[ 15.135830][ T3898] 8021q: adding VLAN 0 to HW filter on device bond0 [ 15.144636][ T3898] eql: remember to turn off Van-Jacobson compression on your slave devices [ 15.182812][ T1640] gvnic 0000:00:00.0 enp0s0: Device link is up. [ 15.186886][ T3807] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.176' (ED25519) to the list of known hosts. syzkaller login: [ 51.305029][ T4248] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 51.305034][ T4249] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 51.305384][ T4249] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 51.307044][ T4248] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 51.308993][ T4249] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 51.311512][ T4248] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 51.312072][ T4249] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 51.314354][ T4248] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 51.315366][ T4249] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 51.317500][ T4248] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 51.318309][ T4249] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 51.319982][ T4248] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 51.321390][ T4249] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 51.323831][ T4248] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 51.324759][ T4249] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 51.327721][ T4248] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 51.328138][ T4249] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 51.330424][ T4248] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 51.331870][ T4250] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 51.333528][ T4248] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 51.335376][ T4250] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 51.336445][ T4248] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 51.337613][ T4250] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 51.339089][ T4248] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 51.340946][ T4250] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 51.342354][ T4248] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 51.346059][ T4251] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 51.348544][ T4248] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 51.349698][ T4251] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 51.356333][ T4247] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 executing program executing program [ 90.722709][ C0] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 39s! [ 90.725081][ C0] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=-20 stuck for 37s! [ 90.727183][ C0] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 39s! [ 90.729274][ C0] BUG: workqueue lockup - pool cpus=0-1 flags=0x4 nice=0 stuck for 39s! [ 90.731337][ C0] BUG: workqueue lockup - pool cpus=0-1 flags=0x4 nice=-20 stuck for 37s! [ 90.733471][ C0] Showing busy workqueues and worker pools: [ 90.734891][ C0] workqueue events: flags=0x0 [ 90.735929][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=6/256 refcnt=7 [ 90.735952][ C0] in-flight: 3701:request_firmware_work_func [ 90.735972][ C0] pending: free_work, ovs_dp_masks_rebalance, ovs_dp_masks_rebalance, l2cap_info_timeout, kfree_rcu_monitor [ 90.736034][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=9/256 refcnt=10 [ 90.736054][ C0] pending: vmstat_shepherd, psi_avgs_work, l2cap_info_timeout, l2cap_info_timeout, ovs_dp_masks_rebalance, l2cap_info_timeout, l2cap_info_timeout, ovs_dp_masks_rebalance, kfree_rcu_monitor [ 90.736128][ C0] workqueue events_long: flags=0x0 [ 90.749418][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=4/256 refcnt=5 [ 90.749442][ C0] pending: defense_work_handler, defense_work_handler, defense_work_handler, defense_work_handler [ 90.749483][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 [ 90.749502][ C0] pending: defense_work_handler, defense_work_handler [ 90.749524][ C0] workqueue events_unbound: flags=0x2 [ 90.758293][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/512 refcnt=4 [ 90.758315][ C0] pending: toggle_allocation_gate, flush_memcg_stats_dwork [ 90.758343][ C0] workqueue events_power_efficient: flags=0x82 [ 90.762896][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=7/256 refcnt=9 [ 90.762917][ C0] pending: neigh_managed_work, neigh_managed_work, neigh_periodic_work, neigh_periodic_work, do_cache_clean, gc_worker, reg_check_chans_work [ 90.762988][ C0] workqueue mm_percpu_wq: flags=0x8 [ 90.769076][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 90.769098][ C0] pending: vmstat_update [ 90.769115][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 90.769134][ C0] pending: vmstat_update [ 90.769150][ C0] workqueue writeback: flags=0x4a [ 90.775587][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 90.775608][ C0] pending: wb_workfn [ 90.775624][ C0] workqueue kblockd: flags=0x18 [ 90.779424][ C0] pwq 1: cpus=0 node=0 flags=0x0 nice=-20 active=1/256 refcnt=2 [ 90.779447][ C0] pending: blk_mq_timeout_work [ 90.779471][ C0] workqueue gid-cache-wq: flags=0xa0002 [ 90.783600][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=6 [ 90.783620][ C0] pending: netdevice_event_work_handler [ 90.783634][ C0] inactive: netdevice_event_work_handler, netdevice_event_work_handler, netdevice_event_work_handler [ 90.783690][ C0] workqueue dm_bufio_cache: flags=0x8 [ 90.790210][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 90.790233][ C0] pending: work_fn [ 90.790260][ C0] workqueue krxrpcd: flags=0x0 [ 90.793950][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=2 [ 90.793972][ C0] pending: rxrpc_peer_keepalive_worker [ 90.793992][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=4 [ 90.794019][ C0] pending: rxrpc_peer_keepalive_worker [ 90.794033][ C0] inactive: rxrpc_peer_keepalive_worker, rxrpc_peer_keepalive_worker [ 90.794067][ C0] workqueue hci0: flags=0xa0012 [ 90.802714][ C0] pwq 5: cpus=0-1 flags=0x4 nice=-20 active=1/1 refcnt=3 [ 90.802736][ C0] pending: hci_cmd_timeout [ 90.802750][ C0] workqueue hci1: flags=0xa0012 [ 90.806419][ C0] pwq 5: cpus=0-1 flags=0x4 nice=-20 active=1/1 refcnt=3 [ 90.806438][ C0] pending: hci_cmd_timeout [ 90.806452][ C0] workqueue hci2: flags=0xa0012 [ 90.809997][ C0] pwq 5: cpus=0-1 flags=0x4 nice=-20 active=1/1 refcnt=3 [ 90.810026][ C0] pending: hci_cmd_timeout [ 90.810040][ C0] workqueue hci3: flags=0xa0012 [ 90.813649][ C0] pwq 5: cpus=0-1 flags=0x4 nice=-20 active=1/1 refcnt=3 [ 90.813669][ C0] pending: hci_cmd_timeout [ 90.813682][ C0] workqueue hci4: flags=0xa0012 [ 90.817257][ C0] pwq 5: cpus=0-1 flags=0x4 nice=-20 active=1/1 refcnt=3 [ 90.817277][ C0] pending: hci_cmd_timeout [ 90.817300][ C0] pool 2: cpus=1 node=0 flags=0x0 nice=0 hung=39s workers=4 idle: 3807 24 22