Warning: Permanently added '10.128.1.254' (ED25519) to the list of known hosts.
2026/02/08 07:53:23 ignoring optional flag "type"="gce"
2026/02/08 07:53:23 parsed 1 programs
2026/02/08 07:53:23 executed programs: 0
[ 100.346770][ T5830] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 100.355139][ T5830] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 100.363191][ T5830] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 100.371436][ T5830] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 100.380063][ T5830] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 100.564653][ T6014] chnl_net:caif_netlink_parms(): no params data found
[ 100.656831][ T6014] bridge0: port 1(bridge_slave_0) entered blocking state
[ 100.664657][ T6014] bridge0: port 1(bridge_slave_0) entered disabled state
[ 100.672065][ T6014] bridge_slave_0: entered allmulticast mode
[ 100.680540][ T6014] bridge_slave_0: entered promiscuous mode
[ 100.689159][ T6014] bridge0: port 2(bridge_slave_1) entered blocking state
[ 100.696462][ T6014] bridge0: port 2(bridge_slave_1) entered disabled state
[ 100.704033][ T6014] bridge_slave_1: entered allmulticast mode
[ 100.711562][ T6014] bridge_slave_1: entered promiscuous mode
[ 100.748596][ T6014] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 100.760760][ T6014] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 100.804056][ T6014] team0: Port device team_slave_0 added
[ 100.812318][ T6014] team0: Port device team_slave_1 added
[ 100.845984][ T6014] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 100.853045][ T6014] 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.
[ 100.879808][ T6014] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 100.892369][ T6014] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 100.899516][ T6014] 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.
[ 100.926685][ T6014] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 100.978085][ T6014] hsr_slave_0: entered promiscuous mode
[ 100.985164][ T6014] hsr_slave_1: entered promiscuous mode
[ 101.505256][ T6014] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 101.518232][ T6014] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 101.529861][ T6014] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 101.543142][ T6014] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 101.675684][ T6014] 8021q: adding VLAN 0 to HW filter on device bond0
[ 101.702804][ T6014] 8021q: adding VLAN 0 to HW filter on device team0
[ 101.720194][ T1156] bridge0: port 1(bridge_slave_0) entered blocking state
[ 101.727414][ T1156] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 101.749831][ T1156] bridge0: port 2(bridge_slave_1) entered blocking state
[ 101.756948][ T1156] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 102.044558][ T6014] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 102.102377][ T6014] veth0_vlan: entered promiscuous mode
[ 102.116521][ T6014] veth1_vlan: entered promiscuous mode
[ 102.154927][ T6014] veth0_macvtap: entered promiscuous mode
[ 102.165929][ T6014] veth1_macvtap: entered promiscuous mode
[ 102.192960][ T6014] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 102.209459][ T6014] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 102.232092][ T1156] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 102.241826][ T1156] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 102.268961][ T1156] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 102.296266][ T1156] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 102.458618][ T5140] Bluetooth: hci0: command tx timeout
[ 102.470929][ T6067] nbd0: detected capacity change from 0 to 485291868
[ 103.175241][ T5830] block nbd0: Receive control failed (result -104)
[ 104.537487][ T5830] Bluetooth: hci0: command tx timeout
[ 106.627429][ T5830] Bluetooth: hci0: command tx timeout
[ 108.697477][ T5830] Bluetooth: hci0: command tx timeout
[ 132.781661][ T93] block nbd0: Possible stuck request ffff888025d88000: control (read@0,4096B). Runtime 30 seconds
[ 137.262093][ T1296] ieee802154 phy0 wpan0: encryption failed: -22
[ 137.268711][ T1296] ieee802154 phy1 wpan1: encryption failed: -22
2026/02/08 07:54:20 executed programs: 1
[ 158.390882][ T5140] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1
[ 158.398736][ T5140] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9
[ 158.406213][ T5140] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9
[ 158.416190][ T5140] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4
[ 158.424599][ T5140] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2
[ 158.605414][ T6213] chnl_net:caif_netlink_parms(): no params data found
[ 158.694918][ T6213] bridge0: port 1(bridge_slave_0) entered blocking state
[ 158.702629][ T6213] bridge0: port 1(bridge_slave_0) entered disabled state
[ 158.710047][ T6213] bridge_slave_0: entered allmulticast mode
[ 158.717663][ T6213] bridge_slave_0: entered promiscuous mode
[ 158.726125][ T6213] bridge0: port 2(bridge_slave_1) entered blocking state
[ 158.733638][ T6213] bridge0: port 2(bridge_slave_1) entered disabled state
[ 158.741121][ T6213] bridge_slave_1: entered allmulticast mode
[ 158.748710][ T6213] bridge_slave_1: entered promiscuous mode
[ 158.785342][ T6213] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 158.798583][ T6213] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 158.835861][ T6213] team0: Port device team_slave_0 added
[ 158.843985][ T6213] team0: Port device team_slave_1 added
[ 158.878113][ T6213] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 158.885074][ T6213] 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.
[ 158.912013][ T6213] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 158.924624][ T6213] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 158.931642][ T6213] 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.
[ 158.957584][ T6213] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 159.008279][ T6213] hsr_slave_0: entered promiscuous mode
[ 159.014989][ T6213] hsr_slave_1: entered promiscuous mode
[ 159.022120][ T6213] debugfs: 'hsr0' already exists in 'hsr'
[ 159.029197][ T6213] Cannot create hsr debugfs directory
[ 159.158442][ T6213] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 159.239937][ T6213] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 159.289121][ T6213] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 159.391323][ T6213] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 159.524495][ T6213] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 159.534934][ T6213] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 159.545009][ T6213] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 159.555609][ T6213] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 159.638881][ T6213] 8021q: adding VLAN 0 to HW filter on device bond0
[ 159.659852][ T6213] 8021q: adding VLAN 0 to HW filter on device team0
[ 159.672721][ T13] bridge0: port 1(bridge_slave_0) entered blocking state
[ 159.680131][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 159.694520][ T13] bridge0: port 2(bridge_slave_1) entered blocking state
[ 159.701657][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 159.906224][ T6213] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 159.951131][ T6213] veth0_vlan: entered promiscuous mode
[ 159.964607][ T6213] veth1_vlan: entered promiscuous mode
[ 159.996329][ T6213] veth0_macvtap: entered promiscuous mode
[ 160.006370][ T6213] veth1_macvtap: entered promiscuous mode
[ 160.026164][ T6213] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 160.043964][ T6213] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 160.058784][ T1156] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 160.068019][ T1156] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 160.077059][ T1156] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 160.091480][ T1156] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 160.457737][ T5830] Bluetooth: hci1: command tx timeout
[ 162.538649][ T5830] Bluetooth: hci1: command tx timeout
[ 162.858759][ T11] block nbd0: Possible stuck request ffff888025d88000: control (read@0,4096B). Runtime 60 seconds
[ 163.177961][ T5189] udevd[5189]: worker [5988] /devices/virtual/block/nbd0 is taking a long time
[ 164.618072][ T5830] Bluetooth: hci1: command tx timeout
[ 166.697516][ T5830] Bluetooth: hci1: command tx timeout
[ 192.938602][ T93] block nbd0: Possible stuck request ffff888025d88000: control (read@0,4096B). Runtime 90 seconds
[ 198.701570][ T1296] ieee802154 phy0 wpan0: encryption failed: -22
[ 198.707956][ T1296] ieee802154 phy1 wpan1: encryption failed: -22
2026/02/08 07:55:18 executed programs: 2
[ 216.207960][ T5140] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1
[ 216.215706][ T5140] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9
[ 216.223544][ T5140] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9
[ 216.231807][ T5140] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4
[ 216.239826][ T5140] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2
[ 216.430074][ T6242] chnl_net:caif_netlink_parms(): no params data found
[ 216.518905][ T6242] bridge0: port 1(bridge_slave_0) entered blocking state
[ 216.526793][ T6242] bridge0: port 1(bridge_slave_0) entered disabled state
[ 216.534337][ T6242] bridge_slave_0: entered allmulticast mode
[ 216.541796][ T6242] bridge_slave_0: entered promiscuous mode
[ 216.551383][ T6242] bridge0: port 2(bridge_slave_1) entered blocking state
[ 216.558752][ T6242] bridge0: port 2(bridge_slave_1) entered disabled state
[ 216.565921][ T6242] bridge_slave_1: entered allmulticast mode
[ 216.573787][ T6242] bridge_slave_1: entered promiscuous mode
[ 216.608813][ T6242] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 216.621162][ T6242] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 216.658787][ T6242] team0: Port device team_slave_0 added
[ 216.666928][ T6242] team0: Port device team_slave_1 added
[ 216.699627][ T6242] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 216.706578][ T6242] 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.
[ 216.733159][ T6242] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 216.746403][ T6242] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 216.753595][ T6242] 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.
[ 216.779979][ T6242] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 216.830972][ T6242] hsr_slave_0: entered promiscuous mode
[ 216.838714][ T6242] hsr_slave_1: entered promiscuous mode
[ 216.844914][ T6242] debugfs: 'hsr0' already exists in 'hsr'
[ 216.850792][ T6242] Cannot create hsr debugfs directory
[ 216.976185][ T6242] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 217.061244][ T6242] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 217.129902][ T6242] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 217.191968][ T6242] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 217.296879][ T6242] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 217.307612][ T6242] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 217.318677][ T6242] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 217.330837][ T6242] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 217.360100][ T6242] bridge0: port 2(bridge_slave_1) entered blocking state
[ 217.367236][ T6242] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 217.374913][ T6242] bridge0: port 1(bridge_slave_0) entered blocking state
[ 217.382065][ T6242] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 217.420111][ T13] bridge0: port 1(bridge_slave_0) entered disabled state
[ 217.428450][ T13] bridge0: port 2(bridge_slave_1) entered disabled state
[ 217.462346][ T6242] 8021q: adding VLAN 0 to HW filter on device bond0
[ 217.482782][ T6242] 8021q: adding VLAN 0 to HW filter on device team0
[ 217.495658][ T13] bridge0: port 1(bridge_slave_0) entered blocking state
[ 217.502973][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 217.516860][ T1156] bridge0: port 2(bridge_slave_1) entered blocking state
[ 217.524036][ T1156] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 217.728649][ T6242] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 217.775789][ T6242] veth0_vlan: entered promiscuous mode
[ 217.788309][ T6242] veth1_vlan: entered promiscuous mode
[ 217.824213][ T6242] veth0_macvtap: entered promiscuous mode
[ 217.833772][ T6242] veth1_macvtap: entered promiscuous mode
[ 217.853042][ T6242] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 217.868877][ T6242] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 217.883000][ T1156] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 217.894512][ T1156] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 217.905219][ T1156] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 217.915416][ T1156] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 218.297455][ T5830] Bluetooth: hci2: command tx timeout
[ 220.377416][ T5830] Bluetooth: hci2: command tx timeout
[ 222.457696][ T5830] Bluetooth: hci2: command tx timeout
[ 223.018441][ T11] block nbd0: Possible stuck request ffff888025d88000: control (read@0,4096B). Runtime 120 seconds
[ 224.537476][ T5140] Bluetooth: hci2: command tx timeout
[ 226.378053][ T5140] Bluetooth: hci0: command 0x0406 tx timeout
[ 253.097614][ T11] block nbd0: Possible stuck request ffff888025d88000: control (read@0,4096B). Runtime 150 seconds
[ 260.141303][ T1296] ieee802154 phy0 wpan0: encryption failed: -22
[ 260.147761][ T1296] ieee802154 phy1 wpan1: encryption failed: -22
[ 260.777585][ T32] INFO: task syz-executor.0:6064 blocked for more than 143 seconds.
[ 260.785638][ T32] Not tainted syzkaller #0
[ 260.795117][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 260.803871][ T32] task:syz-executor.0 state:D stack:28184 pid:6064 tgid:6063 ppid:6014 task_flags:0x400140 flags:0x00080803
[ 260.815868][ T32] Call Trace:
[ 260.819202][ T32]
[ 260.822406][ T32] __schedule+0x1522/0x51d0
[ 260.826971][ T32] ? __pfx___schedule+0x10/0x10
[ 260.832077][ T32] ? schedule+0x90/0x360
[ 260.836346][ T32] schedule+0x164/0x360
[ 260.840542][ T32] schedule_preempt_disabled+0x13/0x30
[ 260.846100][ T32] __mutex_lock+0x7fe/0x1300
[ 260.850756][ T32] ? __mutex_lock+0x5ac/0x1300
[ 260.855540][ T32] ? bdev_release+0x1a9/0x650
[ 260.860399][ T32] ? __pfx___mutex_lock+0x10/0x10
[ 260.865470][ T32] ? __asan_memset+0x22/0x50
[ 260.870268][ T32] ? srso_alias_return_thunk+0x5/0xfbef5
[ 260.875914][ T32] ? __fsnotify_parent+0x267/0x620
[ 260.881078][ T32] ? __pfx___fsnotify_parent+0x10/0x10
[ 260.886913][ T32] bdev_release+0x1a9/0x650
[ 260.891470][ T32] ? __pfx_blkdev_release+0x10/0x10
[ 260.896684][ T32] blkdev_release+0x15/0x20
[ 260.901245][ T32] __fput+0x44f/0xa70
[ 260.905363][ T32] task_work_run+0x1d9/0x270
[ 260.910002][ T32] ? __pfx_task_work_run+0x10/0x10
[ 260.915135][ T32] get_signal+0x11eb/0x1330
[ 260.919688][ T32] ? srso_alias_return_thunk+0x5/0xfbef5
[ 260.925335][ T32] ? srso_alias_return_thunk+0x5/0xfbef5
[ 260.931100][ T32] arch_do_signal_or_restart+0xbc/0x830
[ 260.936685][ T32] ? __pfx_task_work_add+0x10/0x10
[ 260.942046][ T32] ? __pfx_arch_do_signal_or_restart+0x10/0x10
[ 260.948404][ T32] ? __fput_deferred+0x216/0x380
[ 260.953559][ T32] ? __pfx___fput_deferred+0x10/0x10
[ 260.958985][ T32] exit_to_user_mode_loop+0x86/0x480
[ 260.964315][ T32] ? srso_alias_return_thunk+0x5/0xfbef5
[ 260.970330][ T32] ? rcu_is_watching+0x15/0xb0
[ 260.975217][ T32] do_syscall_64+0x2b7/0xf80
[ 260.979864][ T32] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 260.985985][ T32] ? trace_irq_disable+0x37/0x100
[ 260.991087][ T32] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 260.996996][ T32] RIP: 0033:0x7fc491c6ceb9
[ 261.001658][ T32] RSP: 002b:00007fc492ac90b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 261.010338][ T32] RAX: 0000000000000000 RBX: 00007fc491dabf80 RCX: 00007fc491c6ceb9
[ 261.018559][ T32] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 261.026734][ T32] RBP: 00007fc491ce2980 R08: 0000000000000000 R09: 0000000000000000
[ 261.034928][ T32] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 261.042928][ T32] R13: 000000000000000b R14: 00007fc491dabf80 R15: 00007ffc1c038cd8
[ 261.050996][ T32]
[ 261.054037][ T32]
[ 261.054037][ T32] Showing all locks held in the system:
[ 261.061814][ T32] 1 lock held by khungtaskd/32:
[ 261.066782][ T32] #0: ffffffff8e55a360 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
[ 261.076764][ T32] 2 locks held by getty/5581:
[ 261.081516][ T32] #0: ffff88814d2ee0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 261.091392][ T32] #1: ffffc9000332b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x45c/0x13c0
[ 261.103024][ T32] 1 lock held by udevd/5988:
[ 261.108013][ T32] #0: ffff888025c45358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xe0/0xd30
[ 261.117465][ T32] 1 lock held by syz-executor.0/6064:
[ 261.122829][ T32] #0: ffff888025c45358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x1a9/0x650
[ 261.132516][ T32] 1 lock held by syz-executor.0/6233:
[ 261.137974][ T32] #0: ffff888025c45358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xe0/0xd30
[ 261.147418][ T32] 1 lock held by syz-executor.0/6263:
[ 261.152794][ T32] #0: ffff888025c45358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xe0/0xd30
[ 261.162114][ T32]
[ 261.164447][ T32] =============================================
[ 261.164447][ T32]
[ 261.172920][ T32] NMI backtrace for cpu 1
[ 261.172939][ T32] CPU: 1 UID: 0 PID: 32 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full)
[ 261.172969][ T32] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[ 261.172984][ T32] Call Trace:
[ 261.172994][ T32]
[ 261.173005][ T32] dump_stack_lvl+0xe8/0x150
[ 261.173046][ T32] nmi_cpu_backtrace+0x274/0x2d0
[ 261.173088][ T32] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 261.173136][ T32] nmi_trigger_cpumask_backtrace+0x17a/0x300
[ 261.173184][ T32] sys_info+0x135/0x170
[ 261.173220][ T32] watchdog+0xf90/0xfe0
[ 261.173259][ T32] ? watchdog+0x209/0xfe0
[ 261.173301][ T32] kthread+0x726/0x8b0
[ 261.173340][ T32] ? __pfx_watchdog+0x10/0x10
[ 261.173369][ T32] ? __pfx_kthread+0x10/0x10
[ 261.173400][ T32] ? srso_alias_return_thunk+0x5/0xfbef5
[ 261.173442][ T32] ? _raw_spin_unlock_irq+0x23/0x50
[ 261.173470][ T32] ? __pfx_kthread+0x10/0x10
[ 261.173506][ T32] ret_from_fork+0x51b/0xa40
[ 261.173538][ T32] ? __pfx_ret_from_fork+0x10/0x10
[ 261.173562][ T32] ? srso_alias_return_thunk+0x5/0xfbef5
[ 261.173595][ T32] ? __switch_to+0xc82/0x1410
[ 261.173658][ T32] ? __pfx_kthread+0x10/0x10
[ 261.173693][ T32] ret_from_fork_asm+0x1a/0x30
[ 261.173756][ T32]
[ 261.173766][ T32] Sending NMI from CPU 1 to CPUs 0:
[ 261.304051][ C0] NMI backtrace for cpu 0
[ 261.304073][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full)
[ 261.304098][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[ 261.304112][ C0] RIP: 0010:pv_native_safe_halt+0xf/0x20
[ 261.304143][ C0] Code: 98 60 02 e9 fe 25 79 f5 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 53 49 12 00 fb f4 d7 25 79 f5 cc cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90
[ 261.304161][ C0] RSP: 0018:ffffffff8e207dc0 EFLAGS: 00000246
[ 261.304181][ C0] RAX: 0000000000135f17 RBX: ffffffff8199570d RCX: 0000000080000001
[ 261.304198][ C0] RDX: 0000000000000001 RSI: ffffffff8dcc9ce4 RDI: ffffffff8c073b00
[ 261.304214][ C0] RBP: ffffffff8e207eb0 R08: ffff8880b86336db R09: 1ffff110170c66db
[ 261.304230][ C0] R10: dffffc0000000000 R11: ffffed10170c66dc R12: ffffffff8fef2070
[ 261.304247][ C0] R13: 1ffffffff1c52a78 R14: 0000000000000000 R15: 0000000000000000
[ 261.304265][ C0] FS: 0000000000000000(0000) GS:ffff8881256f3000(0000) knlGS:0000000000000000
[ 261.304283][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 261.304298][ C0] CR2: 0000555a3ed85168 CR3: 000000000e346000 CR4: 0000000000350ef0
[ 261.304315][ C0] Call Trace:
[ 261.304326][ C0]
[ 261.304334][ C0] default_idle+0x9/0x20
[ 261.304363][ C0] default_idle_call+0x72/0xb0
[ 261.304393][ C0] do_idle+0x1bd/0x500
[ 261.304416][ C0] ? lock_acquire+0x106/0x330
[ 261.304450][ C0] ? __pfx_do_idle+0x10/0x10
[ 261.304470][ C0] ? srso_alias_return_thunk+0x5/0xfbef5
[ 261.304505][ C0] cpu_startup_entry+0x43/0x60
[ 261.304526][ C0] rest_init+0x2de/0x300
[ 261.304558][ C0] start_kernel+0x380/0x3d0
[ 261.304595][ C0] x86_64_start_reservations+0x24/0x30
[ 261.304622][ C0] x86_64_start_kernel+0x143/0x1c0
[ 261.304649][ C0] common_startup_64+0x13e/0x147
[ 261.304691][ C0]
[ 261.327449][ T32] Kernel panic - not syncing: hung_task: blocked tasks
[ 261.327474][ T32] CPU: 1 UID: 0 PID: 32 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full)
[ 261.327504][ T32] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[ 261.327521][ T32] Call Trace:
[ 261.327534][ T32]
[ 261.327547][ T32] vpanic+0x1e0/0x670
[ 261.327590][ T32] panic+0xc5/0xd0
[ 261.327632][ T32] ? __pfx_panic+0x10/0x10
[ 261.327664][ T32] ? srso_alias_return_thunk+0x5/0xfbef5
[ 261.327699][ T32] ? srso_alias_return_thunk+0x5/0xfbef5
[ 261.327730][ T32] ? preempt_schedule_thunk+0x16/0x30
[ 261.327780][ T32] ? srso_alias_return_thunk+0x5/0xfbef5
[ 261.327813][ T32] ? nmi_trigger_cpumask_backtrace+0x2bb/0x300
[ 261.327858][ T32] watchdog+0xfda/0xfe0
[ 261.327894][ T32] ? watchdog+0x209/0xfe0
[ 261.327929][ T32] kthread+0x726/0x8b0
[ 261.327963][ T32] ? __pfx_watchdog+0x10/0x10
[ 261.327990][ T32] ? __pfx_kthread+0x10/0x10
[ 261.328016][ T32] ? srso_alias_return_thunk+0x5/0xfbef5
[ 261.328052][ T32] ? _raw_spin_unlock_irq+0x23/0x50
[ 261.328076][ T32] ? __pfx_kthread+0x10/0x10
[ 261.328107][ T32] ret_from_fork+0x51b/0xa40
[ 261.328135][ T32] ? __pfx_ret_from_fork+0x10/0x10
[ 261.609478][ T32] ? srso_alias_return_thunk+0x5/0xfbef5
[ 261.615115][ T32] ? __switch_to+0xc82/0x1410
[ 261.619882][ T32] ? __pfx_kthread+0x10/0x10
[ 261.624557][ T32] ret_from_fork_asm+0x1a/0x30
[ 261.629333][ T32]
[ 261.632913][ T32] Kernel Offset: disabled
[ 261.637336][ T32] Rebooting in 86400 seconds..