Warning: Permanently added '10.128.1.233' (ED25519) to the list of known hosts.
2026/02/08 00:36:36 ignoring optional flag "type"="gce"
2026/02/08 00:36:36 parsed 1 programs
2026/02/08 00:36:36 executed programs: 0
[ 96.908725][ T5114] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 96.910579][ T5114] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 96.912147][ T5114] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 96.913652][ T5114] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 96.914640][ T5114] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 97.131222][ T5933] chnl_net:caif_netlink_parms(): no params data found
[ 97.400045][ T5933] bridge0: port 1(bridge_slave_0) entered blocking state
[ 97.400168][ T5933] bridge0: port 1(bridge_slave_0) entered disabled state
[ 97.400266][ T5933] bridge_slave_0: entered allmulticast mode
[ 97.401658][ T5933] bridge_slave_0: entered promiscuous mode
[ 97.406169][ T5933] bridge0: port 2(bridge_slave_1) entered blocking state
[ 97.406291][ T5933] bridge0: port 2(bridge_slave_1) entered disabled state
[ 97.406572][ T5933] bridge_slave_1: entered allmulticast mode
[ 97.407889][ T5933] bridge_slave_1: entered promiscuous mode
[ 97.592490][ T5933] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 97.595098][ T5933] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 97.723634][ T5933] team0: Port device team_slave_0 added
[ 97.725706][ T5933] team0: Port device team_slave_1 added
[ 97.860732][ T5933] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 97.860749][ T5933] 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.
[ 97.860770][ T5933] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 97.862361][ T5933] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 97.862375][ T5933] 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.
[ 97.862409][ T5933] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 98.058236][ T5933] hsr_slave_0: entered promiscuous mode
[ 98.065048][ T5933] hsr_slave_1: entered promiscuous mode
[ 98.928745][ T5114] Bluetooth: hci0: command tx timeout
[ 100.064531][ T5933] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 100.094575][ T5933] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 100.133292][ T5933] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 100.173795][ T5933] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 100.361666][ T5933] 8021q: adding VLAN 0 to HW filter on device bond0
[ 100.387514][ T5933] 8021q: adding VLAN 0 to HW filter on device team0
[ 100.414013][ T58] bridge0: port 1(bridge_slave_0) entered blocking state
[ 100.414171][ T58] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 100.428316][ T4008] bridge0: port 2(bridge_slave_1) entered blocking state
[ 100.429590][ T4008] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 100.751391][ T5933] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 100.843785][ T5933] veth0_vlan: entered promiscuous mode
[ 100.862188][ T5933] veth1_vlan: entered promiscuous mode
[ 100.910506][ T5933] veth0_macvtap: entered promiscuous mode
[ 100.915536][ T5933] veth1_macvtap: entered promiscuous mode
[ 100.951851][ T5933] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 100.980378][ T5933] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 100.995834][ T4008] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 100.996590][ T4008] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 100.996626][ T4008] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 100.996656][ T4008] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 101.011116][ T5114] Bluetooth: hci0: command tx timeout
[ 101.328843][ T6046] nbd0: detected capacity change from 0 to 4094
[ 102.070843][ T5114] block nbd0: Receive control failed (result -104)
[ 102.074718][ T6046] block nbd0: shutting down sockets
[ 102.111236][ C0] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2
2026/02/08 00:36:41 executed programs: 1
[ 102.111354][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 102.112453][ T5918] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2
[ 102.112472][ T5918] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 102.112559][ T5918] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2
[ 102.112572][ T5918] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 102.112604][ T5918] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2
[ 102.112616][ T5918] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 102.112645][ T5918] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2
[ 102.112657][ T5918] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 102.112703][ T5918] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2
[ 102.112715][ T5918] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 102.112755][ T5918] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2
[ 102.112767][ T5918] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 102.112804][ T5918] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2
[ 102.112823][ T5918] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 102.112840][ T5918] ldm_validate_partition_table(): Disk read failed.
[ 102.112895][ T5918] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2
[ 102.112915][ T5918] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 102.112953][ T5918] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2
[ 102.112964][ T5918] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 102.113023][ T5918] Dev nbd0: unable to read RDB block 0
[ 102.113215][ T5918] nbd0: unable to read partition table
[ 102.190757][ T5918] ldm_validate_partition_table(): Disk read failed.
[ 102.190933][ T5918] Dev nbd0: unable to read RDB block 0
[ 102.191180][ T5918] nbd0: unable to read partition table
[ 102.222629][ T6079] ldm_validate_partition_table(): Disk read failed.
[ 102.222807][ T6079] Dev nbd0: unable to read RDB block 0
[ 102.224485][ T6079] nbd0: unable to read partition table
[ 102.363245][ T6079] block nbd0: Device being setup by another task
[ 102.409883][ T5918] ldm_validate_partition_table(): Disk read failed.
[ 102.410084][ T5918] Dev nbd0: unable to read RDB block 0
[ 102.410354][ T5918] nbd0: unable to read partition table
[ 102.456506][ T5918] ldm_validate_partition_table(): Disk read failed.
[ 102.456611][ T5918] Dev nbd0: unable to read RDB block 0
[ 102.456786][ T5918] nbd0: unable to read partition table
[ 102.483808][ T6085] ldm_validate_partition_table(): Disk read failed.
[ 102.483990][ T6085] Dev nbd0: unable to read RDB block 0
[ 102.484299][ T6085] nbd0: unable to read partition table
[ 102.552353][ T6085] block nbd0: Device being setup by another task
[ 102.591063][ T5918] ldm_validate_partition_table(): Disk read failed.
[ 102.591247][ T5918] Dev nbd0: unable to read RDB block 0
[ 102.591512][ T5918] nbd0: unable to read partition table
[ 102.617667][ T5918] ldm_validate_partition_table(): Disk read failed.
[ 102.617851][ T5918] Dev nbd0: unable to read RDB block 0
[ 102.618113][ T5918] nbd0: unable to read partition table
[ 102.840451][ T6093] nbd0: detected capacity change from 0 to 4094
[ 103.098666][ T5804] Bluetooth: hci0: command tx timeout
[ 103.523174][ T5114] block nbd0: Receive control failed (result -104)
[ 105.170433][ T5114] Bluetooth: hci0: command tx timeout
[ 132.935002][ T1319] ieee802154 phy0 wpan0: encryption failed: -22
[ 132.935111][ T1319] ieee802154 phy1 wpan1: encryption failed: -22
[ 132.968937][ T65] block nbd0: Possible stuck request ffff888024e74280: control (read@0,4096B). Runtime 30 seconds
2026/02/08 00:37:37 executed programs: 4
[ 158.701869][ T5804] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1
[ 158.703849][ T5804] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9
[ 158.704561][ T5804] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9
[ 158.705720][ T5804] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4
[ 158.706378][ T5804] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2
[ 158.908128][ T6155] chnl_net:caif_netlink_parms(): no params data found
[ 159.120096][ T6155] bridge0: port 1(bridge_slave_0) entered blocking state
[ 159.120238][ T6155] bridge0: port 1(bridge_slave_0) entered disabled state
[ 159.120557][ T6155] bridge_slave_0: entered allmulticast mode
[ 159.121982][ T6155] bridge_slave_0: entered promiscuous mode
[ 159.124260][ T6155] bridge0: port 2(bridge_slave_1) entered blocking state
[ 159.124375][ T6155] bridge0: port 2(bridge_slave_1) entered disabled state
[ 159.124477][ T6155] bridge_slave_1: entered allmulticast mode
[ 159.125903][ T6155] bridge_slave_1: entered promiscuous mode
[ 159.302473][ T6155] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 159.305237][ T6155] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 159.441664][ T6155] team0: Port device team_slave_0 added
[ 159.444956][ T6155] team0: Port device team_slave_1 added
[ 159.570454][ T6155] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 159.570471][ T6155] 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.
[ 159.570492][ T6155] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 159.571795][ T6155] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 159.571807][ T6155] 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.
[ 159.571827][ T6155] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 159.797450][ T6155] hsr_slave_0: entered promiscuous mode
[ 159.798190][ T6155] hsr_slave_1: entered promiscuous mode
[ 159.810165][ T6155] debugfs: 'hsr0' already exists in 'hsr'
[ 159.810243][ T6155] Cannot create hsr debugfs directory
[ 160.443248][ T6155] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 160.680930][ T6155] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 160.768729][ T5804] Bluetooth: hci1: command tx timeout
[ 160.870621][ T6155] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 161.085257][ T6155] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 161.305322][ T6155] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 161.344136][ T6155] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 161.371962][ T6155] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 161.412239][ T6155] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 161.520737][ T6155] 8021q: adding VLAN 0 to HW filter on device bond0
[ 161.540044][ T6155] 8021q: adding VLAN 0 to HW filter on device team0
[ 161.546399][ T1158] bridge0: port 1(bridge_slave_0) entered blocking state
[ 161.546731][ T1158] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 161.574846][ T4008] bridge0: port 2(bridge_slave_1) entered blocking state
[ 161.575051][ T4008] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 161.756406][ T6155] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 161.803050][ T6155] veth0_vlan: entered promiscuous mode
[ 161.808106][ T6155] veth1_vlan: entered promiscuous mode
[ 161.834892][ T6155] veth0_macvtap: entered promiscuous mode
[ 161.838050][ T6155] veth1_macvtap: entered promiscuous mode
[ 161.854161][ T6155] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 161.870421][ T6155] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 161.876911][ T58] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 161.877129][ T58] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 161.877177][ T58] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 161.877210][ T58] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 162.848646][ T5804] Bluetooth: hci1: command tx timeout
[ 163.049080][ T32] block nbd0: Possible stuck request ffff888024e74280: control (read@0,4096B). Runtime 60 seconds
[ 164.939873][ T5804] Bluetooth: hci1: command tx timeout
[ 165.067180][ T5164] udevd[5164]: worker [5918] /devices/virtual/block/nbd0 is taking a long time
[ 167.008796][ T5804] Bluetooth: hci1: command tx timeout
[ 193.128786][ T32] block nbd0: Possible stuck request ffff888024e74280: control (read@0,4096B). Runtime 90 seconds
[ 194.373375][ T1319] ieee802154 phy0 wpan0: encryption failed: -22
[ 194.374133][ T1319] ieee802154 phy1 wpan1: encryption failed: -22
2026/02/08 00:38:36 executed programs: 5
[ 218.107952][ T5114] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1
[ 218.117243][ T5114] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9
[ 218.125928][ T5114] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9
[ 218.127798][ T5114] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4
[ 218.136620][ T5114] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2
[ 218.343949][ T6185] chnl_net:caif_netlink_parms(): no params data found
[ 218.540065][ T6185] bridge0: port 1(bridge_slave_0) entered blocking state
[ 218.540197][ T6185] bridge0: port 1(bridge_slave_0) entered disabled state
[ 218.540497][ T6185] bridge_slave_0: entered allmulticast mode
[ 218.541890][ T6185] bridge_slave_0: entered promiscuous mode
[ 218.544097][ T6185] bridge0: port 2(bridge_slave_1) entered blocking state
[ 218.544213][ T6185] bridge0: port 2(bridge_slave_1) entered disabled state
[ 218.544319][ T6185] bridge_slave_1: entered allmulticast mode
[ 218.545697][ T6185] bridge_slave_1: entered promiscuous mode
[ 218.732444][ T6185] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 218.735147][ T6185] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 218.881690][ T6185] team0: Port device team_slave_0 added
[ 218.883886][ T6185] team0: Port device team_slave_1 added
[ 219.010471][ T6185] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 219.010488][ T6185] 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.
[ 219.010509][ T6185] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 219.012092][ T6185] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 219.012105][ T6185] 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.
[ 219.012126][ T6185] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 219.174620][ T6185] hsr_slave_0: entered promiscuous mode
[ 219.175381][ T6185] hsr_slave_1: entered promiscuous mode
[ 219.175902][ T6185] debugfs: 'hsr0' already exists in 'hsr'
[ 219.175923][ T6185] Cannot create hsr debugfs directory
[ 219.833465][ T6185] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 220.050866][ T6185] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 220.208846][ T5804] Bluetooth: hci2: command tx timeout
[ 220.250697][ T6185] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 220.464324][ T6185] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 220.658338][ T6185] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 220.682347][ T6185] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 220.721440][ T6185] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 220.762176][ T6185] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 220.867537][ T6185] 8021q: adding VLAN 0 to HW filter on device bond0
[ 220.887974][ T6185] 8021q: adding VLAN 0 to HW filter on device team0
[ 220.904755][ T1158] bridge0: port 1(bridge_slave_0) entered blocking state
[ 220.904992][ T1158] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 220.919875][ T1158] bridge0: port 2(bridge_slave_1) entered blocking state
[ 220.920071][ T1158] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 221.118164][ T6185] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 221.170538][ T6185] veth0_vlan: entered promiscuous mode
[ 221.175620][ T6185] veth1_vlan: entered promiscuous mode
[ 221.204640][ T6185] veth0_macvtap: entered promiscuous mode
[ 221.207702][ T6185] veth1_macvtap: entered promiscuous mode
[ 221.225030][ T6185] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 221.241663][ T6185] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 221.256726][ T58] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 221.259926][ T58] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 221.260353][ T58] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 221.262707][ T58] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 222.048598][ T5804] Bluetooth: hci0: command 0x0406 tx timeout
[ 222.288831][ T5114] Bluetooth: hci2: command tx timeout
[ 223.228698][ T32] block nbd0: Possible stuck request ffff888024e74280: control (read@0,4096B). Runtime 120 seconds
[ 224.368698][ T5114] Bluetooth: hci2: command tx timeout
[ 226.448726][ T5114] Bluetooth: hci2: command tx timeout
[ 253.288805][ T32] block nbd0: Possible stuck request ffff888024e74280: control (read@0,4096B). Runtime 150 seconds
[ 255.812387][ T1319] ieee802154 phy0 wpan0: encryption failed: -22
[ 255.812450][ T1319] ieee802154 phy1 wpan1: encryption failed: -22
[ 256.448837][ T38] INFO: task syz-executor.0:6093 blocked for more than 143 seconds.
[ 256.448869][ T38] Not tainted syzkaller #0
[ 256.448876][ T38] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 256.448881][ T38] task:syz-executor.0 state:D stack:27936 pid:6093 tgid:6092 ppid:5933 task_flags:0x400140 flags:0x00080802
[ 256.448927][ T38] Call Trace:
[ 256.448933][ T38]
[ 256.448942][ T38] __schedule+0x1498/0x5140
[ 256.448990][ T38] ? sched_clock_cpu+0x74/0x440
[ 256.449009][ T38] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 256.449027][ T38] ? __pfx_sched_clock_cpu+0x10/0x10
[ 256.449045][ T38] ? __pfx___schedule+0x10/0x10
[ 256.449056][ T38] ? rt_mutex_slowlock_block+0x2e9/0x680
[ 256.449075][ T38] rt_mutex_schedule+0x76/0xf0
[ 256.449090][ T38] rt_mutex_slowlock_block+0x508/0x680
[ 256.449107][ T38] ? rt_mutex_slowlock_block+0x2e9/0x680
[ 256.449121][ T38] rt_mutex_slowlock+0x2dc/0x710
[ 256.449134][ T38] ? rt_mutex_slowlock+0x1fd/0x710
[ 256.449145][ T38] ? __pfx_rt_mutex_slowlock+0x10/0x10
[ 256.449155][ T38] ? do_syscall_64+0xe2/0xf80
[ 256.449174][ T38] ? bdev_release+0x1af/0x660
[ 256.449174][ T38] ? bdev_release+0x1af/0x660
[ 256.449196][ T38] ? bdev_release+0x1af/0x660
[ 256.449205][ T38] mutex_lock_nested+0x168/0x1d0
[ 256.449216][ T38] ? __pfx___fsnotify_parent+0x10/0x10
[ 256.449228][ T38] bdev_release+0x1af/0x660
[ 256.449244][ T38] ? __pfx_blkdev_release+0x10/0x10
[ 256.449321][ T38] blkdev_release+0x15/0x20
[ 256.449333][ T38] __fput+0x45e/0xa80
[ 256.449350][ T38] task_work_run+0x1d9/0x270
[ 256.449366][ T38] ? __pfx_task_work_run+0x10/0x10
[ 256.449378][ T38] ? __fput_deferred+0x253/0x3e0
[ 256.449388][ T38] ? __pfx___fput_deferred+0x10/0x10
[ 256.449402][ T38] exit_to_user_mode_loop+0xed/0x480
[ 256.449415][ T38] ? rcu_is_watching+0x15/0xb0
[ 256.449430][ T38] do_syscall_64+0x2b7/0xf80
[ 256.449444][ T38] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 256.449454][ T38] ? trace_irq_disable+0x37/0x100
[ 256.449467][ T38] ? clear_bhb_loop+0x60/0xb0
[ 256.449480][ T38] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 256.449491][ T38] RIP: 0033:0x7fe6bba3cef9
[ 256.449506][ T38] RSP: 002b:00007fe6badce0b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 256.449521][ T38] RAX: 0000000000000000 RBX: 00007fe6bbb7bf80 RCX: 00007fe6bba3cef9
[ 256.449531][ T38] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 256.449538][ T38] RBP: 00007fe6bbab2980 R08: 0000000000000000 R09: 0000000000000000
[ 256.449544][ T38] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 256.449550][ T38] R13: 000000000000000b R14: 00007fe6bbb7bf80 R15: 00007ffc9caa91f8
[ 256.449566][ T38]
[ 256.449586][ T38]
[ 256.449586][ T38] Showing all locks held in the system:
[ 256.449594][ T38] 1 lock held by khungtaskd/38:
[ 256.449600][ T38] #0: ffffffff8dbc77c0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
[ 256.449654][ T38] 2 locks held by getty/5557:
[ 256.449660][ T38] #0: ffff88814eaf80a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 256.449692][ T38] #1: ffffc90003e762e0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x462/0x13c0
[ 256.449722][ T38] 1 lock held by udevd/5918:
[ 256.449728][ T38] #0: ffff888024dca4c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xe0/0xcc0
[ 256.449752][ T38] 1 lock held by syz-executor.0/6093:
[ 256.449757][ T38] #0: ffff888024dca4c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x1af/0x660
[ 256.449781][ T38] 1 lock held by syz-executor.0/6175:
[ 256.449787][ T38] #0: ffff888024dca4c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xe0/0xcc0
[ 256.449810][ T38] 1 lock held by syz-executor.0/6205:
[ 256.449815][ T38] #0: ffff888024dca4c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xe0/0xcc0
[ 256.449843][ T38]
[ 256.449846][ T38] =============================================
[ 256.449846][ T38]
[ 256.449857][ T38] NMI backtrace for cpu 0
[ 256.449869][ T38] CPU: 0 UID: 0 PID: 38 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 256.449881][ T38] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[ 256.449886][ T38] Call Trace:
[ 256.449890][ T38]
[ 256.449894][ T38] dump_stack_lvl+0xe8/0x150
[ 256.449908][ T38] nmi_cpu_backtrace+0x274/0x2d0
[ 256.449919][ T38] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 256.449931][ T38] nmi_trigger_cpumask_backtrace+0x17a/0x300
[ 256.449943][ T38] sys_info+0x135/0x170
[ 256.449951][ T38] watchdog+0xf90/0xfe0
[ 256.449968][ T38] ? watchdog+0x209/0xfe0
[ 256.449984][ T38] kthread+0x726/0x8b0
[ 256.449998][ T38] ? __pfx_watchdog+0x10/0x10
[ 256.450011][ T38] ? __pfx_kthread+0x10/0x10
[ 256.450022][ T38] ? rt_spin_unlock+0x14f/0x200
[ 256.450034][ T38] ? rt_spin_unlock+0x160/0x200
[ 256.450044][ T38] ? __pfx_kthread+0x10/0x10
[ 256.450056][ T38] ret_from_fork+0x51b/0xa40
[ 256.450069][ T38] ? __pfx_ret_from_fork+0x10/0x10
[ 256.450078][ T38] ? __switch_to+0xc82/0x1410
[ 256.450095][ T38] ? __pfx_kthread+0x10/0x10
[ 256.450107][ T38] ret_from_fork_asm+0x1a/0x30
[ 256.450129][ T38]
[ 256.450133][ T38] Sending NMI from CPU 0 to CPUs 1:
[ 256.450180][ C1] NMI backtrace for cpu 1
[ 256.450199][ C1] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 256.450215][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[ 256.450223][ C1] RIP: 0010:pv_native_safe_halt+0xf/0x20
[ 256.450243][ C1] Code: f8 4f 02 e9 43 c3 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 63 f3 1b 00 fb f4 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90
[ 256.450254][ C1] RSP: 0018:ffffc900001d7e20 EFLAGS: 00000246
[ 256.450267][ C1] RAX: 000000000004dd6f RBX: ffffffff81981bfd RCX: 0000000080000001
[ 256.450278][ C1] RDX: 0000000000000001 RSI: ffffffff8d33b8d9 RDI: ffffffff8b85e980
[ 256.450288][ C1] RBP: ffffc900001d7f10 R08: ffff8880b8933c5b R09: 1ffff1101712678b
[ 256.450299][ C1] R10: dffffc0000000000 R11: ffffed101712678c R12: ffffffff8f47e570
[ 256.450309][ C1] R13: 1ffff11003957b58 R14: 0000000000000001 R15: 0000000000000001
[ 256.450319][ C1] FS: 0000000000000000(0000) GS:ffff8881266c9000(0000) knlGS:0000000000000000
[ 256.450331][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 256.450341][ C1] CR2: 00005566d8857168 CR3: 000000000d9b4000 CR4: 00000000003526f0
[ 256.450354][ C1] Call Trace:
[ 256.450360][ C1]
[ 256.450365][ C1] default_idle+0x9/0x20
[ 256.450383][ C1] default_idle_call+0x72/0xb0
[ 256.450396][ C1] do_idle+0x1bd/0x500
[ 256.450413][ C1] ? lockdep_hardirqs_on+0x7a/0x110
[ 256.450431][ C1] ? __pfx_do_idle+0x10/0x10
[ 256.450452][ C1] cpu_startup_entry+0x43/0x60
[ 256.450469][ C1] start_secondary+0x101/0x110
[ 256.450482][ C1] common_startup_64+0x13e/0x147
[ 256.450511][ C1]
[ 256.562894][ T38] Kernel panic - not syncing: hung_task: blocked tasks
[ 256.562919][ T38] CPU: 0 UID: 0 PID: 38 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 256.562931][ T38] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[ 256.562938][ T38] Call Trace:
[ 256.562945][ T38]
[ 256.562950][ T38] vpanic+0x1e0/0x670
[ 256.562972][ T38] panic+0xc5/0xd0
[ 256.562986][ T38] ? __pfx_panic+0x10/0x10
[ 256.563000][ T38] ? preempt_schedule_thunk+0x16/0x30
[ 256.563014][ T38] ? nmi_trigger_cpumask_backtrace+0x2bb/0x300
[ 256.563029][ T38] watchdog+0xfda/0xfe0
[ 256.563046][ T38] ? watchdog+0x209/0xfe0
[ 256.563063][ T38] kthread+0x726/0x8b0
[ 256.563078][ T38] ? __pfx_watchdog+0x10/0x10
[ 256.563091][ T38] ? __pfx_kthread+0x10/0x10
[ 256.563102][ T38] ? rt_spin_unlock+0x14f/0x200
[ 256.563116][ T38] ? rt_spin_unlock+0x160/0x200
[ 256.563125][ T38] ? __pfx_kthread+0x10/0x10
[ 256.563138][ T38] ret_from_fork+0x51b/0xa40
[ 256.563151][ T38] ? __pfx_ret_from_fork+0x10/0x10
[ 256.563160][ T38] ? __switch_to+0xc82/0x1410
[ 256.563177][ T38] ? __pfx_kthread+0x10/0x10
[ 256.563190][ T38] ret_from_fork_asm+0x1a/0x30
[ 256.563213][ T38]
[ 256.563634][ T38] Kernel Offset: disabled