[ 16.741487][ T3970] eql: remember to turn off Van-Jacobson compression on your slave devices [ 16.782486][ T1617] gvnic 0000:00:00.0 enp0s0: Device link is up. [ 16.789427][ T1617] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready Starting crond: OK Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.103' (ED25519) to the list of known hosts. syzkaller login: [ 36.221289][ T4320] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 36.224463][ T4320] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 36.226100][ T4321] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 36.226754][ T4320] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 36.228757][ T4321] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 36.230616][ T4320] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 36.233324][ T4321] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 36.234518][ T4320] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 36.236261][ T4321] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 36.238456][ T4322] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 36.239966][ T4321] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 36.241719][ T4322] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 36.244189][ T4321] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 36.245779][ T4322] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 36.247748][ T4321] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 36.249872][ T4322] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 36.251820][ T4321] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 36.253666][ T4322] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 36.255248][ T4321] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 36.256885][ T4322] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 36.259075][ T4321] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 36.260349][ T4322] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 36.262262][ T4321] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 36.265356][ T4323] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 36.271035][ T4320] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 36.273059][ T4321] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 36.273286][ T4320] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 36.275103][ T4321] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 36.298252][ T4321] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 36.312862][ T47] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 executing program executing program executing program [ 90.742625][ C0] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 54s! [ 90.745209][ C0] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=-20 stuck for 49s! [ 90.747628][ C0] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 53s! [ 90.749996][ C0] BUG: workqueue lockup - pool cpus=0-1 flags=0x4 nice=0 stuck for 54s! [ 90.752281][ C0] BUG: workqueue lockup - pool cpus=0-1 flags=0x4 nice=-20 stuck for 52s! [ 90.754693][ C0] Showing busy workqueues and worker pools: [ 90.756279][ C0] workqueue events: flags=0x0 [ 90.757500][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=10/256 refcnt=11 [ 90.757526][ C0] pending: regulator_init_complete_work_function, psi_avgs_work, l2cap_info_timeout, 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 [ 90.757629][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=7/256 refcnt=8 [ 90.757649][ C0] in-flight: 1513:request_firmware_work_func [ 90.757663][ C0] pending: vmstat_shepherd, ovs_dp_masks_rebalance, ovs_dp_masks_rebalance, l2cap_info_timeout, l2cap_info_timeout, kfree_rcu_monitor [ 90.757720][ C0] workqueue events_long: flags=0x0 [ 90.774847][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=4/256 refcnt=5 [ 90.774873][ C0] pending: defense_work_handler, defense_work_handler, defense_work_handler, defense_work_handler [ 90.774923][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 [ 90.774944][ C0] pending: defense_work_handler, defense_work_handler [ 90.774969][ C0] workqueue events_unbound: flags=0x2 [ 90.785167][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/512 refcnt=4 [ 90.785190][ C0] pending: toggle_allocation_gate, flush_memcg_stats_dwork [ 90.785231][ C0] workqueue events_power_efficient: flags=0x82 [ 90.790743][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=7/256 refcnt=9 [ 90.790765][ C0] pending: neigh_managed_work, neigh_managed_work, neigh_periodic_work, neigh_periodic_work, do_cache_clean, gc_worker, reg_check_chans_work [ 90.790834][ C0] workqueue mm_percpu_wq: flags=0x8 [ 90.797971][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 90.797995][ C0] pending: vmstat_update [ 90.798021][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 90.798041][ C0] pending: vmstat_update [ 90.798061][ C0] workqueue writeback: flags=0x4a [ 90.805857][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 90.805879][ C0] pending: wb_workfn [ 90.805899][ C0] workqueue kblockd: flags=0x18 [ 90.810076][ C0] pwq 1: cpus=0 node=0 flags=0x0 nice=-20 active=1/256 refcnt=2 [ 90.810100][ C0] pending: blk_mq_timeout_work [ 90.810163][ C0] workqueue dm_bufio_cache: flags=0x8 [ 90.814944][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 90.814968][ C0] pending: work_fn [ 90.814999][ C0] workqueue krxrpcd: flags=0x0 [ 90.819264][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=5 [ 90.819292][ C0] pending: rxrpc_peer_keepalive_worker [ 90.819309][ C0] inactive: rxrpc_peer_keepalive_worker, rxrpc_peer_keepalive_worker, rxrpc_peer_keepalive_worker [ 90.819344][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=3 [ 90.819364][ C0] pending: rxrpc_peer_keepalive_worker [ 90.819377][ C0] inactive: rxrpc_peer_keepalive_worker [ 90.819399][ C0] workqueue hci0: flags=0xa0012 [ 90.831854][ C0] pwq 5: cpus=0-1 flags=0x4 nice=-20 active=1/1 refcnt=3 [ 90.831877][ C0] pending: hci_cmd_timeout [ 90.831897][ C0] workqueue hci1: flags=0xa0012 [ 90.836429][ C0] pwq 5: cpus=0-1 flags=0x4 nice=-20 active=1/1 refcnt=3 [ 90.836450][ C0] pending: hci_cmd_timeout [ 90.836468][ C0] workqueue hci2: flags=0xa0012 [ 90.840750][ C0] pwq 5: cpus=0-1 flags=0x4 nice=-20 active=1/1 refcnt=3 [ 90.840771][ C0] pending: hci_cmd_timeout [ 90.840788][ C0] workqueue hci3: flags=0xa0012 [ 90.845170][ C0] pwq 5: cpus=0-1 flags=0x4 nice=-20 active=1/1 refcnt=3 [ 90.845215][ C0] pending: hci_cmd_timeout [ 90.845234][ C0] workqueue hci4: flags=0xa0012 [ 90.849607][ C0] pwq 5: cpus=0-1 flags=0x4 nice=-20 active=1/1 refcnt=3 [ 90.849627][ C0] pending: hci_cmd_timeout [ 90.849653][ C0] pool 0: cpus=0 node=0 flags=0x0 nice=0 hung=54s workers=4 idle: 7 14 3878