[ 92.049946][ T9] cfg80211: failed to load regulatory.db
Warning: Permanently added '10.128.1.60' (ED25519) to the list of known hosts.
2025/09/08 08:17:59 ignoring optional flag "type"="gce"
2025/09/08 08:17:59 parsed 1 programs
2025/09/08 08:17:59 executed programs: 0
[ 98.216660][ T53] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 98.225741][ T53] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 98.234422][ T53] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 98.243408][ T53] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 98.252181][ T53] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 98.384769][ T6055] chnl_net:caif_netlink_parms(): no params data found
[ 98.463027][ T6055] bridge0: port 1(bridge_slave_0) entered blocking state
[ 98.471139][ T6055] bridge0: port 1(bridge_slave_0) entered disabled state
[ 98.479112][ T6055] bridge_slave_0: entered allmulticast mode
[ 98.486282][ T6055] bridge_slave_0: entered promiscuous mode
[ 98.494875][ T6055] bridge0: port 2(bridge_slave_1) entered blocking state
[ 98.502156][ T6055] bridge0: port 2(bridge_slave_1) entered disabled state
[ 98.509437][ T6055] bridge_slave_1: entered allmulticast mode
[ 98.516590][ T6055] bridge_slave_1: entered promiscuous mode
[ 98.545495][ T6055] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 98.558203][ T6055] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 98.589787][ T6055] team0: Port device team_slave_0 added
[ 98.598620][ T6055] team0: Port device team_slave_1 added
[ 98.625473][ T6055] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 98.632934][ T6055] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem.
[ 98.659417][ T6055] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 98.671571][ T6055] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 98.679353][ T6055] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem.
[ 98.705859][ T6055] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 98.742910][ T6055] hsr_slave_0: entered promiscuous mode
[ 98.749675][ T6055] hsr_slave_1: entered promiscuous mode
[ 98.856449][ T6055] bridge0: port 2(bridge_slave_1) entered blocking state
[ 98.863631][ T6055] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 98.871196][ T6055] bridge0: port 1(bridge_slave_0) entered blocking state
[ 98.878377][ T6055] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 98.927842][ T6055] 8021q: adding VLAN 0 to HW filter on device bond0
[ 98.943291][ T4799] bridge0: port 1(bridge_slave_0) entered disabled state
[ 98.952075][ T4799] bridge0: port 2(bridge_slave_1) entered disabled state
[ 98.970344][ T6055] 8021q: adding VLAN 0 to HW filter on device team0
[ 98.983816][ T36] bridge0: port 1(bridge_slave_0) entered blocking state
[ 98.991179][ T36] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 99.005110][ T4799] bridge0: port 2(bridge_slave_1) entered blocking state
[ 99.012565][ T4799] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 99.083376][ T6055] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 99.409778][ T6055] veth0_vlan: entered promiscuous mode
[ 99.421686][ T6055] veth1_vlan: entered promiscuous mode
[ 99.446886][ T6055] veth0_macvtap: entered promiscuous mode
[ 99.456603][ T6055] veth1_macvtap: entered promiscuous mode
[ 99.473936][ T6055] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 99.489948][ T6055] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 99.617701][ T6081] nbd0: detected capacity change from 0 to 2046
[ 100.288416][ T53] Bluetooth: hci0: command tx timeout
[ 100.383653][ T5180] block nbd0: Receive control failed (result -104)
[ 102.367360][ T5180] Bluetooth: hci0: command tx timeout
[ 104.448497][ T5180] Bluetooth: hci0: command tx timeout
[ 106.527376][ T5180] Bluetooth: hci0: command tx timeout
[ 129.817436][ T11] block nbd0: Possible stuck request ffff888025507000: control (read@0,4096B). Runtime 30 seconds
[ 133.010780][ T1300] ieee802154 phy0 wpan0: encryption failed: -22
[ 133.017425][ T1300] ieee802154 phy1 wpan1: encryption failed: -22
2025/09/08 08:18:57 executed programs: 1
[ 156.617449][ T53] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1
[ 156.625678][ T53] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9
[ 156.634927][ T53] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9
[ 156.644753][ T53] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4
[ 156.653036][ T53] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2
[ 156.788134][ T6091] chnl_net:caif_netlink_parms(): no params data found
[ 156.858510][ T6091] bridge0: port 1(bridge_slave_0) entered blocking state
[ 156.865757][ T6091] bridge0: port 1(bridge_slave_0) entered disabled state
[ 156.873545][ T6091] bridge_slave_0: entered allmulticast mode
[ 156.880985][ T6091] bridge_slave_0: entered promiscuous mode
[ 156.889912][ T6091] bridge0: port 2(bridge_slave_1) entered blocking state
[ 156.897929][ T6091] bridge0: port 2(bridge_slave_1) entered disabled state
[ 156.905513][ T6091] bridge_slave_1: entered allmulticast mode
[ 156.914271][ T6091] bridge_slave_1: entered promiscuous mode
[ 156.948063][ T6091] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 156.959809][ T6091] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 156.994170][ T6091] team0: Port device team_slave_0 added
[ 157.002224][ T6091] team0: Port device team_slave_1 added
[ 157.031645][ T6091] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 157.039796][ T6091] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem.
[ 157.066314][ T6091] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 157.079100][ T6091] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 157.086245][ T6091] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem.
[ 157.113827][ T6091] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 157.153072][ T6091] hsr_slave_0: entered promiscuous mode
[ 157.160098][ T6091] hsr_slave_1: entered promiscuous mode
[ 157.166410][ T6091] debugfs: 'hsr0' already exists in 'hsr'
[ 157.172397][ T6091] Cannot create hsr debugfs directory
[ 157.278229][ T6091] bridge0: port 2(bridge_slave_1) entered blocking state
[ 157.285729][ T6091] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 157.293370][ T6091] bridge0: port 1(bridge_slave_0) entered blocking state
[ 157.300943][ T6091] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 157.356045][ T6091] 8021q: adding VLAN 0 to HW filter on device bond0
[ 157.373389][ T4799] bridge0: port 1(bridge_slave_0) entered disabled state
[ 157.383034][ T4799] bridge0: port 2(bridge_slave_1) entered disabled state
[ 157.400113][ T6091] 8021q: adding VLAN 0 to HW filter on device team0
[ 157.414686][ T4799] bridge0: port 1(bridge_slave_0) entered blocking state
[ 157.422075][ T4799] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 157.437006][ T4799] bridge0: port 2(bridge_slave_1) entered blocking state
[ 157.444611][ T4799] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 157.513895][ T6091] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 157.839524][ T6091] veth0_vlan: entered promiscuous mode
[ 157.852053][ T6091] veth1_vlan: entered promiscuous mode
[ 157.883145][ T6091] veth0_macvtap: entered promiscuous mode
[ 157.892774][ T6091] veth1_macvtap: entered promiscuous mode
[ 157.910717][ T6091] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 157.926194][ T6091] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 158.687507][ T53] Bluetooth: hci1: command tx timeout
[ 159.891760][ T11] block nbd0: Possible stuck request ffff888025507000: control (read@0,4096B). Runtime 60 seconds
[ 160.767339][ T53] Bluetooth: hci1: command tx timeout
[ 160.998772][ T5230] udevd[5230]: worker [6040] /devices/virtual/block/nbd0 is taking a long time
[ 162.847650][ T53] Bluetooth: hci1: command tx timeout
[ 164.927585][ T53] Bluetooth: hci1: command tx timeout
[ 189.969143][ T11] block nbd0: Possible stuck request ffff888025507000: control (read@0,4096B). Runtime 90 seconds
[ 194.450073][ T1300] ieee802154 phy0 wpan0: encryption failed: -22
[ 194.456735][ T1300] ieee802154 phy1 wpan1: encryption failed: -22
2025/09/08 08:19:55 executed programs: 2
[ 215.098394][ T5180] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1
[ 215.106539][ T5180] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9
[ 215.115634][ T5180] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9
[ 215.123872][ T5180] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4
[ 215.133460][ T5180] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2
[ 215.270839][ T6127] chnl_net:caif_netlink_parms(): no params data found
[ 215.339047][ T6127] bridge0: port 1(bridge_slave_0) entered blocking state
[ 215.346334][ T6127] bridge0: port 1(bridge_slave_0) entered disabled state
[ 215.353676][ T6127] bridge_slave_0: entered allmulticast mode
[ 215.360855][ T6127] bridge_slave_0: entered promiscuous mode
[ 215.369383][ T6127] bridge0: port 2(bridge_slave_1) entered blocking state
[ 215.376588][ T6127] bridge0: port 2(bridge_slave_1) entered disabled state
[ 215.384399][ T6127] bridge_slave_1: entered allmulticast mode
[ 215.392907][ T6127] bridge_slave_1: entered promiscuous mode
[ 215.424171][ T6127] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 215.436016][ T6127] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 215.469633][ T6127] team0: Port device team_slave_0 added
[ 215.478072][ T6127] team0: Port device team_slave_1 added
[ 215.504945][ T6127] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 215.512626][ T6127] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem.
[ 215.539010][ T6127] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 215.551724][ T6127] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 215.559904][ T6127] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem.
[ 215.587320][ T6127] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 215.624451][ T6127] hsr_slave_0: entered promiscuous mode
[ 215.631732][ T6127] hsr_slave_1: entered promiscuous mode
[ 215.638106][ T6127] debugfs: 'hsr0' already exists in 'hsr'
[ 215.643948][ T6127] Cannot create hsr debugfs directory
[ 215.754059][ T6127] bridge0: port 2(bridge_slave_1) entered blocking state
[ 215.761500][ T6127] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 215.769182][ T6127] bridge0: port 1(bridge_slave_0) entered blocking state
[ 215.776318][ T6127] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 215.826867][ T6127] 8021q: adding VLAN 0 to HW filter on device bond0
[ 215.844467][ T51] bridge0: port 1(bridge_slave_0) entered disabled state
[ 215.854070][ T51] bridge0: port 2(bridge_slave_1) entered disabled state
[ 215.870957][ T6127] 8021q: adding VLAN 0 to HW filter on device team0
[ 215.885331][ T4799] bridge0: port 1(bridge_slave_0) entered blocking state
[ 215.892566][ T4799] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 215.907091][ T51] bridge0: port 2(bridge_slave_1) entered blocking state
[ 215.914379][ T51] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 215.980617][ T6127] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 216.310310][ T6127] veth0_vlan: entered promiscuous mode
[ 216.326179][ T6127] veth1_vlan: entered promiscuous mode
[ 216.354076][ T6127] veth0_macvtap: entered promiscuous mode
[ 216.364128][ T6127] veth1_macvtap: entered promiscuous mode
[ 216.383485][ T6127] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 216.398913][ T6127] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 217.167414][ T53] Bluetooth: hci2: command tx timeout
[ 219.247402][ T53] Bluetooth: hci2: command tx timeout
[ 220.048694][ T11] block nbd0: Possible stuck request ffff888025507000: control (read@0,4096B). Runtime 120 seconds
[ 221.327807][ T5180] Bluetooth: hci2: command tx timeout
[ 222.127385][ T5180] Bluetooth: hci0: command 0x0406 tx timeout
[ 223.407378][ T53] Bluetooth: hci2: command tx timeout
[ 250.128303][ T57] block nbd0: Possible stuck request ffff888025507000: control (read@0,4096B). Runtime 150 seconds
[ 255.890377][ T1300] ieee802154 phy0 wpan0: encryption failed: -22
[ 255.897043][ T1300] ieee802154 phy1 wpan1: encryption failed: -22
[ 257.167666][ T31] INFO: task syz-executor.0:6080 blocked for more than 143 seconds.
[ 257.175703][ T31] Not tainted syzkaller #0
[ 257.180807][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 257.189985][ T31] task:syz-executor.0 state:D stack:25608 pid:6080 tgid:6080 ppid:6055 task_flags:0x400040 flags:0x00004006
[ 257.202870][ T31] Call Trace:
[ 257.206262][ T31]
[ 257.209247][ T31] __schedule+0x1798/0x4cc0
[ 257.213796][ T31] ? __lock_acquire+0xab9/0xd20
[ 257.218808][ T31] ? __lock_acquire+0xab9/0xd20
[ 257.223848][ T31] ? __pfx___schedule+0x10/0x10
[ 257.228852][ T31] ? schedule+0x91/0x360
[ 257.233104][ T31] schedule+0x165/0x360
[ 257.237398][ T31] schedule_preempt_disabled+0x13/0x30
[ 257.243217][ T31] __mutex_lock+0x7e6/0x1350
[ 257.247940][ T31] ? __mutex_lock+0x5bb/0x1350
[ 257.252740][ T31] ? bdev_release+0x1a9/0x650
[ 257.257545][ T31] ? __pfx___mutex_lock+0x10/0x10
[ 257.262687][ T31] ? __asan_memset+0x22/0x50
[ 257.267426][ T31] ? __pfx___fsnotify_parent+0x10/0x10
[ 257.273079][ T31] ? locks_remove_posix+0x395/0x650
[ 257.278346][ T31] bdev_release+0x1a9/0x650
[ 257.282865][ T31] ? __pfx_blkdev_release+0x10/0x10
[ 257.288117][ T31] blkdev_release+0x15/0x20
[ 257.292826][ T31] __fput+0x449/0xa70
[ 257.296805][ T31] fput_close_sync+0x119/0x200
[ 257.301769][ T31] ? dnotify_flush+0x1db/0x5e0
[ 257.306715][ T31] ? __pfx_fput_close_sync+0x10/0x10
[ 257.312175][ T31] ? do_raw_spin_unlock+0x122/0x240
[ 257.317636][ T31] __x64_sys_close+0x7f/0x110
[ 257.322452][ T31] do_syscall_64+0xfa/0xfa0
[ 257.327155][ T31] ? lockdep_hardirqs_on+0x9c/0x150
[ 257.332739][ T31] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 257.338939][ T31] ? clear_bhb_loop+0x60/0xb0
[ 257.343814][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 257.349964][ T31] RIP: 0033:0x7f22c9878a4a
[ 257.354567][ T31] RSP: 002b:00007ffdd52b6080 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
[ 257.363234][ T31] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f22c9878a4a
[ 257.371481][ T31] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
[ 257.379663][ T31] RBP: 00007f22c998d980 R08: 0000001b2e260000 R09: 7fffffffffffffff
[ 257.387898][ T31] R10: 3fffffffffffffff R11: 0000000000000293 R12: 00000000000187ef
[ 257.396339][ T31] R13: 00007f22c998bf8c R14: 00000000000184cc R15: 00007f22c9d90000
[ 257.404742][ T31]
[ 257.407988][ T31] INFO: task syz-executor.0:6081 blocked for more than 143 seconds.
[ 257.415998][ T31] Not tainted syzkaller #0
[ 257.421066][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 257.429968][ T31] task:syz-executor.0 state:D stack:27144 pid:6081 tgid:6080 ppid:6055 task_flags:0x400140 flags:0x00004006
[ 257.442117][ T31] Call Trace:
[ 257.445503][ T31]
[ 257.448495][ T31] __schedule+0x1798/0x4cc0
[ 257.453024][ T31] ? locks_remove_posix+0x395/0x650
[ 257.458370][ T31] ? __lock_acquire+0xab9/0xd20
[ 257.463264][ T31] ? __lock_acquire+0xab9/0xd20
[ 257.468284][ T31] ? __pfx___schedule+0x10/0x10
[ 257.473215][ T31] ? schedule+0x91/0x360
[ 257.477631][ T31] schedule+0x165/0x360
[ 257.481893][ T31] schedule_preempt_disabled+0x13/0x30
[ 257.487621][ T31] __mutex_lock+0x7e6/0x1350
[ 257.492394][ T31] ? __mutex_lock+0x5bb/0x1350
[ 257.497401][ T31] ? bdev_release+0x1a9/0x650
[ 257.502102][ T31] ? __pfx___mutex_lock+0x10/0x10
[ 257.507314][ T31] ? __asan_memset+0x22/0x50
[ 257.512107][ T31] ? __pfx___fsnotify_parent+0x10/0x10
[ 257.517769][ T31] ? do_raw_spin_lock+0x121/0x290
[ 257.522903][ T31] bdev_release+0x1a9/0x650
[ 257.527668][ T31] ? __pfx_blkdev_release+0x10/0x10
[ 257.532994][ T31] blkdev_release+0x15/0x20
[ 257.537641][ T31] __fput+0x449/0xa70
[ 257.541856][ T31] task_work_run+0x1d1/0x260
[ 257.546520][ T31] ? __pfx_task_work_run+0x10/0x10
[ 257.551720][ T31] ? exit_to_user_mode_loop+0x40/0x130
[ 257.557508][ T31] exit_to_user_mode_loop+0xec/0x130
[ 257.562817][ T31] do_syscall_64+0x2bd/0xfa0
[ 257.567733][ T31] ? lockdep_hardirqs_on+0x9c/0x150
[ 257.572951][ T31] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 257.579086][ T31] ? clear_bhb_loop+0x60/0xb0
[ 257.583816][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 257.589974][ T31] RIP: 0033:0x7f22c9879a29
[ 257.594400][ T31] RSP: 002b:00007f22caa090c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 257.603359][ T31] RAX: 0000000000000000 RBX: 00007f22c998bf80 RCX: 00007f22c9879a29
[ 257.611536][ T31] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 257.619690][ T31] RBP: 00007f22c98d5170 R08: 0000000000000000 R09: 0000000000000000
[ 257.627785][ T31] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 257.636054][ T31] R13: 000000000000000b R14: 00007f22c998bf80 R15: 00007ffdd52b5fb8
[ 257.644429][ T31]
[ 257.648010][ T31]
[ 257.648010][ T31] Showing all locks held in the system:
[ 257.655847][ T31] 1 lock held by khungtaskd/31:
[ 257.660947][ T31] #0: ffffffff8e33cf20 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
[ 257.671085][ T31] 2 locks held by getty/5619:
[ 257.675761][ T31] #0: ffff88814cfff0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 257.686002][ T31] #1: ffffc9000332e2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x43e/0x1400
[ 257.696643][ T31] 1 lock held by udevd/6040:
[ 257.701380][ T31] #0: ffff8881433aa358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xe0/0xd30
[ 257.710801][ T31] 1 lock held by syz-executor.0/6080:
[ 257.716285][ T31] #0: ffff8881433aa358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x1a9/0x650
[ 257.726057][ T31] 1 lock held by syz-executor.0/6081:
[ 257.731663][ T31] #0: ffff8881433aa358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x1a9/0x650
[ 257.741812][ T31] 1 lock held by syz-executor.0/6117:
[ 257.747408][ T31] #0: ffff8881433aa358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xe0/0xd30
[ 257.756813][ T31] 1 lock held by syz-executor.0/6118:
[ 257.762284][ T31] #0: ffff8881433aa358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xe0/0xd30
[ 257.771801][ T31] 1 lock held by syz-executor.0/6154:
[ 257.777364][ T31] #0: ffff8881433aa358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xe0/0xd30
[ 257.786711][ T31] 1 lock held by syz-executor.0/6155:
[ 257.792160][ T31] #0: ffff8881433aa358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xe0/0xd30
[ 257.801823][ T31]
[ 257.804417][ T31] =============================================
[ 257.804417][ T31]
[ 257.813395][ T31] NMI backtrace for cpu 1
[ 257.813419][ T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full)
[ 257.813440][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 257.813450][ T31] Call Trace:
[ 257.813456][ T31]
[ 257.813464][ T31] dump_stack_lvl+0x189/0x250
[ 257.813491][ T31] ? __pfx_dump_stack_lvl+0x10/0x10
[ 257.813513][ T31] ? __pfx__printk+0x10/0x10
[ 257.813548][ T31] nmi_cpu_backtrace+0x39e/0x3d0
[ 257.813577][ T31] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 257.813603][ T31] ? __pfx__printk+0x10/0x10
[ 257.813633][ T31] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 257.813660][ T31] nmi_trigger_cpumask_backtrace+0x17a/0x300
[ 257.813686][ T31] watchdog+0xf60/0xfa0
[ 257.813717][ T31] ? watchdog+0x1e2/0xfa0
[ 257.813749][ T31] kthread+0x70e/0x8a0
[ 257.813774][ T31] ? __pfx_watchdog+0x10/0x10
[ 257.813798][ T31] ? __pfx_kthread+0x10/0x10
[ 257.813822][ T31] ? _raw_spin_unlock_irq+0x23/0x50
[ 257.813850][ T31] ? lockdep_hardirqs_on+0x9c/0x150
[ 257.813867][ T31] ? __pfx_kthread+0x10/0x10
[ 257.813889][ T31] ret_from_fork+0x47c/0x820
[ 257.813918][ T31] ? __pfx_ret_from_fork+0x10/0x10
[ 257.813950][ T31] ? __switch_to_asm+0x39/0x70
[ 257.813972][ T31] ? __switch_to_asm+0x33/0x70
[ 257.813995][ T31] ? __pfx_kthread+0x10/0x10
[ 257.814016][ T31] ret_from_fork_asm+0x1a/0x30
[ 257.814056][ T31]
[ 257.814063][ T31] Sending NMI from CPU 1 to CPUs 0:
[ 257.963844][ C0] NMI backtrace for cpu 0
[ 257.963863][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full)
[ 257.963882][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 257.963893][ C0] RIP: 0010:pv_native_safe_halt+0x13/0x20
[ 257.963916][ 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 33 61 29 00 f3 0f 1e fa fb f4 08 e7 02 00 cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90
[ 257.963930][ C0] RSP: 0018:ffffffff8e007d80 EFLAGS: 000002c6
[ 257.963947][ C0] RAX: b2e7ffad7ddb6a00 RBX: ffffffff81978e38 RCX: b2e7ffad7ddb6a00
[ 257.963961][ C0] RDX: 0000000000000001 RSI: ffffffff8dbbd436 RDI: ffffffff8c037200
[ 257.963973][ C0] RBP: ffffffff8e007ea8 R08: ffff8880b8632f9b R09: 1ffff110170c65f3
[ 257.963987][ C0] R10: dffffc0000000000 R11: ffffed10170c65f4 R12: ffffffff8fc3ee30
[ 257.964000][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 1ffffffff1c12a38
[ 257.964011][ C0] FS: 0000000000000000(0000) GS:ffff8881259f9000(0000) knlGS:0000000000000000
[ 257.964025][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 257.964037][ C0] CR2: 000055ff06463660 CR3: 000000007677a000 CR4: 00000000003526f0
[ 257.964054][ C0] Call Trace:
[ 257.964063][ C0]
[ 257.964071][ C0] default_idle+0x13/0x20
[ 257.964090][ C0] default_idle_call+0x74/0xb0
[ 257.964112][ C0] do_idle+0x1e8/0x510
[ 257.964140][ C0] ? __pfx_do_idle+0x10/0x10
[ 257.964172][ C0] cpu_startup_entry+0x44/0x60
[ 257.964196][ C0] rest_init+0x2de/0x300
[ 257.964218][ C0] start_kernel+0x3a9/0x410
[ 257.964250][ C0] x86_64_start_reservations+0x24/0x30
[ 257.964276][ C0] x86_64_start_kernel+0x143/0x1c0
[ 257.964300][ C0] common_startup_64+0x13e/0x147
[ 257.964323][ C0]
[ 257.964891][ T31] Kernel panic - not syncing: hung_task: blocked tasks
[ 258.149468][ T31] CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full)
[ 258.158830][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 258.169064][ T31] Call Trace:
[ 258.172350][ T31]
[ 258.175390][ T31] dump_stack_lvl+0x99/0x250
[ 258.180145][ T31] ? __asan_memcpy+0x40/0x70
[ 258.184895][ T31] ? __pfx_dump_stack_lvl+0x10/0x10
[ 258.190176][ T31] ? __pfx__printk+0x10/0x10
[ 258.194870][ T31] vpanic+0x237/0x6d0
[ 258.198969][ T31] ? __pfx_vpanic+0x10/0x10
[ 258.203463][ T31] ? preempt_schedule_common+0x83/0xd0
[ 258.209094][ T31] panic+0xb9/0xc0
[ 258.212827][ T31] ? __pfx_panic+0x10/0x10
[ 258.217444][ T31] ? preempt_schedule_thunk+0x16/0x30
[ 258.223078][ T31] ? nmi_trigger_cpumask_backtrace+0x2bb/0x300
[ 258.229308][ T31] watchdog+0xf9f/0xfa0
[ 258.233458][ T31] ? watchdog+0x1e2/0xfa0
[ 258.237787][ T31] kthread+0x70e/0x8a0
[ 258.241866][ T31] ? __pfx_watchdog+0x10/0x10
[ 258.246795][ T31] ? __pfx_kthread+0x10/0x10
[ 258.251738][ T31] ? _raw_spin_unlock_irq+0x23/0x50
[ 258.256954][ T31] ? lockdep_hardirqs_on+0x9c/0x150
[ 258.262263][ T31] ? __pfx_kthread+0x10/0x10
[ 258.267027][ T31] ret_from_fork+0x47c/0x820
[ 258.271655][ T31] ? __pfx_ret_from_fork+0x10/0x10
[ 258.276944][ T31] ? __switch_to_asm+0x39/0x70
[ 258.281800][ T31] ? __switch_to_asm+0x33/0x70
[ 258.286661][ T31] ? __pfx_kthread+0x10/0x10
[ 258.291437][ T31] ret_from_fork_asm+0x1a/0x30
[ 258.296302][ T31]
[ 258.299698][ T31] Kernel Offset: disabled
[ 258.304102][ T31] Rebooting in 86400 seconds..