Warning: Permanently added '10.128.1.170' (ED25519) to the list of known hosts. syzkaller login: [ 63.285598][ T4235] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 63.291316][ T4244] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 63.294060][ T4244] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 63.294809][ T4245] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 63.296038][ T4244] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 63.298282][ T4245] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 63.299600][ T4244] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 63.301584][ T4245] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 63.302738][ T4244] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 63.304027][ T4245] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 63.305867][ T4244] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 63.307924][ T4245] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 63.309602][ T4244] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 63.310596][ T4245] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 63.311789][ T4244] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 63.314043][ T4245] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 63.315608][ T4244] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 63.318197][ T4245] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 63.319197][ T4244] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 63.319992][ T4245] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 63.322204][ T4244] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 63.323658][ T4245] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 63.325100][ T4244] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 63.326606][ T4245] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 63.329991][ T4243] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 63.330246][ T4245] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 63.331577][ T4243] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 63.333669][ T4245] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 63.334717][ T4243] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 63.337320][ T47] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 executing program executing program executing program executing program [ 120.827274][ C0] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 57s! [ 120.829287][ C0] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=-20 stuck for 56s! [ 120.831297][ C0] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 57s! [ 120.833230][ C0] BUG: workqueue lockup - pool cpus=0-1 flags=0x4 nice=0 stuck for 57s! [ 120.835105][ C0] BUG: workqueue lockup - pool cpus=0-1 flags=0x4 nice=-20 stuck for 55s! [ 120.837024][ C0] Showing busy workqueues and worker pools: [ 120.838483][ C0] workqueue events: flags=0x0 [ 120.839571][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=7/256 refcnt=8 [ 120.839593][ C0] in-flight: 1511:request_firmware_work_func [ 120.839615][ C0] pending: l2cap_info_timeout, l2cap_info_timeout, l2cap_info_timeout, ovs_dp_masks_rebalance, ovs_dp_masks_rebalance, kfree_rcu_monitor [ 120.839669][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=9/256 refcnt=10 [ 120.839688][ C0] pending: vmstat_shepherd, psi_avgs_work, l2cap_info_timeout, l2cap_info_timeout, ovs_dp_masks_rebalance, ovs_dp_masks_rebalance, ovs_dp_masks_rebalance, ovs_dp_masks_rebalance, kfree_rcu_monitor [ 120.839760][ C0] workqueue events_long: flags=0x0 [ 120.853368][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=3/256 refcnt=4 [ 120.853392][ C0] pending: defense_work_handler, defense_work_handler, defense_work_handler [ 120.853425][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=3/256 refcnt=4 [ 120.853443][ C0] pending: defense_work_handler, defense_work_handler, defense_work_handler [ 120.853471][ C0] workqueue events_unbound: flags=0x2 [ 120.862227][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/512 refcnt=4 [ 120.862247][ C0] pending: toggle_allocation_gate, flush_memcg_stats_dwork [ 120.862275][ C0] workqueue events_power_efficient: flags=0x82 [ 120.866934][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=7/256 refcnt=9 [ 120.866953][ C0] pending: neigh_managed_work, do_cache_clean, neigh_periodic_work, neigh_managed_work, neigh_periodic_work, gc_worker, reg_check_chans_work [ 120.867022][ C0] workqueue mm_percpu_wq: flags=0x8 [ 120.873218][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 120.873241][ C0] pending: vmstat_update [ 120.873258][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 120.873276][ C0] pending: vmstat_update [ 120.873293][ C0] workqueue writeback: flags=0x4a [ 120.880282][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 120.880303][ C0] pending: wb_workfn [ 120.880319][ C0] workqueue kblockd: flags=0x18 [ 120.884005][ C0] pwq 1: cpus=0 node=0 flags=0x0 nice=-20 active=1/256 refcnt=2 [ 120.884027][ C0] pending: blk_mq_timeout_work [ 120.884079][ C0] workqueue dm_bufio_cache: flags=0x8 [ 120.888341][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 120.888364][ C0] pending: work_fn [ 120.888391][ C0] workqueue krxrpcd: flags=0x0 [ 120.892268][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=3 [ 120.892292][ C0] pending: rxrpc_peer_keepalive_worker [ 120.892312][ C0] inactive: rxrpc_peer_keepalive_worker [ 120.892327][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=5 [ 120.892346][ C0] pending: rxrpc_peer_keepalive_worker [ 120.892360][ C0] inactive: rxrpc_peer_keepalive_worker, rxrpc_peer_keepalive_worker, rxrpc_peer_keepalive_worker [ 120.892401][ C0] workqueue hci0: flags=0xa0012 [ 120.903852][ C0] pwq 5: cpus=0-1 flags=0x4 nice=-20 active=1/1 refcnt=3 [ 120.903880][ C0] pending: hci_cmd_timeout [ 120.903905][ C0] workqueue hci1: flags=0xa0012 [ 120.907978][ C0] pwq 5: cpus=0-1 flags=0x4 nice=-20 active=1/1 refcnt=3 [ 120.907998][ C0] pending: hci_cmd_timeout [ 120.908011][ C0] workqueue hci2: flags=0xa0012 [ 120.911932][ C0] pwq 5: cpus=0-1 flags=0x4 nice=-20 active=1/1 refcnt=3 [ 120.911951][ C0] pending: hci_cmd_timeout [ 120.911964][ C0] workqueue hci3: flags=0xa0012 [ 120.915770][ C0] pwq 5: cpus=0-1 flags=0x4 nice=-20 active=1/1 refcnt=3 [ 120.915789][ C0] pending: hci_cmd_timeout [ 120.915803][ C0] workqueue hci4: flags=0xa0012 [ 120.919831][ C0] pwq 5: cpus=0-1 flags=0x4 nice=-20 active=1/1 refcnt=3 [ 120.919851][ C0] pending: hci_cmd_timeout [ 120.919875][ C0] pool 2: cpus=1 node=0 flags=0x0 nice=0 hung=57s workers=4 idle: 22 24 3807