Warning: Permanently added '10.128.0.243' (ED25519) to the list of known hosts.
2025/10/03 08:29:53 ignoring optional flag "type"="gce"
2025/10/03 08:29:53 parsed 1 programs
2025/10/03 08:29:53 executed programs: 0
[ 99.420836][ T60] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 99.423167][ T60] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 99.446990][ T60] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 99.449703][ T60] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 99.451242][ T60] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 99.792535][ T5986] chnl_net:caif_netlink_parms(): no params data found
[ 100.154861][ T5986] bridge0: port 1(bridge_slave_0) entered blocking state
[ 100.154995][ T5986] bridge0: port 1(bridge_slave_0) entered disabled state
[ 100.155101][ T5986] bridge_slave_0: entered allmulticast mode
[ 100.156602][ T5986] bridge_slave_0: entered promiscuous mode
[ 100.159839][ T5986] bridge0: port 2(bridge_slave_1) entered blocking state
[ 100.159961][ T5986] bridge0: port 2(bridge_slave_1) entered disabled state
[ 100.160058][ T5986] bridge_slave_1: entered allmulticast mode
[ 100.161458][ T5986] bridge_slave_1: entered promiscuous mode
[ 100.387300][ T5986] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 100.390476][ T5986] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 100.546015][ T5986] team0: Port device team_slave_0 added
[ 100.548322][ T5986] team0: Port device team_slave_1 added
[ 100.685148][ T5986] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 100.685164][ T5986] 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.
[ 100.685186][ T5986] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 100.686891][ T5986] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 100.686903][ T5986] 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.
[ 100.686925][ T5986] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 101.089991][ T5986] hsr_slave_0: entered promiscuous mode
[ 101.090776][ T5986] hsr_slave_1: entered promiscuous mode
[ 101.523407][ T60] Bluetooth: hci0: command tx timeout
[ 102.616739][ T5986] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 102.668168][ T5986] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 102.698574][ T5986] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 102.739033][ T5986] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 102.906748][ T5986] 8021q: adding VLAN 0 to HW filter on device bond0
[ 102.935555][ T5986] 8021q: adding VLAN 0 to HW filter on device team0
[ 102.952720][ T1397] bridge0: port 1(bridge_slave_0) entered blocking state
[ 102.952910][ T1397] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 102.980187][ T1397] bridge0: port 2(bridge_slave_1) entered blocking state
[ 102.981026][ T1397] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 103.308282][ T5986] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 103.374398][ T5986] veth0_vlan: entered promiscuous mode
[ 103.398152][ T5986] veth1_vlan: entered promiscuous mode
[ 103.449793][ T5986] veth0_macvtap: entered promiscuous mode
[ 103.467414][ T5986] veth1_macvtap: entered promiscuous mode
[ 103.492998][ T5986] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 103.506712][ T5986] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 103.566083][ T4670] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 103.572918][ T4670] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 103.583586][ T4670] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 103.603372][ T60] Bluetooth: hci0: command tx timeout
[ 103.621008][ T4670] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 103.914657][ T6090] nbd0: detected capacity change from 0 to 485291868
[ 104.596427][ T60] block nbd0: Receive control failed (result -104)
[ 105.683350][ T60] Bluetooth: hci0: command tx timeout
[ 107.763426][ T60] Bluetooth: hci0: command tx timeout
[ 132.887919][ T1316] ieee802154 phy0 wpan0: encryption failed: -22
[ 132.888034][ T1316] ieee802154 phy1 wpan1: encryption failed: -22
[ 134.203531][ T32] block nbd0: Possible stuck request ffff88802478e000: control (read@0,4096B). Runtime 30 seconds
2025/10/03 08:30:53 executed programs: 1
[ 159.802144][ T5128] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1
[ 159.806337][ T5128] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9
[ 159.807454][ T5128] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9
[ 159.808504][ T5128] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4
[ 159.809186][ T5128] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2
[ 160.017621][ T6202] chnl_net:caif_netlink_parms(): no params data found
[ 160.274746][ T6202] bridge0: port 1(bridge_slave_0) entered blocking state
[ 160.274894][ T6202] bridge0: port 1(bridge_slave_0) entered disabled state
[ 160.275006][ T6202] bridge_slave_0: entered allmulticast mode
[ 160.276551][ T6202] bridge_slave_0: entered promiscuous mode
[ 160.278802][ T6202] bridge0: port 2(bridge_slave_1) entered blocking state
[ 160.278920][ T6202] bridge0: port 2(bridge_slave_1) entered disabled state
[ 160.279202][ T6202] bridge_slave_1: entered allmulticast mode
[ 160.280632][ T6202] bridge_slave_1: entered promiscuous mode
[ 160.457458][ T6202] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 160.460271][ T6202] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 160.606022][ T6202] team0: Port device team_slave_0 added
[ 160.608376][ T6202] team0: Port device team_slave_1 added
[ 160.745156][ T6202] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 160.745172][ T6202] 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.
[ 160.745193][ T6202] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 160.746543][ T6202] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 160.746554][ T6202] 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.
[ 160.746575][ T6202] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 160.971829][ T6202] hsr_slave_0: entered promiscuous mode
[ 160.972604][ T6202] hsr_slave_1: entered promiscuous mode
[ 160.974932][ T6202] debugfs: 'hsr0' already exists in 'hsr'
[ 160.975038][ T6202] Cannot create hsr debugfs directory
[ 161.598177][ T6202] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 161.844419][ T60] Bluetooth: hci1: command tx timeout
[ 161.846727][ T6202] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 162.056376][ T6202] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 162.249815][ T6202] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 162.502906][ T6202] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 162.536802][ T6202] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 162.576870][ T6202] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 162.616819][ T6202] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 162.726051][ T6202] 8021q: adding VLAN 0 to HW filter on device bond0
[ 162.742719][ T6202] 8021q: adding VLAN 0 to HW filter on device team0
[ 162.753566][ T4670] bridge0: port 1(bridge_slave_0) entered blocking state
[ 162.753744][ T4670] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 162.761815][ T13] bridge0: port 2(bridge_slave_1) entered blocking state
[ 162.762027][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 162.952487][ T6202] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 163.000622][ T6202] veth0_vlan: entered promiscuous mode
[ 163.010134][ T6202] veth1_vlan: entered promiscuous mode
[ 163.039973][ T6202] veth0_macvtap: entered promiscuous mode
[ 163.043137][ T6202] veth1_macvtap: entered promiscuous mode
[ 163.061629][ T6202] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 163.081870][ T6202] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 163.095882][ T4670] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 163.096124][ T4670] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 163.096155][ T4670] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 163.096173][ T4670] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 163.923461][ T60] Bluetooth: hci1: command tx timeout
[ 164.284455][ T32] block nbd0: Possible stuck request ffff88802478e000: control (read@0,4096B). Runtime 60 seconds
[ 166.003428][ T60] Bluetooth: hci1: command tx timeout
[ 166.311845][ T5179] udevd[5179]: worker [5933] /devices/virtual/block/nbd0 is taking a long time
[ 168.084483][ T60] Bluetooth: hci1: command tx timeout
[ 194.328264][ T1316] ieee802154 phy0 wpan0: encryption failed: -22
[ 194.328362][ T1316] ieee802154 phy1 wpan1: encryption failed: -22
[ 194.363551][ T32] block nbd0: Possible stuck request ffff88802478e000: control (read@0,4096B). Runtime 90 seconds
2025/10/03 08:31:52 executed programs: 2
[ 219.341342][ T5128] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1
[ 219.344294][ T5128] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9
[ 219.345720][ T5128] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9
[ 219.346984][ T5128] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4
[ 219.347672][ T5128] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2
[ 219.567355][ T6232] chnl_net:caif_netlink_parms(): no params data found
[ 219.834883][ T6232] bridge0: port 1(bridge_slave_0) entered blocking state
[ 219.835013][ T6232] bridge0: port 1(bridge_slave_0) entered disabled state
[ 219.835133][ T6232] bridge_slave_0: entered allmulticast mode
[ 219.836800][ T6232] bridge_slave_0: entered promiscuous mode
[ 219.839005][ T6232] bridge0: port 2(bridge_slave_1) entered blocking state
[ 219.839083][ T6232] bridge0: port 2(bridge_slave_1) entered disabled state
[ 219.839205][ T6232] bridge_slave_1: entered allmulticast mode
[ 219.840663][ T6232] bridge_slave_1: entered promiscuous mode
[ 219.988503][ T6232] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 219.991280][ T6232] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 220.156156][ T6232] team0: Port device team_slave_0 added
[ 220.158541][ T6232] team0: Port device team_slave_1 added
[ 220.295215][ T6232] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 220.295231][ T6232] 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.
[ 220.295253][ T6232] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 220.296739][ T6232] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 220.296751][ T6232] 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.
[ 220.296772][ T6232] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 220.504606][ T6232] hsr_slave_0: entered promiscuous mode
[ 220.505964][ T6232] hsr_slave_1: entered promiscuous mode
[ 220.506895][ T6232] debugfs: 'hsr0' already exists in 'hsr'
[ 220.506913][ T6232] Cannot create hsr debugfs directory
[ 221.138015][ T6232] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 221.355632][ T6232] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 221.373488][ T5128] Bluetooth: hci2: command tx timeout
[ 221.578192][ T6232] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 221.769029][ T6232] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 222.003388][ T5128] Bluetooth: hci0: command 0x0406 tx timeout
[ 222.010163][ T6232] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 222.047590][ T6232] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 222.087163][ T6232] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 222.126832][ T6232] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 222.241057][ T6232] 8021q: adding VLAN 0 to HW filter on device bond0
[ 222.260404][ T6232] 8021q: adding VLAN 0 to HW filter on device team0
[ 222.267584][ T788] bridge0: port 1(bridge_slave_0) entered blocking state
[ 222.267825][ T788] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 222.280844][ T4670] bridge0: port 2(bridge_slave_1) entered blocking state
[ 222.281088][ T4670] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 222.469615][ T6232] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 222.513001][ T6232] veth0_vlan: entered promiscuous mode
[ 222.525230][ T6232] veth1_vlan: entered promiscuous mode
[ 222.555717][ T6232] veth0_macvtap: entered promiscuous mode
[ 222.559006][ T6232] veth1_macvtap: entered promiscuous mode
[ 222.582846][ T6232] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 222.602269][ T6232] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 222.619112][ T1397] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 222.619346][ T1397] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 222.619383][ T1397] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 222.619413][ T1397] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 223.443471][ T60] Bluetooth: hci2: command tx timeout
[ 224.443406][ T32] block nbd0: Possible stuck request ffff88802478e000: control (read@0,4096B). Runtime 120 seconds
[ 225.523375][ T60] Bluetooth: hci2: command tx timeout
[ 227.604265][ T60] Bluetooth: hci2: command tx timeout
[ 254.533586][ T101] block nbd0: Possible stuck request ffff88802478e000: control (read@0,4096B). Runtime 150 seconds
[ 255.766691][ T1316] ieee802154 phy0 wpan0: encryption failed: -22
[ 255.766759][ T1316] ieee802154 phy1 wpan1: encryption failed: -22
[ 257.043625][ T38] INFO: task syz-executor.0:6094 blocked for more than 143 seconds.
[ 257.043645][ T38] Not tainted syzkaller #0
[ 257.043651][ T38] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 257.043711][ T38] task:syz-executor.0 state:D stack:27800 pid:6094 tgid:6089 ppid:5986 task_flags:0x400140 flags:0x00080003
[ 257.043807][ T38] Call Trace:
[ 257.043812][ T38]
[ 257.043823][ T38] __schedule+0x16f3/0x4c20
[ 257.043870][ T38] ? __pfx___schedule+0x10/0x10
[ 257.043895][ T38] rt_mutex_schedule+0x77/0xf0
[ 257.043907][ T38] rt_mutex_slowlock_block+0x5ba/0x6d0
[ 257.043926][ T38] ? rt_mutex_slowlock_block+0x351/0x6d0
[ 257.043939][ T38] rt_mutex_slowlock+0x2b1/0x6e0
[ 257.043951][ T38] ? rt_mutex_slowlock+0x1c9/0x6e0
[ 257.043963][ T38] ? __pfx_rt_mutex_slowlock+0x10/0x10
[ 257.043979][ T38] ? bdev_release+0x1af/0x660
[ 257.043995][ T38] ? __fsnotify_parent+0x242/0x540
[ 257.044011][ T38] ? bdev_release+0x1af/0x660
[ 257.044020][ T38] mutex_lock_nested+0x16a/0x1d0
[ 257.044031][ T38] ? __pfx___fsnotify_parent+0x10/0x10
[ 257.044047][ T38] bdev_release+0x1af/0x660
[ 257.044062][ T38] ? __pfx_blkdev_release+0x10/0x10
[ 257.044074][ T38] blkdev_release+0x15/0x20
[ 257.044085][ T38] __fput+0x45b/0xa80
[ 257.044101][ T38] task_work_run+0x1d4/0x260
[ 257.044114][ T38] ? __pfx_task_work_run+0x10/0x10
[ 257.044131][ T38] get_signal+0x11c4/0x1310
[ 257.044156][ T38] arch_do_signal_or_restart+0xa0/0x790
[ 257.044168][ T38] ? __pfx_task_work_add+0x10/0x10
[ 257.044181][ T38] ? __pfx_arch_do_signal_or_restart+0x10/0x10
[ 257.044193][ T38] ? __pfx_blkdev_ioctl+0x10/0x10
[ 257.044209][ T38] ? __fget_files+0x2a/0x420
[ 257.044226][ T38] ? exit_to_user_mode_loop+0x40/0x130
[ 257.044243][ T38] exit_to_user_mode_loop+0x72/0x130
[ 257.044257][ T38] do_syscall_64+0x2bd/0x3b0
[ 257.044272][ T38] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 257.044281][ T38] ? __switch_to_asm+0x39/0x70
[ 257.044290][ T38] ? clear_bhb_loop+0x60/0xb0
[ 257.044302][ T38] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 257.044312][ T38] RIP: 0033:0x7f91930ac8d9
[ 257.044325][ T38] RSP: 002b:00007f919240d0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 257.044335][ T38] RAX: 0000000000000000 RBX: 00007f91931cc050 RCX: 00007f91930ac8d9
[ 257.044342][ T38] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 257.044348][ T38] RBP: 00007f9193108ad0 R08: 0000000000000000 R09: 0000000000000000
[ 257.044354][ T38] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 257.044360][ T38] R13: 000000000000006e R14: 00007f91931cc050 R15: 00007ffde9140068
[ 257.044375][ T38]
[ 257.044393][ T38]
[ 257.044393][ T38] Showing all locks held in the system:
[ 257.044401][ T38] 1 lock held by khungtaskd/38:
[ 257.044407][ T38] #0: ffffffff8d3aa300 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
[ 257.044443][ T38] 2 locks held by kworker/u8:5/788:
[ 257.044449][ T38] #0: ffff88813ff29138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x9b4/0x17b0
[ 257.044474][ T38] #1: ffffc90004147bc0 ((work_completion)(&(&kfence_timer)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x9ef/0x17b0
[ 257.044516][ T38] 2 locks held by getty/5566:
[ 257.044522][ T38] #0: ffff88823bf260a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 257.044548][ T38] #1: ffffc90003e8b2e0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x444/0x1400
[ 257.044575][ T38] 1 lock held by udevd/5933:
[ 257.044580][ T38] #0: ffff88802471e4c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xe0/0xcc0
[ 257.044604][ T38] 1 lock held by syz-executor.0/6094:
[ 257.044609][ T38] #0: ffff88802471e4c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x1af/0x660
[ 257.044633][ T38] 1 lock held by syz-executor.0/6222:
[ 257.044638][ T38] #0: ffff88802471e4c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xe0/0xcc0
[ 257.044660][ T38] 1 lock held by syz-executor.0/6251:
[ 257.044665][ T38] #0: ffff88802471e4c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xe0/0xcc0
[ 257.044687][ T38]
[ 257.044689][ T38] =============================================
[ 257.044689][ T38]
[ 257.044697][ T38] NMI backtrace for cpu 1
[ 257.044709][ T38] CPU: 1 UID: 0 PID: 38 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 257.044720][ T38] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 257.044726][ T38] Call Trace:
[ 257.044730][ T38]
[ 257.044734][ T38] dump_stack_lvl+0x189/0x250
[ 257.044749][ T38] ? __pfx_dump_stack_lvl+0x10/0x10
[ 257.044762][ T38] ? __pfx__printk+0x10/0x10
[ 257.044779][ T38] nmi_cpu_backtrace+0x39e/0x3d0
[ 257.044792][ T38] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 257.044804][ T38] ? __pfx__printk+0x10/0x10
[ 257.044817][ T38] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 257.044830][ T38] nmi_trigger_cpumask_backtrace+0x17a/0x300
[ 257.044842][ T38] watchdog+0xf60/0xfa0
[ 257.044860][ T38] ? watchdog+0x1e2/0xfa0
[ 257.044875][ T38] kthread+0x711/0x8a0
[ 257.044887][ T38] ? __pfx_watchdog+0x10/0x10
[ 257.044900][ T38] ? __pfx_kthread+0x10/0x10
[ 257.044908][ T38] ? rt_spin_unlock+0x150/0x200
[ 257.044921][ T38] ? rt_spin_unlock+0x161/0x200
[ 257.044930][ T38] ? __pfx_kthread+0x10/0x10
[ 257.044940][ T38] ret_from_fork+0x436/0x7d0
[ 257.044954][ T38] ? __pfx_ret_from_fork+0x10/0x10
[ 257.044968][ T38] ? __switch_to_asm+0x39/0x70
[ 257.044977][ T38] ? __switch_to_asm+0x33/0x70
[ 257.044985][ T38] ? __pfx_kthread+0x10/0x10
[ 257.044994][ T38] ret_from_fork_asm+0x1a/0x30
[ 257.045011][ T38]
[ 257.045015][ T38] Sending NMI from CPU 1 to CPUs 0:
[ 257.045061][ C0] NMI backtrace for cpu 0
[ 257.045074][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 257.045091][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 257.045099][ C0] RIP: 0010:pv_native_safe_halt+0x13/0x20
[ 257.045121][ 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 53 50 17 00 f3 0f 1e fa fb f4 88 c1 03 00 cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90
[ 257.045134][ C0] RSP: 0018:ffffffff8d007d80 EFLAGS: 000002c2
[ 257.045147][ C0] RAX: e66c97eacacd0300 RBX: ffffffff81941b27 RCX: e66c97eacacd0300
[ 257.045159][ C0] RDX: 0000000000000001 RSI: ffffffff8cb941db RDI: ffffffff8b1d9960
[ 257.045205][ C0] RBP: ffffffff8d007eb8 R08: ffff8880b88334db R09: 1ffff1101710669b
[ 257.045217][ C0] R10: dffffc0000000000 R11: ffffed101710669c R12: ffffffff8eb54c30
[ 257.045228][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 1ffffffff1a20640
[ 257.045238][ C0] FS: 0000000000000000(0000) GS:ffff88812703b000(0000) knlGS:0000000000000000
[ 257.045251][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 257.045262][ C0] CR2: 000055c99cf48660 CR3: 000000000d1a6000 CR4: 00000000003526f0
[ 257.045277][ C0] Call Trace:
[ 257.045283][ C0]
[ 257.045288][ C0] default_idle+0x13/0x20
[ 257.045302][ C0] default_idle_call+0x73/0xb0
[ 257.045317][ C0] do_idle+0x1e7/0x510
[ 257.045336][ C0] ? __pfx_do_idle+0x10/0x10
[ 257.045350][ C0] ? _raw_spin_unlock_irqrestore+0x85/0x110
[ 257.045371][ C0] ? _raw_spin_unlock_irqrestore+0xad/0x110
[ 257.045389][ C0] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 257.045412][ C0] cpu_startup_entry+0x44/0x60
[ 257.045427][ C0] rest_init+0x2de/0x300
[ 257.045443][ C0] start_kernel+0x3ae/0x410
[ 257.045469][ C0] x86_64_start_reservations+0x24/0x30
[ 257.045487][ C0] x86_64_start_kernel+0x143/0x1c0
[ 257.045505][ C0] common_startup_64+0x13e/0x147
[ 257.045527][ C0]
[ 257.046034][ T38] Kernel panic - not syncing: hung_task: blocked tasks
[ 257.046042][ T38] CPU: 1 UID: 0 PID: 38 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 257.046053][ T38] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 257.046058][ T38] Call Trace:
[ 257.046062][ T38]
[ 257.046066][ T38] dump_stack_lvl+0x99/0x250
[ 257.046080][ T38] ? __asan_memcpy+0x40/0x70
[ 257.046093][ T38] ? __pfx_dump_stack_lvl+0x10/0x10
[ 257.046106][ T38] ? __pfx__printk+0x10/0x10
[ 257.046122][ T38] vpanic+0x237/0x6d0
[ 257.046131][ T38] ? __pfx_vpanic+0x10/0x10
[ 257.046144][ T38] panic+0xb9/0xc0
[ 257.046152][ T38] ? __pfx_panic+0x10/0x10
[ 257.046162][ T38] ? irq_work_queue+0xc3/0x140
[ 257.046179][ T38] ? nmi_trigger_cpumask_backtrace+0x234/0x300
[ 257.046192][ T38] watchdog+0xf9f/0xfa0
[ 257.046208][ T38] ? watchdog+0x1e2/0xfa0
[ 257.046224][ T38] kthread+0x711/0x8a0
[ 257.046235][ T38] ? __pfx_watchdog+0x10/0x10
[ 257.046248][ T38] ? __pfx_kthread+0x10/0x10
[ 257.046256][ T38] ? rt_spin_unlock+0x150/0x200
[ 257.046269][ T38] ? rt_spin_unlock+0x161/0x200
[ 257.046278][ T38] ? __pfx_kthread+0x10/0x10
[ 257.046288][ T38] ret_from_fork+0x436/0x7d0
[ 257.046302][ T38] ? __pfx_ret_from_fork+0x10/0x10
[ 257.046316][ T38] ? __switch_to_asm+0x39/0x70
[ 257.046325][ T38] ? __switch_to_asm+0x33/0x70
[ 257.046333][ T38] ? __pfx_kthread+0x10/0x10
[ 257.046342][ T38] ret_from_fork_asm+0x1a/0x30
[ 257.046359][ T38]
[ 257.046642][ T38] Kernel Offset: disabled