Warning: Permanently added '10.128.0.90' (ED25519) to the list of known hosts. 1970/01/01 00:00:57 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:57 ignoring optional flag "type"="gce" 1970/01/01 00:00:57 parsed 1 programs 1970/01/01 00:00:57 executed programs: 0 [ 58.730538][ T53] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 58.738897][ T53] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 58.741107][ T53] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 58.743143][ T53] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 58.745015][ T53] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 58.746633][ T53] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 58.830494][ T6623] chnl_net:caif_netlink_parms(): no params data found [ 58.886046][ T6623] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.887763][ T6623] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.889248][ T6623] bridge_slave_0: entered allmulticast mode [ 58.890993][ T6623] bridge_slave_0: entered promiscuous mode [ 58.893273][ T6623] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.895606][ T6623] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.897107][ T6623] bridge_slave_1: entered allmulticast mode [ 58.898760][ T6623] bridge_slave_1: entered promiscuous mode [ 58.910733][ T6623] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.914155][ T6623] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.927604][ T6623] team0: Port device team_slave_0 added [ 58.930055][ T6623] team0: Port device team_slave_1 added [ 58.940002][ T6623] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 58.941547][ T6623] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 58.947019][ T6623] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 58.950226][ T6623] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 58.951715][ T6623] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 58.957238][ T6623] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 59.026368][ T6623] hsr_slave_0: entered promiscuous mode [ 59.064680][ T6623] hsr_slave_1: entered promiscuous mode [ 59.878400][ T6623] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 59.881885][ T6623] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 59.885680][ T6623] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 59.890292][ T6623] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 59.937553][ T6623] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.946643][ T6623] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.951088][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.952716][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.962019][ T818] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.963655][ T818] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.060560][ T6623] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.083368][ T6623] veth0_vlan: entered promiscuous mode [ 60.088052][ T6623] veth1_vlan: entered promiscuous mode [ 60.100959][ T6623] veth0_macvtap: entered promiscuous mode [ 60.104027][ T6623] veth1_macvtap: entered promiscuous mode [ 60.111630][ T6623] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 60.119115][ T6623] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 60.122822][ T6623] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.124825][ T6623] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.126649][ T6623] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.128453][ T6623] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.167296][ T267] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 60.169095][ T267] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 60.181200][ T38] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 60.184525][ T38] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 60.364745][ T6730] nbd0: detected capacity change from 0 to 126 [ 60.806212][ T5991] Bluetooth: hci0: command tx timeout [ 61.081806][ T53] block nbd0: Receive control failed (result -104) [ 62.885091][ T53] Bluetooth: hci0: command tx timeout [ 64.485847][ T2347] ieee802154 phy0 wpan0: encryption failed: -22 [ 64.487377][ T2347] ieee802154 phy1 wpan1: encryption failed: -22 [ 64.964550][ T53] Bluetooth: hci0: command tx timeout [ 67.045219][ T53] Bluetooth: hci0: command tx timeout [ 69.615780][ T9] cfg80211: failed to load regulatory.db [ 90.726277][ T42] block nbd0: Possible stuck request 0000000075047c8c: control (read@0,4096B). Runtime 30 seconds 1970/01/01 00:01:55 executed programs: 1 [ 117.289511][ T5991] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 117.292154][ T5991] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 117.294640][ T5991] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 117.297394][ T5991] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 117.299605][ T5991] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 117.301962][ T5991] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 117.368832][ T6925] chnl_net:caif_netlink_parms(): no params data found [ 117.404986][ T6925] bridge0: port 1(bridge_slave_0) entered blocking state [ 117.406579][ T6925] bridge0: port 1(bridge_slave_0) entered disabled state [ 117.408052][ T6925] bridge_slave_0: entered allmulticast mode [ 117.409799][ T6925] bridge_slave_0: entered promiscuous mode [ 117.412022][ T6925] bridge0: port 2(bridge_slave_1) entered blocking state [ 117.413436][ T6925] bridge0: port 2(bridge_slave_1) entered disabled state [ 117.415583][ T6925] bridge_slave_1: entered allmulticast mode [ 117.417309][ T6925] bridge_slave_1: entered promiscuous mode [ 117.430621][ T6925] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 117.434058][ T6925] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 117.447175][ T6925] team0: Port device team_slave_0 added [ 117.449625][ T6925] team0: Port device team_slave_1 added [ 117.458920][ T6925] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 117.460451][ T6925] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 117.465856][ T6925] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 117.469391][ T6925] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 117.470852][ T6925] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 117.475842][ T6925] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 117.546119][ T6925] hsr_slave_0: entered promiscuous mode [ 117.584901][ T6925] hsr_slave_1: entered promiscuous mode [ 117.624752][ T6925] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 117.626744][ T6925] Cannot create hsr debugfs directory [ 117.726231][ T6925] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 117.816654][ T6925] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 117.906225][ T6925] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 117.988943][ T6925] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 118.122307][ T6925] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 118.125718][ T6925] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 118.129083][ T6925] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 118.131857][ T6925] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 118.142753][ T6925] bridge0: port 2(bridge_slave_1) entered blocking state [ 118.144347][ T6925] bridge0: port 2(bridge_slave_1) entered forwarding state [ 118.145920][ T6925] bridge0: port 1(bridge_slave_0) entered blocking state [ 118.147448][ T6925] bridge0: port 1(bridge_slave_0) entered forwarding state [ 118.173345][ T6925] 8021q: adding VLAN 0 to HW filter on device bond0 [ 118.180505][ T38] bridge0: port 1(bridge_slave_0) entered disabled state [ 118.183779][ T38] bridge0: port 2(bridge_slave_1) entered disabled state [ 118.192084][ T6925] 8021q: adding VLAN 0 to HW filter on device team0 [ 118.199058][ T267] bridge0: port 1(bridge_slave_0) entered blocking state [ 118.200671][ T267] bridge0: port 1(bridge_slave_0) entered forwarding state [ 118.205180][ T267] bridge0: port 2(bridge_slave_1) entered blocking state [ 118.206704][ T267] bridge0: port 2(bridge_slave_1) entered forwarding state [ 118.288254][ T6925] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 118.307873][ T6925] veth0_vlan: entered promiscuous mode [ 118.312459][ T6925] veth1_vlan: entered promiscuous mode [ 118.327683][ T6925] veth0_macvtap: entered promiscuous mode [ 118.330532][ T6925] veth1_macvtap: entered promiscuous mode [ 118.338222][ T6925] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 118.340509][ T6925] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 118.343477][ T6925] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 118.347008][ T6925] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 118.349185][ T6925] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 118.351970][ T6925] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 118.357484][ T6925] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 118.359418][ T6925] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 118.361352][ T6925] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 118.363117][ T6925] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 118.393322][ T364] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 118.396338][ T364] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 118.407862][ T38] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 118.409674][ T38] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 119.374822][ T5991] Bluetooth: hci1: command tx timeout [ 120.805225][ T42] block nbd0: Possible stuck request 0000000075047c8c: control (read@0,4096B). Runtime 60 seconds [ 121.444618][ T5991] Bluetooth: hci1: command tx timeout [ 121.461291][ T6040] udevd[6040]: worker [6625] /devices/virtual/block/nbd0 is taking a long time [ 123.524474][ T5991] Bluetooth: hci1: command tx timeout [ 125.604577][ T5991] Bluetooth: hci1: command tx timeout [ 125.924936][ T2347] ieee802154 phy0 wpan0: encryption failed: -22 [ 125.926304][ T2347] ieee802154 phy1 wpan1: encryption failed: -22 [ 150.885449][ T42] block nbd0: Possible stuck request 0000000075047c8c: control (read@0,4096B). Runtime 90 seconds 1970/01/01 00:02:53 executed programs: 2 [ 175.530998][ T53] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 175.533591][ T53] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 175.536529][ T53] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 175.538724][ T53] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 175.540639][ T53] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 175.542323][ T53] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 175.608119][ T6942] chnl_net:caif_netlink_parms(): no params data found [ 175.634414][ T6942] bridge0: port 1(bridge_slave_0) entered blocking state [ 175.636156][ T6942] bridge0: port 1(bridge_slave_0) entered disabled state [ 175.637804][ T6942] bridge_slave_0: entered allmulticast mode [ 175.639499][ T6942] bridge_slave_0: entered promiscuous mode [ 175.642625][ T6942] bridge0: port 2(bridge_slave_1) entered blocking state [ 175.644108][ T6942] bridge0: port 2(bridge_slave_1) entered disabled state [ 175.646151][ T6942] bridge_slave_1: entered allmulticast mode [ 175.648108][ T6942] bridge_slave_1: entered promiscuous mode [ 175.660507][ T6942] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 175.663929][ T6942] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 175.675879][ T6942] team0: Port device team_slave_0 added [ 175.680061][ T6942] team0: Port device team_slave_1 added [ 175.691541][ T6942] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 175.693072][ T6942] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 175.698579][ T6942] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 175.701829][ T6942] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 175.703280][ T6942] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 175.709063][ T6942] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 175.796643][ T6942] hsr_slave_0: entered promiscuous mode [ 175.834705][ T6942] hsr_slave_1: entered promiscuous mode [ 175.874631][ T6942] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 175.876310][ T6942] Cannot create hsr debugfs directory [ 175.956893][ T6942] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 176.036332][ T6942] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 176.132158][ T6942] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 176.267203][ T6942] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 176.465855][ T6942] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 176.470387][ T6942] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 176.474112][ T6942] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 176.477614][ T6942] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 176.492607][ T6942] bridge0: port 2(bridge_slave_1) entered blocking state [ 176.494205][ T6942] bridge0: port 2(bridge_slave_1) entered forwarding state [ 176.495965][ T6942] bridge0: port 1(bridge_slave_0) entered blocking state [ 176.497548][ T6942] bridge0: port 1(bridge_slave_0) entered forwarding state [ 176.522558][ T6942] 8021q: adding VLAN 0 to HW filter on device bond0 [ 176.531344][ T818] bridge0: port 1(bridge_slave_0) entered disabled state [ 176.533977][ T818] bridge0: port 2(bridge_slave_1) entered disabled state [ 176.545679][ T6942] 8021q: adding VLAN 0 to HW filter on device team0 [ 176.551776][ T818] bridge0: port 1(bridge_slave_0) entered blocking state [ 176.553344][ T818] bridge0: port 1(bridge_slave_0) entered forwarding state [ 176.565318][ T364] bridge0: port 2(bridge_slave_1) entered blocking state [ 176.566887][ T364] bridge0: port 2(bridge_slave_1) entered forwarding state [ 176.644118][ T6942] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 176.661092][ T6942] veth0_vlan: entered promiscuous mode [ 176.666647][ T6942] veth1_vlan: entered promiscuous mode [ 176.680890][ T6942] veth0_macvtap: entered promiscuous mode [ 176.684094][ T6942] veth1_macvtap: entered promiscuous mode [ 176.691781][ T6942] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 176.694045][ T6942] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 176.697075][ T6942] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 176.699266][ T6942] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 176.702175][ T6942] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 176.707355][ T6942] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 176.709739][ T6942] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 176.711842][ T6942] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 176.714011][ T6942] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 176.718136][ T6942] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 176.723060][ T6942] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 176.725473][ T6942] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 176.727243][ T6942] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 176.729202][ T6942] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 176.768147][ T818] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 176.770003][ T818] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 176.785710][ T267] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 176.787925][ T267] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 177.604538][ T53] Bluetooth: hci2: command tx timeout [ 179.684480][ T53] Bluetooth: hci2: command tx timeout [ 180.967822][ T26] block nbd0: Possible stuck request 0000000075047c8c: control (read@0,4096B). Runtime 120 seconds [ 181.764744][ T53] Bluetooth: hci2: command tx timeout [ 183.844579][ T5991] Bluetooth: hci2: command tx timeout [ 184.324603][ T5991] Bluetooth: hci0: command 0x0406 tx timeout [ 187.365541][ T2347] ieee802154 phy0 wpan0: encryption failed: -22 [ 187.367043][ T2347] ieee802154 phy1 wpan1: encryption failed: -22 [ 211.064479][ T42] block nbd0: Possible stuck request 0000000075047c8c: control (read@0,4096B). Runtime 150 seconds [ 218.084688][ T31] INFO: task syz-executor.0:6719 blocked for more than 143 seconds. [ 218.086712][ T31] Not tainted 6.12.0-syzkaller-00237-g7b1d1d4cfac0 #0 [ 218.088415][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 218.090285][ T31] task:syz-executor.0 state:D stack:0 pid:6719 tgid:6719 ppid:6623 flags:0x00000005 [ 218.092346][ T31] Call trace: [ 218.093113][ T31] __switch_to+0x414/0x788 (T) [ 218.094148][ T31] __schedule+0x16e0/0x27d0 [ 218.096700][ T31] schedule+0xbc/0x238 [ 218.097631][ T31] schedule_preempt_disabled+0x18/0x2c [ 218.098801][ T31] __mutex_lock_common+0xbd8/0x21a0 [ 218.099818][ T31] mutex_lock_nested+0x2c/0x38 [ 218.100810][ T31] bdev_release+0x168/0x644 [ 218.101739][ T31] blkdev_release+0x20/0x34 [ 218.102665][ T31] __fput+0x1bc/0x75c [ 218.103488][ T31] __fput_sync+0x5c/0x94 [ 218.104470][ T31] __arm64_sys_close+0x14c/0x1d8 [ 218.105485][ T31] invoke_syscall+0x98/0x2b8 [ 218.106378][ T31] el0_svc_common+0x130/0x23c [ 218.107297][ T31] do_el0_svc+0x48/0x58 [ 218.108102][ T31] el0_svc+0x54/0x168 [ 218.108880][ T31] el0t_64_sync_handler+0x84/0x108 [ 218.110028][ T31] el0t_64_sync+0x198/0x19c [ 218.111080][ T31] INFO: task syz-executor.0:6720 blocked for more than 143 seconds. [ 218.112846][ T31] Not tainted 6.12.0-syzkaller-00237-g7b1d1d4cfac0 #0 [ 218.114235][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 218.116023][ T31] task:syz-executor.0 state:D stack:0 pid:6720 tgid:6719 ppid:6623 flags:0x0000000d [ 218.118001][ T31] Call trace: [ 218.118676][ T31] __switch_to+0x414/0x788 (T) [ 218.119721][ T31] __schedule+0x16e0/0x27d0 [ 218.120884][ T31] schedule+0xbc/0x238 [ 218.121742][ T31] schedule_preempt_disabled+0x18/0x2c [ 218.122819][ T31] __mutex_lock_common+0xbd8/0x21a0 [ 218.123812][ T31] mutex_lock_nested+0x2c/0x38 [ 218.124851][ T31] bdev_release+0x168/0x644 [ 218.125729][ T31] blkdev_release+0x20/0x34 [ 218.126745][ T31] __fput+0x1bc/0x75c [ 218.127669][ T31] ____fput+0x20/0x30 [ 218.128606][ T31] task_work_run+0x230/0x2e0 [ 218.129674][ T31] do_notify_resume+0x178/0x1f4 [ 218.130919][ T31] el0_svc+0xac/0x168 [ 218.131731][ T31] el0t_64_sync_handler+0x84/0x108 [ 218.132713][ T31] el0t_64_sync+0x198/0x19c [ 218.133638][ T31] [ 218.133638][ T31] Showing all locks held in the system: [ 218.135328][ T31] 1 lock held by khungtaskd/31: [ 218.136311][ T31] #0: ffff80008faafee0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 218.138461][ T31] 2 locks held by getty/6185: [ 218.139526][ T31] #0: ffff0000d7c580a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c [ 218.141628][ T31] #1: ffff80009b94b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x41c/0x1228 [ 218.143742][ T31] 1 lock held by udevd/6625: [ 218.144841][ T31] #0: ffff0000ca8434c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0xd0/0xbd0 [ 218.146844][ T31] 1 lock held by syz-executor.0/6719: [ 218.148074][ T31] #0: ffff0000ca8434c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_release+0x168/0x644 [ 218.150428][ T31] 1 lock held by syz-executor.0/6720: [ 218.151491][ T31] #0: ffff0000ca8434c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_release+0x168/0x644 [ 218.153352][ T31] 1 lock held by syz-executor.0/6938: [ 218.154437][ T31] #0: ffff0000ca8434c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0xd0/0xbd0 [ 218.156527][ T31] 1 lock held by syz-executor.0/6939: [ 218.157822][ T31] #0: ffff0000ca8434c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0xd0/0xbd0 [ 218.160058][ T31] 1 lock held by syz-executor.0/6955: [ 218.161126][ T31] #0: ffff0000ca8434c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0xd0/0xbd0 [ 218.162990][ T31] 1 lock held by syz-executor.0/6956: [ 218.164166][ T31] #0: ffff0000ca8434c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0xd0/0xbd0 [ 218.166229][ T31] [ 218.166892][ T31] ============================================= [ 218.166892][ T31] [ 218.168869][ T31] Kernel panic - not syncing: hung_task: blocked tasks [ 218.170160][ T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted 6.12.0-syzkaller-00237-g7b1d1d4cfac0 #0 [ 218.172161][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 218.174173][ T31] Call trace: [ 218.175042][ T31] show_stack+0x2c/0x3c (C) [ 218.176012][ T31] dump_stack_lvl+0xe4/0x150 [ 218.177099][ T31] dump_stack+0x1c/0x28 [ 218.177924][ T31] panic+0x300/0x8a0 [ 218.178693][ T31] hung_task_panic+0x0/0x2c [ 218.179578][ T31] kthread+0x288/0x310 [ 218.180358][ T31] ret_from_fork+0x10/0x20 [ 218.181244][ T31] SMP: stopping secondary CPUs [ 218.182330][ T31] Kernel Offset: disabled [ 218.183203][ T31] CPU features: 0x40,0000081c,00800250,82017203 [ 218.184449][ T31] Memory Limit: none [ 218.617082][ T31] Rebooting in 86400 seconds..