Warning: Permanently added '10.128.1.147' (ED25519) to the list of known hosts. syzkaller login: [ 75.960093][ T983] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 75.970057][ T983] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 75.990914][ T34] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 75.998847][ T34] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 76.028376][ T59] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 76.050282][ T59] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 76.069646][ T34] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 76.079364][ T34] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 76.096161][ T34] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 76.107676][ T34] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 76.125964][ T59] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 76.140001][ T59] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 executing program executing program executing program [ 76.172019][ T59] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 76.194682][ T983] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 76.203103][ T983] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 76.203611][ T59] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 executing program [ 286.612155][ C0] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 210s! [ 286.621559][ C0] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 209s! [ 286.630629][ C0] Showing busy workqueues and worker pools: [ 286.636621][ C0] workqueue events: flags=0x0 [ 286.641392][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=4/256 refcnt=5 [ 286.641438][ C0] pending: 3*ovs_dp_masks_rebalance, kfree_rcu_monitor [ 286.641517][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=6/256 refcnt=7 [ 286.641554][ C0] in-flight: 8:request_firmware_work_func [ 286.641580][ C0] pending: vmstat_shepherd, psi_avgs_work, 2*ovs_dp_masks_rebalance, kfree_rcu_monitor [ 286.641668][ C0] workqueue events_long: flags=0x0 [ 286.685538][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=3/256 refcnt=4 [ 286.685577][ C0] pending: 3*defense_work_handler [ 286.685612][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 [ 286.685643][ C0] pending: 2*defense_work_handler [ 286.685672][ C0] workqueue events_unbound: flags=0x2 [ 286.717215][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=5/512 refcnt=6 [ 286.717251][ C0] pending: 3*cfg80211_wiphy_work, flush_memcg_stats_dwork, crng_reseed [ 286.717379][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=6/512 refcnt=7 [ 286.717406][ C0] pending: toggle_allocation_gate, 5*cfg80211_wiphy_work [ 286.717449][ C0] workqueue events_freezable: flags=0x4 [ 286.753539][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 286.753582][ C0] pending: update_balloon_stats_func [ 286.753618][ C0] workqueue events_power_efficient: flags=0x80 [ 286.773134][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=4/256 refcnt=5 [ 286.773177][ C0] pending: neigh_managed_work, neigh_periodic_work, do_cache_clean, check_lifetime [ 286.773266][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=4/256 refcnt=5 [ 286.773301][ C0] pending: neigh_managed_work, gc_worker, neigh_periodic_work, reg_check_chans_work [ 286.773388][ C0] workqueue mm_percpu_wq: flags=0x8 [ 286.813518][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 286.813561][ C0] pending: vmstat_update [ 286.813596][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 286.813630][ C0] pending: vmstat_update [ 286.813662][ C0] workqueue writeback: flags=0x4a [ 286.843288][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=2 [ 286.843329][ C0] pending: wb_workfn [ 286.843363][ C0] workqueue kblockd: flags=0x18 [ 286.859832][ C0] pwq 1: cpus=0 node=0 flags=0x0 nice=-20 active=1/256 refcnt=2 [ 286.859875][ C0] pending: blk_mq_timeout_work [ 286.859937][ C0] workqueue dm_bufio_cache: flags=0x8 [ 286.879753][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 286.879796][ C0] pending: work_fn [ 286.879906][ C0] workqueue mld: flags=0x40008 [ 286.896476][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=5 [ 286.896518][ C0] pending: mld_ifc_work [ 286.896552][ C0] inactive: 3*mld_ifc_work [ 286.896585][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=5 [ 286.896617][ C0] pending: mld_ifc_work [ 286.896646][ C0] inactive: 3*mld_ifc_work [ 286.896676][ C0] workqueue ipv6_addrconf: flags=0xe000a [ 286.935961][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=12 [ 286.936001][ C0] pending: addrconf_dad_work [ 286.936043][ C0] inactive: 7*addrconf_dad_work, addrconf_verify_work [ 286.936184][ C0] workqueue krxrpcd: flags=0xa001a [ 286.960546][ C0] pwq 5: cpus=0-1 node=0 flags=0x4 nice=-20 active=1/1 refcnt=8 [ 286.960593][ C0] pending: rxrpc_peer_keepalive_worker [ 286.960628][ C0] inactive: 4*rxrpc_peer_keepalive_worker [ 286.960807][ C0] pool 0: cpus=0 node=0 flags=0x0 nice=0 hung=210s workers=4 idle: 1187 5772 9 [ 286.960884][ C0] Showing backtraces of running workers in stalled CPU-bound worker pools: [ 286.998662][ C0] pool 0: [ 286.998685][ C0] task:kworker/0:0 state:R running task stack:24760 pid:8 ppid:2 flags:0x00004000 [ 286.998729][ C0] Workqueue: events request_firmware_work_func [ 286.998762][ C0] Call Trace: [ 286.998769][ C0] [ 286.998785][ C0] __schedule+0x14d2/0x44d0 [ 286.998835][ C0] ? _raw_spin_unlock_irqrestore+0x86/0x110 [ 286.998860][ C0] ? lockdep_hardirqs_on+0x98/0x150 [ 286.998886][ C0] ? _raw_spin_unlock_irqrestore+0xae/0x110 [ 286.998910][ C0] ? asan.module_dtor+0x20/0x20 [ 286.998942][ C0] ? enqueue_timer+0x225/0x530 [ 286.998967][ C0] ? __mod_timer+0x984/0xdb0 [ 286.998996][ C0] ? kthread_data+0x4f/0xc0 [ 286.999028][ C0] ? wq_worker_sleeping+0x63/0x240 [ 286.999052][ C0] schedule+0xbd/0x170 [ 286.999083][ C0] schedule_timeout+0x160/0x280 [ 286.999106][ C0] ? console_conditional_schedule+0x40/0x40 [ 286.999127][ C0] ? lockdep_hardirqs_on_prepare+0x400/0x760 [ 286.999152][ C0] ? update_process_times+0x1b0/0x1b0 [ 286.999191][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 286.999214][ C0] ? lockdep_hardirqs_on+0x98/0x150 [ 286.999241][ C0] wait_for_completion_killable_timeout+0x34f/0x610 [ 286.999291][ C0] ? wait_for_completion_state+0x40/0x40 [ 286.999336][ C0] ? kobject_uevent_env+0x363/0x8c0 [ 286.999371][ C0] firmware_fallback_sysfs+0x4b7/0x940 [ 286.999403][ C0] _request_firmware+0xed9/0x1510 [ 286.999453][ C0] ? request_firmware+0x50/0x50 [ 286.999483][ C0] ? lockdep_hardirqs_on_prepare+0x400/0x760 [ 286.999508][ C0] ? read_lock_is_recursive+0x20/0x20 [ 286.999533][ C0] request_firmware_work_func+0xb0/0x1b0 [ 286.999557][ C0] ? process_scheduled_works+0x957/0x15b0 [ 286.999586][ C0] process_scheduled_works+0xa45/0x15b0 [ 286.999645][ C0] ? assign_work+0x400/0x400 [ 286.999674][ C0] ? assign_work+0x39e/0x400 [ 286.999701][ C0] worker_thread+0xa55/0xfc0 [ 286.999751][ C0] kthread+0x2fa/0x390 [ 286.999767][ C0] ? pr_cont_work+0x560/0x560 [ 286.999790][ C0] ? kthread_blkcg+0xd0/0xd0 [ 286.999808][ C0] ret_from_fork+0x48/0x80 [ 286.999849][ C0] ? kthread_blkcg+0xd0/0xd0 [ 286.999868][ C0] ret_from_fork_asm+0x11/0x20 [ 286.999911][ C0]