[ 86.820058][ T24] cfg80211: failed to load regulatory.db
Warning: Permanently added '10.128.1.179' (ED25519) to the list of known hosts.
2026/04/07 04:20:51 ignoring optional flag "type"="gce"
2026/04/07 04:20:51 parsed 1 programs
2026/04/07 04:20:51 executed programs: 0
[ 89.151054][ T5845] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 89.158810][ T5845] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 89.166935][ T5845] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 89.175706][ T5845] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 89.184841][ T5845] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 89.312488][ T6028] chnl_net:caif_netlink_parms(): no params data found
[ 89.402378][ T6028] bridge0: port 1(bridge_slave_0) entered blocking state
[ 89.410055][ T6028] bridge0: port 1(bridge_slave_0) entered disabled state
[ 89.417811][ T6028] bridge_slave_0: entered allmulticast mode
[ 89.424907][ T6028] bridge_slave_0: entered promiscuous mode
[ 89.433094][ T6028] bridge0: port 2(bridge_slave_1) entered blocking state
[ 89.440663][ T6028] bridge0: port 2(bridge_slave_1) entered disabled state
[ 89.448963][ T6028] bridge_slave_1: entered allmulticast mode
[ 89.455951][ T6028] bridge_slave_1: entered promiscuous mode
[ 89.485332][ T6028] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 89.497461][ T6028] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 89.528227][ T6028] team0: Port device team_slave_0 added
[ 89.536109][ T6028] team0: Port device team_slave_1 added
[ 89.565177][ T6028] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 89.572640][ T6028] 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.
[ 89.598669][ T6028] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 89.610513][ T6028] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 89.617699][ T6028] 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.
[ 89.643627][ T6028] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 89.680418][ T6028] hsr_slave_0: entered promiscuous mode
[ 89.686722][ T6028] hsr_slave_1: entered promiscuous mode
[ 89.785356][ T6028] bridge0: port 2(bridge_slave_1) entered blocking state
[ 89.792558][ T6028] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 89.800235][ T6028] bridge0: port 1(bridge_slave_0) entered blocking state
[ 89.807644][ T6028] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 89.854321][ T6028] 8021q: adding VLAN 0 to HW filter on device bond0
[ 89.872034][ T58] bridge0: port 1(bridge_slave_0) entered disabled state
[ 89.880151][ T58] bridge0: port 2(bridge_slave_1) entered disabled state
[ 89.894105][ T6028] 8021q: adding VLAN 0 to HW filter on device team0
[ 89.906714][ T58] bridge0: port 1(bridge_slave_0) entered blocking state
[ 89.913876][ T58] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 89.926530][ T172] bridge0: port 2(bridge_slave_1) entered blocking state
[ 89.933807][ T172] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 89.995001][ T6028] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 90.291285][ T6028] veth0_vlan: entered promiscuous mode
[ 90.302454][ T6028] veth1_vlan: entered promiscuous mode
[ 90.333900][ T6028] veth0_macvtap: entered promiscuous mode
[ 90.343515][ T6028] veth1_macvtap: entered promiscuous mode
[ 90.360927][ T6028] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 90.375692][ T6028] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 90.537674][ T6054] nbd0: detected capacity change from 0 to 2046
[ 91.227882][ T51] Bluetooth: hci0: command tx timeout
[ 91.279505][ T5845] block nbd0: Receive control failed (result -104)
[ 93.297133][ T5845] Bluetooth: hci0: command tx timeout
[ 95.377575][ T5845] Bluetooth: hci0: command tx timeout
[ 97.457180][ T5845] Bluetooth: hci0: command tx timeout
[ 120.738929][ T25] block nbd0: Possible stuck request ffff888026d97000: control (read@0,4096B). Runtime 30 seconds
[ 132.899286][ T1315] ieee802154 phy0 wpan0: encryption failed: -22
[ 132.905861][ T1315] ieee802154 phy1 wpan1: encryption failed: -22
2026/04/07 04:21:48 executed programs: 1
[ 147.546196][ T51] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1
[ 147.554159][ T51] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9
[ 147.562154][ T51] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9
[ 147.570457][ T51] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4
[ 147.579154][ T51] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2
[ 147.700878][ T6063] chnl_net:caif_netlink_parms(): no params data found
[ 147.761483][ T6063] bridge0: port 1(bridge_slave_0) entered blocking state
[ 147.768707][ T6063] bridge0: port 1(bridge_slave_0) entered disabled state
[ 147.776169][ T6063] bridge_slave_0: entered allmulticast mode
[ 147.783627][ T6063] bridge_slave_0: entered promiscuous mode
[ 147.791512][ T6063] bridge0: port 2(bridge_slave_1) entered blocking state
[ 147.799215][ T6063] bridge0: port 2(bridge_slave_1) entered disabled state
[ 147.806426][ T6063] bridge_slave_1: entered allmulticast mode
[ 147.814285][ T6063] bridge_slave_1: entered promiscuous mode
[ 147.841259][ T6063] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 147.852621][ T6063] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 147.883711][ T6063] team0: Port device team_slave_0 added
[ 147.891472][ T6063] team0: Port device team_slave_1 added
[ 147.915971][ T6063] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 147.924033][ T6063] 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.
[ 147.950141][ T6063] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 147.962084][ T6063] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 147.969515][ T6063] 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.
[ 147.995733][ T6063] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 148.029724][ T6063] hsr_slave_0: entered promiscuous mode
[ 148.036027][ T6063] hsr_slave_1: entered promiscuous mode
[ 148.042421][ T6063] debugfs: 'hsr0' already exists in 'hsr'
[ 148.048366][ T6063] Cannot create hsr debugfs directory
[ 148.141023][ T6063] bridge0: port 2(bridge_slave_1) entered blocking state
[ 148.148275][ T6063] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 148.155814][ T6063] bridge0: port 1(bridge_slave_0) entered blocking state
[ 148.162979][ T6063] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 148.205991][ T6063] 8021q: adding VLAN 0 to HW filter on device bond0
[ 148.221401][ T172] bridge0: port 1(bridge_slave_0) entered disabled state
[ 148.230147][ T172] bridge0: port 2(bridge_slave_1) entered disabled state
[ 148.243404][ T6063] 8021q: adding VLAN 0 to HW filter on device team0
[ 148.258164][ T58] bridge0: port 1(bridge_slave_0) entered blocking state
[ 148.265323][ T58] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 148.278023][ T1030] bridge0: port 2(bridge_slave_1) entered blocking state
[ 148.285194][ T1030] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 148.343172][ T6063] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 148.622423][ T6063] veth0_vlan: entered promiscuous mode
[ 148.634486][ T6063] veth1_vlan: entered promiscuous mode
[ 148.663844][ T6063] veth0_macvtap: entered promiscuous mode
[ 148.673264][ T6063] veth1_macvtap: entered promiscuous mode
[ 148.691317][ T6063] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 148.703531][ T6063] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 149.617813][ T5845] Bluetooth: hci1: command tx timeout
[ 150.827897][ T2246] block nbd0: Possible stuck request ffff888026d97000: control (read@0,4096B). Runtime 60 seconds
[ 151.697177][ T5845] Bluetooth: hci1: command tx timeout
[ 151.773607][ T5211] udevd[5211]: worker [6014] /devices/virtual/block/nbd0 is taking a long time
[ 153.777803][ T5845] Bluetooth: hci1: command tx timeout
[ 155.857131][ T5845] Bluetooth: hci1: command tx timeout
[ 180.901065][ T2246] block nbd0: Possible stuck request ffff888026d97000: control (read@0,4096B). Runtime 90 seconds
[ 194.339225][ T1315] ieee802154 phy0 wpan0: encryption failed: -22
[ 194.345542][ T1315] ieee802154 phy1 wpan1: encryption failed: -22
2026/04/07 04:22:47 executed programs: 2
[ 205.877687][ T51] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1
[ 205.885588][ T51] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9
[ 205.893467][ T51] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9
[ 205.901624][ T51] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4
[ 205.910006][ T51] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2
[ 206.029240][ T6099] chnl_net:caif_netlink_parms(): no params data found
[ 206.091379][ T6099] bridge0: port 1(bridge_slave_0) entered blocking state
[ 206.098957][ T6099] bridge0: port 1(bridge_slave_0) entered disabled state
[ 206.106143][ T6099] bridge_slave_0: entered allmulticast mode
[ 206.114680][ T6099] bridge_slave_0: entered promiscuous mode
[ 206.122773][ T6099] bridge0: port 2(bridge_slave_1) entered blocking state
[ 206.130253][ T6099] bridge0: port 2(bridge_slave_1) entered disabled state
[ 206.137672][ T6099] bridge_slave_1: entered allmulticast mode
[ 206.144649][ T6099] bridge_slave_1: entered promiscuous mode
[ 206.174352][ T6099] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 206.186232][ T6099] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 206.215913][ T6099] team0: Port device team_slave_0 added
[ 206.224722][ T6099] team0: Port device team_slave_1 added
[ 206.248604][ T6099] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 206.255748][ T6099] 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.
[ 206.282152][ T6099] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 206.296666][ T6099] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 206.303824][ T6099] 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.
[ 206.330341][ T6099] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 206.364841][ T6099] hsr_slave_0: entered promiscuous mode
[ 206.371354][ T6099] hsr_slave_1: entered promiscuous mode
[ 206.377627][ T6099] debugfs: 'hsr0' already exists in 'hsr'
[ 206.383378][ T6099] Cannot create hsr debugfs directory
[ 206.481388][ T6099] bridge0: port 2(bridge_slave_1) entered blocking state
[ 206.488519][ T6099] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 206.495848][ T6099] bridge0: port 1(bridge_slave_0) entered blocking state
[ 206.503060][ T6099] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 206.549951][ T6099] 8021q: adding VLAN 0 to HW filter on device bond0
[ 206.564804][ T1030] bridge0: port 1(bridge_slave_0) entered disabled state
[ 206.572996][ T1030] bridge0: port 2(bridge_slave_1) entered disabled state
[ 206.589798][ T6099] 8021q: adding VLAN 0 to HW filter on device team0
[ 206.602001][ T172] bridge0: port 1(bridge_slave_0) entered blocking state
[ 206.609296][ T172] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 206.624040][ T1030] bridge0: port 2(bridge_slave_1) entered blocking state
[ 206.631464][ T1030] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 206.685358][ T6099] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 206.973133][ T6099] veth0_vlan: entered promiscuous mode
[ 206.984514][ T6099] veth1_vlan: entered promiscuous mode
[ 207.015386][ T6099] veth0_macvtap: entered promiscuous mode
[ 207.024647][ T6099] veth1_macvtap: entered promiscuous mode
[ 207.044378][ T6099] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 207.058375][ T6099] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 207.937770][ T51] Bluetooth: hci2: command tx timeout
[ 210.017165][ T5845] Bluetooth: hci2: command tx timeout
[ 210.977733][ T25] block nbd0: Possible stuck request ffff888026d97000: control (read@0,4096B). Runtime 120 seconds
[ 211.777322][ T5845] Bluetooth: hci0: command 0x0406 tx timeout
[ 212.107131][ T51] Bluetooth: hci2: command tx timeout
[ 214.177442][ T51] Bluetooth: hci2: command tx timeout
[ 241.057343][ T2246] block nbd0: Possible stuck request ffff888026d97000: control (read@0,4096B). Runtime 150 seconds
[ 250.022521][ T31] INFO: task syz-executor.0:6053 blocked for more than 143 seconds.
[ 250.031013][ T31] Not tainted syzkaller #0
[ 250.036435][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 250.045454][ T31] task:syz-executor.0 state:D stack:26760 pid:6053 tgid:6053 ppid:6028 task_flags:0x400040 flags:0x00080002
[ 250.057571][ T31] Call Trace:
[ 250.060878][ T31]
[ 250.063913][ T31] __schedule+0x17b4/0x5680
[ 250.068759][ T31] ? __lock_acquire+0x6b5/0x2cf0
[ 250.073774][ T31] ? __pfx___schedule+0x10/0x10
[ 250.078926][ T31] ? schedule+0x90/0x360
[ 250.083290][ T31] schedule+0x164/0x360
[ 250.087610][ T31] schedule_preempt_disabled+0x13/0x30
[ 250.093231][ T31] __mutex_lock+0x7f5/0x1550
[ 250.098041][ T31] ? __mutex_lock+0x606/0x1550
[ 250.103030][ T31] ? bdev_release+0x1a9/0x650
[ 250.107790][ T31] ? __pfx___mutex_lock+0x10/0x10
[ 250.112835][ T31] ? __asan_memset+0x22/0x50
[ 250.117709][ T31] ? __fsnotify_parent+0x267/0x620
[ 250.123037][ T31] ? __pfx___fsnotify_parent+0x10/0x10
[ 250.128662][ T31] ? locks_remove_posix+0x432/0x6a0
[ 250.134085][ T31] bdev_release+0x1a9/0x650
[ 250.138824][ T31] ? __pfx_blkdev_release+0x10/0x10
[ 250.144326][ T31] blkdev_release+0x15/0x20
[ 250.148912][ T31] __fput+0x44f/0xa60
[ 250.153010][ T31] fput_close_sync+0x11f/0x240
[ 250.157934][ T31] ? __pfx_fput_close_sync+0x10/0x10
[ 250.163361][ T31] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 250.169665][ T31] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 250.175774][ T31] __x64_sys_close+0x7e/0x110
[ 250.180713][ T31] do_syscall_64+0x15f/0xf80
[ 250.185335][ T31] ? trace_irq_disable+0x3b/0x140
[ 250.190504][ T31] ? clear_bhb_loop+0x40/0x90
[ 250.195412][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 250.201618][ T31] RIP: 0033:0x7f1bb1e8cd5e
[ 250.206314][ T31] RSP: 002b:00007ffe13099008 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[ 250.214988][ T31] RAX: ffffffffffffffda RBX: 000055558951d4c0 RCX: 00007f1bb1e8cd5e
[ 250.223685][ T31] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
[ 250.231831][ T31] RBP: 00007f1bb1f8d980 R08: 0000000000000000 R09: 0000000000000000
[ 250.240154][ T31] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000016468
[ 250.248380][ T31] R13: 0000000000016185 R14: 00007ffe130991e0 R15: 00007f1bb2390000
[ 250.256570][ T31]
[ 250.259786][ T31] INFO: task syz-executor.0:6054 blocked for more than 143 seconds.
[ 250.267885][ T31] Not tainted syzkaller #0
[ 250.273008][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 250.281823][ T31] task:syz-executor.0 state:D stack:26624 pid:6054 tgid:6053 ppid:6028 task_flags:0x400140 flags:0x00080802
[ 250.293910][ T31] Call Trace:
[ 250.297397][ T31]
[ 250.300511][ T31] __schedule+0x17b4/0x5680
[ 250.305143][ T31] ? __lock_acquire+0x6b5/0x2cf0
[ 250.310183][ T31] ? __pfx___schedule+0x10/0x10
[ 250.315073][ T31] ? schedule+0x90/0x360
[ 250.319402][ T31] schedule+0x164/0x360
[ 250.323630][ T31] schedule_preempt_disabled+0x13/0x30
[ 250.329175][ T31] __mutex_lock+0x7f5/0x1550
[ 250.333830][ T31] ? kasan_save_stack+0x3e/0x60
[ 250.338862][ T31] ? __mutex_lock+0x606/0x1550
[ 250.343682][ T31] ? bdev_release+0x1a9/0x650
[ 250.348538][ T31] ? __pfx___mutex_lock+0x10/0x10
[ 250.353684][ T31] ? __asan_memset+0x22/0x50
[ 250.358376][ T31] ? __fsnotify_parent+0x267/0x620
[ 250.363619][ T31] ? __pfx___fsnotify_parent+0x10/0x10
[ 250.369225][ T31] bdev_release+0x1a9/0x650
[ 250.373759][ T31] ? __pfx_blkdev_release+0x10/0x10
[ 250.379034][ T31] blkdev_release+0x15/0x20
[ 250.383710][ T31] __fput+0x44f/0xa60
[ 250.387782][ T31] task_work_run+0x1d9/0x270
[ 250.392491][ T31] ? __pfx_task_work_run+0x10/0x10
[ 250.397846][ T31] ? __fput_deferred+0x216/0x380
[ 250.403375][ T31] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 250.409710][ T31] exit_to_user_mode_loop+0xed/0x480
[ 250.415425][ T31] ? rcu_is_watching+0x15/0xb0
[ 250.420369][ T31] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 250.426715][ T31] do_syscall_64+0x33e/0xf80
[ 250.431390][ T31] ? trace_irq_disable+0x3b/0x140
[ 250.436969][ T31] ? clear_bhb_loop+0x40/0x90
[ 250.441700][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 250.447657][ T31] RIP: 0033:0x7f1bb1e69a69
[ 250.452083][ T31] RSP: 002b:00007f1bb3064078 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 250.460599][ T31] RAX: 0000000000000000 RBX: 00007f1bb1f8bf80 RCX: 00007f1bb1e69a69
[ 250.468825][ T31] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 250.477029][ T31] RBP: 00007f1bb1edf018 R08: 0000000000000000 R09: 0000000000000000
[ 250.485009][ T31] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 250.493038][ T31] R13: 000000000000000b R14: 00007f1bb1f8bf80 R15: 00007ffe13098f88
[ 250.502151][ T31]
[ 250.505758][ T31]
[ 250.505758][ T31] Showing all locks held in the system:
[ 250.513616][ T31] 1 lock held by khungtaskd/31:
[ 250.519490][ T31] #0: ffffffff8e95cba0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
[ 250.529651][ T31] 2 locks held by getty/5594:
[ 250.534376][ T31] #0: ffff8880321f60a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 250.544390][ T31] #1: ffffc9000322b2e8 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x45c/0x13a0
[ 250.554731][ T31] 1 lock held by udevd/6014:
[ 250.559380][ T31] #0: ffff888026cd2350 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xe0/0xd30
[ 250.568802][ T31] 1 lock held by syz-executor.0/6053:
[ 250.574574][ T31] #0: ffff888026cd2350 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x1a9/0x650
[ 250.584531][ T31] 1 lock held by syz-executor.0/6054:
[ 250.590219][ T31] #0: ffff888026cd2350 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x1a9/0x650
[ 250.600099][ T31] 1 lock held by syz-executor.0/6089:
[ 250.605666][ T31] #0: ffff888026cd2350 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xe0/0xd30
[ 250.615072][ T31] 1 lock held by syz-executor.0/6090:
[ 250.620659][ T31] #0: ffff888026cd2350 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xe0/0xd30
[ 250.630144][ T31] 1 lock held by syz-executor.0/6125:
[ 250.635528][ T31] #0: ffff888026cd2350 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xe0/0xd30
[ 250.644940][ T31] 1 lock held by syz-executor.0/6126:
[ 250.650387][ T31] #0: ffff888026cd2350 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xe0/0xd30
[ 250.660067][ T31]
[ 250.662476][ T31] =============================================
[ 250.662476][ T31]
[ 250.671295][ T31] NMI backtrace for cpu 1
[ 250.671318][ T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full)
[ 250.671333][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 250.671341][ T31] Call Trace:
[ 250.671346][ T31]
[ 250.671352][ T31] dump_stack_lvl+0xe8/0x150
[ 250.671378][ T31] nmi_cpu_backtrace+0x274/0x2d0
[ 250.671394][ T31] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 250.671416][ T31] nmi_trigger_cpumask_backtrace+0x17a/0x300
[ 250.671435][ T31] sys_info+0x135/0x170
[ 250.671447][ T31] watchdog+0xfd3/0x1030
[ 250.671472][ T31] ? watchdog+0x1c9/0x1030
[ 250.671489][ T31] kthread+0x388/0x470
[ 250.671506][ T31] ? __pfx_watchdog+0x10/0x10
[ 250.671520][ T31] ? __pfx_kthread+0x10/0x10
[ 250.671538][ T31] ret_from_fork+0x514/0xb70
[ 250.671562][ T31] ? __pfx_ret_from_fork+0x10/0x10
[ 250.671581][ T31] ? __switch_to+0xc79/0x1410
[ 250.671602][ T31] ? __pfx_kthread+0x10/0x10
[ 250.671619][ T31] ret_from_fork_asm+0x1a/0x30
[ 250.671649][ T31]
[ 250.671655][ T31] Sending NMI from CPU 1 to CPUs 0:
[ 250.783862][ C0] NMI backtrace for cpu 0
[ 250.783878][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full)
[ 250.783896][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 250.783905][ C0] RIP: 0010:pv_native_safe_halt+0xf/0x20
[ 250.783933][ C0] Code: 6c 78 02 c3 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 c3 c1 19 00 fb f4 fc f3 02 00 cc cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90
[ 250.783945][ C0] RSP: 0018:ffffffff8e607dc0 EFLAGS: 00000242
[ 250.783960][ C0] RAX: 000000000012abe3 RBX: ffffffff819a863a RCX: 0000000080000001
[ 250.783971][ C0] RDX: 0000000000000001 RSI: ffffffff8dfc37e7 RDI: ffffffff8c287660
[ 250.783982][ C0] RBP: ffffffff8e607eb0 R08: ffff8880b86339db R09: 1ffff110170c673b
[ 250.783993][ C0] R10: dffffc0000000000 R11: ffffed10170c673c R12: 0000000000000000
[ 250.784003][ C0] R13: 1ffffffff1cd25d8 R14: 0000000000000000 R15: 1ffffffff1cd25d8
[ 250.784014][ C0] FS: 0000000000000000(0000) GS:ffff888125256000(0000) knlGS:0000000000000000
[ 250.784026][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 250.784037][ C0] CR2: 000055edcbda1660 CR3: 000000000e74a000 CR4: 00000000003526f0
[ 250.784051][ C0] Call Trace:
[ 250.784058][ C0]
[ 250.784064][ C0] default_idle+0x9/0x20
[ 250.784079][ C0] default_idle_call+0x72/0xb0
[ 250.784094][ C0] do_idle+0x36a/0x5f0
[ 250.784117][ C0] ? lock_acquire+0x106/0x350
[ 250.784138][ C0] ? __pfx_do_idle+0x10/0x10
[ 250.784163][ C0] cpu_startup_entry+0x43/0x60
[ 250.784184][ C0] rest_init+0x2de/0x300
[ 250.784201][ C0] start_kernel+0x38a/0x3e0
[ 250.784233][ C0] x86_64_start_reservations+0x24/0x30
[ 250.784254][ C0] x86_64_start_kernel+0x143/0x1c0
[ 250.784274][ C0] common_startup_64+0x13e/0x147
[ 250.784298][ C0]
[ 250.967435][ T31] Kernel panic - not syncing: hung_task: blocked tasks
[ 250.974302][ T31] CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full)
[ 250.983414][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 250.993613][ T31] Call Trace:
[ 250.997020][ T31]
[ 250.999946][ T31] vpanic+0x56c/0xa60
[ 251.003937][ T31] ? __pfx___schedule+0x10/0x10
[ 251.008807][ T31] ? __pfx_vpanic+0x10/0x10
[ 251.013443][ T31] ? nmi_trigger_cpumask_backtrace+0x1f4/0x300
[ 251.019723][ T31] panic+0xc5/0xd0
[ 251.023871][ T31] ? __pfx_panic+0x10/0x10
[ 251.028696][ T31] ? preempt_schedule_thunk+0x16/0x30
[ 251.034127][ T31] ? nmi_trigger_cpumask_backtrace+0x2bb/0x300
[ 251.040296][ T31] watchdog+0x102c/0x1030
[ 251.044800][ T31] ? watchdog+0x1c9/0x1030
[ 251.049415][ T31] kthread+0x388/0x470
[ 251.053605][ T31] ? __pfx_watchdog+0x10/0x10
[ 251.058300][ T31] ? __pfx_kthread+0x10/0x10
[ 251.062998][ T31] ret_from_fork+0x514/0xb70
[ 251.067772][ T31] ? __pfx_ret_from_fork+0x10/0x10
[ 251.073081][ T31] ? __switch_to+0xc79/0x1410
[ 251.077791][ T31] ? __pfx_kthread+0x10/0x10
[ 251.082378][ T31] ret_from_fork_asm+0x1a/0x30
[ 251.087224][ T31]
[ 251.091047][ T31] Kernel Offset: disabled
[ 251.095392][ T31] Rebooting in 86400 seconds..