920163][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 298.926218][ C0] RIP: 0033:0x7f8119db793c [ 298.930713][ C0] RSP: 002b:00007fffc3041a80 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 298.939327][ C0] RAX: ffffffffffffffda RBX: 00007f8119e3e320 RCX: 00007f8119db793c [ 298.947432][ C0] RDX: 0000000000000020 RSI: 00007f8119e3e370 RDI: 0000000000000004 [ 298.955520][ C0] RBP: 0000000000000000 R08: 00007fffc3041ad4 R09: 000000000000000c [ 298.963556][ C0] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 298.971665][ C0] R13: 00007fffc3041c80 R14: 00007f8119e3e370 R15: 0000000000000000 [ 298.979860][ C0] [ 298.982942][ C0] [ 298.982942][ C0] Showing all locks held in the system: [ 298.990786][ C0] 4 locks held by kworker/u8:0/11: [ 298.996079][ C0] 3 locks held by kworker/u8:1/12: [ 299.001253][ C0] 3 locks held by kworker/u8:2/35: [ 299.006524][ C0] 3 locks held by kworker/u8:3/52: [ 299.011865][ C0] 3 locks held by kworker/u8:6/2571: [ 299.017305][ C0] #0: ffff88802af4c948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 299.029170][ C0] #1: ffffc900096b7d00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 299.042276][ C0] #2: ffffffff8fc81d48 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xd0/0x16f0 [ 299.051986][ C0] 3 locks held by kworker/u8:7/2918: [ 299.057410][ C0] 3 locks held by kworker/u8:8/2958: [ 299.062744][ C0] 1 lock held by udevd/4679: [ 299.067455][ C0] 2 locks held by getty/4976: [ 299.072174][ C0] #0: ffff88802b6970a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 299.082315][ C0] #1: ffffc90002f062f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 [ 299.092740][ C0] 1 lock held by syz-executor243/5247: [ 299.098329][ C0] #0: ffffffff8fc81d48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6eb/0xd00 [ 299.108035][ C0] 1 lock held by syz-executor243/5246: [ 299.113592][ C0] #0: ffffffff8fc81d48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6eb/0xd00 [ 299.123301][ C0] 4 locks held by syz-executor243/5248: [ 299.129017][ C0] 3 locks held by kworker/1:5/5291: [ 299.134273][ C0] #0: ffff888015880948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 299.145529][ C0] #1: ffffc900038bfd00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 299.156908][ C0] #2: ffffffff8fc81d48 (rtnl_mutex){+.+.}-{3:3}, at: linkwatch_event+0xe/0x60 [ 299.166134][ C0] no locks held by syz-executor243/5327. [ 299.171837][ C0] 2 locks held by kworker/0:7/5330: [ 299.177156][ C0] 2 locks held by syz-executor243/5334: [ 299.182765][ C0] #0: ffffc90000007c00 (net/core/rtnetlink.c:83){+.-.}-{0:0}, at: call_timer_fn+0xc0/0x650 [ 299.193130][ C0] #1: ffffffff8e937a60 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 [ 299.203262][ C0] [ 299.205713][ C0] ============================================= [ 299.205713][ C0] [ 300.274668][ C0] DEBUG: waiting rtnl_mutex for 1567 jiffies. [ 300.280935][ C0] task:kworker/1:5 state:D stack:23344 pid:5291 tgid:5291 ppid:2 flags:0x00004000 [ 300.291339][ C0] Workqueue: events linkwatch_event [ 300.296734][ C0] Call Trace: [ 300.300101][ C0] [ 300.303148][ C0] __schedule+0x1800/0x4a60 [ 300.307929][ C0] ? __pfx___schedule+0x10/0x10 [ 300.312890][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 300.319035][ C0] ? __pfx_lock_release+0x10/0x10 [ 300.324211][ C0] ? kick_pool+0x1bd/0x620 [ 300.328780][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 300.334156][ C0] ? lockdep_hardirqs_on+0x99/0x150 [ 300.339522][ C0] ? schedule+0x90/0x320 [ 300.343871][ C0] schedule+0x14b/0x320 [ 300.348245][ C0] schedule_preempt_disabled+0x13/0x30 [ 300.353853][ C0] __mutex_lock+0x6a4/0xd70 [ 300.358553][ C0] ? __mutex_lock+0x527/0xd70 [ 300.363326][ C0] ? linkwatch_event+0xe/0x60 [ 300.368217][ C0] ? __pfx___mutex_lock+0x10/0x10 executing program [ 300.373374][ C0] ? get_rtnl_holder+0x144/0x190 [ 300.378482][ C0] ? process_scheduled_works+0x945/0x1830 [ 300.384339][ C0] linkwatch_event+0xe/0x60 [ 300.388968][ C0] process_scheduled_works+0xa2c/0x1830 [ 300.394685][ C0] ? __pfx_process_scheduled_works+0x10/0x10 [ 300.400773][ C0] ? assign_work+0x364/0x3d0 [ 300.405512][ C0] worker_thread+0x86d/0xd40 [ 300.410209][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 300.416245][ C0] ? __kthread_parkme+0x169/0x1d0 [ 300.421349][ C0] ? __pfx_worker_thread+0x10/0x10 [ 300.426611][ C0] kthread+0x2f0/0x390 [ 300.430743][ C0] ? __pfx_worker_thread+0x10/0x10 [ 300.436011][ C0] ? __pfx_kthread+0x10/0x10 [ 300.440660][ C0] ret_from_fork+0x4b/0x80 [ 300.445238][ C0] ? __pfx_kthread+0x10/0x10 [ 300.449886][ C0] ret_from_fork_asm+0x1a/0x30 [ 300.454896][ C0] [ 300.458014][ C0] DEBUG: holding rtnl_mutex for 1585 jiffies. [ 300.464132][ C0] task:syz-executor243 state:D stack:19920 pid:5248 tgid:5248 ppid:5241 flags:0x00004002 [ 300.474463][ C0] Call Trace: [ 300.477881][ C0] [ 300.480875][ C0] __schedule+0x1800/0x4a60 [ 300.485636][ C0] ? __pfx___schedule+0x10/0x10 [ 300.490560][ C0] ? __pfx_lock_release+0x10/0x10 [ 300.495757][ C0] ? __mutex_trylock_common+0x92/0x2e0 [ 300.501320][ C0] ? schedule+0x90/0x320 [ 300.505717][ C0] schedule+0x14b/0x320 [ 300.509951][ C0] schedule_preempt_disabled+0x13/0x30 [ 300.515559][ C0] __mutex_lock+0x6a4/0xd70 [ 300.520167][ C0] ? __mutex_lock+0x527/0xd70 [ 300.525003][ C0] ? reg_process_self_managed_hints+0xb9/0x1a0 [ 300.531231][ C0] ? __pfx___mutex_lock+0x10/0x10 [ 300.536465][ C0] reg_process_self_managed_hints+0xb9/0x1a0 [ 300.542521][ C0] wiphy_register+0x1ec1/0x2b30 [ 300.547508][ C0] ? lockdep_hardirqs_on+0x99/0x150 [ 300.552824][ C0] ? __pfx_wiphy_register+0x10/0x10 [ 300.558172][ C0] ? minstrel_ht_alloc+0x72b/0x860 [ 300.563392][ C0] ? ieee80211_init_rate_ctrl_alg+0x5a2/0x620 [ 300.569765][ C0] ieee80211_register_hw+0x30fb/0x3e10 [ 300.575425][ C0] ? ieee80211_register_hw+0x14f1/0x3e10 [ 300.581135][ C0] ? __pfx_ieee80211_register_hw+0x10/0x10 [ 300.587123][ C0] ? __asan_memset+0x23/0x50 [ 300.591779][ C0] ? __hrtimer_init+0x170/0x250 [ 300.596804][ C0] mac80211_hwsim_new_radio+0x2a9f/0x4a90 [ 300.602721][ C0] ? __pfx_mac80211_hwsim_new_radio+0x10/0x10 [ 300.609009][ C0] hwsim_new_radio_nl+0xece/0x2290 [ 300.614236][ C0] ? __pfx___nla_validate_parse+0x10/0x10 [ 300.620136][ C0] ? __pfx_hwsim_new_radio_nl+0x10/0x10 [ 300.625983][ C0] ? genl_family_rcv_msg_attrs_parse+0x1d1/0x290 [ 300.632392][ C0] genl_rcv_msg+0xb14/0xec0 [ 300.637048][ C0] ? mark_lock+0x9a/0x360 [ 300.641483][ C0] ? __pfx_genl_rcv_msg+0x10/0x10 [ 300.646762][ C0] ? __pfx_lock_acquire+0x10/0x10 [ 300.651859][ C0] ? __pfx_hwsim_new_radio_nl+0x10/0x10 [ 300.657578][ C0] ? __pfx___might_resched+0x10/0x10 [ 300.662962][ C0] netlink_rcv_skb+0x1e3/0x430 [ 300.667926][ C0] ? __pfx_genl_rcv_msg+0x10/0x10 [ 300.673028][ C0] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 300.678541][ C0] ? __netlink_deliver_tap+0x77e/0x7c0 [ 300.684156][ C0] genl_rcv+0x28/0x40 [ 300.688288][ C0] netlink_unicast+0x7f6/0x990 [ 300.693168][ C0] ? __pfx_netlink_unicast+0x10/0x10 [ 300.698611][ C0] ? __virt_addr_valid+0x183/0x530 [ 300.703790][ C0] ? __check_object_size+0x49c/0x900 [ 300.709276][ C0] ? bpf_lsm_netlink_send+0x9/0x10 [ 300.714463][ C0] netlink_sendmsg+0x8e4/0xcb0 [ 300.719376][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 300.724843][ C0] ? aa_sock_msg_perm+0x91/0x160 [ 300.729891][ C0] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 300.735303][ C0] ? security_socket_sendmsg+0x87/0xb0 [ 300.740829][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 300.746243][ C0] __sock_sendmsg+0x221/0x270 [ 300.751008][ C0] __sys_sendto+0x3a4/0x4f0 [ 300.755675][ C0] ? __pfx___sys_sendto+0x10/0x10 [ 300.760825][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 300.766956][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 300.773391][ C0] __x64_sys_sendto+0xde/0x100 [ 300.778314][ C0] do_syscall_64+0xf3/0x230 [ 300.782914][ C0] ? clear_bhb_loop+0x35/0x90 [ 300.787732][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 300.793700][ C0] RIP: 0033:0x7f8119db793c [ 300.798256][ C0] RSP: 002b:00007fffc3041a80 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 300.806880][ C0] RAX: ffffffffffffffda RBX: 00007f8119e3e320 RCX: 00007f8119db793c [ 300.815015][ C0] RDX: 0000000000000024 RSI: 00007f8119e3e370 RDI: 0000000000000003 [ 300.823050][ C0] RBP: 0000000000000000 R08: 00007fffc3041ad4 R09: 000000000000000c [ 300.831195][ C0] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 300.839322][ C0] R13: 0000000000000000 R14: 00007f8119e3e370 R15: 0000000000000000 [ 300.847484][ C0] [ 300.850572][ C0] DEBUG: waiting rtnl_mutex for 1623 jiffies. [ 300.856835][ C0] task:syz-executor243 state:D stack:19280 pid:5246 tgid:5246 ppid:5242 flags:0x00004002 [ 300.867188][ C0] Call Trace: [ 300.870531][ C0] [ 300.873535][ C0] __schedule+0x1800/0x4a60 [ 300.878317][ C0] ? __pfx___schedule+0x10/0x10 [ 300.883275][ C0] ? __pfx_lock_release+0x10/0x10 [ 300.888470][ C0] ? __mutex_trylock_common+0x92/0x2e0 [ 300.894005][ C0] ? schedule+0x90/0x320 [ 300.898426][ C0] schedule+0x14b/0x320 [ 300.902662][ C0] schedule_preempt_disabled+0x13/0x30 [ 300.908288][ C0] __mutex_lock+0x6a4/0xd70 [ 300.912869][ C0] ? __mutex_lock+0x527/0xd70 [ 300.917729][ C0] ? rtnetlink_rcv_msg+0x6eb/0xd00 [ 300.922922][ C0] ? __pfx___mutex_lock+0x10/0x10 [ 300.928171][ C0] ? get_rtnl_holder+0x144/0x190 [ 300.933188][ C0] rtnetlink_rcv_msg+0x6eb/0xd00 [ 300.938292][ C0] ? rtnetlink_rcv_msg+0x1a7/0xd00 [ 300.943486][ C0] ? rcu_preempt_deferred_qs_irqrestore+0x87b/0xc70 [ 300.950677][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 300.956363][ C0] netlink_rcv_skb+0x1e3/0x430 [ 300.961204][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 300.966881][ C0] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 300.972328][ C0] ? __rcu_read_unlock+0xa1/0x110 [ 300.977535][ C0] netlink_unicast+0x7f6/0x990 [ 300.982451][ C0] ? __pfx_netlink_unicast+0x10/0x10 [ 300.987922][ C0] ? __virt_addr_valid+0x183/0x530 [ 300.993124][ C0] ? __check_object_size+0x49c/0x900 [ 300.998548][ C0] ? bpf_lsm_netlink_send+0x9/0x10 [ 301.003738][ C0] netlink_sendmsg+0x8e4/0xcb0 [ 301.008730][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 301.014092][ C0] ? aa_sock_msg_perm+0x91/0x160 [ 301.019164][ C0] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 301.024635][ C0] ? security_socket_sendmsg+0x87/0xb0 [ 301.030168][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 301.035627][ C0] __sock_sendmsg+0x221/0x270 [ 301.040380][ C0] __sys_sendto+0x3a4/0x4f0 [ 301.045056][ C0] ? __pfx___sys_sendto+0x10/0x10 [ 301.050518][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 301.057074][ C0] __x64_sys_sendto+0xde/0x100 [ 301.061918][ C0] do_syscall_64+0xf3/0x230 [ 301.066552][ C0] ? clear_bhb_loop+0x35/0x90 [ 301.071306][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 301.077384][ C0] RIP: 0033:0x7f8119db793c [ 301.081890][ C0] RSP: 002b:00007fffc3041a80 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 301.090466][ C0] RAX: ffffffffffffffda RBX: 00007f8119e3e320 RCX: 00007f8119db793c [ 301.098634][ C0] RDX: 0000000000000020 RSI: 00007f8119e3e370 RDI: 0000000000000004 [ 301.106762][ C0] RBP: 0000000000000000 R08: 00007fffc3041ad4 R09: 000000000000000c [ 301.114872][ C0] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 301.122978][ C0] R13: 00007fffc3041c80 R14: 00007f8119e3e370 R15: 0000000000000000 [ 301.131157][ C0] [ 301.134236][ C0] DEBUG: waiting rtnl_mutex for 1648 jiffies. [ 301.140456][ C0] task:kworker/u8:6 state:D stack:23472 pid:2571 tgid:2571 ppid:2 flags:0x00004000 [ 301.150976][ C0] Workqueue: ipv6_addrconf addrconf_dad_work [ 301.157177][ C0] Call Trace: [ 301.160538][ C0] [ 301.163552][ C0] __schedule+0x1800/0x4a60 [ 301.168302][ C0] ? __pfx___schedule+0x10/0x10 [ 301.173235][ C0] ? __pfx_lock_release+0x10/0x10 [ 301.178478][ C0] ? __mutex_trylock_common+0x92/0x2e0 [ 301.184005][ C0] ? kthread_data+0x52/0xd0 [ 301.188638][ C0] ? schedule+0x90/0x320 [ 301.192948][ C0] ? wq_worker_sleeping+0x66/0x240 [ 301.198255][ C0] ? schedule+0x90/0x320 [ 301.202576][ C0] schedule+0x14b/0x320 [ 301.206961][ C0] schedule_preempt_disabled+0x13/0x30 [ 301.212495][ C0] __mutex_lock+0x6a4/0xd70 [ 301.217162][ C0] ? mark_lock+0x9a/0x360 [ 301.221566][ C0] ? __mutex_lock+0x527/0xd70 [ 301.226398][ C0] ? addrconf_dad_work+0xd0/0x16f0 [ 301.231706][ C0] ? __pfx___mutex_lock+0x10/0x10 [ 301.236959][ C0] ? get_rtnl_holder+0x144/0x190 [ 301.241976][ C0] addrconf_dad_work+0xd0/0x16f0 [ 301.247149][ C0] ? preempt_schedule+0xe1/0xf0 [ 301.252094][ C0] ? __pfx_preempt_schedule+0x10/0x10 [ 301.257656][ C0] ? __pfx_addrconf_dad_work+0x10/0x10 [ 301.263220][ C0] ? preempt_schedule_thunk+0x1a/0x30 [ 301.268778][ C0] ? process_scheduled_works+0x945/0x1830 [ 301.274685][ C0] process_scheduled_works+0xa2c/0x1830 [ 301.280400][ C0] ? __pfx_process_scheduled_works+0x10/0x10 [ 301.286559][ C0] ? assign_work+0x364/0x3d0 [ 301.291265][ C0] worker_thread+0x86d/0xd40 [ 301.296053][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 301.302036][ C0] ? __kthread_parkme+0x169/0x1d0 [ 301.307220][ C0] ? __pfx_worker_thread+0x10/0x10 [ 301.312410][ C0] kthread+0x2f0/0x390 [ 301.316602][ C0] ? __pfx_worker_thread+0x10/0x10 [ 301.321786][ C0] ? __pfx_kthread+0x10/0x10 [ 301.326553][ C0] ret_from_fork+0x4b/0x80 [ 301.331042][ C0] ? __pfx_kthread+0x10/0x10 [ 301.335786][ C0] ret_from_fork_asm+0x1a/0x30 [ 301.340666][ C0] [ 301.343765][ C0] DEBUG: waiting rtnl_mutex for 1664 jiffies. [ 301.349972][ C0] task:syz-executor243 state:D stack:20408 pid:5247 tgid:5247 ppid:5239 flags:0x00000002 [ 301.360345][ C0] Call Trace: [ 301.363702][ C0] [ 301.366796][ C0] __schedule+0x1800/0x4a60 [ 301.371450][ C0] ? __pfx___schedule+0x10/0x10 [ 301.376437][ C0] ? __pfx_lock_release+0x10/0x10 [ 301.381545][ C0] ? __mutex_trylock_common+0x92/0x2e0 [ 301.387183][ C0] ? schedule+0x90/0x320 [ 301.391501][ C0] schedule+0x14b/0x320 [ 301.395823][ C0] schedule_preempt_disabled+0x13/0x30 [ 301.401362][ C0] __mutex_lock+0x6a4/0xd70 [ 301.406042][ C0] ? __mutex_lock+0x527/0xd70 [ 301.410784][ C0] ? rtnetlink_rcv_msg+0x6eb/0xd00 [ 301.416057][ C0] ? __pfx___mutex_lock+0x10/0x10 [ 301.421181][ C0] ? get_rtnl_holder+0x144/0x190 [ 301.426300][ C0] rtnetlink_rcv_msg+0x6eb/0xd00 [ 301.431321][ C0] ? rtnetlink_rcv_msg+0x1a7/0xd00 [ 301.436642][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 301.442211][ C0] ? ref_tracker_free+0x643/0x7e0 [ 301.447405][ C0] netlink_rcv_skb+0x1e3/0x430 [ 301.452234][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 301.457842][ C0] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 301.463259][ C0] ? netlink_deliver_tap+0x2e/0x1b0 [ 301.468638][ C0] netlink_unicast+0x7f6/0x990 [ 301.473503][ C0] ? __pfx_netlink_unicast+0x10/0x10 [ 301.478935][ C0] ? __virt_addr_valid+0x183/0x530 [ 301.484130][ C0] ? __check_object_size+0x49c/0x900 [ 301.489538][ C0] ? bpf_lsm_netlink_send+0x9/0x10 [ 301.494836][ C0] netlink_sendmsg+0x8e4/0xcb0 [ 301.499695][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 301.505157][ C0] ? aa_sock_msg_perm+0x91/0x160 [ 301.510159][ C0] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 301.515560][ C0] ? security_socket_sendmsg+0x87/0xb0 [ 301.521088][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 301.526561][ C0] __sock_sendmsg+0x221/0x270 [ 301.531347][ C0] __sys_sendto+0x3a4/0x4f0 [ 301.536044][ C0] ? __pfx___sys_sendto+0x10/0x10 [ 301.541212][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 301.547394][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 301.553794][ C0] __x64_sys_sendto+0xde/0x100 [ 301.558732][ C0] do_syscall_64+0xf3/0x230 [ 301.563313][ C0] ? clear_bhb_loop+0x35/0x90 [ 301.568177][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 301.574131][ C0] RIP: 0033:0x7f8119db793c [ 301.578697][ C0] RSP: 002b:00007fffc3041a80 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 301.587488][ C0] RAX: ffffffffffffffda RBX: 00007f8119e3e320 RCX: 00007f8119db793c [ 301.595632][ C0] RDX: 0000000000000020 RSI: 00007f8119e3e370 RDI: 0000000000000004 [ 301.603664][ C0] RBP: 0000000000000000 R08: 00007fffc3041ad4 R09: 000000000000000c [ 301.611780][ C0] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 301.619910][ C0] R13: 00007fffc3041c80 R14: 00007f8119e3e370 R15: 0000000000000000 [ 301.628091][ C0] [ 301.631202][ C0] [ 301.631202][ C0] Showing all locks held in the system: [ 301.639134][ C0] 5 locks held by kworker/u8:2/35: [ 301.644302][ C0] #0: ffff888015889148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 301.656446][ C0] #1: ffffc90000ab7d00 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 301.669019][ C0] #2: ffff888047440768 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: cfg80211_wiphy_work+0xd9/0x490 [ 301.679443][ C0] #3: ffffc90000007c00 (net/core/rtnetlink.c:83){+.-.}-{0:0}, at: call_timer_fn+0xc0/0x650 [ 301.689913][ C0] #4: ffffffff8e937a60 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 [ 301.700036][ C0] 3 locks held by kworker/u8:6/2571: [ 301.705461][ C0] #0: ffff88802af4c948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 301.717356][ C0] #1: ffffc900096b7d00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 301.730439][ C0] #2: ffffffff8fc81d48 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xd0/0x16f0 [ 301.740165][ C0] 2 locks held by getty/4976: [ 301.744970][ C0] #0: ffff88802b6970a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 301.754992][ C0] #1: ffffc90002f062f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 [ 301.765367][ C0] 1 lock held by syz-executor243/5247: [ 301.770880][ C0] #0: ffffffff8fc81d48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6eb/0xd00 [ 301.780610][ C0] 1 lock held by syz-executor243/5246: [ 301.786221][ C0] #0: ffffffff8fc81d48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6eb/0xd00 [ 301.795934][ C0] 4 locks held by syz-executor243/5248: [ 301.801550][ C0] #0: ffffffff8fce77f0 (cb_lock){++++}-{3:3}, at: genl_rcv+0x19/0x40 [ 301.810062][ C0] #1: ffffffff8fce76a8 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x121/0xec0 [ 301.819351][ C0] #2: ffffffff8fc81d48 (rtnl_mutex){+.+.}-{3:3}, at: wiphy_register+0x1d26/0x2b30 [ 301.828913][ C0] #3: ffff888047440768 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: reg_process_self_managed_hints+0xb9/0x1a0 [ 301.840247][ C0] 3 locks held by kworker/1:5/5291: [ 301.845566][ C0] #0: ffff888015880948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 301.856832][ C0] #1: ffffc900038bfd00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 301.868096][ C0] #2: ffffffff8fc81d48 (rtnl_mutex){+.+.}-{3:3}, at: linkwatch_event+0xe/0x60 [ 301.877381][ C0] 3 locks held by kworker/0:5/5320: [ 301.882665][ C0] [ 301.885131][ C0] ============================================= [ 301.885131][ C0] [ 302.914677][ C0] DEBUG: waiting rtnl_mutex for 1831 jiffies. [ 302.920831][ C0] task:kworker/1:5 state:D stack:23344 pid:5291 tgid:5291 ppid:2 flags:0x00004000 [ 302.931199][ C0] Workqueue: events linkwatch_event [ 302.936583][ C0] Call Trace: [ 302.939986][ C0] [ 302.942971][ C0] __schedule+0x1800/0x4a60 [ 302.947826][ C0] ? __pfx___schedule+0x10/0x10 [ 302.952756][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 302.958915][ C0] ? __pfx_lock_release+0x10/0x10 [ 302.964017][ C0] ? kick_pool+0x1bd/0x620 [ 302.968602][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 302.973867][ C0] ? lockdep_hardirqs_on+0x99/0x150 [ 302.979219][ C0] ? schedule+0x90/0x320 [ 302.983522][ C0] schedule+0x14b/0x320 [ 302.987843][ C0] schedule_preempt_disabled+0x13/0x30 [ 302.993394][ C0] __mutex_lock+0x6a4/0xd70 [ 302.998048][ C0] ? __mutex_lock+0x527/0xd70 [ 303.002786][ C0] ? linkwatch_event+0xe/0x60 [ 303.007641][ C0] ? __pfx___mutex_lock+0x10/0x10 [ 303.012760][ C0] ? get_rtnl_holder+0x144/0x190 [ 303.017795][ C0] ? process_scheduled_works+0x945/0x1830 [ 303.023568][ C0] linkwatch_event+0xe/0x60 [ 303.028207][ C0] process_scheduled_works+0xa2c/0x1830 [ 303.033880][ C0] ? __pfx_process_scheduled_works+0x10/0x10 [ 303.040022][ C0] ? assign_work+0x364/0x3d0 [ 303.044773][ C0] worker_thread+0x86d/0xd40 [ 303.049484][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 303.055518][ C0] ? __kthread_parkme+0x169/0x1d0 [ 303.060622][ C0] ? __pfx_worker_thread+0x10/0x10 [ 303.065896][ C0] kthread+0x2f0/0x390 [ 303.070030][ C0] ? __pfx_worker_thread+0x10/0x10 [ 303.075273][ C0] ? __pfx_kthread+0x10/0x10 [ 303.079947][ C0] ret_from_fork+0x4b/0x80 [ 303.084421][ C0] ? __pfx_kthread+0x10/0x10 [ 303.089139][ C0] ret_from_fork_asm+0x1a/0x30 [ 303.094004][ C0] [ 303.097206][ C0] DEBUG: holding rtnl_mutex for 1849 jiffies. [ 303.103344][ C0] task:syz-executor243 state:D stack:19920 pid:5248 tgid:5248 ppid:5241 flags:0x00004002 [ 303.113732][ C0] Call Trace: [ 303.117189][ C0] [ 303.120311][ C0] __schedule+0x1800/0x4a60 [ 303.124952][ C0] ? __pfx___schedule+0x10/0x10 [ 303.129896][ C0] ? __pfx_lock_release+0x10/0x10 [ 303.135087][ C0] ? __mutex_trylock_common+0x92/0x2e0 [ 303.140627][ C0] ? schedule+0x90/0x320 [ 303.144988][ C0] schedule+0x14b/0x320 [ 303.149373][ C0] schedule_preempt_disabled+0x13/0x30 [ 303.155024][ C0] __mutex_lock+0x6a4/0xd70 [ 303.159607][ C0] ? __mutex_lock+0x527/0xd70 [ 303.164346][ C0] ? reg_process_self_managed_hints+0xb9/0x1a0 [ 303.170677][ C0] ? __pfx___mutex_lock+0x10/0x10 [ 303.175904][ C0] reg_process_self_managed_hints+0xb9/0x1a0 [ 303.181960][ C0] wiphy_register+0x1ec1/0x2b30 [ 303.186952][ C0] ? lockdep_hardirqs_on+0x99/0x150 [ 303.192296][ C0] ? __pfx_wiphy_register+0x10/0x10 [ 303.197627][ C0] ? minstrel_ht_alloc+0x72b/0x860 [ 303.202838][ C0] ? ieee80211_init_rate_ctrl_alg+0x5a2/0x620 [ 303.209164][ C0] ieee80211_register_hw+0x30fb/0x3e10 [ 303.214818][ C0] ? ieee80211_register_hw+0x14f1/0x3e10 [ 303.220511][ C0] ? __pfx_ieee80211_register_hw+0x10/0x10 [ 303.226528][ C0] ? __asan_memset+0x23/0x50 [ 303.231187][ C0] ? __hrtimer_init+0x170/0x250 [ 303.236210][ C0] mac80211_hwsim_new_radio+0x2a9f/0x4a90 [ 303.242116][ C0] ? __pfx_mac80211_hwsim_new_radio+0x10/0x10 [ 303.248397][ C0] hwsim_new_radio_nl+0xece/0x2290 [ 303.253604][ C0] ? __pfx___nla_validate_parse+0x10/0x10 [ 303.259491][ C0] ? __pfx_hwsim_new_radio_nl+0x10/0x10 [ 303.265299][ C0] ? genl_family_rcv_msg_attrs_parse+0x1d1/0x290 [ 303.271734][ C0] genl_rcv_msg+0xb14/0xec0 [ 303.276397][ C0] ? mark_lock+0x9a/0x360 [ 303.280816][ C0] ? __pfx_genl_rcv_msg+0x10/0x10 [ 303.286049][ C0] ? __pfx_lock_acquire+0x10/0x10 [ 303.291136][ C0] ? __pfx_hwsim_new_radio_nl+0x10/0x10 [ 303.296818][ C0] ? __pfx___might_resched+0x10/0x10 [ 303.302197][ C0] netlink_rcv_skb+0x1e3/0x430 [ 303.307120][ C0] ? __pfx_genl_rcv_msg+0x10/0x10 [ 303.312226][ C0] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 303.317686][ C0] ? __netlink_deliver_tap+0x77e/0x7c0 [ 303.323233][ C0] genl_rcv+0x28/0x40 [ 303.327460][ C0] netlink_unicast+0x7f6/0x990 [ 303.332332][ C0] ? __pfx_netlink_unicast+0x10/0x10 [ 303.337759][ C0] ? __virt_addr_valid+0x183/0x530 [ 303.342939][ C0] ? __check_object_size+0x49c/0x900 [ 303.348390][ C0] ? bpf_lsm_netlink_send+0x9/0x10 [ 303.353578][ C0] netlink_sendmsg+0x8e4/0xcb0 [ 303.358537][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 303.363909][ C0] ? aa_sock_msg_perm+0x91/0x160 [ 303.369048][ C0] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 303.374421][ C0] ? security_socket_sendmsg+0x87/0xb0 [ 303.380058][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 303.385491][ C0] __sock_sendmsg+0x221/0x270 [ 303.390258][ C0] __sys_sendto+0x3a4/0x4f0 [ 303.394937][ C0] ? __pfx___sys_sendto+0x10/0x10 [ 303.400087][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 303.406281][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 303.412691][ C0] __x64_sys_sendto+0xde/0x100 [ 303.417642][ C0] do_syscall_64+0xf3/0x230 [ 303.422215][ C0] ? clear_bhb_loop+0x35/0x90 [ 303.427008][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 303.432984][ C0] RIP: 0033:0x7f8119db793c [ 303.437541][ C0] RSP: 002b:00007fffc3041a80 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 303.446098][ C0] RAX: ffffffffffffffda RBX: 00007f8119e3e320 RCX: 00007f8119db793c [ 303.454125][ C0] RDX: 0000000000000024 RSI: 00007f8119e3e370 RDI: 0000000000000003 [ 303.462245][ C0] RBP: 0000000000000000 R08: 00007fffc3041ad4 R09: 000000000000000c [ 303.470362][ C0] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 303.478459][ C0] R13: 0000000000000000 R14: 00007f8119e3e370 R15: 0000000000000000 [ 303.486615][ C0] [ 303.489684][ C0] DEBUG: waiting rtnl_mutex for 1887 jiffies. [ 303.495880][ C0] task:syz-executor243 state:D stack:19280 pid:5246 tgid:5246 ppid:5242 flags:0x00004002 [ 303.506220][ C0] Call Trace: [ 303.509560][ C0] [ 303.512547][ C0] __schedule+0x1800/0x4a60 [ 303.517275][ C0] ? __pfx___schedule+0x10/0x10 [ 303.522196][ C0] ? __pfx_lock_release+0x10/0x10 [ 303.527363][ C0] ? __mutex_trylock_common+0x92/0x2e0 [ 303.532930][ C0] ? schedule+0x90/0x320 [ 303.537318][ C0] schedule+0x14b/0x320 [ 303.541563][ C0] schedule_preempt_disabled+0x13/0x30 [ 303.547191][ C0] __mutex_lock+0x6a4/0xd70 [ 303.551790][ C0] ? __mutex_lock+0x527/0xd70 [ 303.556613][ C0] ? rtnetlink_rcv_msg+0x6eb/0xd00 [ 303.561821][ C0] ? __pfx___mutex_lock+0x10/0x10 [ 303.567017][ C0] ? get_rtnl_holder+0x144/0x190 [ 303.572014][ C0] rtnetlink_rcv_msg+0x6eb/0xd00 [ 303.577085][ C0] ? rtnetlink_rcv_msg+0x1a7/0xd00 [ 303.582261][ C0] ? rcu_preempt_deferred_qs_irqrestore+0x87b/0xc70 [ 303.589003][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 303.594610][ C0] netlink_rcv_skb+0x1e3/0x430 [ 303.599434][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 303.605034][ C0] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 303.610448][ C0] ? __rcu_read_unlock+0xa1/0x110 [ 303.615615][ C0] netlink_unicast+0x7f6/0x990 [ 303.620483][ C0] ? __pfx_netlink_unicast+0x10/0x10 [ 303.625908][ C0] ? __virt_addr_valid+0x183/0x530 [ 303.631081][ C0] ? __check_object_size+0x49c/0x900 [ 303.636521][ C0] ? bpf_lsm_netlink_send+0x9/0x10 [ 303.641709][ C0] netlink_sendmsg+0x8e4/0xcb0 [ 303.646663][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 303.652013][ C0] ? aa_sock_msg_perm+0x91/0x160 [ 303.657088][ C0] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 303.662421][ C0] ? security_socket_sendmsg+0x87/0xb0 [ 303.667989][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 303.673311][ C0] __sock_sendmsg+0x221/0x270 [ 303.678161][ C0] __sys_sendto+0x3a4/0x4f0 [ 303.682764][ C0] ? __pfx___sys_sendto+0x10/0x10 [ 303.687980][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 303.694451][ C0] __x64_sys_sendto+0xde/0x100 [ 303.699390][ C0] do_syscall_64+0xf3/0x230 [ 303.703949][ C0] ? clear_bhb_loop+0x35/0x90 [ 303.708755][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 303.714772][ C0] RIP: 0033:0x7f8119db793c [ 303.719237][ C0] RSP: 002b:00007fffc3041a80 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 303.727839][ C0] RAX: ffffffffffffffda RBX: 00007f8119e3e320 RCX: 00007f8119db793c [ 303.735962][ C0] RDX: 0000000000000020 RSI: 00007f8119e3e370 RDI: 0000000000000004 [ 303.744001][ C0] RBP: 0000000000000000 R08: 00007fffc3041ad4 R09: 000000000000000c [ 303.752122][ C0] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 303.760226][ C0] R13: 00007fffc3041c80 R14: 00007f8119e3e370 R15: 0000000000000000 [ 303.768417][ C0] [ 303.771519][ C0] DEBUG: waiting rtnl_mutex for 1912 jiffies. [ 303.777730][ C0] task:kworker/u8:6 state:D stack:23472 pid:2571 tgid:2571 ppid:2 flags:0x00004000 [ 303.788099][ C0] Workqueue: ipv6_addrconf addrconf_dad_work [ 303.794206][ C0] Call Trace: [ 303.797617][ C0] [ 303.800653][ C0] __schedule+0x1800/0x4a60 [ 303.805426][ C0] ? __pfx___schedule+0x10/0x10 [ 303.810390][ C0] ? __pfx_lock_release+0x10/0x10 [ 303.815588][ C0] ? __mutex_trylock_common+0x92/0x2e0 [ 303.821101][ C0] ? kthread_data+0x52/0xd0 [ 303.825732][ C0] ? schedule+0x90/0x320 [ 303.830038][ C0] ? wq_worker_sleeping+0x66/0x240 [ 303.835291][ C0] ? schedule+0x90/0x320 [ 303.839627][ C0] schedule+0x14b/0x320 [ 303.843879][ C0] schedule_preempt_disabled+0x13/0x30 [ 303.849476][ C0] __mutex_lock+0x6a4/0xd70 [ 303.854032][ C0] ? mark_lock+0x9a/0x360 [ 303.858519][ C0] ? __mutex_lock+0x527/0xd70 [ 303.863250][ C0] ? addrconf_dad_work+0xd0/0x16f0 [ 303.868490][ C0] ? __pfx___mutex_lock+0x10/0x10 [ 303.873600][ C0] ? get_rtnl_holder+0x144/0x190 [ 303.878660][ C0] addrconf_dad_work+0xd0/0x16f0 [ 303.883680][ C0] ? preempt_schedule+0xe1/0xf0 [ 303.888679][ C0] ? __pfx_preempt_schedule+0x10/0x10 [ 303.894115][ C0] ? __pfx_addrconf_dad_work+0x10/0x10 [ 303.899729][ C0] ? preempt_schedule_thunk+0x1a/0x30 [ 303.905254][ C0] ? process_scheduled_works+0x945/0x1830 [ 303.911034][ C0] process_scheduled_works+0xa2c/0x1830 [ 303.916853][ C0] ? __pfx_process_scheduled_works+0x10/0x10 [ 303.922922][ C0] ? assign_work+0x364/0x3d0 [ 303.927668][ C0] worker_thread+0x86d/0xd40 [ 303.932348][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 303.938404][ C0] ? __kthread_parkme+0x169/0x1d0 [ 303.943508][ C0] ? __pfx_worker_thread+0x10/0x10 [ 303.948780][ C0] kthread+0x2f0/0x390 [ 303.952902][ C0] ? __pfx_worker_thread+0x10/0x10 [ 303.958195][ C0] ? __pfx_kthread+0x10/0x10 [ 303.962854][ C0] ret_from_fork+0x4b/0x80 [ 303.967433][ C0] ? __pfx_kthread+0x10/0x10 [ 303.972102][ C0] ret_from_fork_asm+0x1a/0x30 [ 303.977083][ C0] [ 303.980163][ C0] DEBUG: waiting rtnl_mutex for 1928 jiffies. [ 303.986360][ C0] task:syz-executor243 state:D stack:20408 pid:5247 tgid:5247 ppid:5239 flags:0x00000002 [ 303.996713][ C0] Call Trace: [ 304.000052][ C0] [ 304.003042][ C0] __schedule+0x1800/0x4a60 [ 304.007759][ C0] ? __pfx___schedule+0x10/0x10 [ 304.012671][ C0] ? __pfx_lock_release+0x10/0x10 [ 304.017840][ C0] ? __mutex_trylock_common+0x92/0x2e0 [ 304.023398][ C0] ? schedule+0x90/0x320 [ 304.027799][ C0] schedule+0x14b/0x320 [ 304.032051][ C0] schedule_preempt_disabled+0x13/0x30 [ 304.037645][ C0] __mutex_lock+0x6a4/0xd70 [ 304.042219][ C0] ? __mutex_lock+0x527/0xd70 [ 304.047029][ C0] ? rtnetlink_rcv_msg+0x6eb/0xd00 [ 304.052214][ C0] ? __pfx___mutex_lock+0x10/0x10 [ 304.057407][ C0] ? get_rtnl_holder+0x144/0x190 [ 304.062409][ C0] rtnetlink_rcv_msg+0x6eb/0xd00 [ 304.067488][ C0] ? rtnetlink_rcv_msg+0x1a7/0xd00 [ 304.072665][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 304.078297][ C0] ? ref_tracker_free+0x643/0x7e0 [ 304.083432][ C0] netlink_rcv_skb+0x1e3/0x430 [ 304.088385][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 304.093922][ C0] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 304.099419][ C0] ? netlink_deliver_tap+0x2e/0x1b0 [ 304.104763][ C0] netlink_unicast+0x7f6/0x990 [ 304.109638][ C0] ? __pfx_netlink_unicast+0x10/0x10 [ 304.115084][ C0] ? __virt_addr_valid+0x183/0x530 [ 304.120261][ C0] ? __check_object_size+0x49c/0x900 [ 304.125693][ C0] ? bpf_lsm_netlink_send+0x9/0x10 [ 304.130881][ C0] netlink_sendmsg+0x8e4/0xcb0 [ 304.135833][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 304.141179][ C0] ? aa_sock_msg_perm+0x91/0x160 [ 304.146299][ C0] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 304.151747][ C0] ? security_socket_sendmsg+0x87/0xb0 [ 304.157349][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 304.162695][ C0] __sock_sendmsg+0x221/0x270 [ 304.167585][ C0] __sys_sendto+0x3a4/0x4f0 [ 304.172189][ C0] ? __pfx___sys_sendto+0x10/0x10 [ 304.177432][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 304.183497][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 304.190003][ C0] __x64_sys_sendto+0xde/0x100 [ 304.194934][ C0] do_syscall_64+0xf3/0x230 [ 304.199507][ C0] ? clear_bhb_loop+0x35/0x90 [ 304.204239][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 304.210283][ C0] RIP: 0033:0x7f8119db793c [ 304.214845][ C0] RSP: 002b:00007fffc3041a80 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 304.223332][ C0] RAX: ffffffffffffffda RBX: 00007f8119e3e320 RCX: 00007f8119db793c [ 304.231432][ C0] RDX: 0000000000000020 RSI: 00007f8119e3e370 RDI: 0000000000000004 [ 304.239546][ C0] RBP: 0000000000000000 R08: 00007fffc3041ad4 R09: 000000000000000c [ 304.247673][ C0] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 304.255793][ C0] R13: 00007fffc3041c80 R14: 00007f8119e3e370 R15: 0000000000000000 [ 304.263851][ C0] [ 304.267019][ C0] [ 304.267019][ C0] Showing all locks held in the system: [ 304.274870][ C0] 3 locks held by kworker/u8:2/35: [ 304.280127][ C0] 3 locks held by kworker/u8:6/2571: [ 304.285539][ C0] #0: ffff88802af4c948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 304.297422][ C0] #1: ffffc900096b7d00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 304.310509][ C0] #2: ffffffff8fc81d48 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xd0/0x16f0 [ 304.320215][ C0] 1 lock held by syslogd/4661: [ 304.325116][ C0] 2 locks held by getty/4976: [ 304.329841][ C0] #0: ffff88802b6970a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 304.339902][ C0] #1: ffffc90002f062f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 [ 304.350315][ C0] 1 lock held by syz-executor243/5247: [ 304.355906][ C0] #0: ffffffff8fc81d48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6eb/0xd00 [ 304.365651][ C0] 1 lock held by syz-executor243/5246: [ 304.371159][ C0] #0: ffffffff8fc81d48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6eb/0xd00 [ 304.380841][ C0] 4 locks held by syz-executor243/5248: [ 304.386506][ C0] #0: ffffffff8fce77f0 (cb_lock){++++}-{3:3}, at: genl_rcv+0x19/0x40 [ 304.394985][ C0] #1: ffffffff8fce76a8 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x121/0xec0 [ 304.404168][ C0] #2: ffffffff8fc81d48 (rtnl_mutex){+.+.}-{3:3}, at: wiphy_register+0x1d26/0x2b30 [ 304.413754][ C0] #3: ffff888047440768 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: reg_process_self_managed_hints+0xb9/0x1a0 [ 304.424952][ C0] 3 locks held by kworker/1:5/5291: [ 304.430201][ C0] #0: ffff888015880948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 304.441450][ C0] #1: ffffc900038bfd00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 304.452710][ C0] #2: ffffffff8fc81d48 (rtnl_mutex){+.+.}-{3:3}, at: linkwatch_event+0xe/0x60 [ 304.461981][ C0] 3 locks held by kworker/1:7/5293: [ 304.467304][ C0] 3 locks held by kworker/0:5/5320: [ 304.472551][ C0] [ 304.475008][ C0] ============================================= [ 304.475008][ C0] [ 305.554754][ C0] DEBUG: waiting rtnl_mutex for 2095 jiffies. [ 305.561019][ C0] task:kworker/1:5 state:D stack:23344 pid:5291 tgid:5291 ppid:2 flags:0x00004000 [ 305.571347][ C0] Workqueue: events linkwatch_event [ 305.576709][ C0] Call Trace: [ 305.580062][ C0] [ 305.583061][ C0] __schedule+0x1800/0x4a60 [ 305.587798][ C0] ? __pfx___schedule+0x10/0x10 [ 305.592720][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 305.598847][ C0] ? __pfx_lock_release+0x10/0x10 [ 305.603942][ C0] ? kick_pool+0x1bd/0x620 [ 305.608541][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 305.613808][ C0] ? lockdep_hardirqs_on+0x99/0x150 [ 305.619163][ C0] ? schedule+0x90/0x320 [ 305.623473][ C0] schedule+0x14b/0x320 [ 305.627803][ C0] schedule_preempt_disabled+0x13/0x30 [ 305.633332][ C0] __mutex_lock+0x6a4/0xd70 [ 305.637996][ C0] ? __mutex_lock+0x527/0xd70 [ 305.642730][ C0] ? linkwatch_event+0xe/0x60 [ 305.647560][ C0] ? __pfx___mutex_lock+0x10/0x10 [ 305.652686][ C0] ? get_rtnl_holder+0x144/0x190 [ 305.657765][ C0] ? process_scheduled_works+0x945/0x1830 [ 305.663554][ C0] linkwatch_event+0xe/0x60 [ 305.668193][ C0] process_scheduled_works+0xa2c/0x1830 [ 305.673883][ C0] ? __pfx_process_scheduled_works+0x10/0x10 [ 305.679984][ C0] ? assign_work+0x364/0x3d0 [ 305.684661][ C0] worker_thread+0x86d/0xd40 [ 305.689335][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 305.695421][ C0] ? __kthread_parkme+0x169/0x1d0 [ 305.700521][ C0] ? __pfx_worker_thread+0x10/0x10 [ 305.705780][ C0] kthread+0x2f0/0x390 [ 305.709914][ C0] ? __pfx_worker_thread+0x10/0x10 [ 305.715166][ C0] ? __pfx_kthread+0x10/0x10 [ 305.719840][ C0] ret_from_fork+0x4b/0x80 [ 305.724321][ C0] ? __pfx_kthread+0x10/0x10 [ 305.729040][ C0] ret_from_fork_asm+0x1a/0x30 [ 305.733909][ C0] [ 305.737056][ C0] DEBUG: holding rtnl_mutex for 2113 jiffies. [ 305.743165][ C0] task:syz-executor243 state:D stack:19920 pid:5248 tgid:5248 ppid:5241 flags:0x00004002 [ 305.753520][ C0] Call Trace: [ 305.756945][ C0] [ 305.759929][ C0] __schedule+0x1800/0x4a60 [ 305.764569][ C0] ? __pfx___schedule+0x10/0x10 [ 305.769485][ C0] ? __pfx_lock_release+0x10/0x10 [ 305.774657][ C0] ? __mutex_trylock_common+0x92/0x2e0 [ 305.780203][ C0] ? schedule+0x90/0x320 [ 305.784512][ C0] schedule+0x14b/0x320 [ 305.788849][ C0] schedule_preempt_disabled+0x13/0x30 [ 305.794379][ C0] __mutex_lock+0x6a4/0xd70 [ 305.799029][ C0] ? __mutex_lock+0x527/0xd70 [ 305.803760][ C0] ? reg_process_self_managed_hints+0xb9/0x1a0 [ 305.810097][ C0] ? __pfx___mutex_lock+0x10/0x10 [ 305.815290][ C0] reg_process_self_managed_hints+0xb9/0x1a0 [ 305.821373][ C0] wiphy_register+0x1ec1/0x2b30 [ 305.826387][ C0] ? lockdep_hardirqs_on+0x99/0x150 [ 305.831776][ C0] ? __pfx_wiphy_register+0x10/0x10 [ 305.837193][ C0] ? minstrel_ht_alloc+0x72b/0x860 [ 305.842431][ C0] ? ieee80211_init_rate_ctrl_alg+0x5a2/0x620 [ 305.848673][ C0] ieee80211_register_hw+0x30fb/0x3e10 [ 305.854291][ C0] ? ieee80211_register_hw+0x14f1/0x3e10 [ 305.860078][ C0] ? __pfx_ieee80211_register_hw+0x10/0x10 [ 305.866063][ C0] ? __asan_memset+0x23/0x50 [ 305.870767][ C0] ? __hrtimer_init+0x170/0x250 [ 305.876289][ C0] mac80211_hwsim_new_radio+0x2a9f/0x4a90 [ 305.882216][ C0] ? __pfx_mac80211_hwsim_new_radio+0x10/0x10 [ 305.888421][ C0] hwsim_new_radio_nl+0xece/0x2290 [ 305.893656][ C0] ? __pfx___nla_validate_parse+0x10/0x10 [ 305.899563][ C0] ? __pfx_hwsim_new_radio_nl+0x10/0x10 [ 305.905258][ C0] ? genl_family_rcv_msg_attrs_parse+0x1d1/0x290 [ 305.911683][ C0] genl_rcv_msg+0xb14/0xec0 [ 305.916338][ C0] ? mark_lock+0x9a/0x360 [ 305.920810][ C0] ? __pfx_genl_rcv_msg+0x10/0x10 [ 305.926101][ C0] ? __pfx_lock_acquire+0x10/0x10 [ 305.931251][ C0] ? __pfx_hwsim_new_radio_nl+0x10/0x10 [ 305.936934][ C0] ? __pfx___might_resched+0x10/0x10 [ 305.942343][ C0] netlink_rcv_skb+0x1e3/0x430 [ 305.947274][ C0] ? __pfx_genl_rcv_msg+0x10/0x10 [ 305.952422][ C0] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 305.957939][ C0] ? __netlink_deliver_tap+0x77e/0x7c0 [ 305.963510][ C0] genl_rcv+0x28/0x40 [ 305.967648][ C0] netlink_unicast+0x7f6/0x990 [ 305.972571][ C0] ? __pfx_netlink_unicast+0x10/0x10 [ 305.978009][ C0] ? __virt_addr_valid+0x183/0x530 [ 305.983196][ C0] ? __check_object_size+0x49c/0x900 [ 305.988662][ C0] ? bpf_lsm_netlink_send+0x9/0x10 [ 305.993883][ C0] netlink_sendmsg+0x8e4/0xcb0 [ 305.998848][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 306.004261][ C0] ? aa_sock_msg_perm+0x91/0x160 [ 306.009370][ C0] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 306.014752][ C0] ? security_socket_sendmsg+0x87/0xb0 [ 306.020288][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 306.025706][ C0] __sock_sendmsg+0x221/0x270 [ 306.030502][ C0] __sys_sendto+0x3a4/0x4f0 [ 306.035139][ C0] ? __pfx___sys_sendto+0x10/0x10 [ 306.040308][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 306.046395][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 306.052845][ C0] __x64_sys_sendto+0xde/0x100 [ 306.057801][ C0] do_syscall_64+0xf3/0x230 [ 306.062398][ C0] ? clear_bhb_loop+0x35/0x90 [ 306.067252][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 306.073272][ C0] RIP: 0033:0x7f8119db793c [ 306.077840][ C0] RSP: 002b:00007fffc3041a80 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 306.086403][ C0] RAX: ffffffffffffffda RBX: 00007f8119e3e320 RCX: 00007f8119db793c [ 306.094482][ C0] RDX: 0000000000000024 RSI: 00007f8119e3e370 RDI: 0000000000000003 [ 306.102588][ C0] RBP: 0000000000000000 R08: 00007fffc3041ad4 R09: 000000000000000c [ 306.110691][ C0] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 306.118787][ C0] R13: 0000000000000000 R14: 00007f8119e3e370 R15: 0000000000000000 [ 306.127097][ C0] [ 306.130194][ C0] DEBUG: waiting rtnl_mutex for 2143 jiffies. [ 306.136340][ C0] task:syz-executor243 state:R running task stack:20408 pid:5247 tgid:5247 ppid:5239 flags:0x00000002 [ 306.148194][ C0] Call Trace: [ 306.151571][ C0] [ 306.154624][ C0] __schedule+0x1800/0x4a60 [ 306.159247][ C0] ? __pfx___schedule+0x10/0x10 [ 306.164190][ C0] ? __pfx_lock_release+0x10/0x10 [ 306.169435][ C0] ? __mutex_trylock_common+0x92/0x2e0 [ 306.175184][ C0] ? schedule+0x90/0x320 [ 306.179523][ C0] schedule+0x14b/0x320 [ 306.183819][ C0] schedule_preempt_disabled+0x13/0x30 [ 306.189466][ C0] __mutex_lock+0x6a4/0xd70 [ 306.194160][ C0] ? __mutex_lock+0x527/0xd70 [ 306.198946][ C0] ? rtnetlink_rcv_msg+0x6eb/0xd00 [ 306.204111][ C0] ? __pfx___mutex_lock+0x10/0x10 [ 306.209266][ C0] ? get_rtnl_holder+0x144/0x190 [ 306.214287][ C0] rtnetlink_rcv_msg+0x6eb/0xd00 [ 306.219351][ C0] ? rtnetlink_rcv_msg+0x1a7/0xd00 [ 306.224584][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 306.230134][ C0] ? ref_tracker_free+0x643/0x7e0 [ 306.235367][ C0] netlink_rcv_skb+0x1e3/0x430 [ 306.240235][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 306.245881][ C0] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 306.251304][ C0] ? netlink_deliver_tap+0x2e/0x1b0 [ 306.256667][ C0] netlink_unicast+0x7f6/0x990 [ 306.261537][ C0] ? __pfx_netlink_unicast+0x10/0x10 [ 306.266979][ C0] ? __virt_addr_valid+0x183/0x530 [ 306.272163][ C0] ? __check_object_size+0x49c/0x900 [ 306.277539][ C0] ? bpf_lsm_netlink_send+0x9/0x10 [ 306.282740][ C0] netlink_sendmsg+0x8e4/0xcb0 [ 306.287639][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 306.292983][ C0] ? aa_sock_msg_perm+0x91/0x160 [ 306.298045][ C0] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 306.303405][ C0] ? security_socket_sendmsg+0x87/0xb0 [ 306.309112][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 306.314455][ C0] __sock_sendmsg+0x221/0x270 [ 306.319305][ C0] __sys_sendto+0x3a4/0x4f0 [ 306.323893][ C0] ? __pfx___sys_sendto+0x10/0x10 [ 306.329147][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 306.335336][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 306.341761][ C0] __x64_sys_sendto+0xde/0x100 [ 306.346725][ C0] do_syscall_64+0xf3/0x230 [ 306.351303][ C0] ? clear_bhb_loop+0x35/0x90 [ 306.356094][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 306.362033][ C0] RIP: 0033:0x7f8119db793c [ 306.366629][ C0] RSP: 002b:00007fffc3041a80 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 306.375182][ C0] RAX: ffffffffffffffda RBX: 00007f8119e3e320 RCX: 00007f8119db793c [ 306.383206][ C0] RDX: 0000000000000020 RSI: 00007f8119e3e370 RDI: 0000000000000004 [ 306.391362][ C0] RBP: 0000000000000000 R08: 00007fffc3041ad4 R09: 000000000000000c [ 306.399483][ C0] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 306.407602][ C0] R13: 00007fffc3041c80 R14: 00007f8119e3e370 R15: 0000000000000000 [ 306.415786][ C0] [ 306.418893][ C0] [ 306.418893][ C0] Showing all locks held in the system: [ 306.426815][ C0] 3 locks held by kworker/u8:2/35: [ 306.431997][ C0] 3 locks held by kworker/1:1/46: [ 306.437140][ C0] #0: ffff888015880948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 306.448379][ C0] #1: ffffc90000b67d00 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 306.461300][ C0] #2: ffff88806ca38240 (&data->fib_lock){+.+.}-{3:3}, at: nsim_fib_event_work+0x2d1/0x4130 [ 306.471723][ C0] 6 locks held by kworker/u8:4/81: [ 306.477098][ C0] 1 lock held by syslogd/4661: [ 306.481912][ C0] 2 locks held by getty/4976: [ 306.486761][ C0] #0: ffff88802b6970a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 306.496798][ C0] #1: ffffc90002f062f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 [ 306.507266][ C0] 1 lock held by syz-executor243/5247: [ 306.512779][ C0] 1 lock held by syz-executor243/5246: [ 306.518376][ C0] #0: ffffffff8e93ce38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x381/0x830 [ 306.529556][ C0] 3 locks held by syz-executor243/5248: [ 306.535243][ C0] #0: ffffffff8fce77f0 (cb_lock){++++}-{3:3}, at: genl_rcv+0x19/0x40 [ 306.543615][ C0] #1: ffffffff8fce76a8 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x121/0xec0 [ 306.552929][ C0] #2: ffffffff8fc81d48 (rtnl_mutex){+.+.}-{3:3}, at: ieee80211_register_hw+0x312b/0x3e10 [ 306.563174][ C0] 3 locks held by kworker/1:4/5290: [ 306.568506][ C0] #0: ffff888015880948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 306.579773][ C0] #1: ffffc900038afd00 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 306.592673][ C0] #2: ffff88806c8d7240 (&data->fib_lock){+.+.}-{3:3}, at: nsim_fib_event_work+0x2d1/0x4130 [ 306.603105][ C0] 3 locks held by kworker/1:5/5291: [ 306.608413][ C0] #0: ffff888015880948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 306.619678][ C0] #1: ffffc900038bfd00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 306.630963][ C0] #2: ffffffff8fc81d48 (rtnl_mutex){+.+.}-{3:3}, at: linkwatch_event+0xe/0x60 [ 306.640226][ C0] 3 locks held by kworker/1:6/5292: [ 306.645535][ C0] #0: ffff888015880948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 306.656765][ C0] #1: ffffc900038cfd00 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 306.669674][ C0] #2: ffff888048c1f240 (&data->fib_lock){+.+.}-{3:3}, at: nsim_fib_event_work+0x2d1/0x4130 [ 306.680070][ C0] 3 locks held by kworker/1:7/5293: [ 306.685384][ C0] #0: ffff888015880948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 306.696628][ C0] #1: ffffc900038dfd00 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 306.709576][ C0] #2: ffff88806cd7f240 (&data->fib_lock){+.+.}-{3:3}, at: nsim_fib_event_work+0x2d1/0x4130 [ 306.719958][ C0] 3 locks held by kworker/0:5/5320: [ 306.725323][ C0] 3 locks held by kworker/1:8/5338: [ 306.730585][ C0] #0: ffff888015880948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 306.741858][ C0] #1: ffffc90003a0fd00 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 306.754756][ C0] #2: ffff88806c939240 (&data->fib_lock){+.+.}-{3:3}, at: nsim_fib_event_work+0x2d1/0x4130 [ 306.765166][ C0] [ 306.767558][ C0] ============================================= [ 306.767558][ C0] [ 311.954770][ C0] DEBUG: waiting rtnl_mutex for 507 jiffies. [ 311.960863][ C0] task:kworker/u8:2 state:D stack:22152 pid:35 tgid:35 ppid:2 flags:0x00004000 [ 311.971222][ C0] Workqueue: ipv6_addrconf addrconf_dad_work [ 311.977388][ C0] Call Trace: [ 311.980727][ C0] [ 311.983774][ C0] __schedule+0x1800/0x4a60 [ 311.988502][ C0] ? __pfx___schedule+0x10/0x10 [ 311.993426][ C0] ? __pfx_lock_release+0x10/0x10 [ 311.998594][ C0] ? __mutex_trylock_common+0x92/0x2e0 [ 312.004118][ C0] ? kthread_data+0x52/0xd0 [ 312.008765][ C0] ? schedule+0x90/0x320 [ 312.013075][ C0] ? wq_worker_sleeping+0x66/0x240 [ 312.018336][ C0] ? schedule+0x90/0x320 [ 312.022643][ C0] schedule+0x14b/0x320 [ 312.026976][ C0] schedule_preempt_disabled+0x13/0x30 [ 312.032521][ C0] __mutex_lock+0x6a4/0xd70 [ 312.037165][ C0] ? mark_lock+0x9a/0x360 [ 312.041564][ C0] ? __mutex_lock+0x527/0xd70 [ 312.046404][ C0] ? addrconf_dad_work+0xd0/0x16f0 [ 312.051590][ C0] ? __pfx___mutex_lock+0x10/0x10 [ 312.056795][ C0] ? get_rtnl_holder+0x144/0x190 [ 312.061795][ C0] addrconf_dad_work+0xd0/0x16f0 [ 312.066917][ C0] ? __pfx_addrconf_dad_work+0x10/0x10 [ 312.072446][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 312.078959][ C0] ? process_scheduled_works+0x945/0x1830 [ 312.084830][ C0] process_scheduled_works+0xa2c/0x1830 [ 312.090546][ C0] ? __pfx_process_scheduled_works+0x10/0x10 [ 312.096702][ C0] ? assign_work+0x364/0x3d0 [ 312.101387][ C0] worker_thread+0x86d/0xd40 [ 312.106188][ C0] ? __kthread_parkme+0x169/0x1d0 [ 312.111301][ C0] ? __pfx_worker_thread+0x10/0x10 [ 312.116650][ C0] kthread+0x2f0/0x390 [ 312.120782][ C0] ? __pfx_worker_thread+0x10/0x10 [ 312.126038][ C0] ? __pfx_kthread+0x10/0x10 [ 312.130689][ C0] ret_from_fork+0x4b/0x80 [ 312.135261][ C0] ? __pfx_kthread+0x10/0x10 [ 312.140091][ C0] ret_from_fork_asm+0x1a/0x30 [ 312.145116][ C0] [ 312.148230][ C0] DEBUG: holding rtnl_mutex for 616 jiffies. [ 312.154312][ C0] task:syz-executor243 state:R running task stack:19920 pid:5248 tgid:5248 ppid:5241 flags:0x00004002 [ 312.166282][ C0] Call Trace: [ 312.169616][ C0] [ 312.172613][ C0] __schedule+0x1800/0x4a60 [ 312.177347][ C0] ? __pfx___schedule+0x10/0x10 [ 312.182342][ C0] ? preempt_schedule+0xe1/0xf0 [ 312.187332][ C0] preempt_schedule_common+0x84/0xd0 [ 312.192678][ C0] preempt_schedule+0xe1/0xf0 [ 312.197483][ C0] ? __pfx_preempt_schedule+0x10/0x10 [ 312.202972][ C0] preempt_schedule_thunk+0x1a/0x30 [ 312.208366][ C0] _raw_spin_unlock+0x3e/0x50 [ 312.213108][ C0] __debugfs_create_file+0x25c/0x4b0 [ 312.218587][ C0] ieee80211_debugfs_recreate_netdev+0x4ed/0x1400 [ 312.225170][ C0] ? __pfx_ieee80211_debugfs_recreate_netdev+0x10/0x10 [ 312.232079][ C0] ? ieee80211_setup_sdata+0x98d/0xc20 [ 312.237720][ C0] ieee80211_if_add+0xdd1/0x15b0 [ 312.242795][ C0] ieee80211_register_hw+0x3219/0x3e10 [ 312.248436][ C0] ? ieee80211_register_hw+0x14f1/0x3e10 [ 312.254141][ C0] ? __pfx_ieee80211_register_hw+0x10/0x10 [ 312.260166][ C0] ? __asan_memset+0x23/0x50 [ 312.264952][ C0] ? __hrtimer_init+0x170/0x250 [ 312.269873][ C0] mac80211_hwsim_new_radio+0x2a9f/0x4a90 [ 312.275851][ C0] ? __pfx_mac80211_hwsim_new_radio+0x10/0x10 [ 312.282049][ C0] hwsim_new_radio_nl+0xece/0x2290 [ 312.287327][ C0] ? __pfx___nla_validate_parse+0x10/0x10 [ 312.293105][ C0] ? __pfx_hwsim_new_radio_nl+0x10/0x10 [ 312.298891][ C0] ? genl_family_rcv_msg_attrs_parse+0x1d1/0x290 [ 312.305401][ C0] genl_rcv_msg+0xb14/0xec0 [ 312.309966][ C0] ? mark_lock+0x9a/0x360 [ 312.314416][ C0] ? __pfx_genl_rcv_msg+0x10/0x10 [ 312.319656][ C0] ? __pfx_lock_acquire+0x10/0x10 [ 312.324819][ C0] ? __pfx_hwsim_new_radio_nl+0x10/0x10 [ 312.330425][ C0] ? __pfx___might_resched+0x10/0x10 [ 312.335827][ C0] netlink_rcv_skb+0x1e3/0x430 [ 312.340631][ C0] ? __pfx_genl_rcv_msg+0x10/0x10 [ 312.345807][ C0] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 312.351185][ C0] ? __netlink_deliver_tap+0x77e/0x7c0 [ 312.356835][ C0] genl_rcv+0x28/0x40 [ 312.360884][ C0] netlink_unicast+0x7f6/0x990 [ 312.365838][ C0] ? __pfx_netlink_unicast+0x10/0x10 [ 312.371192][ C0] ? __virt_addr_valid+0x183/0x530 [ 312.376471][ C0] ? __check_object_size+0x49c/0x900 [ 312.381820][ C0] ? bpf_lsm_netlink_send+0x9/0x10 [ 312.387080][ C0] netlink_sendmsg+0x8e4/0xcb0 [ 312.391973][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 312.397394][ C0] ? aa_sock_msg_perm+0x91/0x160 [ 312.402424][ C0] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 312.407898][ C0] ? security_socket_sendmsg+0x87/0xb0 [ 312.413454][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 312.418879][ C0] __sock_sendmsg+0x221/0x270 [ 312.423661][ C0] __sys_sendto+0x3a4/0x4f0 [ 312.428339][ C0] ? __pfx___sys_sendto+0x10/0x10 [ 312.433504][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 312.439677][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 312.446170][ C0] __x64_sys_sendto+0xde/0x100 [ 312.451030][ C0] do_syscall_64+0xf3/0x230 [ 312.455674][ C0] ? clear_bhb_loop+0x35/0x90 [ 312.460418][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 312.466465][ C0] RIP: 0033:0x7f8119db793c [ 312.470967][ C0] RSP: 002b:00007fffc3041a80 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 312.479546][ C0] RAX: ffffffffffffffda RBX: 00007f8119e3e320 RCX: 00007f8119db793c [ 312.487665][ C0] RDX: 0000000000000024 RSI: 00007f8119e3e370 RDI: 0000000000000003 [ 312.495786][ C0] RBP: 0000000000000000 R08: 00007fffc3041ad4 R09: 000000000000000c [ 312.503817][ C0] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 312.511925][ C0] R13: 0000000000000000 R14: 00007f8119e3e370 R15: 0000000000000000 [ 312.520092][ C0] [ 312.523167][ C0] [ 312.523167][ C0] Showing all locks held in the system: [ 312.531033][ C0] 3 locks held by kworker/u8:2/35: [ 312.536260][ C0] #0: ffff88802af4c948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 312.548161][ C0] #1: ffffc90000ab7d00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 312.561170][ C0] #2: ffffffff8fc81d48 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xd0/0x16f0 [ 312.570870][ C0] 3 locks held by kworker/1:1/46: [ 312.576043][ C0] 6 locks held by kworker/u8:4/81: [ 312.581297][ C0] 1 lock held by syslogd/4661: [ 312.586201][ C0] 1 lock held by udevd/4679: [ 312.590832][ C0] 2 locks held by getty/4976: [ 312.595631][ C0] #0: ffff88802b6970a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 312.605709][ C0] #1: ffffc90002f062f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 [ 312.616086][ C0] 1 lock held by syz-executor243/5247: [ 312.621589][ C0] 5 locks held by syz-executor243/5248: [ 312.627324][ C0] 4 locks held by kworker/1:3/5289: [ 312.632565][ C0] 3 locks held by kworker/1:6/5292: [ 312.637884][ C0] 3 locks held by kworker/0:5/5320: [ 312.643154][ C0] 3 locks held by kworker/1:8/5338: [ 312.648460][ C0] 1 lock held by udevd/5341: [ 312.653098][ C0] [ 312.655554][ C0] ============================================= [ 312.655554][ C0] [ 313.714553][ C0] DEBUG: waiting rtnl_mutex for 683 jiffies. [ 313.720660][ C0] task:kworker/u8:2 state:D stack:22152 pid:35 tgid:35 ppid:2 flags:0x00004000 [ 313.731019][ C0] Workqueue: ipv6_addrconf addrconf_dad_work [ 313.737189][ C0] Call Trace: [ 313.740522][ C0] [ 313.743508][ C0] __schedule+0x1800/0x4a60 [ 313.748218][ C0] ? __pfx___schedule+0x10/0x10 [ 313.753133][ C0] ? __pfx_lock_release+0x10/0x10 [ 313.758295][ C0] ? __mutex_trylock_common+0x92/0x2e0 [ 313.763825][ C0] ? kthread_data+0x52/0xd0 [ 313.768475][ C0] ? schedule+0x90/0x320 [ 313.772808][ C0] ? wq_worker_sleeping+0x66/0x240 [ 313.778108][ C0] ? schedule+0x90/0x320 [ 313.782417][ C0] schedule+0x14b/0x320 [ 313.786758][ C0] schedule_preempt_disabled+0x13/0x30 [ 313.792298][ C0] __mutex_lock+0x6a4/0xd70 [ 313.796942][ C0] ? mark_lock+0x9a/0x360 [ 313.801369][ C0] ? __mutex_lock+0x527/0xd70 [ 313.806285][ C0] ? addrconf_dad_work+0xd0/0x16f0 [ 313.811474][ C0] ? __pfx___mutex_lock+0x10/0x10 [ 313.816682][ C0] ? get_rtnl_holder+0x144/0x190 [ 313.821693][ C0] addrconf_dad_work+0xd0/0x16f0 [ 313.826832][ C0] ? __pfx_addrconf_dad_work+0x10/0x10 [ 313.832370][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 313.838916][ C0] ? process_scheduled_works+0x945/0x1830 [ 313.844806][ C0] process_scheduled_works+0xa2c/0x1830 [ 313.850499][ C0] ? __pfx_process_scheduled_works+0x10/0x10 [ 313.856688][ C0] ? assign_work+0x364/0x3d0 [ 313.861389][ C0] worker_thread+0x86d/0xd40 [ 313.866173][ C0] ? __kthread_parkme+0x169/0x1d0 [ 313.871270][ C0] ? __pfx_worker_thread+0x10/0x10 [ 313.876560][ C0] kthread+0x2f0/0x390 [ 313.880699][ C0] ? __pfx_worker_thread+0x10/0x10 [ 313.885961][ C0] ? __pfx_kthread+0x10/0x10 [ 313.890632][ C0] ret_from_fork+0x4b/0x80 [ 313.895204][ C0] ? __pfx_kthread+0x10/0x10 [ 313.899860][ C0] ret_from_fork_asm+0x1a/0x30 [ 313.904830][ C0] [ 313.907904][ C0] DEBUG: holding rtnl_mutex for 792 jiffies. [ 313.913934][ C0] task:syz-executor243 state:R running task stack:19920 pid:5248 tgid:5248 ppid:5241 flags:0x00004002 [ 313.925897][ C0] Call Trace: [ 313.929235][ C0] [ 313.932226][ C0] __schedule+0x1800/0x4a60 [ 313.937027][ C0] ? __pfx___schedule+0x10/0x10 [ 313.942085][ C0] ? preempt_schedule+0xe1/0xf0 [ 313.947195][ C0] preempt_schedule_common+0x84/0xd0 [ 313.952588][ C0] preempt_schedule+0xe1/0xf0 [ 313.957455][ C0] ? __pfx_preempt_schedule+0x10/0x10 [ 313.962915][ C0] preempt_schedule_thunk+0x1a/0x30 [ 313.968304][ C0] _raw_spin_unlock+0x3e/0x50 [ 313.973058][ C0] __debugfs_create_file+0x25c/0x4b0 [ 313.978543][ C0] ieee80211_debugfs_recreate_netdev+0x4ed/0x1400 [ 313.985146][ C0] ? __pfx_ieee80211_debugfs_recreate_netdev+0x10/0x10 [ 313.992072][ C0] ? ieee80211_setup_sdata+0x98d/0xc20 [ 313.997717][ C0] ieee80211_if_add+0xdd1/0x15b0 [ 314.002760][ C0] ieee80211_register_hw+0x3219/0x3e10 [ 314.008427][ C0] ? ieee80211_register_hw+0x14f1/0x3e10 [ 314.014134][ C0] ? __pfx_ieee80211_register_hw+0x10/0x10 [ 314.020111][ C0] ? __asan_memset+0x23/0x50 [ 314.024846][ C0] ? __hrtimer_init+0x170/0x250 [ 314.029761][ C0] mac80211_hwsim_new_radio+0x2a9f/0x4a90 [ 314.035719][ C0] ? __pfx_mac80211_hwsim_new_radio+0x10/0x10 [ 314.041891][ C0] hwsim_new_radio_nl+0xece/0x2290 [ 314.047179][ C0] ? __pfx___nla_validate_parse+0x10/0x10 [ 314.052966][ C0] ? __pfx_hwsim_new_radio_nl+0x10/0x10 [ 314.058770][ C0] ? genl_family_rcv_msg_attrs_parse+0x1d1/0x290 [ 314.065321][ C0] genl_rcv_msg+0xb14/0xec0 [ 314.069890][ C0] ? mark_lock+0x9a/0x360 [ 314.074315][ C0] ? __pfx_genl_rcv_msg+0x10/0x10 [ 314.079535][ C0] ? __pfx_lock_acquire+0x10/0x10 [ 314.084704][ C0] ? __pfx_hwsim_new_radio_nl+0x10/0x10 [ 314.090311][ C0] ? __pfx___might_resched+0x10/0x10 [ 314.095766][ C0] netlink_rcv_skb+0x1e3/0x430 [ 314.100593][ C0] ? __pfx_genl_rcv_msg+0x10/0x10 [ 314.105771][ C0] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 314.111173][ C0] ? __netlink_deliver_tap+0x77e/0x7c0 [ 314.116852][ C0] genl_rcv+0x28/0x40 [ 314.120899][ C0] netlink_unicast+0x7f6/0x990 [ 314.125941][ C0] ? __pfx_netlink_unicast+0x10/0x10 [ 314.131366][ C0] ? __virt_addr_valid+0x183/0x530 [ 314.136692][ C0] ? __check_object_size+0x49c/0x900 [ 314.142059][ C0] ? bpf_lsm_netlink_send+0x9/0x10 [ 314.147343][ C0] netlink_sendmsg+0x8e4/0xcb0 [ 314.152224][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 314.157664][ C0] ? aa_sock_msg_perm+0x91/0x160 [ 314.162683][ C0] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 314.168118][ C0] ? security_socket_sendmsg+0x87/0xb0 [ 314.173658][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 314.179050][ C0] __sock_sendmsg+0x221/0x270 [ 314.183786][ C0] __sys_sendto+0x3a4/0x4f0 [ 314.188477][ C0] ? __pfx___sys_sendto+0x10/0x10 [ 314.193624][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 314.199819][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 314.206338][ C0] __x64_sys_sendto+0xde/0x100 [ 314.211183][ C0] do_syscall_64+0xf3/0x230 [ 314.216052][ C0] ? clear_bhb_loop+0x35/0x90 [ 314.220824][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 314.226867][ C0] RIP: 0033:0x7f8119db793c [ 314.231371][ C0] RSP: 002b:00007fffc3041a80 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 314.239962][ C0] RAX: ffffffffffffffda RBX: 00007f8119e3e320 RCX: 00007f8119db793c [ 314.248089][ C0] RDX: 0000000000000024 RSI: 00007f8119e3e370 RDI: 0000000000000003 [ 314.256200][ C0] RBP: 0000000000000000 R08: 00007fffc3041ad4 R09: 000000000000000c [ 314.264225][ C0] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 314.272336][ C0] R13: 0000000000000000 R14: 00007f8119e3e370 R15: 0000000000000000 [ 314.280528][ C0] [ 314.283631][ C0] [ 314.283631][ C0] Showing all locks held in the system: [ 314.291526][ C0] 3 locks held by kworker/u8:0/11: [ 314.296815][ C0] 3 locks held by kworker/u8:2/35: [ 314.301978][ C0] #0: ffff88802af4c948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 314.313842][ C0] #1: ffffc90000ab7d00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 314.326944][ C0] #2: ffffffff8fc81d48 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xd0/0x16f0 [ 314.336658][ C0] 3 locks held by kworker/1:1/46: [ 314.341744][ C0] 3 locks held by kworker/u8:3/52: [ 314.346994][ C0] 6 locks held by kworker/u8:4/81: [ 314.352161][ C0] 3 locks held by kworker/u8:5/350: [ 314.357550][ C0] 3 locks held by kworker/u8:6/2571: [ 314.362885][ C0] 3 locks held by kworker/u8:7/2918: [ 314.368312][ C0] 3 locks held by kworker/u8:8/2958: [ 314.373665][ C0] 2 locks held by syslogd/4661: [ 314.378692][ C0] 1 lock held by udevd/4679: [ 314.383343][ C0] 2 locks held by getty/4976: [ 314.388194][ C0] #0: ffff88802b6970a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 314.398334][ C0] #1: ffffc90002f062f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 [ 314.408778][ C0] 1 lock held by syz-executor243/5247: [ 314.414322][ C0] 5 locks held by syz-executor243/5248: [ 314.420048][ C0] 3 locks held by kworker/1:3/5289: [ 314.425374][ C0] 3 locks held by kworker/1:6/5292: [ 314.430617][ C0] 3 locks held by kworker/0:5/5320: [ 314.435990][ C0] 2 locks held by udevd/5326: [ 314.440822][ C0] 3 locks held by kworker/1:8/5338: [ 314.446150][ C0] 1 lock held by syz-executor243/5339: [ 314.451651][ C0] 1 lock held by udevd/5341: [ 314.456368][ C0] [ 314.458738][ C0] ============================================= [ 314.458738][ C0] [ 315.474737][ C0] DEBUG: waiting rtnl_mutex for 859 jiffies. [ 315.480824][ C0] task:kworker/u8:2 state:D stack:22152 pid:35 tgid:35 ppid:2 flags:0x00004000 [ 315.491187][ C0] Workqueue: ipv6_addrconf addrconf_dad_work [ 315.497337][ C0] Call Trace: [ 315.500671][ C0] [ 315.503638][ C0] __schedule+0x1800/0x4a60 [ 315.508351][ C0] ? __pfx___schedule+0x10/0x10 [ 315.513288][ C0] ? __pfx_lock_release+0x10/0x10 [ 315.518470][ C0] ? __mutex_trylock_common+0x92/0x2e0 [ 315.523996][ C0] ? kthread_data+0x52/0xd0 [ 315.528657][ C0] ? schedule+0x90/0x320 [ 315.532964][ C0] ? wq_worker_sleeping+0x66/0x240 [ 315.538227][ C0] ? schedule+0x90/0x320 [ 315.542547][ C0] schedule+0x14b/0x320 [ 315.546934][ C0] schedule_preempt_disabled+0x13/0x30 [ 315.552478][ C0] __mutex_lock+0x6a4/0xd70 [ 315.557130][ C0] ? mark_lock+0x9a/0x360 [ 315.561537][ C0] ? __mutex_lock+0x527/0xd70 [ 315.566351][ C0] ? addrconf_dad_work+0xd0/0x16f0 [ 315.571528][ C0] ? __pfx___mutex_lock+0x10/0x10 [ 315.576732][ C0] ? get_rtnl_holder+0x144/0x190 [ 315.581743][ C0] addrconf_dad_work+0xd0/0x16f0 [ 315.586878][ C0] ? __pfx_addrconf_dad_work+0x10/0x10 [ 315.592422][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 315.598927][ C0] ? process_scheduled_works+0x945/0x1830 [ 315.604791][ C0] process_scheduled_works+0xa2c/0x1830 [ 315.610488][ C0] ? __pfx_process_scheduled_works+0x10/0x10 [ 315.616664][ C0] ? assign_work+0x364/0x3d0 [ 315.621362][ C0] worker_thread+0x86d/0xd40 [ 315.626154][ C0] ? __kthread_parkme+0x169/0x1d0 [ 315.631250][ C0] ? __pfx_worker_thread+0x10/0x10 [ 315.636515][ C0] kthread+0x2f0/0x390 [ 315.640662][ C0] ? __pfx_worker_thread+0x10/0x10 [ 315.645899][ C0] ? __pfx_kthread+0x10/0x10 [ 315.650583][ C0] ret_from_fork+0x4b/0x80 [ 315.655196][ C0] ? __pfx_kthread+0x10/0x10 [ 315.659949][ C0] ret_from_fork_asm+0x1a/0x30 [ 315.665041][ C0] [ 315.668166][ C0] DEBUG: holding rtnl_mutex for 968 jiffies. [ 315.674212][ C0] task:syz-executor243 state:R running task stack:19920 pid:5248 tgid:5248 ppid:5241 flags:0x00004002 [ 315.686590][ C0] Call Trace: [ 315.689953][ C0] [ 315.693009][ C0] __schedule+0x1800/0x4a60 [ 315.697729][ C0] ? __pfx___schedule+0x10/0x10 [ 315.702675][ C0] ? mark_lock+0x9a/0x360 [ 315.707172][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 315.713580][ C0] ? preempt_schedule+0xe1/0xf0 [ 315.718580][ C0] preempt_schedule_common+0x84/0xd0 [ 315.723993][ C0] ? __kasan_slab_alloc+0x66/0x80 [ 315.729203][ C0] ? unwind_get_return_address+0x5d/0xc0 [ 315.735453][ C0] ? preempt_schedule_thunk+0x1a/0x30 [ 315.740941][ C0] ? rcu_read_lock_sched_held+0x8d/0x130 [ 315.746682][ C0] ? validate_chain+0x15c0/0x5920 [ 315.751790][ C0] ? validate_chain+0x11e/0x5920 [ 315.756905][ C0] ? __pfx_validate_chain+0x10/0x10 [ 315.762232][ C0] ? __pfx_validate_chain+0x10/0x10 [ 315.767561][ C0] ? validate_chain+0x11e/0x5920 [ 315.772657][ C0] ? __pfx_validate_chain+0x10/0x10 [ 315.778026][ C0] ? validate_chain+0x11e/0x5920 [ 315.783067][ C0] ? __pfx_validate_chain+0x10/0x10 [ 315.788452][ C0] ? __pfx_validate_chain+0x10/0x10 [ 315.793754][ C0] ? validate_chain+0x11e/0x5920 [ 315.798838][ C0] ? validate_chain+0x11e/0x5920 [ 315.803890][ C0] ? __pfx_validate_chain+0x10/0x10 [ 315.809281][ C0] ? __pfx_validate_chain+0x10/0x10 [ 315.814674][ C0] ? __lock_acquire+0x1384/0x2050 [ 315.819853][ C0] ? validate_chain+0x11e/0x5920 [ 315.824947][ C0] ? __pfx_validate_chain+0x10/0x10 [ 315.830272][ C0] ? mark_lock+0x9a/0x360 [ 315.834780][ C0] ? mark_lock+0x9a/0x360 [ 315.839225][ C0] ? __lock_acquire+0x1384/0x2050 [ 315.844432][ C0] ? __pfx_lock_acquire+0x10/0x10 [ 315.849627][ C0] ? psi_task_switch+0x441/0x770 [ 315.854726][ C0] ? __pfx_lock_release+0x10/0x10 [ 315.859862][ C0] ? rcu_is_watching+0x15/0xb0 [ 315.864779][ C0] ? trace_pelt_se_tp+0x3d/0x140 [ 315.869899][ C0] ? __schedule+0x17bc/0x4a60 [ 315.874688][ C0] ? __pfx_lock_release+0x10/0x10 [ 315.879820][ C0] ? __schedule+0x1800/0x4a60 [ 315.884728][ C0] ? __pfx___schedule+0x10/0x10 [ 315.889710][ C0] ? __pfx_lock_release+0x10/0x10 [ 315.894942][ C0] ? __mutex_trylock_common+0x92/0x2e0 [ 315.900542][ C0] ? schedule+0x90/0x320 [ 315.904979][ C0] ? schedule+0x14b/0x320 [ 315.909419][ C0] ? schedule_preempt_disabled+0x13/0x30 [ 315.915217][ C0] ? __mutex_lock+0x6a4/0xd70 [ 315.920010][ C0] ? __mutex_lock+0x527/0xd70 [ 315.924862][ C0] ? nl80211_pre_doit+0x5f/0x8b0 [ 315.929883][ C0] ? __pfx___mutex_lock+0x10/0x10 [ 315.935066][ C0] ? genl_family_rcv_msg_attrs_parse+0xa3/0x290 [ 315.941511][ C0] ? get_rtnl_holder+0x144/0x190 [ 315.946692][ C0] ? nl80211_pre_doit+0x5f/0x8b0 [ 315.951757][ C0] ? genl_rcv_msg+0xaaa/0xec0 [ 315.956632][ C0] ? mark_lock+0x9a/0x360 [ 315.961080][ C0] ? __pfx_genl_rcv_msg+0x10/0x10 [ 315.966359][ C0] ? __pfx_lock_acquire+0x10/0x10 [ 315.971475][ C0] ? __pfx_nl80211_pre_doit+0x10/0x10 [ 315.977025][ C0] ? __pfx_nl80211_join_ibss+0x10/0x10 [ 315.982609][ C0] ? __pfx_nl80211_post_doit+0x10/0x10 [ 315.988231][ C0] ? __pfx___might_resched+0x10/0x10 [ 315.993690][ C0] ? netlink_rcv_skb+0x1e3/0x430 [ 315.998817][ C0] ? __pfx_genl_rcv_msg+0x10/0x10 [ 316.003934][ C0] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 316.009453][ C0] ? __netlink_deliver_tap+0x77e/0x7c0 [ 316.015161][ C0] ? genl_rcv+0x28/0x40 [ 316.019426][ C0] ? netlink_unicast+0x7f6/0x990 [ 316.024573][ C0] ? __pfx_netlink_unicast+0x10/0x10 [ 316.029971][ C0] ? __virt_addr_valid+0x183/0x530 [ 316.035272][ C0] ? __check_object_size+0x49c/0x900 [ 316.040691][ C0] ? bpf_lsm_netlink_send+0x9/0x10 [ 316.046018][ C0] ? netlink_sendmsg+0x8e4/0xcb0 [ 316.051099][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 316.056573][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 316.062663][ C0] ? aa_sock_msg_perm+0x91/0x160 [ 316.067754][ C0] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 316.073129][ C0] ? security_socket_sendmsg+0x87/0xb0 [ 316.078770][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 316.084182][ C0] ? __sock_sendmsg+0x221/0x270 [ 316.089229][ C0] ? __sys_sendto+0x3a4/0x4f0 [ 316.094019][ C0] ? __pfx___sys_sendto+0x10/0x10 [ 316.099303][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 316.105487][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 316.112003][ C0] ? __x64_sys_sendto+0xde/0x100 [ 316.117080][ C0] ? do_syscall_64+0xf3/0x230 [ 316.121840][ C0] ? clear_bhb_loop+0x35/0x90 [ 316.126699][ C0] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 316.132912][ C0] [ 316.136125][ C0] [ 316.136125][ C0] Showing all locks held in the system: [ 316.143922][ C0] 3 locks held by kworker/u8:0/11: [ 316.149220][ C0] 3 locks held by kworker/u8:1/12: [ 316.154428][ C0] 3 locks held by kworker/u8:2/35: [ 316.159694][ C0] #0: ffff88802af4c948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 316.171484][ C0] #1: ffffc90000ab7d00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 316.184585][ C0] #2: ffffffff8fc81d48 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xd0/0x16f0 [ 316.194276][ C0] 5 locks held by kworker/u8:3/52: [ 316.199667][ C0] 3 locks held by kworker/u8:6/2571: [ 316.205128][ C0] 1 lock held by syslogd/4661: [ 316.210003][ C0] 1 lock held by udevd/4679: [ 316.214784][ C0] 2 locks held by getty/4976: [ 316.219581][ C0] #0: ffff88802b6970a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 316.229649][ C0] #1: ffffc90002f062f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 [ 316.240072][ C0] 1 lock held by syz-executor243/5247: [ 316.245721][ C0] #0: ffffffff8e93ce38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x381/0x830 [ 316.256947][ C0] 2 locks held by syz-executor243/5246: [ 316.262650][ C0] 2 locks held by syz-executor243/5248: [ 316.268415][ C0] #0: ffffffff8fce77f0 (cb_lock){++++}-{3:3}, at: genl_rcv+0x19/0x40 [ 316.276958][ C0] #1: ffffffff8fc81d48 (rtnl_mutex){+.+.}-{3:3}, at: nl80211_pre_doit+0x5f/0x8b0 [ 316.286987][ C0] 3 locks held by kworker/u8:9/5332: [ 316.292369][ C0] 2 locks held by kworker/u8:11/5337: [ 316.297956][ C0] 4 locks held by kworker/1:8/5338: [ 316.303229][ C0] #0: ffff888015880948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 316.314567][ C0] #1: ffffc90003a0fd00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 316.325810][ C0] #2: ffffffff8fc81d48 (rtnl_mutex){+.+.}-{3:3}, at: linkwatch_event+0xe/0x60 [ 316.335112][ C0] #3: ffffffff8e93ce38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x451/0x830 [ 316.346265][ C0] 3 locks held by kworker/0:8/5343: [ 316.351628][ C0] [ 316.354058][ C0] ============================================= [ 316.354058][ C0] [ 316.470376][ T5332] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 316.728447][ T5332] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 executing program [ 317.329183][ T1270] ieee802154 phy0 wpan0: encryption failed: -22 [ 317.335666][ T1270] ieee802154 phy1 wpan1: encryption failed: -22 [ 322.594555][ C0] DEBUG: waiting rtnl_mutex for 585 jiffies. [ 322.600624][ C0] task:kworker/1:8 state:D stack:23696 pid:5338 tgid:5338 ppid:2 flags:0x00004000 [ 322.610979][ C0] Workqueue: events linkwatch_event [ 322.616321][ C0] Call Trace: [ 322.619667][ C0] [ 322.622656][ C0] __schedule+0x1800/0x4a60 [ 322.627464][ C0] ? __pfx___schedule+0x10/0x10 [ 322.632386][ C0] ? __pfx_lock_release+0x10/0x10 [ 322.637598][ C0] ? preempt_schedule_thunk+0x1a/0x30 [ 322.643049][ C0] ? schedule+0x90/0x320 [ 322.647439][ C0] schedule+0x14b/0x320 [ 322.651666][ C0] schedule_preempt_disabled+0x13/0x30 [ 322.657298][ C0] __mutex_lock+0x6a4/0xd70 [ 322.661867][ C0] ? __mutex_lock+0x527/0xd70 [ 322.666699][ C0] ? linkwatch_event+0xe/0x60 [ 322.671444][ C0] ? __pfx___mutex_lock+0x10/0x10 [ 322.676646][ C0] ? get_rtnl_holder+0x144/0x190 [ 322.681692][ C0] ? process_scheduled_works+0x945/0x1830 [ 322.687576][ C0] linkwatch_event+0xe/0x60 [ 322.692150][ C0] process_scheduled_works+0xa2c/0x1830 [ 322.697912][ C0] ? __pfx_process_scheduled_works+0x10/0x10 [ 322.704002][ C0] ? assign_work+0x364/0x3d0 [ 322.708766][ C0] worker_thread+0x86d/0xd40 [ 322.713452][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 322.719500][ C0] ? __kthread_parkme+0x169/0x1d0 [ 322.724683][ C0] ? __pfx_worker_thread+0x10/0x10 [ 322.729866][ C0] kthread+0x2f0/0x390 [ 322.734000][ C0] ? __pfx_worker_thread+0x10/0x10 [ 322.739271][ C0] ? __pfx_kthread+0x10/0x10 [ 322.743920][ C0] ret_from_fork+0x4b/0x80 [ 322.748484][ C0] ? __pfx_kthread+0x10/0x10 [ 322.753127][ C0] ret_from_fork_asm+0x1a/0x30 [ 322.758074][ C0] [ 322.761137][ C0] DEBUG: holding rtnl_mutex for 594 jiffies. [ 322.767247][ C0] task:kworker/u8:13 state:R running task stack:24152 pid:5344 tgid:5344 ppid:2 flags:0x00004000 [ 322.779193][ C0] Workqueue: ipv6_addrconf addrconf_dad_work [ 322.785355][ C0] Call Trace: [ 322.788692][ C0] [ 322.791686][ C0] __schedule+0x1800/0x4a60 [ 322.796383][ C0] ? geneve_xmit+0x2227/0x2cd0 [ 322.801212][ C0] ? kmem_cache_free+0x145/0x350 [ 322.806302][ C0] ? __pfx___schedule+0x10/0x10 [ 322.811220][ C0] ? geneve_xmit+0x2298/0x2cd0 [ 322.816139][ C0] ? mark_lock+0x9a/0x360 [ 322.820580][ C0] ? preempt_schedule+0xe1/0xf0 [ 322.825592][ C0] preempt_schedule_common+0x84/0xd0 [ 322.830954][ C0] preempt_schedule+0xe1/0xf0 [ 322.835784][ C0] ? __pfx_preempt_schedule+0x10/0x10 [ 322.841232][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 322.847363][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 322.853765][ C0] preempt_schedule_thunk+0x1a/0x30 [ 322.859109][ C0] ? mark_lock+0x9a/0x360 [ 322.863511][ C0] __local_bh_enable_ip+0x179/0x200 [ 322.868869][ C0] ? dev_hard_start_xmit+0x773/0x7e0 [ 322.874233][ C0] ? __dev_queue_xmit+0x2da/0x3e90 [ 322.879493][ C0] ? __pfx___local_bh_enable_ip+0x10/0x10 [ 322.885406][ C0] ? __dev_queue_xmit+0x2da/0x3e90 [ 322.890599][ C0] __dev_queue_xmit+0x1763/0x3e90 [ 322.895906][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 322.901966][ C0] ? __dev_queue_xmit+0x2da/0x3e90 [ 322.907250][ C0] ? __pfx___dev_queue_xmit+0x10/0x10 [ 322.912857][ C0] ? neigh_resolve_output+0x450/0x740 [ 322.918408][ C0] ? read_seqbegin+0x157/0x2b0 [ 322.923251][ C0] ? lockdep_hardirqs_on+0x99/0x150 [ 322.928620][ C0] ? read_seqbegin+0x208/0x2b0 [ 322.933468][ C0] ? __pfx_read_seqbegin+0x10/0x10 [ 322.938740][ C0] ? neigh_resolve_output+0x2e5/0x740 [ 322.944227][ C0] ? eth_header+0x11c/0x1f0 [ 322.948993][ C0] ? __asan_memcpy+0x40/0x70 [ 322.953689][ C0] ? eth_header+0x11c/0x1f0 [ 322.958390][ C0] ? __pfx_eth_header+0x10/0x10 [ 322.963321][ C0] ? neigh_resolve_output+0x61f/0x740 [ 322.968900][ C0] ip6_finish_output2+0xffa/0x1680 [ 322.974124][ C0] ? ip6_finish_output2+0x712/0x1680 [ 322.979553][ C0] ? nf_hook+0x9e/0x450 [ 322.983776][ C0] ? __pfx_ip6_finish_output2+0x10/0x10 [ 322.989518][ C0] ? ip6_mtu+0x81/0x3f0 [ 322.993759][ C0] ip6_finish_output+0x41e/0x810 [ 322.998886][ C0] ndisc_send_skb+0xab2/0x1380 [ 323.003715][ C0] ? ndisc_send_skb+0x574/0x1380 [ 323.008845][ C0] ? __pfx_ndisc_send_skb+0x10/0x10 [ 323.014128][ C0] ? __pfx_dst_output+0x10/0x10 [ 323.019136][ C0] ? __pfx_ndisc_ns_create+0x10/0x10 [ 323.024606][ C0] ndisc_send_ns+0xcc/0x160 [ 323.029200][ C0] ? __pfx_ndisc_send_ns+0x10/0x10 [ 323.034411][ C0] addrconf_dad_work+0xb45/0x16f0 [ 323.039618][ C0] ? __pfx_addrconf_dad_work+0x10/0x10 [ 323.045233][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 323.051673][ C0] ? process_scheduled_works+0x945/0x1830 [ 323.057541][ C0] process_scheduled_works+0xa2c/0x1830 [ 323.063281][ C0] ? __pfx_process_scheduled_works+0x10/0x10 [ 323.069447][ C0] ? assign_work+0x364/0x3d0 [ 323.074113][ C0] worker_thread+0x86d/0xd40 [ 323.078894][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 323.084953][ C0] ? __kthread_parkme+0x169/0x1d0 [ 323.090084][ C0] ? __pfx_worker_thread+0x10/0x10 [ 323.095362][ C0] kthread+0x2f0/0x390 [ 323.099495][ C0] ? __pfx_worker_thread+0x10/0x10 [ 323.104757][ C0] ? __pfx_kthread+0x10/0x10 [ 323.109407][ C0] ret_from_fork+0x4b/0x80 [ 323.113898][ C0] ? __pfx_kthread+0x10/0x10 [ 323.118637][ C0] ret_from_fork_asm+0x1a/0x30 [ 323.123514][ C0] [ 323.126675][ C0] [ 323.126675][ C0] Showing all locks held in the system: [ 323.134429][ C0] 3 locks held by kworker/u8:0/11: [ 323.139796][ C0] 2 locks held by kworker/u8:6/2571: [ 323.145258][ C0] 2 locks held by getty/4976: [ 323.150046][ C0] #0: ffff88802b6970a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 323.160123][ C0] #1: ffffc90002f062f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 [ 323.170553][ C0] 1 lock held by syz-executor243/5247: [ 323.176127][ C0] 2 locks held by syz-executor243/5248: [ 323.181733][ C0] 3 locks held by kworker/1:7/5293: [ 323.187078][ C0] 6 locks held by kworker/u8:9/5332: [ 323.192424][ C0] 3 locks held by kworker/u8:11/5337: [ 323.197929][ C0] 3 locks held by kworker/1:8/5338: [ 323.203182][ C0] #0: ffff888015880948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 323.214461][ C0] #1: ffffc90003a0fd00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 323.225704][ C0] #2: ffffffff8fc81d48 (rtnl_mutex){+.+.}-{3:3}, at: linkwatch_event+0xe/0x60 [ 323.234962][ C0] 3 locks held by udevd/5341: [ 323.239686][ C0] 2 locks held by kworker/0:8/5343: [ 323.245018][ C0] 5 locks held by kworker/u8:13/5344: [ 323.250428][ C0] [ 323.252799][ C0] ============================================= [ 323.252799][ C0] [ 329.476295][ C0] DEBUG: holding rtnl_mutex for 594 jiffies. [ 329.482398][ C0] task:syz-executor243 state:R running task stack:19920 pid:5248 tgid:5248 ppid:5241 flags:0x00004002 [ 329.494348][ C0] Call Trace: [ 329.497749][ C0] [ 329.500735][ C0] __schedule+0x1800/0x4a60 [ 329.505385][ C0] ? __pfx___schedule+0x10/0x10 [ 329.510333][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 329.516493][ C0] ? __x64_sys_sendto+0xde/0x100 [ 329.521521][ C0] ? preempt_schedule_irq+0xf0/0x1c0 [ 329.526954][ C0] preempt_schedule_irq+0xfb/0x1c0 [ 329.532132][ C0] ? __pfx_preempt_schedule_irq+0x10/0x10 [ 329.538053][ C0] irqentry_exit+0x5e/0x90 [ 329.542580][ C0] asm_sysvec_reschedule_ipi+0x1a/0x20 [ 329.548183][ C0] RIP: 0010:minstrel_ht_alloc+0x299/0x860 [ 329.553970][ C0] Code: 4c 24 08 45 31 ed 4c 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0 0f 85 f1 00 00 00 41 8b 6c 24 fc 21 dd 89 ef 89 de e8 17 f5 48 f6 <39> dd 75 4c 49 8d 7f 04 48 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0 [ 329.573727][ C0] RSP: 0018:ffffc90003606f20 EFLAGS: 00000293 [ 329.579939][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff8880265b3c00 [ 329.588043][ C0] RDX: ffff8880265b3c00 RSI: 0000000000000000 RDI: 0000000000000000 [ 329.596148][ C0] RBP: 0000000000000000 R08: ffffffff8b4ad809 R09: ffffffff8b4ad839 [ 329.604170][ C0] R10: 0000000000000004 R11: ffff8880265b3c00 R12: ffff8880163bdc90 [ 329.612288][ C0] R13: 0000000000000007 R14: dffffc0000000000 R15: ffff8880163bdc8c [ 329.620400][ C0] ? minstrel_ht_alloc+0x2c9/0x860 [ 329.625664][ C0] ? minstrel_ht_alloc+0x299/0x860 [ 329.630906][ C0] ieee80211_init_rate_ctrl_alg+0x478/0x620 [ 329.636972][ C0] ieee80211_register_hw+0x2c73/0x3e10 [ 329.642535][ C0] ? ieee80211_register_hw+0x14f1/0x3e10 [ 329.648369][ C0] ? __pfx_ieee80211_register_hw+0x10/0x10 [ 329.654303][ C0] ? __asan_memset+0x23/0x50 [ 329.659046][ C0] ? __hrtimer_init+0x170/0x250 [ 329.663968][ C0] mac80211_hwsim_new_radio+0x2a9f/0x4a90 [ 329.669940][ C0] ? __pfx_mac80211_hwsim_new_radio+0x10/0x10 [ 329.676200][ C0] hwsim_new_radio_nl+0xece/0x2290 [ 329.681423][ C0] ? __pfx___nla_validate_parse+0x10/0x10 [ 329.687342][ C0] ? __pfx_hwsim_new_radio_nl+0x10/0x10 [ 329.693033][ C0] ? genl_family_rcv_msg_attrs_parse+0x1d1/0x290 [ 329.699524][ C0] genl_rcv_msg+0xb14/0xec0 [ 329.704102][ C0] ? mark_lock+0x9a/0x360 [ 329.708622][ C0] ? __pfx_genl_rcv_msg+0x10/0x10 [ 329.713796][ C0] ? __pfx_lock_acquire+0x10/0x10 [ 329.718976][ C0] ? __pfx_hwsim_new_radio_nl+0x10/0x10 [ 329.724681][ C0] ? __pfx___might_resched+0x10/0x10 [ 329.730077][ C0] netlink_rcv_skb+0x1e3/0x430 [ 329.735010][ C0] ? __pfx_genl_rcv_msg+0x10/0x10 [ 329.740109][ C0] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 329.745516][ C0] ? __netlink_deliver_tap+0x77e/0x7c0 [ 329.751066][ C0] genl_rcv+0x28/0x40 [ 329.755209][ C0] netlink_unicast+0x7f6/0x990 [ 329.760087][ C0] ? __pfx_netlink_unicast+0x10/0x10 [ 329.765533][ C0] ? __virt_addr_valid+0x183/0x530 [ 329.770719][ C0] ? __check_object_size+0x49c/0x900 [ 329.776150][ C0] ? bpf_lsm_netlink_send+0x9/0x10 [ 329.781347][ C0] netlink_sendmsg+0x8e4/0xcb0 [ 329.786305][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 329.791665][ C0] ? aa_sock_msg_perm+0x91/0x160 [ 329.796759][ C0] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 329.802106][ C0] ? security_socket_sendmsg+0x87/0xb0 [ 329.807705][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 329.813052][ C0] __sock_sendmsg+0x221/0x270 [ 329.817907][ C0] __sys_sendto+0x3a4/0x4f0 [ 329.822482][ C0] ? __pfx___sys_sendto+0x10/0x10 [ 329.827725][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 329.833803][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 329.840305][ C0] __x64_sys_sendto+0xde/0x100 [ 329.845251][ C0] do_syscall_64+0xf3/0x230 [ 329.849825][ C0] ? clear_bhb_loop+0x35/0x90 [ 329.854668][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 329.860621][ C0] RIP: 0033:0x7f8119db793c [ 329.865162][ C0] RSP: 002b:00007fffc3041a80 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 329.873662][ C0] RAX: ffffffffffffffda RBX: 00007f8119e3e320 RCX: 00007f8119db793c [ 329.881769][ C0] RDX: 0000000000000024 RSI: 00007f8119e3e370 RDI: 0000000000000003 [ 329.889844][ C0] RBP: 0000000000000000 R08: 00007fffc3041ad4 R09: 000000000000000c [ 329.897953][ C0] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 329.906052][ C0] R13: 0000000000000000 R14: 00007f8119e3e370 R15: 0000000000000000 [ 329.914129][ C0] [ 329.917290][ C0] [ 329.917290][ C0] Showing all locks held in the system: [ 329.925152][ C0] 3 locks held by kworker/u8:0/11: [ 329.930327][ C0] 3 locks held by kworker/u8:1/12: [ 329.935568][ C0] 3 locks held by kworker/u8:2/35: [ 329.940803][ C0] 6 locks held by kworker/u8:4/81: [ 329.946130][ C0] 3 locks held by kworker/u8:6/2571: [ 329.951471][ C0] 3 locks held by kworker/u8:7/2918: [ 329.956884][ C0] #0: ffff88802af4c948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 329.968770][ C0] #1: ffffc90009d47d00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 329.981851][ C0] #2: ffffffff8fc81d48 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xd0/0x16f0 [ 329.991571][ C0] 2 locks held by jbd2/sda1-8/4642: [ 329.996888][ C0] 1 lock held by syslogd/4661: [ 330.001699][ C0] 1 lock held by udevd/4679: [ 330.006436][ C0] 2 locks held by getty/4976: [ 330.011161][ C0] #0: ffff88802b6970a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 330.021246][ C0] #1: ffffc90002f062f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 [ 330.031643][ C0] 3 locks held by syz-executor243/5247: [ 330.037317][ C0] #0: ffff888046408420 (sb_writers#10){.+.+}-{0:0}, at: vfs_write+0x227/0xc90 [ 330.046627][ C0] #1: ffff8880468c3488 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x1eb/0x500 [ 330.056666][ C0] #2: ffffffff8e965b68 (cgroup_mutex){+.+.}-{3:3}, at: cgroup_kn_lock_live+0xe6/0x290 [ 330.066593][ C0] 3 locks held by syz-executor243/5246: [ 330.072184][ C0] 3 locks held by syz-executor243/5248: [ 330.077924][ C0] 3 locks held by kworker/u8:9/5332: [ 330.083260][ C0] 4 locks held by kworker/u8:11/5337: [ 330.088755][ C0] 3 locks held by kworker/1:8/5338: [ 330.093992][ C0] 3 locks held by udevd/5341: [ 330.098796][ C0] 3 locks held by kworker/u8:12/5342: [ 330.104217][ C0] 2 locks held by kworker/0:8/5343: [ 330.109541][ C0] 3 locks held by kworker/u8:13/5344: [ 330.115043][ C0] [ 330.117435][ C0] ============================================= [ 330.117435][ C0] [ 331.154753][ C0] DEBUG: holding rtnl_mutex for 762 jiffies. [ 331.160839][ C0] task:syz-executor243 state:R running task stack:19920 pid:5248 tgid:5248 ppid:5241 flags:0x00004002 [ 331.172765][ C0] Call Trace: [ 331.176246][ C0] [ 331.179286][ C0] __schedule+0x1800/0x4a60 [ 331.183932][ C0] ? __pfx___schedule+0x10/0x10 [ 331.188962][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 331.195116][ C0] ? __x64_sys_sendto+0xde/0x100 [ 331.200190][ C0] ? preempt_schedule_irq+0xf0/0x1c0 [ 331.205662][ C0] preempt_schedule_irq+0xfb/0x1c0 [ 331.210882][ C0] ? __pfx_preempt_schedule_irq+0x10/0x10 [ 331.216796][ C0] irqentry_exit+0x5e/0x90 [ 331.221302][ C0] asm_sysvec_reschedule_ipi+0x1a/0x20 [ 331.226942][ C0] RIP: 0010:minstrel_ht_alloc+0x299/0x860 [ 331.232777][ C0] Code: 4c 24 08 45 31 ed 4c 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0 0f 85 f1 00 00 00 41 8b 6c 24 fc 21 dd 89 ef 89 de e8 17 f5 48 f6 <39> dd 75 4c 49 8d 7f 04 48 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0 [ 331.252502][ C0] RSP: dc9b:0000000000000007 EFLAGS: 00000007 ORIG_RAX: ffffc90003606e70 [ 331.252545][ C0] ================================================================== [ 331.252555][ C0] BUG: KASAN: stack-out-of-bounds in __show_regs+0xc1/0x610 [ 331.252584][ C0] Read of size 8 at addr ffffc90003606ea0 by task swapper/0/0 [ 331.283906][ C0] [ 331.286283][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.11.0-rc1-next-20240729-syzkaller #0 [ 331.296130][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 331.306211][ C0] Call Trace: [ 331.309512][ C0] [ 331.312377][ C0] dump_stack_lvl+0x241/0x360 [ 331.317086][ C0] ? __pfx_dump_stack_lvl+0x10/0x10 [ 331.322316][ C0] ? __pfx__printk+0x10/0x10 [ 331.326954][ C0] ? _printk+0xd5/0x120 [ 331.331149][ C0] print_report+0x169/0x550 [ 331.335685][ C0] ? __virt_addr_valid+0xbd/0x530 [ 331.340740][ C0] ? __show_regs+0xc1/0x610 [ 331.345273][ C0] kasan_report+0x143/0x180 [ 331.349815][ C0] ? show_opcodes+0x148/0x170 [ 331.354529][ C0] ? __show_regs+0xc1/0x610 [ 331.359061][ C0] __show_regs+0xc1/0x610 [ 331.363399][ C0] ? asm_sysvec_reschedule_ipi+0x1a/0x20 [ 331.369056][ C0] ? wq_watchdog_touch+0xef/0x180 [ 331.374085][ C0] ? asm_sysvec_reschedule_ipi+0x1a/0x20 [ 331.379715][ C0] show_trace_log_lvl+0x3d4/0x520 [ 331.384776][ C0] ? minstrel_ht_alloc+0x299/0x860 [ 331.389914][ C0] sched_show_task+0x506/0x6d0 [ 331.394685][ C0] ? report_rtnl_holders+0x2a5/0x400 [ 331.399974][ C0] ? __pfx__printk+0x10/0x10 [ 331.404567][ C0] ? __pfx_sched_show_task+0x10/0x10 [ 331.409857][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 331.415756][ C0] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 331.422087][ C0] report_rtnl_holders+0x327/0x400 [ 331.427202][ C0] call_timer_fn+0x18e/0x650 [ 331.431785][ C0] ? __pfx_report_rtnl_holders+0x10/0x10 [ 331.437417][ C0] ? call_timer_fn+0xc0/0x650 [ 331.442084][ C0] ? __pfx_report_rtnl_holders+0x10/0x10 [ 331.447716][ C0] ? __pfx_call_timer_fn+0x10/0x10 [ 331.452822][ C0] ? __pfx_report_rtnl_holders+0x10/0x10 [ 331.458461][ C0] ? __pfx_report_rtnl_holders+0x10/0x10 [ 331.464098][ C0] ? __pfx_report_rtnl_holders+0x10/0x10 [ 331.469733][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 331.474932][ C0] ? lockdep_hardirqs_on+0x99/0x150 [ 331.480129][ C0] ? __pfx_report_rtnl_holders+0x10/0x10 [ 331.485761][ C0] __run_timer_base+0x66a/0x8e0 [ 331.490619][ C0] ? __pfx___run_timer_base+0x10/0x10 [ 331.496007][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 331.502348][ C0] run_timer_softirq+0xb7/0x170 [ 331.507198][ C0] handle_softirqs+0x2c4/0x970 [ 331.511962][ C0] ? __irq_exit_rcu+0xf4/0x1c0 [ 331.516725][ C0] ? __pfx_handle_softirqs+0x10/0x10 [ 331.522013][ C0] ? irqtime_account_irq+0xd4/0x1e0 [ 331.527217][ C0] __irq_exit_rcu+0xf4/0x1c0 [ 331.531807][ C0] ? __pfx___irq_exit_rcu+0x10/0x10 [ 331.537008][ C0] irq_exit_rcu+0x9/0x30 [ 331.541264][ C0] sysvec_apic_timer_interrupt+0xa6/0xc0 [ 331.546906][ C0] [ 331.549830][ C0] [ 331.552754][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 331.558729][ C0] RIP: 0010:flush_smp_call_function_queue+0x23f/0x2a0 [ 331.565489][ C0] Code: 00 4d 85 f6 75 16 e8 40 4f 0c 00 eb 15 e8 39 4f 0c 00 e8 c4 19 32 0a 4d 85 f6 74 ea e8 2a 4f 0c 00 fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 27 00 00 00 00 66 43 c7 44 27 09 00 00 43 c6 44 27 0b 00 [ 331.585092][ C0] RSP: 0018:ffffffff8e607cc0 EFLAGS: 00000293 [ 331.591178][ C0] RAX: ffffffff81877c36 RBX: 0000000000000000 RCX: ffffffff8e694680 [ 331.599151][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 331.607139][ C0] RBP: ffffffff8e607d70 R08: ffffffff81877c0c R09: 1ffffffff202faed [ 331.615111][ C0] R10: dffffc0000000000 R11: fffffbfff202faee R12: 1ffffffff1cc0f98 [ 331.623079][ C0] R13: 0000000000000046 R14: 0000000000000200 R15: dffffc0000000000 [ 331.631050][ C0] ? flush_smp_call_function_queue+0x20c/0x2a0 [ 331.637229][ C0] ? flush_smp_call_function_queue+0x236/0x2a0 [ 331.643392][ C0] ? __pfx_flush_smp_call_function_queue+0x10/0x10 [ 331.649890][ C0] ? __pfx_tick_nohz_idle_exit+0x10/0x10 [ 331.655528][ C0] do_idle+0x565/0x5d0 [ 331.659614][ C0] ? __pfx_do_idle+0x10/0x10 [ 331.664203][ C0] ? poll_idle+0x40/0xb0 [ 331.668455][ C0] ? rest_init+0x31/0x300 [ 331.672783][ C0] cpu_startup_entry+0x42/0x60 [ 331.677544][ C0] rest_init+0x2dc/0x300 [ 331.681789][ C0] ? __pfx_x86_late_time_init+0x10/0x10 [ 331.687339][ C0] start_kernel+0x47a/0x500 [ 331.691843][ C0] x86_64_start_reservations+0x2a/0x30 [ 331.697305][ C0] x86_64_start_kernel+0x9f/0xa0 [ 331.702246][ C0] common_startup_64+0x13e/0x147 [ 331.707199][ C0] [ 331.710214][ C0] [ 331.712531][ C0] The buggy address belongs to the virtual mapping at [ 331.712531][ C0] [ffffc90003600000, ffffc90003609000) created by: [ 331.712531][ C0] copy_process+0x5d1/0x3d90 [ 331.730190][ C0] [ 331.732509][ C0] The buggy address belongs to the physical page: [ 331.738921][ C0] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x7fbc5 [ 331.747686][ C0] flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) [ 331.754812][ C0] raw: 00fff00000000000 0000000000000000 dead000000000122 0000000000000000 [ 331.763382][ C0] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 331.771957][ C0] page dumped because: kasan: bad access detected [ 331.778362][ C0] page_owner tracks the page as allocated [ 331.784062][ C0] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2dc2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN|__GFP_ZERO), pid 5241, tgid 5241 (syz-executor243), ts 226123633416, free_ts 218311192673 [ 331.803682][ C0] post_alloc_hook+0x1f3/0x230 [ 331.808453][ C0] get_page_from_freelist+0x2e4c/0x2f10 [ 331.813993][ C0] __alloc_pages_noprof+0x256/0x6c0 [ 331.819186][ C0] alloc_pages_mpol_noprof+0x3e8/0x680 [ 331.824641][ C0] __vmalloc_node_range_noprof+0x971/0x1460 [ 331.830532][ C0] dup_task_struct+0x444/0x8c0 [ 331.835294][ C0] copy_process+0x5d1/0x3d90 [ 331.839882][ C0] kernel_clone+0x226/0x8f0 [ 331.844386][ C0] __x64_sys_clone+0x258/0x2a0 [ 331.849148][ C0] do_syscall_64+0xf3/0x230 [ 331.853640][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 331.859523][ C0] page last free pid 5231 tgid 5231 stack trace: [ 331.865834][ C0] free_unref_page+0xd22/0xea0 [ 331.870599][ C0] __folio_put+0x2c8/0x440 [ 331.875005][ C0] pipe_read+0x6f2/0x13e0 [ 331.879343][ C0] vfs_read+0x9bd/0xbc0 [ 331.883495][ C0] ksys_read+0x1a0/0x2c0 [ 331.887777][ C0] do_syscall_64+0xf3/0x230 [ 331.892278][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 331.898178][ C0] [ 331.900495][ C0] Memory state around the buggy address: [ 331.906124][ C0] ffffc90003606d80: 00 f3 f3 f3 f3 f3 f3 f3 00 00 00 00 00 00 00 00 [ 331.914216][ C0] ffffc90003606e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 331.922278][ C0] >ffffc90003606e80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 331.930331][ C0] ^ [ 331.935432][ C0] ffffc90003606f00: f1 f1 f1 f1 00 00 00 00 00 00 00 00 f3 f3 f3 f3 [ 331.943486][ C0] ffffc90003606f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 331.951539][ C0] ================================================================== [ 331.959712][ C0] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 331.966928][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.11.0-rc1-next-20240729-syzkaller #0 [ 331.976780][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 331.986852][ C0] Call Trace: [ 331.990189][ C0] [ 331.993051][ C0] dump_stack_lvl+0x241/0x360 [ 331.997753][ C0] ? __pfx_dump_stack_lvl+0x10/0x10 [ 332.002973][ C0] ? __pfx__printk+0x10/0x10 [ 332.007605][ C0] ? vscnprintf+0x5d/0x90 [ 332.011965][ C0] panic+0x349/0x870 [ 332.015901][ C0] ? check_panic_on_warn+0x21/0xb0 [ 332.021037][ C0] ? __pfx_panic+0x10/0x10 [ 332.025490][ C0] ? mark_lock+0x9a/0x360 [ 332.029854][ C0] ? _raw_spin_unlock_irqrestore+0xd8/0x140 [ 332.035784][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 332.041712][ C0] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 332.048074][ C0] ? print_report+0x502/0x550 [ 332.052780][ C0] check_panic_on_warn+0x86/0xb0 [ 332.057733][ C0] ? __show_regs+0xc1/0x610 [ 332.062238][ C0] end_report+0x77/0x160 [ 332.066485][ C0] kasan_report+0x154/0x180 [ 332.071000][ C0] ? show_opcodes+0x148/0x170 [ 332.075679][ C0] ? __show_regs+0xc1/0x610 [ 332.080181][ C0] __show_regs+0xc1/0x610 [ 332.084505][ C0] ? asm_sysvec_reschedule_ipi+0x1a/0x20 [ 332.090137][ C0] ? wq_watchdog_touch+0xef/0x180 [ 332.095182][ C0] ? asm_sysvec_reschedule_ipi+0x1a/0x20 [ 332.100812][ C0] show_trace_log_lvl+0x3d4/0x520 [ 332.105847][ C0] ? minstrel_ht_alloc+0x299/0x860 [ 332.110975][ C0] sched_show_task+0x506/0x6d0 [ 332.115753][ C0] ? report_rtnl_holders+0x2a5/0x400 [ 332.121079][ C0] ? __pfx__printk+0x10/0x10 [ 332.125676][ C0] ? __pfx_sched_show_task+0x10/0x10 [ 332.130965][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 332.136872][ C0] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 332.143216][ C0] report_rtnl_holders+0x327/0x400 [ 332.148346][ C0] call_timer_fn+0x18e/0x650 [ 332.152933][ C0] ? __pfx_report_rtnl_holders+0x10/0x10 [ 332.158567][ C0] ? call_timer_fn+0xc0/0x650 [ 332.163266][ C0] ? __pfx_report_rtnl_holders+0x10/0x10 [ 332.168896][ C0] ? __pfx_call_timer_fn+0x10/0x10 [ 332.174004][ C0] ? __pfx_report_rtnl_holders+0x10/0x10 [ 332.179636][ C0] ? __pfx_report_rtnl_holders+0x10/0x10 [ 332.185262][ C0] ? __pfx_report_rtnl_holders+0x10/0x10 [ 332.190889][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 332.196090][ C0] ? lockdep_hardirqs_on+0x99/0x150 [ 332.201300][ C0] ? __pfx_report_rtnl_holders+0x10/0x10 [ 332.206953][ C0] __run_timer_base+0x66a/0x8e0 [ 332.211854][ C0] ? __pfx___run_timer_base+0x10/0x10 [ 332.217238][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 332.223577][ C0] run_timer_softirq+0xb7/0x170 [ 332.228425][ C0] handle_softirqs+0x2c4/0x970 [ 332.233191][ C0] ? __irq_exit_rcu+0xf4/0x1c0 [ 332.237978][ C0] ? __pfx_handle_softirqs+0x10/0x10 [ 332.243288][ C0] ? irqtime_account_irq+0xd4/0x1e0 [ 332.248497][ C0] __irq_exit_rcu+0xf4/0x1c0 [ 332.253084][ C0] ? __pfx___irq_exit_rcu+0x10/0x10 [ 332.258282][ C0] irq_exit_rcu+0x9/0x30 [ 332.262523][ C0] sysvec_apic_timer_interrupt+0xa6/0xc0 [ 332.268163][ C0] [ 332.271088][ C0] [ 332.274008][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 332.279988][ C0] RIP: 0010:flush_smp_call_function_queue+0x23f/0x2a0 [ 332.286748][ C0] Code: 00 4d 85 f6 75 16 e8 40 4f 0c 00 eb 15 e8 39 4f 0c 00 e8 c4 19 32 0a 4d 85 f6 74 ea e8 2a 4f 0c 00 fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 27 00 00 00 00 66 43 c7 44 27 09 00 00 43 c6 44 27 0b 00 [ 332.306443][ C0] RSP: 0018:ffffffff8e607cc0 EFLAGS: 00000293 [ 332.312513][ C0] RAX: ffffffff81877c36 RBX: 0000000000000000 RCX: ffffffff8e694680 [ 332.320481][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 332.328445][ C0] RBP: ffffffff8e607d70 R08: ffffffff81877c0c R09: 1ffffffff202faed [ 332.336414][ C0] R10: dffffc0000000000 R11: fffffbfff202faee R12: 1ffffffff1cc0f98 [ 332.344382][ C0] R13: 0000000000000046 R14: 0000000000000200 R15: dffffc0000000000 [ 332.352353][ C0] ? flush_smp_call_function_queue+0x20c/0x2a0 [ 332.358509][ C0] ? flush_smp_call_function_queue+0x236/0x2a0 [ 332.364861][ C0] ? __pfx_flush_smp_call_function_queue+0x10/0x10 [ 332.371405][ C0] ? __pfx_tick_nohz_idle_exit+0x10/0x10 [ 332.377078][ C0] do_idle+0x565/0x5d0 [ 332.381187][ C0] ? __pfx_do_idle+0x10/0x10 [ 332.385789][ C0] ? poll_idle+0x40/0xb0 [ 332.390047][ C0] ? rest_init+0x31/0x300 [ 332.394379][ C0] cpu_startup_entry+0x42/0x60 [ 332.399153][ C0] rest_init+0x2dc/0x300 [ 332.403395][ C0] ? __pfx_x86_late_time_init+0x10/0x10 [ 332.408947][ C0] start_kernel+0x47a/0x500 [ 332.413458][ C0] x86_64_start_reservations+0x2a/0x30 [ 332.418923][ C0] x86_64_start_kernel+0x9f/0xa0 [ 332.423867][ C0] common_startup_64+0x13e/0x147 [ 332.428815][ C0] [ 332.432146][ C0] Kernel Offset: disabled [ 332.436470][ C0] Rebooting in 86400 seconds..