Warning: Permanently added '10.128.0.204' (ED25519) to the list of known hosts. syzkaller login: [ 58.120019][ T4237] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 58.126570][ T4244] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 58.128623][ T4244] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 58.130589][ T4244] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 58.132548][ T4244] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 58.134486][ T4244] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 58.137965][ T4244] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 58.139728][ T4244] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 58.141523][ T4244] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 58.143336][ T4244] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 58.144224][ T4247] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 58.145305][ T4244] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 58.146757][ T4247] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 58.148698][ T4249] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 58.150997][ T4247] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 58.152299][ T4249] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 58.153450][ T4247] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 58.155551][ T4249] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 58.156471][ T4247] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 58.158017][ T4249] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 58.160514][ T4247] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 58.161061][ T4249] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 58.163108][ T4247] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 58.164016][ T4249] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 58.166005][ T4247] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 58.180026][ T4247] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 58.184708][ T4247] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 58.186556][ T4247] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 58.188612][ T4250] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 58.188878][ T4247] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 executing program executing program [ 90.739467][ C0] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 31s! [ 90.741582][ C0] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 32s! [ 90.743530][ C0] BUG: workqueue lockup - pool cpus=0-1 flags=0x4 nice=0 stuck for 32s! [ 90.745547][ C0] BUG: workqueue lockup - pool cpus=0-1 flags=0x4 nice=-20 stuck for 30s! [ 90.747450][ C0] Showing busy workqueues and worker pools: [ 90.748804][ C0] workqueue events: flags=0x0 [ 90.749859][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=5/256 refcnt=6 [ 90.749883][ C0] pending: psi_avgs_work, ovs_dp_masks_rebalance, ovs_dp_masks_rebalance, l2cap_info_timeout, kfree_rcu_monitor [ 90.749935][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=8/256 refcnt=9 [ 90.749954][ C0] in-flight: 14:request_firmware_work_func [ 90.749970][ C0] pending: vmstat_shepherd, l2cap_info_timeout, l2cap_info_timeout, l2cap_info_timeout, ovs_dp_masks_rebalance, l2cap_info_timeout, kfree_rcu_monitor [ 90.750027][ C0] workqueue events_long: flags=0x0 [ 90.761966][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=3/256 refcnt=4 [ 90.761989][ C0] pending: defense_work_handler, defense_work_handler, defense_work_handler [ 90.762021][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=3/256 refcnt=4 [ 90.762039][ C0] pending: defense_work_handler, defense_work_handler, defense_work_handler [ 90.762067][ C0] workqueue events_unbound: flags=0x2 [ 90.770603][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/512 refcnt=4 [ 90.770625][ C0] pending: toggle_allocation_gate, flush_memcg_stats_dwork [ 90.770652][ C0] workqueue events_power_efficient: flags=0x82 [ 90.775171][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=7/256 refcnt=9 [ 90.775191][ C0] pending: neigh_managed_work, neigh_managed_work, do_cache_clean, neigh_periodic_work, gc_worker, reg_check_chans_work, neigh_periodic_work [ 90.775259][ C0] workqueue mm_percpu_wq: flags=0x8 [ 90.781200][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 90.781222][ C0] pending: vmstat_update [ 90.781238][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 90.781257][ C0] pending: vmstat_update [ 90.781273][ C0] workqueue writeback: flags=0x4a [ 90.787823][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 90.787843][ C0] pending: wb_workfn [ 90.787859][ C0] workqueue kblockd: flags=0x18 [ 90.791445][ C0] pwq 3: cpus=1 node=0 flags=0x0 nice=-20 active=1/256 refcnt=2 [ 90.791469][ C0] pending: blk_mq_timeout_work [ 90.791494][ C0] workqueue gid-cache-wq: flags=0xa0002 [ 90.795566][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=4 [ 90.795586][ C0] pending: netdevice_event_work_handler [ 90.795600][ C0] inactive: netdevice_event_work_handler [ 90.795640][ C0] workqueue dm_bufio_cache: flags=0x8 [ 90.801050][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 90.801073][ C0] pending: work_fn [ 90.801100][ C0] workqueue krxrpcd: flags=0x0 [ 90.804627][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=3 [ 90.804649][ C0] pending: rxrpc_peer_keepalive_worker [ 90.804666][ C0] inactive: rxrpc_peer_keepalive_worker [ 90.804681][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=2 [ 90.804700][ C0] pending: rxrpc_peer_keepalive_worker [ 90.804723][ C0] workqueue hci0: flags=0xa0012 [ 90.812841][ C0] pwq 5: cpus=0-1 flags=0x4 nice=-20 active=1/1 refcnt=3 [ 90.812862][ C0] pending: hci_cmd_timeout [ 90.812878][ C0] workqueue hci1: flags=0xa0012 [ 90.816818][ C0] pwq 5: cpus=0-1 flags=0x4 nice=-20 active=1/1 refcnt=3 [ 90.816838][ C0] pending: hci_cmd_timeout [ 90.816851][ C0] workqueue hci2: flags=0xa0012 [ 90.820778][ C0] pwq 5: cpus=0-1 flags=0x4 nice=-20 active=1/1 refcnt=3 [ 90.820798][ C0] pending: hci_cmd_timeout [ 90.820811][ C0] workqueue hci3: flags=0xa0012 [ 90.824606][ C0] pwq 5: cpus=0-1 flags=0x4 nice=-20 active=1/1 refcnt=3 [ 90.824625][ C0] pending: hci_cmd_timeout [ 90.824638][ C0] workqueue hci4: flags=0xa0012 [ 90.828267][ C0] pwq 5: cpus=0-1 flags=0x4 nice=-20 active=1/1 refcnt=3 [ 90.828287][ C0] pending: hci_cmd_timeout [ 90.828303][ C0] pool 0: cpus=0 node=0 flags=0x0 nice=0 hung=31s workers=5 idle: 4245 7 3807 111