[ 19.964067][ T3695] eql: remember to turn off Van-Jacobson compression on your slave devices Starting crond: [ 20.010304][ T136] gvnic 0000:00:00.0 enp0s0: Device link is up. [ 20.012451][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready OK Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.9' (ED25519) to the list of known hosts. syzkaller login: [ 63.569578][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.571738][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.574850][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 63.602503][ T148] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.604592][ T148] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.607399][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.609536][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.612120][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 63.614511][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 63.621693][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.623783][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.626306][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 63.646473][ T334] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.648654][ T334] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.652282][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready executing program [ 63.670488][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.672621][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.675267][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 63.741122][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.743319][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.746078][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 63.750847][ T334] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.753049][ T334] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.755562][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 63.775959][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.778084][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.780679][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 120.835847][ C0] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 57s! [ 120.838405][ C0] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=-20 stuck for 53s! [ 120.840810][ C0] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 57s! [ 120.843076][ C0] BUG: workqueue lockup - pool cpus=0-1 flags=0x4 nice=0 stuck for 57s! [ 120.845286][ C0] Showing busy workqueues and worker pools: [ 120.846995][ C0] workqueue events: flags=0x0 [ 120.848230][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 [ 120.848254][ C0] in-flight: 21:request_firmware_work_func [ 120.848276][ C0] pending: psi_avgs_work [ 120.848292][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=10/256 refcnt=11 [ 120.848312][ C0] pending: vmstat_shepherd, hci_cmd_timeout, hci_cmd_timeout, hci_cmd_timeout, hci_cmd_timeout, ovs_dp_masks_rebalance, l2cap_info_timeout, l2cap_info_timeout, l2cap_info_timeout, l2cap_info_timeout [ 120.848384][ C0] workqueue events_long: flags=0x0 [ 120.861915][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 120.861941][ C0] pending: defense_work_handler [ 120.861957][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=3/256 refcnt=4 [ 120.861977][ C0] pending: defense_work_handler, defense_work_handler, defense_work_handler [ 120.862001][ C0] workqueue events_power_efficient: flags=0x82 [ 120.871319][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=3/256 refcnt=5 [ 120.871344][ C0] pending: fb_flashcursor, do_cache_clean, neigh_periodic_work [ 120.871381][ C0] workqueue mm_percpu_wq: flags=0x8 [ 120.876712][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 120.876736][ C0] pending: vmstat_update [ 120.876757][ C0] workqueue writeback: flags=0x4a [ 120.881105][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 120.881128][ C0] pending: wb_workfn [ 120.881146][ C0] workqueue kblockd: flags=0x18 [ 120.885299][ C0] pwq 1: cpus=0 node=0 flags=0x0 nice=-20 active=1/256 refcnt=2 [ 120.885323][ C0] pending: blk_mq_timeout_work [ 120.885382][ C0] workqueue mld: flags=0x40008 [ 120.890011][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=8 [ 120.890035][ C0] pending: mld_ifc_work [ 120.890048][ C0] inactive: mld_ifc_work, mld_dad_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_dad_work [ 120.890096][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=7 [ 120.890114][ C0] pending: mld_ifc_work [ 120.890126][ C0] inactive: mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_dad_work, mld_dad_work [ 120.890165][ C0] workqueue ipv6_addrconf: flags=0x40008 [ 120.902861][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=4 [ 120.902885][ C0] pending: addrconf_dad_work [ 120.902898][ C0] inactive: addrconf_dad_work, addrconf_dad_work [ 120.902918][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=3 [ 120.902937][ C0] pending: addrconf_dad_work [ 120.902948][ C0] inactive: addrconf_dad_work [ 120.902962][ C0] workqueue krxrpcd: flags=0x0 [ 120.913504][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=2 [ 120.913530][ C0] pending: rxrpc_peer_keepalive_worker [ 120.913557][ C0] workqueue phy3: flags=0xa0002 [ 120.918342][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=3 [ 120.918364][ C0] pending: ieee80211_iface_work [ 120.918385][ C0] workqueue phy4: flags=0xa0002 [ 120.922845][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=3 [ 120.922866][ C0] pending: ieee80211_iface_work [ 120.922885][ C0] workqueue phy5: flags=0xa0002 [ 120.927402][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=3 [ 120.927423][ C0] pending: ieee80211_iface_work [ 120.927439][ C0] workqueue phy6: flags=0xa0002 [ 120.931908][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=3 [ 120.931929][ C0] pending: ieee80211_iface_work [ 120.931946][ C0] workqueue phy7: flags=0xa0002 [ 120.936375][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=3 [ 120.936397][ C0] pending: ieee80211_iface_work [ 120.936413][ C0] workqueue phy8: flags=0xa0002 [ 120.940841][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=3 [ 120.940862][ C0] pending: ieee80211_iface_work [ 120.940878][ C0] workqueue phy9: flags=0xa0002 [ 120.945340][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=3 [ 120.945361][ C0] pending: ieee80211_iface_work [ 120.945378][ C0] workqueue phy11: flags=0xa0002 [ 120.950041][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=3 [ 120.950062][ C0] pending: ieee80211_iface_work [ 120.950088][ C0] pool 2: cpus=1 node=0 flags=0x0 nice=0 hung=57s workers=5 idle: 4047 3605 25 1535