Warning: Permanently added '10.128.10.0' (ED25519) to the list of known hosts.
2026/08/09 20:39:15 ignoring optional flag "type"="gce"
2026/08/09 20:39:16 parsed 1 programs
2026/08/09 20:39:16 executed programs: 0
[ 96.006689][ T59] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 96.019451][ T59] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 96.020803][ T59] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 96.021795][ T59] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 96.022722][ T59] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 96.884313][ T5761] bridge0: port 1(bridge_slave_0) entered blocking state
[ 96.884520][ T5761] bridge0: port 1(bridge_slave_0) entered disabled state
[ 96.884707][ T5761] bridge_slave_0: entered allmulticast mode
[ 96.887244][ T5761] bridge_slave_0: entered promiscuous mode
[ 96.892980][ T5761] bridge0: port 2(bridge_slave_1) entered blocking state
[ 96.893231][ T5761] bridge0: port 2(bridge_slave_1) entered disabled state
[ 96.893387][ T5761] bridge_slave_1: entered allmulticast mode
[ 96.895939][ T5761] bridge_slave_1: entered promiscuous mode
[ 97.061328][ T5761] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 97.064188][ T5761] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 97.230510][ T5761] team0: Port device team_slave_0 added
[ 97.232474][ T5761] team0: Port device team_slave_1 added
[ 97.389457][ T5761] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 97.389473][ T5761] 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.
[ 97.389488][ T5761] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 97.392110][ T5761] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 97.392125][ T5761] 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.
[ 97.392146][ T5761] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 97.554724][ T5761] hsr_slave_0: entered promiscuous mode
[ 97.555494][ T5761] hsr_slave_1: entered promiscuous mode
[ 98.118504][ T59] Bluetooth: hci0: command tx timeout
[ 99.660086][ T5761] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 99.722329][ T5761] 8021q: adding VLAN 0 to HW filter on device netdevsim0
[ 99.724252][ T5761] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 99.770293][ T5761] 8021q: adding VLAN 0 to HW filter on device netdevsim1
[ 99.771276][ T5761] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 99.815903][ T5761] 8021q: adding VLAN 0 to HW filter on device netdevsim2
[ 99.817401][ T5761] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 99.877403][ T5761] 8021q: adding VLAN 0 to HW filter on device netdevsim3
[ 100.053342][ T5761] 8021q: adding VLAN 0 to HW filter on device bond0
[ 100.099501][ T5761] 8021q: adding VLAN 0 to HW filter on device team0
[ 100.116649][ T3288] bridge0: port 1(bridge_slave_0) entered blocking state
[ 100.116842][ T3288] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 100.157018][ T3288] bridge0: port 2(bridge_slave_1) entered blocking state
[ 100.157233][ T3288] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 100.190002][ T59] Bluetooth: hci0: command tx timeout
[ 100.830521][ T5761] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 100.935254][ T5761] veth0_vlan: entered promiscuous mode
[ 100.974830][ T5761] veth1_vlan: entered promiscuous mode
[ 101.080620][ T5761] veth0_macvtap: entered promiscuous mode
[ 101.098710][ T5761] veth1_macvtap: entered promiscuous mode
[ 101.124502][ T5761] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 101.149710][ T5761] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 101.450248][ T56] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 101.451230][ T56] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 101.451639][ T56] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 101.452994][ T56] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 101.996175][ T5902] nbd0: detected capacity change from 0 to 18
[ 102.267653][ T4905] Bluetooth: hci0: command tx timeout
[ 102.653744][ T59] block nbd0: Receive control failed (result -104)
[ 102.663157][ T5902] block nbd0: shutting down sockets
2026/08/09 20:39:22 executed programs: 1
[ 102.709377][ C0] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2
[ 102.709493][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 102.709723][ T57] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2
[ 102.709748][ T57] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 102.709867][ T57] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2
[ 102.709881][ T57] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 102.709999][ T57] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2
[ 102.710012][ T57] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 102.710078][ T57] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2
[ 102.710090][ T57] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 102.710170][ T57] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2
[ 102.710183][ T57] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 102.710259][ T57] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2
[ 102.710272][ T57] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 102.710346][ T57] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2
[ 102.710359][ T57] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 102.710387][ T5744] ldm_validate_partition_table(): Disk read failed.
[ 102.710439][ T57] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2
[ 102.710452][ T57] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 102.710517][ T57] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2
[ 102.710529][ T57] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 102.710706][ T5744] Dev nbd0: unable to read RDB block 0
[ 102.710952][ T5744] nbd0: unable to read partition table
[ 102.711087][ T5744] nbd0: partition table beyond EOD, truncated
[ 102.945631][ T5744] ldm_validate_partition_table(): Disk read failed.
[ 102.946532][ T5744] Dev nbd0: unable to read RDB block 0
[ 102.947139][ T5744] nbd0: unable to read partition table
[ 102.947338][ T5744] nbd0: partition table beyond EOD, truncated
[ 103.128964][ T5919] nbd0: detected capacity change from 0 to 18
[ 103.840241][ T59] block nbd0: Receive control failed (result -104)
[ 103.846711][ T5919] block nbd0: shutting down sockets
[ 103.892388][ T5744] ldm_validate_partition_table(): Disk read failed.
[ 103.892690][ T5744] Dev nbd0: unable to read RDB block 0
[ 103.892876][ T5744] nbd0: unable to read partition table
[ 103.893010][ T5744] nbd0: partition table beyond EOD, truncated
[ 103.900271][ T5744] ldm_validate_partition_table(): Disk read failed.
[ 103.900849][ T5744] Dev nbd0: unable to read RDB block 0
[ 103.901143][ T5744] nbd0: unable to read partition table
[ 103.901363][ T5744] nbd0: partition table beyond EOD, truncated
[ 104.079887][ T5922] nbd0: detected capacity change from 0 to 18
[ 104.357764][ T4905] Bluetooth: hci0: command tx timeout
[ 104.798946][ T59] block nbd0: Receive control failed (result -104)
[ 133.073811][ T1328] ieee802154 phy0 wpan0: encryption failed: -22
[ 133.073885][ T1328] ieee802154 phy1 wpan1: encryption failed: -22
[ 134.387904][ T57] block nbd0: Possible stuck request ffff888026de78c0: control (read@0,4096B). Runtime 30 seconds
2026/08/09 20:40:19 executed programs: 3
[ 160.015332][ T4905] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1
[ 160.021708][ T4905] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9
[ 160.028550][ T4905] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9
[ 160.030687][ T4905] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4
[ 160.031379][ T4905] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2
[ 160.738945][ T5930] bridge0: port 1(bridge_slave_0) entered blocking state
[ 160.741454][ T5930] bridge0: port 1(bridge_slave_0) entered disabled state
[ 160.741618][ T5930] bridge_slave_0: entered allmulticast mode
[ 160.743129][ T5930] bridge_slave_0: entered promiscuous mode
[ 160.745016][ T5930] bridge0: port 2(bridge_slave_1) entered blocking state
[ 160.745131][ T5930] bridge0: port 2(bridge_slave_1) entered disabled state
[ 160.745230][ T5930] bridge_slave_1: entered allmulticast mode
[ 160.746646][ T5930] bridge_slave_1: entered promiscuous mode
[ 160.911957][ T5930] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 160.914604][ T5930] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 161.030309][ T5930] team0: Port device team_slave_0 added
[ 161.032231][ T5930] team0: Port device team_slave_1 added
[ 161.189385][ T5930] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 161.189397][ T5930] 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.
[ 161.189410][ T5930] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 161.190969][ T5930] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 161.190982][ T5930] 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.
[ 161.190997][ T5930] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 161.393207][ T5930] hsr_slave_0: entered promiscuous mode
[ 161.393948][ T5930] hsr_slave_1: entered promiscuous mode
[ 161.394599][ T5930] debugfs: 'hsr0' already exists in 'hsr'
[ 161.394676][ T5930] Cannot create hsr debugfs directory
[ 162.002832][ T5930] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 162.107690][ T59] Bluetooth: hci1: command tx timeout
[ 162.239661][ T5930] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 162.450844][ T5930] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 162.678585][ T5930] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 162.971264][ T5930] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 163.002395][ T5930] 8021q: adding VLAN 0 to HW filter on device netdevsim0
[ 163.003347][ T5930] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 163.030845][ T5930] 8021q: adding VLAN 0 to HW filter on device netdevsim1
[ 163.031703][ T5930] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 163.084512][ T5930] 8021q: adding VLAN 0 to HW filter on device netdevsim2
[ 163.085519][ T5930] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 163.130690][ T5930] 8021q: adding VLAN 0 to HW filter on device netdevsim3
[ 163.214244][ T5930] 8021q: adding VLAN 0 to HW filter on device bond0
[ 163.229734][ T5930] 8021q: adding VLAN 0 to HW filter on device team0
[ 163.251683][ T56] bridge0: port 1(bridge_slave_0) entered blocking state
[ 163.251810][ T56] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 163.269874][ T56] bridge0: port 2(bridge_slave_1) entered blocking state
[ 163.270082][ T56] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 163.684684][ T5930] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 163.744026][ T5930] veth0_vlan: entered promiscuous mode
[ 163.759271][ T5930] veth1_vlan: entered promiscuous mode
[ 163.790569][ T5930] veth0_macvtap: entered promiscuous mode
[ 163.794020][ T5930] veth1_macvtap: entered promiscuous mode
[ 163.821455][ T5930] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 163.840146][ T5930] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 163.857650][ T94] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 163.857694][ T94] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 163.857726][ T94] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 163.857758][ T94] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 164.187765][ T59] Bluetooth: hci1: command tx timeout
[ 164.467560][ T57] block nbd0: Possible stuck request ffff888026de78c0: control (read@0,4096B). Runtime 60 seconds
[ 166.267535][ T59] Bluetooth: hci1: command tx timeout
[ 167.199264][ T4956] udevd[4956]: worker [5744] /devices/virtual/block/nbd0 is taking a long time
[ 168.347612][ T59] Bluetooth: hci1: command tx timeout
[ 194.509706][ T1328] ieee802154 phy0 wpan0: encryption failed: -22
[ 194.509761][ T1328] ieee802154 phy1 wpan1: encryption failed: -22
[ 194.547630][ T57] block nbd0: Possible stuck request ffff888026de78c0: control (read@0,4096B). Runtime 90 seconds
2026/08/09 20:41:19 executed programs: 4
[ 220.211719][ T5608] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1
[ 220.213201][ T5608] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9
[ 220.213953][ T5608] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9
[ 220.214868][ T5608] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4
[ 220.215566][ T5608] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2
[ 220.919082][ T5973] bridge0: port 1(bridge_slave_0) entered blocking state
[ 220.919218][ T5973] bridge0: port 1(bridge_slave_0) entered disabled state
[ 220.919335][ T5973] bridge_slave_0: entered allmulticast mode
[ 220.920822][ T5973] bridge_slave_0: entered promiscuous mode
[ 220.923365][ T5973] bridge0: port 2(bridge_slave_1) entered blocking state
[ 220.923499][ T5973] bridge0: port 2(bridge_slave_1) entered disabled state
[ 220.923599][ T5973] bridge_slave_1: entered allmulticast mode
[ 220.926362][ T5973] bridge_slave_1: entered promiscuous mode
[ 221.121360][ T5973] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 221.125340][ T5973] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 221.290514][ T5973] team0: Port device team_slave_0 added
[ 221.292762][ T5973] team0: Port device team_slave_1 added
[ 221.439403][ T5973] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 221.439417][ T5973] 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.
[ 221.439430][ T5973] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 221.441839][ T5973] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 221.441852][ T5973] 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.
[ 221.441866][ T5973] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 221.603899][ T5973] hsr_slave_0: entered promiscuous mode
[ 221.604872][ T5973] hsr_slave_1: entered promiscuous mode
[ 221.605370][ T5973] debugfs: 'hsr0' already exists in 'hsr'
[ 221.605388][ T5973] Cannot create hsr debugfs directory
[ 222.187627][ T5608] Bluetooth: hci0: command 0x0406 tx timeout
[ 222.294156][ T5973] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 222.349081][ T59] Bluetooth: hci2: command tx timeout
[ 222.530730][ T5973] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 222.741182][ T5973] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 222.966823][ T5973] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 223.220365][ T5973] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 223.252599][ T5973] 8021q: adding VLAN 0 to HW filter on device netdevsim0
[ 223.253492][ T5973] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 223.271867][ T5973] 8021q: adding VLAN 0 to HW filter on device netdevsim1
[ 223.273740][ T5973] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 223.311830][ T5973] 8021q: adding VLAN 0 to HW filter on device netdevsim2
[ 223.312632][ T5973] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 223.352492][ T5973] 8021q: adding VLAN 0 to HW filter on device netdevsim3
[ 223.441160][ T5973] 8021q: adding VLAN 0 to HW filter on device bond0
[ 223.463933][ T5973] 8021q: adding VLAN 0 to HW filter on device team0
[ 223.495513][ T3319] bridge0: port 1(bridge_slave_0) entered blocking state
[ 223.495747][ T3319] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 223.519409][ T56] bridge0: port 2(bridge_slave_1) entered blocking state
[ 223.519532][ T56] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 223.862785][ T5973] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 223.921101][ T5973] veth0_vlan: entered promiscuous mode
[ 223.933690][ T5973] veth1_vlan: entered promiscuous mode
[ 223.984122][ T5973] veth0_macvtap: entered promiscuous mode
[ 223.993949][ T5973] veth1_macvtap: entered promiscuous mode
[ 224.015715][ T5973] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 224.030985][ T5973] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 224.259195][ T3319] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 224.259638][ T3319] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 224.259971][ T3319] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 224.260000][ T3319] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 224.427711][ T59] Bluetooth: hci2: command tx timeout
[ 224.627580][ T57] block nbd0: Possible stuck request ffff888026de78c0: control (read@0,4096B). Runtime 120 seconds
[ 226.507860][ T59] Bluetooth: hci2: command tx timeout
[ 228.587652][ T59] Bluetooth: hci2: command tx timeout
[ 254.707792][ T57] block nbd0: Possible stuck request ffff888026de78c0: control (read@0,4096B). Runtime 150 seconds
[ 255.959940][ T1328] ieee802154 phy0 wpan0: encryption failed: -22
[ 255.960043][ T1328] ieee802154 phy1 wpan1: encryption failed: -22
[ 261.067950][ T38] INFO: task syz-executor.0:5922 blocked for more than 143 seconds.
[ 261.068079][ T38] Not tainted syzkaller #0
[ 261.068091][ T38] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 261.068100][ T38] task:syz-executor.0 state:D stack:28920 pid:5922 tgid:5920 ppid:5761 task_flags:0x400140 flags:0x00080803
[ 261.068203][ T38] Call Trace:
[ 261.068210][ T38]
[ 261.068223][ T38] __schedule+0x16dc/0x5500
[ 261.068282][ T38] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 261.068318][ T38] ? __pfx_sched_clock_cpu+0x10/0x10
[ 261.068351][ T38] ? __pfx___schedule+0x10/0x10
[ 261.068373][ T38] ? rt_mutex_slowlock_block+0x33a/0x680
[ 261.068408][ T38] rt_mutex_schedule+0x76/0xf0
[ 261.068428][ T38] rt_mutex_slowlock_block+0x55c/0x680
[ 261.068457][ T38] ? rt_mutex_slowlock_block+0x33a/0x680
[ 261.068481][ T38] rt_mutex_slowlock+0x2d4/0x780
[ 261.068505][ T38] ? rt_mutex_slowlock+0x1f2/0x780
[ 261.068526][ T38] ? __pfx_rt_mutex_slowlock+0x10/0x10
[ 261.068545][ T38] ? is_bpf_text_address+0x26/0x2b0
[ 261.068576][ T38] ? bdev_release+0x1be/0x690
[ 261.068613][ T38] ? bdev_release+0x1be/0x690
[ 261.068634][ T38] mutex_lock_nested+0x168/0x1d0
[ 261.068654][ T38] ? __pfx___fsnotify_parent+0x10/0x10
[ 261.068681][ T38] bdev_release+0x1be/0x690
[ 261.068714][ T38] ? __pfx_blkdev_release+0x10/0x10
[ 261.068740][ T38] blkdev_release+0x15/0x20
[ 261.068765][ T38] __fput+0x42a/0xa80
[ 261.068792][ T38] task_work_run+0x1d9/0x270
[ 261.068824][ T38] ? __pfx_task_work_run+0x10/0x10
[ 261.068864][ T38] get_signal+0x1182/0x12c0
[ 261.068907][ T38] arch_do_signal_or_restart+0xbb/0x860
[ 261.068934][ T38] ? __pfx_task_work_add+0x10/0x10
[ 261.068963][ T38] ? __pfx_arch_do_signal_or_restart+0x10/0x10
[ 261.068995][ T38] ? __fput_deferred+0x253/0x3e0
[ 261.069020][ T38] exit_to_user_mode_loop+0x104/0x730
[ 261.069063][ T38] ? rcu_is_watching+0x15/0xb0
[ 261.069163][ T38] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 261.069204][ T38] do_syscall_64+0x353/0x580
[ 261.069227][ T38] ? trace_irq_disable+0x3b/0x140
[ 261.069243][ T38] ? clear_bhb_loop+0x70/0xc0
[ 261.069255][ T38] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 261.069266][ T38] RIP: 0033:0x7f03accecef9
[ 261.069282][ T38] RSP: 002b:00007f03ac05d078 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 261.069293][ T38] RAX: 0000000000000000 RBX: 00007f03ace2c050 RCX: 00007f03accecef9
[ 261.069301][ T38] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 261.069307][ T38] RBP: 00007f03acd62980 R08: 0000000000000000 R09: 0000000000000000
[ 261.069313][ T38] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 261.069319][ T38] R13: 000000000000006e R14: 00007f03ace2c050 R15: 00007ffe18efa578
[ 261.069335][ T38]
[ 261.069366][ T38]
[ 261.069366][ T38] Showing all locks held in the system:
[ 261.069374][ T38] 1 lock held by khungtaskd/38:
[ 261.069383][ T38] #0: ffffffff8e1c3000 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
[ 261.069435][ T38] 2 locks held by getty/5343:
[ 261.069442][ T38] #0: ffff888036f4b0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 261.069467][ T38] #1: ffffc90003cbe2e0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x460/0x1360
[ 261.069495][ T38] 1 lock held by udevd/5744:
[ 261.069501][ T38] #0: ffff888026d494c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xde/0xd00
[ 261.069528][ T38] 1 lock held by syz-executor.0/5922:
[ 261.069533][ T38] #0: ffff888026d494c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x1be/0x690
[ 261.069559][ T38] 1 lock held by syz-executor.0/5964:
[ 261.069565][ T38] #0: ffff888026d494c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xde/0xd00
[ 261.069591][ T38] 1 lock held by syz-executor.0/6008:
[ 261.069596][ T38] #0: ffff888026d494c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xde/0xd00
[ 261.069639][ T38]
[ 261.069642][ T38] =============================================
[ 261.069642][ T38]
[ 261.069651][ T38] NMI backtrace for cpu 1
[ 261.069665][ T38] CPU: 1 UID: 0 PID: 38 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 261.069679][ T38] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 261.069685][ T38] Call Trace:
[ 261.069689][ T38]
[ 261.069693][ T38] dump_stack_lvl+0xe8/0x150
[ 261.069708][ T38] nmi_cpu_backtrace+0x274/0x2d0
[ 261.069721][ T38] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 261.069737][ T38] nmi_trigger_cpumask_backtrace+0x17a/0x380
[ 261.069751][ T38] sys_info+0x135/0x170
[ 261.069760][ T38] watchdog+0xfd7/0x1030
[ 261.069779][ T38] ? watchdog+0x1c7/0x1030
[ 261.069796][ T38] kthread+0x388/0x470
[ 261.069810][ T38] ? __pfx_watchdog+0x10/0x10
[ 261.069823][ T38] ? __pfx_kthread+0x10/0x10
[ 261.069837][ T38] ret_from_fork+0x514/0xb70
[ 261.069853][ T38] ? __pfx_ret_from_fork+0x10/0x10
[ 261.069867][ T38] ? __switch_to+0xc89/0x1420
[ 261.069880][ T38] ? __pfx_kthread+0x10/0x10
[ 261.069894][ T38] ret_from_fork_asm+0x1a/0x30
[ 261.069915][ T38]
[ 261.069971][ T38] Sending NMI from CPU 1 to CPUs 0:
[ 261.070016][ C0] NMI backtrace for cpu 0
[ 261.070034][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 261.070053][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 261.070062][ C0] RIP: 0010:pv_native_safe_halt+0xf/0x20
[ 261.070089][ C0] Code: 0b 70 02 e9 13 d0 03 00 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 f3 f8 25 00 fb f4 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90
[ 261.070103][ C0] RSP: 0018:ffffffff8de07de0 EFLAGS: 00000246
[ 261.070124][ C0] RAX: 00000000000e62c9 RBX: ffffffff819a1590 RCX: 0000000080000001
[ 261.070136][ C0] RDX: 0000000000000001 RSI: ffffffff8d88123b RDI: ffffffff8bca5980
[ 261.070149][ C0] RBP: ffffffff8de07eb8 R08: ffff8880b8633d5b R09: 1ffff110170c67ab
[ 261.070162][ C0] R10: dffffc0000000000 R11: ffffed10170c67ac R12: 0000000000000000
[ 261.070174][ C0] R13: 1ffffffff1bdede8 R14: 1ffffffff1bc0fc4 R15: dffffc0000000000
[ 261.070188][ C0] FS: 0000000000000000(0000) GS:ffff888125c46000(0000) knlGS:0000000000000000
[ 261.070202][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 261.070214][ C0] CR2: 0000556372ea4660 CR3: 000000000dfb0000 CR4: 00000000003526f0
[ 261.070229][ C0] Call Trace:
[ 261.070235][ C0]
[ 261.070241][ C0] default_idle+0x9/0x20
[ 261.070256][ C0] default_idle_call+0x72/0xb0
[ 261.070271][ C0] do_idle+0x2e0/0x540
[ 261.070290][ C0] ? __pfx_do_idle+0x10/0x10
[ 261.070311][ C0] cpu_startup_entry+0x43/0x60
[ 261.070328][ C0] rest_init+0x2de/0x300
[ 261.070346][ C0] start_kernel+0x392/0x3e0
[ 261.070376][ C0] x86_64_start_reservations+0x24/0x30
[ 261.070400][ C0] x86_64_start_kernel+0x137/0x1b0
[ 261.070423][ C0] common_startup_64+0x13e/0x157
[ 261.070449][ C0]
[ 261.070997][ T38] Kernel panic - not syncing: hung_task: blocked tasks
[ 261.071005][ T38] CPU: 1 UID: 0 PID: 38 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 261.071016][ T38] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 261.071022][ T38] Call Trace:
[ 261.071026][ T38]
[ 261.071030][ T38] vpanic+0x56c/0xa60
[ 261.071048][ T38] ? __pfx_vpanic+0x10/0x10
[ 261.071066][ T38] panic+0xc5/0xd0
[ 261.071080][ T38] ? __pfx_panic+0x10/0x10
[ 261.071096][ T38] ? wq_watchdog_touch+0xf9/0x160
[ 261.071107][ T38] ? nmi_trigger_cpumask_backtrace+0x247/0x380
[ 261.071123][ T38] watchdog+0x1030/0x1030
[ 261.071141][ T38] ? watchdog+0x1c7/0x1030
[ 261.071158][ T38] kthread+0x388/0x470
[ 261.071171][ T38] ? __pfx_watchdog+0x10/0x10
[ 261.071184][ T38] ? __pfx_kthread+0x10/0x10
[ 261.071198][ T38] ret_from_fork+0x514/0xb70
[ 261.071214][ T38] ? __pfx_ret_from_fork+0x10/0x10
[ 261.071227][ T38] ? __switch_to+0xc89/0x1420
[ 261.071240][ T38] ? __pfx_kthread+0x10/0x10
[ 261.071254][ T38] ret_from_fork_asm+0x1a/0x30
[ 261.071275][ T38]
[ 261.071570][ T38] Kernel Offset: disabled