Warning: Permanently added '10.128.0.148' (ED25519) to the list of known hosts.
2026/11/04 10:28:24 ignoring optional flag "type"="gce"
2026/11/04 10:28:24 parsed 1 programs
2026/11/04 10:28:24 executed programs: 0
[ 96.457838][ T4915] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 96.470809][ T4915] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 96.473521][ T4915] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 96.474513][ T4915] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 96.475158][ T4915] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 97.169610][ T5767] bridge0: port 1(bridge_slave_0) entered blocking state
[ 97.169732][ T5767] bridge0: port 1(bridge_slave_0) entered disabled state
[ 97.169837][ T5767] bridge_slave_0: entered allmulticast mode
[ 97.171181][ T5767] bridge_slave_0: entered promiscuous mode
[ 97.173355][ T5767] bridge0: port 2(bridge_slave_1) entered blocking state
[ 97.173461][ T5767] bridge0: port 2(bridge_slave_1) entered disabled state
[ 97.173546][ T5767] bridge_slave_1: entered allmulticast mode
[ 97.174782][ T5767] bridge_slave_1: entered promiscuous mode
[ 97.313855][ T5767] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 97.316342][ T5767] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 97.454069][ T5767] team0: Port device team_slave_0 added
[ 97.456296][ T5767] team0: Port device team_slave_1 added
[ 97.580708][ T5767] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 97.580726][ T5767] 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.
[ 97.580742][ T5767] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 97.582273][ T5767] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 97.582286][ T5767] 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.
[ 97.582305][ T5767] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 97.774721][ T5767] hsr_slave_0: entered promiscuous mode
[ 97.775497][ T5767] hsr_slave_1: entered promiscuous mode
[ 98.548284][ T4915] Bluetooth: hci0: command tx timeout
[ 99.741470][ T5767] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 99.782617][ T5767] 8021q: adding VLAN 0 to HW filter on device netdevsim0
[ 99.785329][ T5767] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 99.849028][ T5767] 8021q: adding VLAN 0 to HW filter on device netdevsim1
[ 99.850781][ T5767] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 99.892064][ T5767] 8021q: adding VLAN 0 to HW filter on device netdevsim2
[ 99.893669][ T5767] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 99.935674][ T5767] 8021q: adding VLAN 0 to HW filter on device netdevsim3
[ 100.092015][ T5767] 8021q: adding VLAN 0 to HW filter on device bond0
[ 100.127507][ T5767] 8021q: adding VLAN 0 to HW filter on device team0
[ 100.160769][ T58] bridge0: port 1(bridge_slave_0) entered blocking state
[ 100.160905][ T58] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 100.187796][ T70] bridge0: port 2(bridge_slave_1) entered blocking state
[ 100.187940][ T70] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 100.628446][ T4915] Bluetooth: hci0: command tx timeout
[ 100.859903][ T5767] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 100.965547][ T5767] veth0_vlan: entered promiscuous mode
[ 101.000828][ T5767] veth1_vlan: entered promiscuous mode
[ 101.072541][ T5767] veth0_macvtap: entered promiscuous mode
[ 101.095438][ T5767] veth1_macvtap: entered promiscuous mode
[ 101.137641][ T5767] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 101.159290][ T5767] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 101.380725][ T48] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 101.552603][ T2966] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 101.552652][ T2966] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 101.552685][ T2966] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 101.724164][ T5903] nbd0: detected capacity change from 0 to 258
[ 102.526231][ T4915] block nbd0: Receive control failed (result -104)
[ 102.709111][ T4915] Bluetooth: hci0: command tx timeout
[ 104.788195][ T4915] Bluetooth: hci0: command tx timeout
[ 131.790285][ T75] block nbd0: Possible stuck request ffff888021770000: control (read@0,4096B). Runtime 30 seconds
[ 133.033747][ T1338] ieee802154 phy0 wpan0: encryption failed: -22
[ 133.033812][ T1338] ieee802154 phy1 wpan1: encryption failed: -22
2026/11/04 10:29:25 executed programs: 1
[ 157.744203][ T61] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1
[ 157.746403][ T61] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9
[ 157.747147][ T61] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9
[ 157.753273][ T61] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4
[ 157.753960][ T61] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2
[ 158.439658][ T5932] bridge0: port 1(bridge_slave_0) entered blocking state
[ 158.439775][ T5932] bridge0: port 1(bridge_slave_0) entered disabled state
[ 158.440073][ T5932] bridge_slave_0: entered allmulticast mode
[ 158.443718][ T5932] bridge_slave_0: entered promiscuous mode
[ 158.445819][ T5932] bridge0: port 2(bridge_slave_1) entered blocking state
[ 158.445920][ T5932] bridge0: port 2(bridge_slave_1) entered disabled state
[ 158.446196][ T5932] bridge_slave_1: entered allmulticast mode
[ 158.447444][ T5932] bridge_slave_1: entered promiscuous mode
[ 158.591812][ T5932] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 158.594499][ T5932] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 158.731194][ T5932] team0: Port device team_slave_0 added
[ 158.733950][ T5932] team0: Port device team_slave_1 added
[ 158.870006][ T5932] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 158.870024][ T5932] 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.
[ 158.870038][ T5932] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 158.871492][ T5932] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 158.871505][ T5932] 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.
[ 158.871525][ T5932] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 159.034830][ T5932] hsr_slave_0: entered promiscuous mode
[ 159.035585][ T5932] hsr_slave_1: entered promiscuous mode
[ 159.036237][ T5932] debugfs: 'hsr0' already exists in 'hsr'
[ 159.036261][ T5932] Cannot create hsr debugfs directory
[ 159.680737][ T5932] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 159.828217][ T4915] Bluetooth: hci1: command tx timeout
[ 159.893617][ T5932] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 160.112767][ T5932] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 160.350869][ T5932] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 160.613364][ T5932] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 160.651212][ T5932] 8021q: adding VLAN 0 to HW filter on device netdevsim0
[ 160.652117][ T5932] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 160.672456][ T5932] 8021q: adding VLAN 0 to HW filter on device netdevsim1
[ 160.673425][ T5932] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 160.716194][ T5932] 8021q: adding VLAN 0 to HW filter on device netdevsim2
[ 160.717816][ T5932] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 160.763209][ T5932] 8021q: adding VLAN 0 to HW filter on device netdevsim3
[ 160.837900][ T5932] 8021q: adding VLAN 0 to HW filter on device bond0
[ 160.861371][ T5932] 8021q: adding VLAN 0 to HW filter on device team0
[ 160.870809][ T58] bridge0: port 1(bridge_slave_0) entered blocking state
[ 160.870997][ T58] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 160.903260][ T58] bridge0: port 2(bridge_slave_1) entered blocking state
[ 160.903384][ T58] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 161.263162][ T5932] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 161.326886][ T5932] veth0_vlan: entered promiscuous mode
[ 161.346096][ T5932] veth1_vlan: entered promiscuous mode
[ 161.375519][ T5932] veth0_macvtap: entered promiscuous mode
[ 161.387203][ T5932] veth1_macvtap: entered promiscuous mode
[ 161.414504][ T5932] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 161.427325][ T5932] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 161.653134][ T58] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 161.672073][ T70] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 161.674683][ T58] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 161.675090][ T58] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 161.868218][ T75] block nbd0: Possible stuck request ffff888021770000: control (read@0,4096B). Runtime 60 seconds
[ 161.908285][ T4915] Bluetooth: hci1: command tx timeout
[ 163.988113][ T4915] Bluetooth: hci1: command tx timeout
[ 164.791731][ T4965] udevd[4965]: worker [5768] /devices/virtual/block/nbd0 is taking a long time
[ 166.068215][ T4915] Bluetooth: hci1: command tx timeout
[ 191.958233][ T75] block nbd0: Possible stuck request ffff888021770000: control (read@0,4096B). Runtime 90 seconds
[ 194.471599][ T1338] ieee802154 phy0 wpan0: encryption failed: -22
[ 194.471651][ T1338] ieee802154 phy1 wpan1: encryption failed: -22
2026/11/04 10:30:25 executed programs: 2
[ 217.818474][ T61] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1
[ 217.837799][ T61] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9
[ 217.841308][ T61] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9
[ 217.842468][ T61] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4
[ 217.843139][ T61] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2
[ 218.529610][ T5976] bridge0: port 1(bridge_slave_0) entered blocking state
[ 218.529720][ T5976] bridge0: port 1(bridge_slave_0) entered disabled state
[ 218.529828][ T5976] bridge_slave_0: entered allmulticast mode
[ 218.531133][ T5976] bridge_slave_0: entered promiscuous mode
[ 218.533065][ T5976] bridge0: port 2(bridge_slave_1) entered blocking state
[ 218.533190][ T5976] bridge0: port 2(bridge_slave_1) entered disabled state
[ 218.533285][ T5976] bridge_slave_1: entered allmulticast mode
[ 218.534559][ T5976] bridge_slave_1: entered promiscuous mode
[ 218.653554][ T5976] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 218.657108][ T5976] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 218.792139][ T5976] team0: Port device team_slave_0 added
[ 218.794152][ T5976] team0: Port device team_slave_1 added
[ 218.929878][ T5976] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 218.929895][ T5976] 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.
[ 218.929909][ T5976] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 218.931193][ T5976] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 218.931207][ T5976] 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.
[ 218.931224][ T5976] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 219.113937][ T5976] hsr_slave_0: entered promiscuous mode
[ 219.114656][ T5976] hsr_slave_1: entered promiscuous mode
[ 219.115162][ T5976] debugfs: 'hsr0' already exists in 'hsr'
[ 219.115179][ T5976] Cannot create hsr debugfs directory
[ 219.703247][ T5976] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 219.908201][ T4915] Bluetooth: hci2: command tx timeout
[ 219.925757][ T5976] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 220.163416][ T5976] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 220.377080][ T5976] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 220.655298][ T5976] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 220.691433][ T5976] 8021q: adding VLAN 0 to HW filter on device netdevsim0
[ 220.692428][ T5976] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 220.712362][ T5976] 8021q: adding VLAN 0 to HW filter on device netdevsim1
[ 220.721496][ T5976] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 220.752340][ T5976] 8021q: adding VLAN 0 to HW filter on device netdevsim2
[ 220.753255][ T5976] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 220.804431][ T5976] 8021q: adding VLAN 0 to HW filter on device netdevsim3
[ 220.886312][ T5976] 8021q: adding VLAN 0 to HW filter on device bond0
[ 220.906667][ T5976] 8021q: adding VLAN 0 to HW filter on device team0
[ 220.924153][ T70] bridge0: port 1(bridge_slave_0) entered blocking state
[ 220.924289][ T70] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 220.925777][ T70] bridge0: port 2(bridge_slave_1) entered blocking state
[ 220.925848][ T70] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 221.303859][ T5976] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 221.349127][ T5976] veth0_vlan: entered promiscuous mode
[ 221.357658][ T5976] veth1_vlan: entered promiscuous mode
[ 221.404574][ T5976] veth0_macvtap: entered promiscuous mode
[ 221.416246][ T5976] veth1_macvtap: entered promiscuous mode
[ 221.443480][ T5976] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 221.456572][ T5976] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 221.569854][ T48] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 221.570329][ T48] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 221.634196][ T2966] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 221.638735][ T2966] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 221.988914][ T4915] Bluetooth: hci2: command tx timeout
[ 222.028154][ T75] block nbd0: Possible stuck request ffff888021770000: control (read@0,4096B). Runtime 120 seconds
[ 222.150955][ T4915] Bluetooth: hci0: command 0x0406 tx timeout
[ 224.068179][ T61] Bluetooth: hci2: command tx timeout
[ 226.149083][ T61] Bluetooth: hci2: command tx timeout
[ 252.118193][ T75] block nbd0: Possible stuck request ffff888021770000: control (read@0,4096B). Runtime 150 seconds
[ 255.911700][ T1338] ieee802154 phy0 wpan0: encryption failed: -22
[ 255.911745][ T1338] ieee802154 phy1 wpan1: encryption failed: -22
[ 262.308324][ T37] INFO: task syz-executor.0:5903 blocked for more than 143 seconds.
[ 262.308359][ T37] Not tainted syzkaller #0
[ 262.308369][ T37] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 262.308377][ T37] task:syz-executor.0 state:D stack:28296 pid:5903 tgid:5902 ppid:5767 task_flags:0x400140 flags:0x00080803
[ 262.308431][ T37] Call Trace:
[ 262.308435][ T37]
[ 262.308444][ T37] __schedule+0x171d/0x56f0
[ 262.308470][ T37] ? __lock_acquire+0x747/0x2de0
[ 262.308498][ T37] ? trace_irq_disable+0x3b/0x140
[ 262.308512][ T37] ? __pfx___schedule+0x10/0x10
[ 262.308530][ T37] rt_mutex_schedule+0x76/0xf0
[ 262.308549][ T37] rt_mutex_slowlock_block+0x540/0x6a0
[ 262.308569][ T37] ? rt_mutex_slowlock_block+0x33f/0x6a0
[ 262.308586][ T37] rt_mutex_slowlock+0x2d4/0x780
[ 262.308602][ T37] ? rt_mutex_slowlock+0x1f2/0x780
[ 262.308618][ T37] ? __pfx_rt_mutex_slowlock+0x10/0x10
[ 262.308632][ T37] ? is_bpf_text_address+0x26/0x2b0
[ 262.308660][ T37] ? bdev_release+0x1be/0x690
[ 262.308672][ T37] mutex_lock_nested+0x163/0x1d0
[ 262.308687][ T37] ? __pfx___fsnotify_parent+0x10/0x10
[ 262.308702][ T37] bdev_release+0x1be/0x690
[ 262.308719][ T37] ? __pfx_blkdev_release+0x10/0x10
[ 262.308732][ T37] blkdev_release+0x15/0x20
[ 262.308748][ T37] __fput+0x41a/0xa70
[ 262.308770][ T37] task_work_run+0x1d9/0x260
[ 262.308786][ T37] ? __pfx_task_work_run+0x10/0x10
[ 262.308806][ T37] get_signal+0x12d1/0x1430
[ 262.308831][ T37] arch_do_signal_or_restart+0xbb/0x860
[ 262.308843][ T37] ? __pfx_task_work_add+0x10/0x10
[ 262.308856][ T37] ? __pfx_arch_do_signal_or_restart+0x10/0x10
[ 262.308871][ T37] ? __fput_deferred+0x253/0x3e0
[ 262.308889][ T37] exit_to_user_mode_loop+0x10e/0x770
[ 262.308901][ T37] ? rcu_is_watching+0x16/0xb0
[ 262.308915][ T37] do_syscall_64+0x328/0x520
[ 262.308927][ T37] ? trace_irq_disable+0x3b/0x140
[ 262.308937][ T37] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 262.308948][ T37] ? clear_bhb_loop+0x70/0xc0
[ 262.308961][ T37] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 262.308972][ T37] RIP: 0033:0x7f1e1b72c1a9
[ 262.308990][ T37] RSP: 002b:00007f1e1aabe078 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 262.309000][ T37] RAX: 0000000000000000 RBX: 00007f1e1b86bf80 RCX: 00007f1e1b72c1a9
[ 262.309008][ T37] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 262.309014][ T37] RBP: 00007f1e1b7a1978 R08: 0000000000000000 R09: 0000000000000000
[ 262.309020][ T37] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 262.309026][ T37] R13: 000000000000000b R14: 00007f1e1b86bf80 R15: 00007ffcfe51f8f8
[ 262.309051][ T37]
[ 262.309068][ T37]
[ 262.309068][ T37] Showing all locks held in the system:
[ 262.309075][ T37] locks held by khungtaskd/37: 1, last CPU#0:
[ 262.309084][ T37] #0: ffffffff8f3c15c0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
[ 262.309132][ T37] locks held by getty/5352: 2, on CPU#0:
[ 262.309140][ T37] #0: ffff8880378cc0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 262.309168][ T37] #1: ffffc900044eb2e0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x460/0x1360
[ 262.309196][ T37] locks held by udevd/5768: 1, on CPU#1:
[ 262.309203][ T37] #0: ffff888028f1c4c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xde/0xd00
[ 262.309229][ T37] locks held by syz-executor.0/5903: 1, on CPU#0:
[ 262.309236][ T37] #0: ffff888028f1c4c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x1be/0x690
[ 262.309262][ T37] locks held by syz-executor.0/5967: 1, on CPU#0:
[ 262.309269][ T37] #0: ffff888028f1c4c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xde/0xd00
[ 262.309294][ T37] locks held by syz-executor.0/6012: 1, on CPU#0:
[ 262.309301][ T37] #0: ffff888028f1c4c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xde/0xd00
[ 262.309325][ T37]
[ 262.309328][ T37] =============================================
[ 262.309328][ T37]
[ 262.309336][ T37] NMI backtrace for cpu 0
[ 262.309351][ T37] CPU: 0 UID: 0 PID: 37 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 262.309377][ T37] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026
[ 262.309389][ T37] Call Trace:
[ 262.309397][ T37]
[ 262.309405][ T37] dump_stack_lvl+0xe8/0x150
[ 262.309442][ T37] nmi_cpu_backtrace+0x274/0x2d0
[ 262.309476][ T37] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 262.309506][ T37] nmi_trigger_cpumask_backtrace+0x17d/0x390
[ 262.309540][ T37] sys_info+0x135/0x170
[ 262.309561][ T37] watchdog+0x1073/0x10f0
[ 262.309578][ T37] ? watchdog+0x209/0x10f0
[ 262.309599][ T37] kthread+0x38b/0x470
[ 262.309620][ T37] ? __pfx_watchdog+0x10/0x10
[ 262.309630][ T37] ? __pfx_kthread+0x10/0x10
[ 262.309643][ T37] ret_from_fork+0x514/0xb70
[ 262.309656][ T37] ? __pfx_ret_from_fork+0x10/0x10
[ 262.309667][ T37] ? __switch_to+0xc78/0x1410
[ 262.309678][ T37] ? __pfx_kthread+0x10/0x10
[ 262.309690][ T37] ret_from_fork_asm+0x1a/0x30
[ 262.309709][ T37]
[ 262.309728][ T37] Sending NMI from CPU 0 to CPUs 1:
[ 262.309761][ C1] NMI backtrace for cpu 1
[ 262.309780][ C1] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 262.309799][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026
[ 262.309808][ C1] RIP: 0010:pv_native_safe_halt+0xf/0x20
[ 262.309829][ C1] Code: 2b 67 02 e9 c3 e6 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 43 24 15 00 fb f4 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90
[ 262.309843][ C1] RSP: 0018:ffffc900001c7e40 EFLAGS: 00000242
[ 262.309858][ C1] RAX: 000000000006e6ef RBX: ffffffff819b6800 RCX: 8000000000000001
[ 262.309870][ C1] RDX: 0000000000000001 RSI: ffffffff8dafc1e9 RDI: ffffffff8bed2a80
[ 262.309882][ C1] RBP: ffffc900001c7f10 R08: ffff8880b85341db R09: 1ffff110170a683b
[ 262.309895][ C1] R10: dffffc0000000000 R11: ffffed10170a683c R12: 0000000000000000
[ 262.309907][ C1] R13: 1ffff11003bde3e8 R14: 1ffff92000038fd0 R15: dffffc0000000000
[ 262.309920][ C1] FS: 0000000000000000(0000) GS:ffff888124815000(0000) knlGS:0000000000000000
[ 262.309933][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 262.309945][ C1] CR2: 0000561aa11f9168 CR3: 000000002b56e000 CR4: 00000000003526f0
[ 262.309960][ C1] Call Trace:
[ 262.309966][ C1]
[ 262.309972][ C1] default_idle+0x9/0x20
[ 262.309993][ C1] default_idle_call+0x72/0xb0
[ 262.310015][ C1] do_idle+0x2e0/0x540
[ 262.310031][ C1] ? __pfx_do_idle+0x10/0x10
[ 262.310062][ C1] cpu_startup_entry+0x43/0x60
[ 262.310077][ C1] start_secondary+0x101/0x110
[ 262.310096][ C1] common_startup_64+0x13e/0x157
[ 262.310130][ C1]
[ 262.310778][ T37] Kernel panic - not syncing: hung_task: blocked tasks
[ 262.965932][ T37] CPU: 0 UID: 0 PID: 37 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 262.975551][ T37] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026
[ 262.985605][ T37] Call Trace:
[ 262.988933][ T37]
[ 262.991868][ T37] vpanic+0x26f/0x710
[ 262.995959][ T37] panic+0xc5/0xd0
[ 262.999683][ T37] ? __pfx_panic+0x10/0x10
[ 263.004083][ T37] ? preempt_schedule_common+0x7f/0xd0
[ 263.009526][ T37] ? preempt_schedule_thunk+0x16/0x40
[ 263.014890][ T37] ? nmi_trigger_cpumask_backtrace+0x31a/0x390
[ 263.021064][ T37] ? nmi_trigger_cpumask_backtrace+0x31f/0x390
[ 263.027226][ T37] watchdog+0x10e7/0x10f0
[ 263.031558][ T37] ? watchdog+0x209/0x10f0
[ 263.036055][ T37] kthread+0x38b/0x470
[ 263.040307][ T37] ? __pfx_watchdog+0x10/0x10
[ 263.045006][ T37] ? __pfx_kthread+0x10/0x10
[ 263.049592][ T37] ret_from_fork+0x514/0xb70
[ 263.054194][ T37] ? __pfx_ret_from_fork+0x10/0x10
[ 263.059401][ T37] ? __switch_to+0xc78/0x1410
[ 263.064095][ T37] ? __pfx_kthread+0x10/0x10
[ 263.068695][ T37] ret_from_fork_asm+0x1a/0x30
[ 263.073475][ T37]
[ 263.076833][ T37] Kernel Offset: disabled
[ 263.081150][ T37] Rebooting in 86400 seconds..