Warning: Permanently added '10.128.1.242' (ED25519) to the list of known hosts. 1970/01/01 00:00:49 ignoring optional flag "type"="gce" 1970/01/01 00:00:49 parsed 1 programs 1970/01/01 00:00:49 executed programs: 0 [ 50.572207][ T53] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 50.572666][ T53] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 50.572843][ T53] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 50.573143][ T53] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 50.573337][ T53] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 50.620486][ T6745] chnl_net:caif_netlink_parms(): no params data found [ 50.642054][ T6745] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.642088][ T6745] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.642138][ T6745] bridge_slave_0: entered allmulticast mode [ 50.642541][ T6745] bridge_slave_0: entered promiscuous mode [ 50.643195][ T6745] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.643213][ T6745] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.643253][ T6745] bridge_slave_1: entered allmulticast mode [ 50.643649][ T6745] bridge_slave_1: entered promiscuous mode [ 50.654618][ T6745] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 50.655454][ T6745] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 50.662471][ T6745] team0: Port device team_slave_0 added [ 50.663150][ T6745] team0: Port device team_slave_1 added [ 50.669769][ T6745] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 50.669787][ T6745] 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 1532 would solve the problem. [ 50.669799][ T6745] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 50.670576][ T6745] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 50.670583][ T6745] 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 1532 would solve the problem. [ 50.670596][ T6745] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 50.688208][ T6745] hsr_slave_0: entered promiscuous mode [ 50.689722][ T6745] hsr_slave_1: entered promiscuous mode [ 51.002301][ T6745] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 51.009225][ T6745] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 51.011731][ T6745] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 51.014179][ T6745] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 51.024306][ T6745] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.024344][ T6745] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.024405][ T6745] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.024428][ T6745] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.040085][ T6745] 8021q: adding VLAN 0 to HW filter on device bond0 [ 51.043603][ T4700] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.044968][ T4700] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.051252][ T6745] 8021q: adding VLAN 0 to HW filter on device team0 [ 51.054973][ T4700] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.055012][ T4700] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.060491][ T4656] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.060525][ T4656] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.111845][ T6745] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 51.122485][ T6745] veth0_vlan: entered promiscuous mode [ 51.125618][ T6745] veth1_vlan: entered promiscuous mode [ 51.137128][ T6745] veth0_macvtap: entered promiscuous mode [ 51.139555][ T6745] veth1_macvtap: entered promiscuous mode [ 51.144242][ T6745] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 51.147854][ T6745] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 51.152158][ T4700] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.152202][ T4700] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.152226][ T4700] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.152241][ T4700] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.272276][ T6839] nbd0: detected capacity change from 0 to 126 [ 52.021339][ T53] block nbd0: Receive control failed (result -104) [ 52.649544][ T53] Bluetooth: hci0: command tx timeout [ 54.728952][ T53] Bluetooth: hci0: command tx timeout [ 56.809221][ T53] Bluetooth: hci0: command tx timeout [ 58.889211][ T53] Bluetooth: hci0: command tx timeout [ 64.490512][ T2453] ieee802154 phy0 wpan0: encryption failed: -22 [ 64.490567][ T2453] ieee802154 phy1 wpan1: encryption failed: -22 [ 64.491647][ T2319] cfg80211: failed to load regulatory.db [ 81.769971][ T57] block nbd0: Possible stuck request 00000000dfbc9c3d: control (read@0,4096B). Runtime 30 seconds 1970/01/01 00:01:46 executed programs: 1 [ 108.252507][ T6147] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 108.254125][ T6147] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 108.254838][ T6147] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 108.255139][ T6147] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 108.255322][ T6147] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 108.298452][ T6945] chnl_net:caif_netlink_parms(): no params data found [ 108.317300][ T6945] bridge0: port 1(bridge_slave_0) entered blocking state [ 108.317379][ T6945] bridge0: port 1(bridge_slave_0) entered disabled state [ 108.317434][ T6945] bridge_slave_0: entered allmulticast mode [ 108.317839][ T6945] bridge_slave_0: entered promiscuous mode [ 108.319543][ T6945] bridge0: port 2(bridge_slave_1) entered blocking state [ 108.319790][ T6945] bridge0: port 2(bridge_slave_1) entered disabled state [ 108.319859][ T6945] bridge_slave_1: entered allmulticast mode [ 108.320261][ T6945] bridge_slave_1: entered promiscuous mode [ 108.330617][ T6945] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 108.331425][ T6945] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 108.338535][ T6945] team0: Port device team_slave_0 added [ 108.339681][ T6945] team0: Port device team_slave_1 added [ 108.345831][ T6945] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 108.345966][ T6945] 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 1532 would solve the problem. [ 108.345985][ T6945] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 108.346527][ T6945] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 108.346534][ T6945] 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 1532 would solve the problem. [ 108.346546][ T6945] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 108.365509][ T6945] hsr_slave_0: entered promiscuous mode [ 108.365803][ T6945] hsr_slave_1: entered promiscuous mode [ 108.365995][ T6945] debugfs: 'hsr0' already exists in 'hsr' [ 108.366036][ T6945] Cannot create hsr debugfs directory [ 108.397834][ T6945] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 108.463775][ T6945] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 108.514321][ T6945] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 108.554664][ T6945] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 108.673880][ T6945] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 108.676253][ T6945] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 108.678371][ T6945] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 108.680555][ T6945] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 108.688114][ T6945] bridge0: port 2(bridge_slave_1) entered blocking state [ 108.688153][ T6945] bridge0: port 2(bridge_slave_1) entered forwarding state [ 108.688249][ T6945] bridge0: port 1(bridge_slave_0) entered blocking state [ 108.688280][ T6945] bridge0: port 1(bridge_slave_0) entered forwarding state [ 108.700527][ T6945] 8021q: adding VLAN 0 to HW filter on device bond0 [ 108.703286][ T239] bridge0: port 1(bridge_slave_0) entered disabled state [ 108.704591][ T239] bridge0: port 2(bridge_slave_1) entered disabled state [ 108.709538][ T6945] 8021q: adding VLAN 0 to HW filter on device team0 [ 108.712708][ T4700] bridge0: port 1(bridge_slave_0) entered blocking state [ 108.712753][ T4700] bridge0: port 1(bridge_slave_0) entered forwarding state [ 108.716140][ T4700] bridge0: port 2(bridge_slave_1) entered blocking state [ 108.716186][ T4700] bridge0: port 2(bridge_slave_1) entered forwarding state [ 108.763288][ T6945] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 108.774721][ T6945] veth0_vlan: entered promiscuous mode [ 108.776195][ T6945] veth1_vlan: entered promiscuous mode [ 108.782036][ T6945] veth0_macvtap: entered promiscuous mode [ 108.782951][ T6945] veth1_macvtap: entered promiscuous mode [ 108.786703][ T6945] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 108.787922][ T6945] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 108.792769][ T4700] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 108.794625][ T4700] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 108.796207][ T4700] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 108.796246][ T4700] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 110.339009][ T6147] Bluetooth: hci1: command tx timeout [ 111.839031][ T6194] udevd[6194]: worker [6747] /devices/virtual/block/nbd0 is taking a long time [ 111.859480][ T57] block nbd0: Possible stuck request 00000000dfbc9c3d: control (read@0,4096B). Runtime 60 seconds [ 112.408946][ T6147] Bluetooth: hci1: command tx timeout [ 114.489166][ T6147] Bluetooth: hci1: command tx timeout [ 116.568949][ T6147] Bluetooth: hci1: command tx timeout [ 125.929564][ T2453] ieee802154 phy0 wpan0: encryption failed: -22 [ 125.929606][ T2453] ieee802154 phy1 wpan1: encryption failed: -22 [ 141.929330][ T57] block nbd0: Possible stuck request 00000000dfbc9c3d: control (read@0,4096B). Runtime 90 seconds 1970/01/01 00:02:43 executed programs: 2 [ 165.851938][ T53] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 165.853302][ T53] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 165.854835][ T53] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 165.856630][ T53] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 165.857998][ T53] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 165.902140][ T6975] chnl_net:caif_netlink_parms(): no params data found [ 165.920566][ T6975] bridge0: port 1(bridge_slave_0) entered blocking state [ 165.920640][ T6975] bridge0: port 1(bridge_slave_0) entered disabled state [ 165.920696][ T6975] bridge_slave_0: entered allmulticast mode [ 165.921101][ T6975] bridge_slave_0: entered promiscuous mode [ 165.921904][ T6975] bridge0: port 2(bridge_slave_1) entered blocking state [ 165.921949][ T6975] bridge0: port 2(bridge_slave_1) entered disabled state [ 165.922004][ T6975] bridge_slave_1: entered allmulticast mode [ 165.922390][ T6975] bridge_slave_1: entered promiscuous mode [ 165.933215][ T6975] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 165.934065][ T6975] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 165.940503][ T6975] team0: Port device team_slave_0 added [ 165.941226][ T6975] team0: Port device team_slave_1 added [ 165.948151][ T6975] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 165.948181][ T6975] 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 1532 would solve the problem. [ 165.948194][ T6975] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 165.949164][ T6975] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 165.949175][ T6975] 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 1532 would solve the problem. [ 165.949193][ T6975] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 165.966104][ T6975] hsr_slave_0: entered promiscuous mode [ 165.966430][ T6975] hsr_slave_1: entered promiscuous mode [ 165.967212][ T6975] debugfs: 'hsr0' already exists in 'hsr' [ 165.967222][ T6975] Cannot create hsr debugfs directory [ 165.998151][ T6975] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 166.043501][ T6975] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 166.094077][ T6975] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 166.134872][ T6975] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 166.221817][ T6975] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 166.223929][ T6975] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 166.226046][ T6975] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 166.228029][ T6975] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 166.236147][ T6975] bridge0: port 2(bridge_slave_1) entered blocking state [ 166.236182][ T6975] bridge0: port 2(bridge_slave_1) entered forwarding state [ 166.236248][ T6975] bridge0: port 1(bridge_slave_0) entered blocking state [ 166.236271][ T6975] bridge0: port 1(bridge_slave_0) entered forwarding state [ 166.252025][ T6975] 8021q: adding VLAN 0 to HW filter on device bond0 [ 166.256103][ T4656] bridge0: port 1(bridge_slave_0) entered disabled state [ 166.257419][ T4656] bridge0: port 2(bridge_slave_1) entered disabled state [ 166.261544][ T6975] 8021q: adding VLAN 0 to HW filter on device team0 [ 166.264106][ T4656] bridge0: port 1(bridge_slave_0) entered blocking state [ 166.264143][ T4656] bridge0: port 1(bridge_slave_0) entered forwarding state [ 166.269888][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 166.269919][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 166.313571][ T6975] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 166.325627][ T6975] veth0_vlan: entered promiscuous mode [ 166.327109][ T6975] veth1_vlan: entered promiscuous mode [ 166.332440][ T6975] veth0_macvtap: entered promiscuous mode [ 166.333320][ T6975] veth1_macvtap: entered promiscuous mode [ 166.336488][ T6975] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 166.338102][ T6975] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 166.342058][ T4656] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 166.342154][ T4656] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 166.342210][ T4656] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 166.342225][ T4656] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 167.938980][ T53] Bluetooth: hci2: command tx timeout [ 170.018988][ T53] Bluetooth: hci2: command tx timeout [ 172.010327][ T57] block nbd0: Possible stuck request 00000000dfbc9c3d: control (read@0,4096B). Runtime 120 seconds [ 172.088981][ T6147] Bluetooth: hci2: command tx timeout [ 174.088995][ T6147] Bluetooth: hci0: command 0x0406 tx timeout [ 174.168966][ T53] Bluetooth: hci2: command tx timeout [ 187.369417][ T2453] ieee802154 phy0 wpan0: encryption failed: -22 [ 187.369464][ T2453] ieee802154 phy1 wpan1: encryption failed: -22 [ 202.089521][ T57] block nbd0: Possible stuck request 00000000dfbc9c3d: control (read@0,4096B). Runtime 150 seconds [ 212.969068][ T32] INFO: task syz-executor.0:6827 blocked for more than 143 seconds. [ 212.971002][ T32] Not tainted syzkaller #0 [ 212.971992][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 212.972010][ T32] task:syz-executor.0 state:D stack:0 pid:6827 tgid:6827 ppid:6745 task_flags:0x400040 flags:0x00000009 [ 212.972042][ T32] Call trace: [ 212.972052][ T32] __switch_to+0x418/0x87c (T) [ 212.972075][ T32] __schedule+0x13b0/0x2864 [ 212.972086][ T32] schedule+0xb4/0x230 [ 212.972096][ T32] schedule_preempt_disabled+0x18/0x2c [ 212.972106][ T32] __mutex_lock_common+0xd04/0x2678 [ 212.972116][ T32] mutex_lock_nested+0x2c/0x38 [ 212.972126][ T32] bdev_release+0x154/0x654 [ 212.972137][ T32] blkdev_release+0x20/0x34 [ 212.972148][ T32] __fput+0x340/0x75c [ 212.972159][ T32] fput_close_sync+0x100/0x224 [ 212.972168][ T32] __arm64_sys_close+0x7c/0x118 [ 212.972177][ T32] invoke_syscall+0x98/0x254 [ 212.972186][ T32] el0_svc_common+0xe8/0x23c [ 212.972195][ T32] do_el0_svc+0x48/0x58 [ 212.972203][ T32] el0_svc+0x5c/0x254 [ 212.972213][ T32] el0t_64_sync_handler+0x84/0x12c [ 212.972223][ T32] el0t_64_sync+0x198/0x19c [ 212.972233][ T32] INFO: task syz-executor.0:6829 blocked for more than 143 seconds. [ 212.972241][ T32] Not tainted syzkaller #0 [ 212.972247][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 212.972253][ T32] task:syz-executor.0 state:D stack:0 pid:6829 tgid:6827 ppid:6745 task_flags:0x400140 flags:0x00000019 [ 212.972268][ T32] Call trace: [ 212.972273][ T32] __switch_to+0x418/0x87c (T) [ 212.972282][ T32] __schedule+0x13b0/0x2864 [ 212.972291][ T32] schedule+0xb4/0x230 [ 212.972299][ T32] schedule_preempt_disabled+0x18/0x2c [ 212.972308][ T32] __mutex_lock_common+0xd04/0x2678 [ 212.972317][ T32] mutex_lock_nested+0x2c/0x38 [ 212.972326][ T32] bdev_release+0x154/0x654 [ 212.972336][ T32] blkdev_release+0x20/0x34 [ 212.972346][ T32] __fput+0x340/0x75c [ 212.972355][ T32] ____fput+0x20/0x58 [ 212.972364][ T32] task_work_run+0x1dc/0x260 [ 212.972374][ T32] exit_to_user_mode_loop+0xfc/0x178 [ 212.972384][ T32] el0_svc+0x170/0x254 [ 212.972393][ T32] el0t_64_sync_handler+0x84/0x12c [ 212.972403][ T32] el0t_64_sync+0x198/0x19c [ 212.972421][ T32] [ 212.972421][ T32] Showing all locks held in the system: [ 212.972430][ T32] 1 lock held by khungtaskd/32: [ 212.972437][ T32] #0: ffff80008f76b6a0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire+0x4/0x48 [ 212.972484][ T32] 2 locks held by kworker/0:2/2319: [ 212.972498][ T32] 1 lock held by klogd/6183: [ 212.972505][ T32] 2 locks held by getty/6340: [ 212.972511][ T32] #0: ffff0000d39ac0a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c [ 212.972545][ T32] #1: ffff80009baa72f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x34c/0xfa4 [ 212.972584][ T32] 1 lock held by udevd/6747: [ 212.972591][ T32] #0: ffff0000cb85e358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xcc/0xc20 [ 212.972626][ T32] 1 lock held by syz-executor.0/6827: [ 212.972633][ T32] #0: ffff0000cb85e358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x154/0x654 [ 212.972666][ T32] 1 lock held by syz-executor.0/6829: [ 212.972673][ T32] #0: ffff0000cb85e358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x154/0x654 [ 212.972707][ T32] 1 lock held by syz-executor.0/6966: [ 212.972713][ T32] #0: ffff0000cb85e358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xcc/0xc20 [ 212.972751][ T32] 1 lock held by syz-executor.0/6967: [ 212.972758][ T32] #0: ffff0000cb85e358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xcc/0xc20 [ 212.972798][ T32] 1 lock held by syz-executor.0/6994: [ 212.972804][ T32] #0: ffff0000cb85e358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xcc/0xc20 [ 212.972838][ T32] 1 lock held by syz-executor.0/6995: [ 212.972844][ T32] #0: ffff0000cb85e358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xcc/0xc20 [ 212.972877][ T32] [ 212.972882][ T32] ============================================= [ 212.972882][ T32] [ 212.972889][ T32] Kernel panic - not syncing: hung_task: blocked tasks [ 213.027826][ T32] CPU: 0 UID: 0 PID: 32 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT [ 213.029042][ T32] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 213.030445][ T32] Call trace: [ 213.030903][ T32] show_stack+0x2c/0x3c (C) [ 213.031546][ T32] __dump_stack+0x30/0x40 [ 213.032151][ T32] dump_stack_lvl+0x30/0x12c [ 213.032768][ T32] dump_stack+0x1c/0x28 [ 213.033350][ T32] vpanic+0x22c/0x6c0 [ 213.033911][ T32] vpanic+0x0/0x6c0 [ 213.034448][ T32] hung_task_panic+0x0/0x2c [ 213.035081][ T32] kthread+0x5fc/0x75c [ 213.035657][ T32] ret_from_fork+0x10/0x20 [ 213.036279][ T32] SMP: stopping secondary CPUs [ 213.036938][ T32] Kernel Offset: disabled [ 213.037527][ T32] CPU features: 0x100000,0001e000,42702281,5427fea7 [ 213.038417][ T32] Memory Limit: none [ 213.250595][ T32] Rebooting in 86400 seconds..