[ 9.492047][ T3993] eql: remember to turn off Van-Jacobson compression on your slave devices Starting crond: [ 9.526708][ T11] gvnic 0000:00:00.0 enp0s0: Device link is up. [ 9.532851][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready OK Starting sshd: OK syzkaller syzkaller login: [ 69.614039][ T7] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.1.66' (ED25519) to the list of known hosts. Setting up swapspace version 1, size = 127995904 bytes [ 88.385239][ T4349] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 88.406874][ T4371] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 88.409096][ T4371] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 88.412019][ T4372] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 88.412212][ T4374] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 88.414096][ T4372] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 88.415301][ T4374] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 88.415846][ T4372] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 88.416865][ T4374] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 88.418047][ T4372] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 88.419204][ T4374] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 88.419981][ T4372] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 88.420983][ T4374] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 88.422500][ T4372] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 88.424006][ T4374] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 88.425014][ T4372] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 88.425842][ T4374] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 88.427144][ T4372] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 88.427571][ T4374] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 88.428884][ T4372] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 88.429989][ T4374] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 88.431823][ T47] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 88.432949][ T4374] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 88.433080][ T4374] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 88.434361][ T47] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 88.435933][ T4374] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 88.439737][ T4375] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 88.441172][ T4375] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 88.442410][ T4375] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 88.446698][ T4374] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 88.454337][ T4374] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 executing program executing program [ 122.093263][ C0] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 33s! [ 122.094552][ C0] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 33s! [ 122.095916][ C0] BUG: workqueue lockup - pool cpus=0-1 flags=0x4 nice=0 stuck for 33s! [ 122.097210][ C0] BUG: workqueue lockup - pool cpus=0-1 flags=0x4 nice=-20 stuck for 33s! [ 122.098689][ C0] Showing busy workqueues and worker pools: [ 122.099522][ C0] workqueue events: flags=0x0 [ 122.100313][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=4/256 refcnt=5 [ 122.100331][ C0] pending: ovs_dp_masks_rebalance, kfree_rcu_monitor, l2cap_info_timeout, ovs_dp_masks_rebalance [ 122.100367][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=9/256 refcnt=10 [ 122.100377][ C0] pending: vmstat_shepherd, psi_avgs_work, ovs_dp_masks_rebalance, l2cap_info_timeout, l2cap_info_timeout, l2cap_info_timeout, ovs_dp_masks_rebalance, ovs_dp_masks_rebalance, kfree_rcu_monitor [ 122.100421][ C0] workqueue events_long: flags=0x0 [ 122.108386][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 122.108411][ C0] pending: defense_work_handler [ 122.108424][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=4/256 refcnt=5 [ 122.108436][ C0] pending: defense_work_handler, defense_work_handler, defense_work_handler, defense_work_handler [ 122.108461][ C0] workqueue events_unbound: flags=0x2 [ 122.114112][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/512 refcnt=4 [ 122.114125][ C0] pending: toggle_allocation_gate, flush_memcg_stats_dwork [ 122.114144][ C0] workqueue events_power_efficient: flags=0x82 [ 122.117320][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=6/256 refcnt=8 [ 122.117344][ C0] pending: crda_timeout_work, neigh_managed_work, neigh_managed_work, do_cache_clean, neigh_periodic_work, neigh_periodic_work [ 122.117384][ C0] workqueue writeback: flags=0x4a [ 122.121550][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/256 refcnt=4 [ 122.121570][ C0] pending: wb_update_bandwidth_workfn, wb_workfn [ 122.121589][ C0] workqueue kblockd: flags=0x18 [ 122.124571][ C0] pwq 3: cpus=1 node=0 flags=0x0 nice=-20 active=1/256 refcnt=2 [ 122.124591][ C0] pending: blk_mq_timeout_work [ 122.124610][ C0] workqueue gid-cache-wq: flags=0xa0002 [ 122.127451][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=8 [ 122.127475][ C0] pending: netdevice_event_work_handler [ 122.127484][ C0] inactive: netdevice_event_work_handler, netdevice_event_work_handler, netdevice_event_work_handler, netdevice_event_work_handler, netdevice_event_work_handler [ 122.127528][ C0] workqueue dm_bufio_cache: flags=0x8 [ 122.133119][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 122.133143][ C0] pending: work_fn [ 122.133163][ C0] workqueue krxrpcd: flags=0x0 [ 122.135807][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=3 [ 122.135832][ C0] pending: rxrpc_peer_keepalive_worker [ 122.135845][ C0] inactive: rxrpc_peer_keepalive_worker [ 122.135854][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=4 [ 122.135864][ C0] pending: rxrpc_peer_keepalive_worker [ 122.135873][ C0] inactive: rxrpc_peer_keepalive_worker, rxrpc_peer_keepalive_worker [ 122.135891][ C0] workqueue hci1: flags=0xa0012 [ 122.143448][ C0] pwq 5: cpus=0-1 flags=0x4 nice=-20 active=1/1 refcnt=3 [ 122.143469][ C0] pending: hci_cmd_timeout [ 122.143485][ C0] workqueue hci0: flags=0xa0012 [ 122.146154][ C0] pwq 5: cpus=0-1 flags=0x4 nice=-20 active=1/1 refcnt=3 [ 122.146178][ C0] pending: hci_cmd_timeout [ 122.146189][ C0] workqueue hci2: flags=0xa0012 [ 122.148761][ C0] pwq 5: cpus=0-1 flags=0x4 nice=-20 active=1/1 refcnt=3 [ 122.148779][ C0] pending: hci_cmd_timeout [ 122.148789][ C0] workqueue hci3: flags=0xa0012 [ 122.151524][ C0] pwq 5: cpus=0-1 flags=0x4 nice=-20 active=1/1 refcnt=3 [ 122.151538][ C0] pending: hci_cmd_timeout [ 122.151551][ C0] workqueue hci4: flags=0xa0012 [ 122.154306][ C0] pwq 5: cpus=0-1 flags=0x4 nice=-20 active=1/1 refcnt=4 [ 122.154320][ C0] pending: hci_rx_work [ 122.154329][ C0] inactive: hci_cmd_timeout