Warning: Permanently added '10.128.0.19' (ED25519) to the list of known hosts.
2026/01/08 13:54:13 ignoring optional flag "type"="gce"
2026/01/08 13:54:14 parsed 1 programs
2026/01/08 13:54:14 executed programs: 0
[ 101.853872][ T61] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 101.859430][ T61] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 101.873843][ T61] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 101.879714][ T61] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 101.880520][ T61] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 102.235279][ T5950] chnl_net:caif_netlink_parms(): no params data found
[ 102.603297][ T5950] bridge0: port 1(bridge_slave_0) entered blocking state
[ 102.605426][ T5950] bridge0: port 1(bridge_slave_0) entered disabled state
[ 102.605594][ T5950] bridge_slave_0: entered allmulticast mode
[ 102.608018][ T5950] bridge_slave_0: entered promiscuous mode
[ 102.614614][ T5950] bridge0: port 2(bridge_slave_1) entered blocking state
[ 102.614799][ T5950] bridge0: port 2(bridge_slave_1) entered disabled state
[ 102.614998][ T5950] bridge_slave_1: entered allmulticast mode
[ 102.617367][ T5950] bridge_slave_1: entered promiscuous mode
[ 102.825056][ T5950] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 102.827928][ T5950] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 102.974983][ T5950] team0: Port device team_slave_0 added
[ 102.976974][ T5950] team0: Port device team_slave_1 added
[ 103.104732][ T5950] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 103.104749][ T5950] 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.
[ 103.104772][ T5950] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 103.106927][ T5950] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 103.106940][ T5950] 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.
[ 103.106964][ T5950] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 103.577552][ T5950] hsr_slave_0: entered promiscuous mode
[ 103.578305][ T5950] hsr_slave_1: entered promiscuous mode
[ 103.961347][ T5121] Bluetooth: hci0: command tx timeout
[ 105.116096][ T5950] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 105.146962][ T5950] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 105.184639][ T5950] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 105.225432][ T5950] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 105.380320][ T5950] 8021q: adding VLAN 0 to HW filter on device bond0
[ 105.415097][ T5950] 8021q: adding VLAN 0 to HW filter on device team0
[ 105.426606][ T68] bridge0: port 1(bridge_slave_0) entered blocking state
[ 105.431471][ T68] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 105.453329][ T1122] bridge0: port 2(bridge_slave_1) entered blocking state
[ 105.453535][ T1122] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 105.779492][ T5950] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 105.863690][ T5950] veth0_vlan: entered promiscuous mode
[ 105.872335][ T5950] veth1_vlan: entered promiscuous mode
[ 105.911812][ T5950] veth0_macvtap: entered promiscuous mode
[ 105.917276][ T5950] veth1_macvtap: entered promiscuous mode
[ 105.939794][ T5950] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 105.953879][ T5950] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 105.966973][ T3885] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 105.969347][ T3885] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 105.969386][ T3885] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 105.969419][ T3885] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 106.043277][ T5121] Bluetooth: hci0: command tx timeout
[ 106.305044][ T6074] nbd0: detected capacity change from 0 to 18
[ 107.030723][ T5121] block nbd0: Receive control failed (result -104)
[ 107.041849][ T6074] block nbd0: shutting down sockets
[ 107.083341][ C0] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2
[ 107.083466][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 107.109994][ T5920] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2
[ 107.110021][ T5920] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 107.110375][ T5920] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2
[ 107.110395][ T5920] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 107.110442][ T5920] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2
[ 107.110459][ T5920] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 107.110499][ T5920] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2
[ 107.110516][ T5920] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 107.110584][ T5920] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2
[ 107.110601][ T5920] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 107.110658][ T5920] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2
[ 107.110675][ T5920] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 107.110719][ T5920] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2
[ 107.110736][ T5920] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 107.110764][ T5920] ldm_validate_partition_table(): Disk read failed.
[ 107.110818][ T5920] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2
[ 107.110839][ T5920] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 107.110892][ T5920] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2
[ 107.110913][ T5920] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 107.111016][ T5920] Dev nbd0: unable to read RDB block 0
2026/01/08 13:54:19 executed programs: 1
[ 107.111152][ T5920] nbd0: unable to read partition table
[ 107.245920][ T5920] nbd0: partition table beyond EOD, truncated
[ 107.318960][ T5920] ldm_validate_partition_table(): Disk read failed.
[ 107.319153][ T5920] Dev nbd0: unable to read RDB block 0
[ 107.319299][ T5920] nbd0: unable to read partition table
[ 107.319531][ T5920] nbd0: partition table beyond EOD, truncated
[ 107.357276][ T6113] ldm_validate_partition_table(): Disk read failed.
[ 107.357464][ T6113] Dev nbd0: unable to read RDB block 0
[ 107.357636][ T6113] nbd0: unable to read partition table
[ 107.357869][ T6113] nbd0: partition table beyond EOD, truncated
[ 107.458646][ T6113] block nbd0: Device being setup by another task
[ 107.473275][ T5920] ldm_validate_partition_table(): Disk read failed.
[ 107.473459][ T5920] Dev nbd0: unable to read RDB block 0
[ 107.473599][ T5920] nbd0: unable to read partition table
[ 107.473846][ T5920] nbd0: partition table beyond EOD, truncated
[ 107.490416][ T5920] ldm_validate_partition_table(): Disk read failed.
[ 107.490598][ T5920] Dev nbd0: unable to read RDB block 0
[ 107.490773][ T5920] nbd0: unable to read partition table
[ 107.490993][ T5920] nbd0: partition table beyond EOD, truncated
[ 107.653014][ T6119] nbd0: detected capacity change from 0 to 18
[ 108.121770][ T61] Bluetooth: hci0: command tx timeout
[ 108.379010][ T5121] block nbd0: Receive control failed (result -104)
[ 108.379703][ T6119] block nbd0: shutting down sockets
[ 108.424360][ T5920] ldm_validate_partition_table(): Disk read failed.
[ 108.424543][ T5920] Dev nbd0: unable to read RDB block 0
[ 108.424684][ T5920] nbd0: unable to read partition table
[ 108.425167][ T5920] nbd0: partition table beyond EOD, truncated
[ 108.442441][ T5920] ldm_validate_partition_table(): Disk read failed.
[ 108.442619][ T5920] Dev nbd0: unable to read RDB block 0
[ 108.442755][ T5920] nbd0: unable to read partition table
[ 108.442973][ T5920] nbd0: partition table beyond EOD, truncated
[ 108.614982][ T6154] nbd0: detected capacity change from 0 to 18
[ 109.314344][ T5121] block nbd0: Receive control failed (result -104)
[ 110.201378][ T5121] Bluetooth: hci0: command tx timeout
[ 132.847627][ T1323] ieee802154 phy0 wpan0: encryption failed: -22
[ 132.847735][ T1323] ieee802154 phy1 wpan1: encryption failed: -22
[ 139.281589][ T11] block nbd0: Possible stuck request ffff888024611a40: control (read@0,4096B). Runtime 30 seconds
2026/01/08 13:55:15 executed programs: 4
[ 164.503300][ T61] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1
[ 164.505745][ T61] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9
[ 164.507458][ T61] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9
[ 164.508494][ T61] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4
[ 164.509331][ T61] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2
[ 164.721874][ T6195] chnl_net:caif_netlink_parms(): no params data found
[ 164.963801][ T6195] bridge0: port 1(bridge_slave_0) entered blocking state
[ 164.963934][ T6195] bridge0: port 1(bridge_slave_0) entered disabled state
[ 164.964050][ T6195] bridge_slave_0: entered allmulticast mode
[ 164.965777][ T6195] bridge_slave_0: entered promiscuous mode
[ 164.967877][ T6195] bridge0: port 2(bridge_slave_1) entered blocking state
[ 164.967990][ T6195] bridge0: port 2(bridge_slave_1) entered disabled state
[ 164.968095][ T6195] bridge_slave_1: entered allmulticast mode
[ 164.969433][ T6195] bridge_slave_1: entered promiscuous mode
[ 165.145422][ T6195] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 165.148053][ T6195] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 165.264125][ T6195] team0: Port device team_slave_0 added
[ 165.266156][ T6195] team0: Port device team_slave_1 added
[ 165.413007][ T6195] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 165.413025][ T6195] 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.
[ 165.413039][ T6195] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 165.414499][ T6195] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 165.414511][ T6195] 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.
[ 165.414528][ T6195] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 165.607251][ T6195] hsr_slave_0: entered promiscuous mode
[ 165.607990][ T6195] hsr_slave_1: entered promiscuous mode
[ 165.608640][ T6195] debugfs: 'hsr0' already exists in 'hsr'
[ 165.608711][ T6195] Cannot create hsr debugfs directory
[ 166.266099][ T6195] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 166.463437][ T6195] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 166.601457][ T61] Bluetooth: hci1: command tx timeout
[ 166.653990][ T6195] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 166.857621][ T6195] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 167.099421][ T6195] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 167.124883][ T6195] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 167.144861][ T6195] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 167.184779][ T6195] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 167.296597][ T6195] 8021q: adding VLAN 0 to HW filter on device bond0
[ 167.309333][ T6195] 8021q: adding VLAN 0 to HW filter on device team0
[ 167.325219][ T58] bridge0: port 1(bridge_slave_0) entered blocking state
[ 167.325358][ T58] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 167.331003][ T3501] bridge0: port 2(bridge_slave_1) entered blocking state
[ 167.331122][ T3501] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 167.528386][ T6195] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 167.572702][ T6195] veth0_vlan: entered promiscuous mode
[ 167.578937][ T6195] veth1_vlan: entered promiscuous mode
[ 167.607600][ T6195] veth0_macvtap: entered promiscuous mode
[ 167.610816][ T6195] veth1_macvtap: entered promiscuous mode
[ 167.628025][ T6195] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 167.645952][ T6195] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 167.663036][ T3501] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 167.663105][ T3501] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 167.663152][ T3501] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 167.663185][ T3501] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 168.683014][ T61] Bluetooth: hci1: command tx timeout
[ 169.361949][ T103] block nbd0: Possible stuck request ffff888024611a40: control (read@0,4096B). Runtime 60 seconds
[ 170.761352][ T61] Bluetooth: hci1: command tx timeout
[ 170.891373][ T5171] udevd[5171]: worker [5920] /devices/virtual/block/nbd0 is taking a long time
[ 172.841953][ T61] Bluetooth: hci1: command tx timeout
[ 194.295594][ T1323] ieee802154 phy0 wpan0: encryption failed: -22
[ 194.295657][ T1323] ieee802154 phy1 wpan1: encryption failed: -22
[ 199.441401][ T11] block nbd0: Possible stuck request ffff888024611a40: control (read@0,4096B). Runtime 90 seconds
2026/01/08 13:56:15 executed programs: 5
[ 223.918124][ T5121] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1
[ 223.924343][ T5121] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9
[ 223.931746][ T5121] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9
[ 223.933478][ T5121] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4
[ 223.934255][ T5121] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2
[ 224.137528][ T6226] chnl_net:caif_netlink_parms(): no params data found
[ 224.402650][ T6226] bridge0: port 1(bridge_slave_0) entered blocking state
[ 224.402777][ T6226] bridge0: port 1(bridge_slave_0) entered disabled state
[ 224.403060][ T6226] bridge_slave_0: entered allmulticast mode
[ 224.404430][ T6226] bridge_slave_0: entered promiscuous mode
[ 224.406825][ T6226] bridge0: port 2(bridge_slave_1) entered blocking state
[ 224.406934][ T6226] bridge0: port 2(bridge_slave_1) entered disabled state
[ 224.407029][ T6226] bridge_slave_1: entered allmulticast mode
[ 224.408364][ T6226] bridge_slave_1: entered promiscuous mode
[ 224.586035][ T6226] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 224.588916][ T6226] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 224.744464][ T6226] team0: Port device team_slave_0 added
[ 224.746600][ T6226] team0: Port device team_slave_1 added
[ 224.873136][ T6226] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 224.873153][ T6226] 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.
[ 224.873173][ T6226] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 224.874499][ T6226] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 224.874511][ T6226] 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.
[ 224.874530][ T6226] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 225.127376][ T6226] hsr_slave_0: entered promiscuous mode
[ 225.128139][ T6226] hsr_slave_1: entered promiscuous mode
[ 225.128662][ T6226] debugfs: 'hsr0' already exists in 'hsr'
[ 225.128683][ T6226] Cannot create hsr debugfs directory
[ 225.836455][ T6226] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 225.963236][ T61] Bluetooth: hci2: command tx timeout
[ 226.044284][ T6226] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 226.253478][ T6226] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 226.456951][ T6226] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 226.657486][ T6226] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 226.684878][ T6226] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 226.707546][ T6226] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 226.745572][ T6226] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 226.872585][ T6226] 8021q: adding VLAN 0 to HW filter on device bond0
[ 226.893325][ T6226] 8021q: adding VLAN 0 to HW filter on device team0
[ 226.898129][ T3501] bridge0: port 1(bridge_slave_0) entered blocking state
[ 226.898249][ T3501] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 226.934582][ T58] bridge0: port 2(bridge_slave_1) entered blocking state
[ 226.934701][ T58] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 227.091428][ T61] Bluetooth: hci0: command 0x0406 tx timeout
[ 227.131831][ T6226] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 227.180880][ T6226] veth0_vlan: entered promiscuous mode
[ 227.194692][ T6226] veth1_vlan: entered promiscuous mode
[ 227.223064][ T6226] veth0_macvtap: entered promiscuous mode
[ 227.226473][ T6226] veth1_macvtap: entered promiscuous mode
[ 227.246159][ T6226] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 227.262900][ T6226] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 227.268944][ T1122] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 227.269174][ T1122] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 227.269208][ T1122] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 227.269241][ T1122] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 228.051439][ T5121] Bluetooth: hci2: command tx timeout
[ 229.521438][ T11] block nbd0: Possible stuck request ffff888024611a40: control (read@0,4096B). Runtime 120 seconds
[ 230.126545][ T5121] Bluetooth: hci2: command tx timeout
[ 232.202368][ T5121] Bluetooth: hci2: command tx timeout
[ 255.736733][ T1323] ieee802154 phy0 wpan0: encryption failed: -22
[ 255.736801][ T1323] ieee802154 phy1 wpan1: encryption failed: -22
[ 259.601443][ T11] block nbd0: Possible stuck request ffff888024611a40: control (read@0,4096B). Runtime 150 seconds
[ 260.211446][ T38] INFO: task syz-executor.0:6154 blocked for more than 143 seconds.
[ 260.211466][ T38] Not tainted syzkaller #0
[ 260.211472][ T38] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 260.211477][ T38] task:syz-executor.0 state:D stack:27000 pid:6154 tgid:6153 ppid:5950 task_flags:0x400140 flags:0x00080003
[ 260.211521][ T38] Call Trace:
[ 260.211527][ T38]
[ 260.211535][ T38] __schedule+0x145f/0x5070
[ 260.211576][ T38] ? sched_clock_cpu+0x74/0x430
[ 260.211597][ T38] ? __pfx_sched_clock_cpu+0x10/0x10
[ 260.211616][ T38] ? __pfx___schedule+0x10/0x10
[ 260.211639][ T38] rt_mutex_schedule+0x77/0xf0
[ 260.211656][ T38] rt_mutex_slowlock_block+0x5ba/0x6d0
[ 260.211677][ T38] ? rt_mutex_slowlock_block+0x351/0x6d0
[ 260.211692][ T38] rt_mutex_slowlock+0x2a8/0x6b0
[ 260.211707][ T38] ? rt_mutex_slowlock+0x1c9/0x6b0
[ 260.211720][ T38] ? __pfx_rt_mutex_slowlock+0x10/0x10
[ 260.211739][ T38] ? bdev_release+0x1af/0x660
[ 260.211762][ T38] ? bdev_release+0x1af/0x660
[ 260.211774][ T38] mutex_lock_nested+0x16a/0x1d0
[ 260.211787][ T38] ? __pfx___fsnotify_parent+0x10/0x10
[ 260.211801][ T38] bdev_release+0x1af/0x660
[ 260.211818][ T38] ? __pfx_blkdev_release+0x10/0x10
[ 260.211833][ T38] blkdev_release+0x15/0x20
[ 260.211847][ T38] __fput+0x45b/0xa80
[ 260.211865][ T38] task_work_run+0x1d4/0x260
[ 260.211883][ T38] ? __pfx_task_work_run+0x10/0x10
[ 260.211904][ T38] get_signal+0x11c4/0x1310
[ 260.211925][ T38] arch_do_signal_or_restart+0x9a/0x7a0
[ 260.211942][ T38] ? __pfx_task_work_add+0x10/0x10
[ 260.211957][ T38] ? __pfx_arch_do_signal_or_restart+0x10/0x10
[ 260.211977][ T38] ? __fput_deferred+0x245/0x3e0
[ 260.211988][ T38] ? __pfx___fput_deferred+0x10/0x10
[ 260.212003][ T38] exit_to_user_mode_loop+0x87/0x4e0
[ 260.212018][ T38] ? rcu_is_watching+0x15/0xb0
[ 260.212037][ T38] do_syscall_64+0x2c1/0xf80
[ 260.212048][ T38] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 260.212057][ T38] ? trace_irq_disable+0x37/0x100
[ 260.212073][ T38] ? clear_bhb_loop+0x60/0xb0
[ 260.212086][ T38] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 260.212097][ T38] RIP: 0033:0x7f14b1bfc899
[ 260.212112][ T38] RSP: 002b:00007f14b0f7e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 260.212123][ T38] RAX: 0000000000000000 RBX: 00007f14b1d1bf80 RCX: 00007f14b1bfc899
[ 260.212130][ T38] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 260.212136][ T38] RBP: 00007f14b1c58ad0 R08: 0000000000000000 R09: 0000000000000000
[ 260.212142][ T38] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 260.212148][ T38] R13: 000000000000000b R14: 00007f14b1d1bf80 R15: 00007fff96a07248
[ 260.212164][ T38]
[ 260.212182][ T38]
[ 260.212182][ T38] Showing all locks held in the system:
[ 260.212190][ T38] 1 lock held by khungtaskd/38:
[ 260.212195][ T38] #0: ffffffff8d5ae940 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
[ 260.212249][ T38] 2 locks held by getty/5559:
[ 260.212255][ T38] #0: ffff88802671e0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 260.212281][ T38] #1: ffffc90003e8b2e0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x44f/0x1460
[ 260.212304][ T38] 1 lock held by udevd/5920:
[ 260.212310][ T38] #0: ffff8880245124c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xe0/0xcc0
[ 260.212336][ T38] 1 lock held by syz-executor.0/6154:
[ 260.212341][ T38] #0: ffff8880245124c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x1af/0x660
[ 260.212368][ T38] 1 lock held by syz-executor.0/6215:
[ 260.212373][ T38] #0: ffff8880245124c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xe0/0xcc0
[ 260.212398][ T38] 1 lock held by syz-executor.0/6246:
[ 260.212403][ T38] #0: ffff8880245124c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xe0/0xcc0
[ 260.212428][ T38]
[ 260.212430][ T38] =============================================
[ 260.212430][ T38]
[ 260.212438][ T38] NMI backtrace for cpu 1
[ 260.212452][ T38] CPU: 1 UID: 0 PID: 38 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 260.212463][ T38] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 260.212469][ T38] Call Trace:
[ 260.212473][ T38]
[ 260.212477][ T38] dump_stack_lvl+0xe8/0x150
[ 260.212492][ T38] nmi_cpu_backtrace+0x274/0x2d0
[ 260.212506][ T38] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 260.212518][ T38] nmi_trigger_cpumask_backtrace+0x17a/0x300
[ 260.212532][ T38] sys_info+0x135/0x170
[ 260.212543][ T38] watchdog+0xf95/0xfe0
[ 260.212557][ T38] ? watchdog+0x20a/0xfe0
[ 260.212571][ T38] kthread+0x711/0x8a0
[ 260.212586][ T38] ? __pfx_watchdog+0x10/0x10
[ 260.212597][ T38] ? __pfx_kthread+0x10/0x10
[ 260.212609][ T38] ? rt_spin_unlock+0x150/0x200
[ 260.212624][ T38] ? rt_spin_unlock+0x161/0x200
[ 260.212636][ T38] ? __pfx_kthread+0x10/0x10
[ 260.212649][ T38] ret_from_fork+0x510/0xa50
[ 260.212661][ T38] ? __pfx_ret_from_fork+0x10/0x10
[ 260.212671][ T38] ? __switch_to+0xc9e/0x1480
[ 260.212687][ T38] ? __pfx_kthread+0x10/0x10
[ 260.212702][ T38] ret_from_fork_asm+0x1a/0x30
[ 260.212723][ T38]
[ 260.212727][ T38] Sending NMI from CPU 1 to CPUs 0:
[ 260.212767][ C0] NMI backtrace for cpu 0
[ 260.212804][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 260.212823][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 260.212833][ C0] RIP: 0010:pv_native_safe_halt+0x13/0x20
[ 260.212861][ C0] Code: cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 23 b7 16 00 f3 0f 1e fa fb f4 cc cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90
[ 260.212875][ C0] RSP: 0018:ffffffff8d207dc0 EFLAGS: 000002c2
[ 260.212890][ C0] RAX: 00000000000d35af RBX: ffffffff8195d78e RCX: 0000000080000001
[ 260.212902][ C0] RDX: 0000000000000001 RSI: ffffffff8ce0bd18 RDI: ffffffff8b3f5760
[ 260.212915][ C0] RBP: ffffffff8d207eb0 R08: ffff8880b8833c5b R09: 1ffff1101710678b
[ 260.212928][ C0] R10: dffffc0000000000 R11: ffffed101710678c R12: ffffffff8edb3570
[ 260.212941][ C0] R13: 1ffffffff1a60668 R14: 0000000000000000 R15: 0000000000000000
[ 260.212952][ C0] FS: 0000000000000000(0000) GS:ffff888126cef000(0000) knlGS:0000000000000000
[ 260.212967][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 260.212979][ C0] CR2: 000055f1c85c9168 CR3: 000000000d3a8000 CR4: 00000000003526f0
[ 260.212994][ C0] Call Trace:
[ 260.213001][ C0]
[ 260.213007][ C0] default_idle+0x13/0x20
[ 260.213025][ C0] default_idle_call+0x73/0xb0
[ 260.213042][ C0] do_idle+0x1be/0x4d0
[ 260.213061][ C0] ? __pfx_do_idle+0x10/0x10
[ 260.213077][ C0] ? do_idle+0x4a9/0x4d0
[ 260.213094][ C0] cpu_startup_entry+0x44/0x60
[ 260.213110][ C0] rest_init+0x2de/0x300
[ 260.213130][ C0] start_kernel+0x381/0x3d0
[ 260.213155][ C0] x86_64_start_reservations+0x24/0x30
[ 260.213178][ C0] x86_64_start_kernel+0x143/0x1c0
[ 260.213200][ C0] common_startup_64+0x13e/0x147
[ 260.213230][ C0]
[ 260.213748][ T38] Kernel panic - not syncing: hung_task: blocked tasks
[ 260.213760][ T38] CPU: 1 UID: 0 PID: 38 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 260.213772][ T38] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 260.213779][ T38] Call Trace:
[ 260.213784][ T38]
[ 260.213788][ T38] vpanic+0x1e0/0x670
[ 260.213804][ T38] panic+0xb9/0xc0
[ 260.213818][ T38] ? __pfx_panic+0x10/0x10
[ 260.213836][ T38] ? nmi_trigger_cpumask_backtrace+0x234/0x300
[ 260.213851][ T38] watchdog+0xfdf/0xfe0
[ 260.213864][ T38] ? watchdog+0x20a/0xfe0
[ 260.213878][ T38] kthread+0x711/0x8a0
[ 260.213893][ T38] ? __pfx_watchdog+0x10/0x10
[ 260.213903][ T38] ? __pfx_kthread+0x10/0x10
[ 260.213916][ T38] ? rt_spin_unlock+0x150/0x200
[ 260.213931][ T38] ? rt_spin_unlock+0x161/0x200
[ 260.213943][ T38] ? __pfx_kthread+0x10/0x10
[ 260.213957][ T38] ret_from_fork+0x510/0xa50
[ 260.213969][ T38] ? __pfx_ret_from_fork+0x10/0x10
[ 260.213978][ T38] ? __switch_to+0xc9e/0x1480
[ 260.213995][ T38] ? __pfx_kthread+0x10/0x10
[ 260.214009][ T38] ret_from_fork_asm+0x1a/0x30
[ 260.214036][ T38]
[ 260.214390][ T38] Kernel Offset: disabled