Warning: Permanently added '10.128.1.136' (ED25519) to the list of known hosts. 1970/01/01 00:00:44 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:44 ignoring optional flag "type"="gce" 1970/01/01 00:00:44 parsed 1 programs [ 44.586984][ T6869] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SS 1970/01/01 00:00:44 executed programs: 0 [ 44.602278][ T6119] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 44.604097][ T6119] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 44.606039][ T6119] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 44.607733][ T6119] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 44.608647][ T6119] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 44.651732][ T6876] chnl_net:caif_netlink_parms(): no params data found [ 44.672738][ T6876] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.672812][ T6876] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.672863][ T6876] bridge_slave_0: entered allmulticast mode [ 44.673246][ T6876] bridge_slave_0: entered promiscuous mode [ 44.674472][ T6876] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.674521][ T6876] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.674568][ T6876] bridge_slave_1: entered allmulticast mode [ 44.674964][ T6876] bridge_slave_1: entered promiscuous mode [ 44.684409][ T6876] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 44.685391][ T6876] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 44.693405][ T6876] team0: Port device team_slave_0 added [ 44.694141][ T6876] team0: Port device team_slave_1 added [ 44.700799][ T6876] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 44.700819][ T6876] 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. [ 44.700833][ T6876] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 44.701293][ T6876] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 44.701299][ T6876] 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. [ 44.701312][ T6876] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 44.716998][ T6876] hsr_slave_0: entered promiscuous mode [ 44.717273][ T6876] hsr_slave_1: entered promiscuous mode [ 45.144125][ T6876] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 45.147662][ T6876] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 45.153584][ T6876] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 45.156256][ T6876] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 45.173701][ T6876] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.173746][ T6876] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.173813][ T6876] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.173840][ T6876] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.197381][ T6876] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.202734][ T1508] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.204826][ T1508] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.219072][ T6876] 8021q: adding VLAN 0 to HW filter on device team0 [ 45.226288][ T4802] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.226328][ T4802] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.230097][ T4802] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.230129][ T4802] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.288380][ T6876] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 45.297128][ T6876] veth0_vlan: entered promiscuous mode [ 45.302480][ T6876] veth1_vlan: entered promiscuous mode [ 45.312843][ T6876] veth0_macvtap: entered promiscuous mode [ 45.315061][ T6876] veth1_macvtap: entered promiscuous mode [ 45.319793][ T6876] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 45.330236][ T6876] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 45.333700][ T1508] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.333748][ T1508] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.333767][ T1508] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.333786][ T1508] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.362462][ T1508] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 45.362496][ T1508] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 45.367011][ T4802] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 45.367044][ T4802] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 45.458944][ T6978] nbd0: detected capacity change from 0 to 121732 [ 46.234948][ T6119] block nbd0: Receive control failed (result -104) [ 46.668539][ T6119] Bluetooth: hci0: command tx timeout [ 48.747838][ T6119] Bluetooth: hci0: command tx timeout [ 50.827946][ T6119] Bluetooth: hci0: command tx timeout [ 52.907840][ T6119] Bluetooth: hci0: command tx timeout [ 64.508688][ T2411] ieee802154 phy0 wpan0: encryption failed: -22 [ 64.508743][ T2411] ieee802154 phy1 wpan1: encryption failed: -22 [ 64.519216][ T10] cfg80211: failed to load regulatory.db [ 76.028778][ T1947] block nbd0: Possible stuck request 00000000a0f3bde0: control (read@0,4096B). Runtime 30 seconds 1970/01/01 00:01:40 executed programs: 1 [ 101.411308][ T52] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 101.412596][ T52] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 101.412855][ T52] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 101.413171][ T52] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 101.413351][ T52] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 101.461024][ T7246] chnl_net:caif_netlink_parms(): no params data found [ 101.480987][ T7246] bridge0: port 1(bridge_slave_0) entered blocking state [ 101.481065][ T7246] bridge0: port 1(bridge_slave_0) entered disabled state [ 101.481136][ T7246] bridge_slave_0: entered allmulticast mode [ 101.481542][ T7246] bridge_slave_0: entered promiscuous mode [ 101.482192][ T7246] bridge0: port 2(bridge_slave_1) entered blocking state [ 101.482208][ T7246] bridge0: port 2(bridge_slave_1) entered disabled state [ 101.482247][ T7246] bridge_slave_1: entered allmulticast mode [ 101.482620][ T7246] bridge_slave_1: entered promiscuous mode [ 101.494029][ T7246] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 101.495411][ T7246] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 101.503195][ T7246] team0: Port device team_slave_0 added [ 101.503856][ T7246] team0: Port device team_slave_1 added [ 101.511002][ T7246] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 101.511022][ T7246] 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. [ 101.511036][ T7246] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 101.511509][ T7246] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 101.511515][ T7246] 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. [ 101.511528][ T7246] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 101.529787][ T7246] hsr_slave_0: entered promiscuous mode [ 101.530065][ T7246] hsr_slave_1: entered promiscuous mode [ 101.530248][ T7246] debugfs: 'hsr0' already exists in 'hsr' [ 101.530295][ T7246] Cannot create hsr debugfs directory [ 101.562107][ T7246] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 101.612756][ T7246] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 101.652789][ T7246] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 101.703904][ T7246] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 101.840941][ T7246] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 101.843419][ T7246] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 101.846315][ T7246] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 101.848514][ T7246] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 101.856671][ T7246] bridge0: port 2(bridge_slave_1) entered blocking state [ 101.856793][ T7246] bridge0: port 2(bridge_slave_1) entered forwarding state [ 101.856856][ T7246] bridge0: port 1(bridge_slave_0) entered blocking state [ 101.856882][ T7246] bridge0: port 1(bridge_slave_0) entered forwarding state [ 101.868644][ T7246] 8021q: adding VLAN 0 to HW filter on device bond0 [ 101.871462][ T2636] bridge0: port 1(bridge_slave_0) entered disabled state [ 101.873125][ T2636] bridge0: port 2(bridge_slave_1) entered disabled state [ 101.877556][ T7246] 8021q: adding VLAN 0 to HW filter on device team0 [ 101.883045][ T2636] bridge0: port 1(bridge_slave_0) entered blocking state [ 101.883084][ T2636] bridge0: port 1(bridge_slave_0) entered forwarding state [ 101.886077][ T2636] bridge0: port 2(bridge_slave_1) entered blocking state [ 101.886108][ T2636] bridge0: port 2(bridge_slave_1) entered forwarding state [ 101.934858][ T7246] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 101.943812][ T7246] veth0_vlan: entered promiscuous mode [ 101.945239][ T7246] veth1_vlan: entered promiscuous mode [ 101.955044][ T7246] veth0_macvtap: entered promiscuous mode [ 101.955898][ T7246] veth1_macvtap: entered promiscuous mode [ 101.959159][ T7246] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 101.960156][ T7246] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 101.962807][ T2636] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 101.963365][ T2636] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 101.963381][ T2636] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 101.963394][ T2636] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 101.989932][ T4802] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 101.989959][ T4802] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 101.999822][ T4802] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 101.999847][ T4802] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 103.467902][ T52] Bluetooth: hci1: command tx timeout [ 105.547863][ T52] Bluetooth: hci1: command tx timeout [ 106.108240][ T1947] block nbd0: Possible stuck request 00000000a0f3bde0: control (read@0,4096B). Runtime 60 seconds [ 107.627865][ T52] Bluetooth: hci1: command tx timeout [ 108.035928][ T6167] udevd[6167]: worker [6878] /devices/virtual/block/nbd0 is taking a long time [ 109.707879][ T52] Bluetooth: hci1: command tx timeout [ 125.948290][ T2411] ieee802154 phy0 wpan0: encryption failed: -22 [ 125.948327][ T2411] ieee802154 phy1 wpan1: encryption failed: -22 [ 136.198404][ T1947] block nbd0: Possible stuck request 00000000a0f3bde0: control (read@0,4096B). Runtime 90 seconds 1970/01/01 00:02:36 executed programs: 2 [ 158.040365][ T6119] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 158.041585][ T6119] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 158.041760][ T6119] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 158.042030][ T6119] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 158.042209][ T6119] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 158.090948][ T7274] chnl_net:caif_netlink_parms(): no params data found [ 158.109882][ T7274] bridge0: port 1(bridge_slave_0) entered blocking state [ 158.109921][ T7274] bridge0: port 1(bridge_slave_0) entered disabled state [ 158.109995][ T7274] bridge_slave_0: entered allmulticast mode [ 158.110395][ T7274] bridge_slave_0: entered promiscuous mode [ 158.110952][ T7274] bridge0: port 2(bridge_slave_1) entered blocking state [ 158.110967][ T7274] bridge0: port 2(bridge_slave_1) entered disabled state [ 158.111027][ T7274] bridge_slave_1: entered allmulticast mode [ 158.111397][ T7274] bridge_slave_1: entered promiscuous mode [ 158.123197][ T7274] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 158.124045][ T7274] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 158.130493][ T7274] team0: Port device team_slave_0 added [ 158.131587][ T7274] team0: Port device team_slave_1 added [ 158.138559][ T7274] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 158.138591][ T7274] 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. [ 158.138902][ T7274] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 158.139438][ T7274] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 158.139445][ T7274] 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. [ 158.139457][ T7274] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 158.157614][ T7274] hsr_slave_0: entered promiscuous mode [ 158.158594][ T7274] hsr_slave_1: entered promiscuous mode [ 158.159101][ T7274] debugfs: 'hsr0' already exists in 'hsr' [ 158.159111][ T7274] Cannot create hsr debugfs directory [ 158.191566][ T7274] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 158.243128][ T7274] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 158.294188][ T7274] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 158.353933][ T7274] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 158.490831][ T7274] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 158.493123][ T7274] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 158.495271][ T7274] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 158.497289][ T7274] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 158.506116][ T7274] bridge0: port 2(bridge_slave_1) entered blocking state [ 158.506153][ T7274] bridge0: port 2(bridge_slave_1) entered forwarding state [ 158.506223][ T7274] bridge0: port 1(bridge_slave_0) entered blocking state [ 158.506245][ T7274] bridge0: port 1(bridge_slave_0) entered forwarding state [ 158.520468][ T7274] 8021q: adding VLAN 0 to HW filter on device bond0 [ 158.523362][ T4802] bridge0: port 1(bridge_slave_0) entered disabled state [ 158.525116][ T4802] bridge0: port 2(bridge_slave_1) entered disabled state [ 158.530604][ T7274] 8021q: adding VLAN 0 to HW filter on device team0 [ 158.533225][ T4802] bridge0: port 1(bridge_slave_0) entered blocking state [ 158.533265][ T4802] bridge0: port 1(bridge_slave_0) entered forwarding state [ 158.537152][ T4802] bridge0: port 2(bridge_slave_1) entered blocking state [ 158.537184][ T4802] bridge0: port 2(bridge_slave_1) entered forwarding state [ 158.545792][ T7274] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 158.545823][ T7274] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 158.586607][ T7274] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 158.597278][ T7274] veth0_vlan: entered promiscuous mode [ 158.599376][ T7274] veth1_vlan: entered promiscuous mode [ 158.605868][ T7274] veth0_macvtap: entered promiscuous mode [ 158.606812][ T7274] veth1_macvtap: entered promiscuous mode [ 158.613781][ T7274] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 158.614781][ T7274] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 158.618335][ T4720] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 158.618388][ T4720] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 158.618408][ T4720] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 158.618426][ T4720] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 158.640522][ T4802] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 158.640548][ T4802] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 158.651003][ T4802] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 158.652582][ T4802] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 160.107906][ T52] Bluetooth: hci2: command tx timeout [ 162.187870][ T52] Bluetooth: hci2: command tx timeout [ 164.278328][ T52] Bluetooth: hci2: command tx timeout [ 166.268043][ T1947] block nbd0: Possible stuck request 00000000a0f3bde0: control (read@0,4096B). Runtime 120 seconds [ 166.347864][ T52] Bluetooth: hci2: command tx timeout [ 168.998105][ T52] Bluetooth: hci0: command 0x0406 tx timeout [ 187.388542][ T2411] ieee802154 phy0 wpan0: encryption failed: -22 [ 187.388583][ T2411] ieee802154 phy1 wpan1: encryption failed: -22 [ 189.3079 ** replaying previous printk message ** [ 189.307927][ T32] INFO: task syz-executor.0:6978 blocked for more than 143 seconds. [ 189.307957][ T32] Not tainted 6.17.0-rc1-syzkaller-g8f5ae30d69d7 #0 [ 189.307977][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 189.307984][ T32] task:syz-executor.0 state:D stack:0 pid:6978 tgid:6977 ppid:6876 task_flags:0x400140 flags:0x00000019 [ 189.308003][ T32] Call trace: [ 189.308009][ T32] __switch_to+0x418/0x87c (T) [ 189.308030][ T32] __schedule+0x13b0/0x2864 [ 189.308041][ T32] schedule+0xb4/0x230 [ 189.308051][ T32] schedule_preempt_disabled+0x18/0x2c [ 189.308060][ T32] __mutex_lock_common+0xca0/0x24ac [ 189.308068][ T32] mutex_lock_nested+0x2c/0x38 [ 189.308077][ T32] bdev_release+0x154/0x654 [ 189.308087][ T32] blkdev_release+0x20/0x34 [ 189.308093][ T32] __fput+0x340/0x75c [ 189.308102][ T32] ____fput+0x20/0x58 [ 189.308109][ T32] task_work_run+0x1dc/0x260 [ 189.308117][ T32] get_signal+0x112c/0x12f8 [ 189.308125][ T32] do_signal+0x274/0x4434 [ 189.308131][ T32] do_notify_resume+0xb0/0x1f4 [ 189.308138][ T32] el0_svc+0xb8/0x180 [ 189.308145][ T32] el0t_64_sync_handler+0x84/0x12c [ 189.308151][ T32] el0t_64_sync+0x198/0x19c [ 189.308164][ T32] [ 189.308164][ T32] Showing all locks held in the system: [ 189.308169][ T32] 1 lock held by khungtaskd/32: [ 189.308173][ T32] #0: ffff80008f9a9060 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire+0x4/0x48 [ 189.308194][ T32] 2 locks held by pr/ttyAMA-1/43: [ 189.308205][ T32] 2 locks held by getty/6309: [ 189.308208][ T32] #0: ffff0000d73d10a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c [ 189.308225][ T32] #1: ffff80009bbae2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x34c/0xfa4 [ 189.308244][ T32] 1 lock held by udevd/6878: [ 189.308248][ T32] #0: ffff0000ca270358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xcc/0xc20 [ 189.308265][ T32] 1 lock held by syz-executor.0/6978: [ 189.308268][ T32] #0: ffff0000ca270358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x154/0x654 [ 189.308284][ T32] 1 lock held by syz-executor.0/7265: [ 189.308287][ T32] #0: ffff0000ca270358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xcc/0xc20 [ 189.308303][ T32] 1 lock held by syz-executor.0/7293: [ 189.308306][ T32] #0: ffff0000ca270358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xcc/0xc20 [ 189.308322][ T32] [ 189.308324][ T32] ============================================= [ 189.308324][ T32] [ 189.308329][ T32] Kernel panic - not syncing: hung_task: blocked tasks [ 189.345418][ T32] CPU: 1 UID: 0 PID: 32 Comm: khungtaskd Not tainted 6.17.0-rc1-syzkaller-g8f5ae30d69d7 #0 PREEMPT [ 189.347098][ T32] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 189.348721][ T32] Call trace: [ 189.349229][ T32] show_stack+0x2c/0x3c (C) [ 189.349960][ T32] __dump_stack+0x30/0x40 [ 189.350681][ T32] dump_stack_lvl+0x30/0x12c [ 189.351456][ T32] dump_stack+0x1c/0x28 [ 189.352145][ T32] vpanic+0x280/0x780 [ 189.352808][ T32] vpanic+0x0/0x780 [ 189.353450][ T32] hung_task_panic+0x0/0x2c [ 189.354211][ T32] kthread+0x5fc/0x75c [ 189.354919][ T32] ret_from_fork+0x10/0x20 [ 189.355650][ T32] SMP: stopping secondary CPUs [ 189.356451][ T32] Kernel Offset: disabled [ 189.357250][ T32] CPU features: 0x40000,00007800,109c1141,5427fea7 [ 189.358415][ T32] Memory Limit: none [ 189.551486][ T32] Rebooting in 86400 seconds..