[ 86.759347][ T812] cfg80211: failed to load regulatory.db
Warning: Permanently added '10.128.10.6' (ED25519) to the list of known hosts.
2025/10/14 10:54:49 ignoring optional flag "type"="gce"
2025/10/14 10:54:49 parsed 1 programs
2025/10/14 10:54:49 executed programs: 0
[ 93.724415][ T5832] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 93.732303][ T5832] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 93.740078][ T5832] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 93.749225][ T5832] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 93.756893][ T5832] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 93.889450][ T6016] chnl_net:caif_netlink_parms(): no params data found
[ 93.956965][ T6016] bridge0: port 1(bridge_slave_0) entered blocking state
[ 93.964468][ T6016] bridge0: port 1(bridge_slave_0) entered disabled state
[ 93.971843][ T6016] bridge_slave_0: entered allmulticast mode
[ 93.978987][ T6016] bridge_slave_0: entered promiscuous mode
[ 93.988669][ T6016] bridge0: port 2(bridge_slave_1) entered blocking state
[ 93.995843][ T6016] bridge0: port 2(bridge_slave_1) entered disabled state
[ 94.003418][ T6016] bridge_slave_1: entered allmulticast mode
[ 94.010958][ T6016] bridge_slave_1: entered promiscuous mode
[ 94.040180][ T6016] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 94.051660][ T6016] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 94.081274][ T6016] team0: Port device team_slave_0 added
[ 94.089418][ T6016] team0: Port device team_slave_1 added
[ 94.116174][ T6016] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 94.124128][ T6016] 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.
[ 94.150295][ T6016] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 94.162142][ T6016] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 94.169235][ T6016] 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.
[ 94.195368][ T6016] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 94.236048][ T6016] hsr_slave_0: entered promiscuous mode
[ 94.242534][ T6016] hsr_slave_1: entered promiscuous mode
[ 94.749346][ T6016] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 94.761587][ T6016] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 94.774740][ T6016] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 94.786680][ T6016] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 94.823581][ T6016] bridge0: port 2(bridge_slave_1) entered blocking state
[ 94.830779][ T6016] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 94.838359][ T6016] bridge0: port 1(bridge_slave_0) entered blocking state
[ 94.845542][ T6016] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 94.920746][ T6016] 8021q: adding VLAN 0 to HW filter on device bond0
[ 94.931326][ T2993] bridge0: port 1(bridge_slave_0) entered disabled state
[ 94.943778][ T2993] bridge0: port 2(bridge_slave_1) entered disabled state
[ 94.980055][ T6016] 8021q: adding VLAN 0 to HW filter on device team0
[ 94.996992][ T2993] bridge0: port 1(bridge_slave_0) entered blocking state
[ 95.004194][ T2993] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 95.034356][ T2993] bridge0: port 2(bridge_slave_1) entered blocking state
[ 95.041580][ T2993] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 95.295560][ T6016] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 95.359193][ T6016] veth0_vlan: entered promiscuous mode
[ 95.373699][ T6016] veth1_vlan: entered promiscuous mode
[ 95.421641][ T6016] veth0_macvtap: entered promiscuous mode
[ 95.433802][ T6016] veth1_macvtap: entered promiscuous mode
[ 95.460491][ T6016] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 95.481108][ T6016] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 95.502585][ T2993] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 95.523193][ T2993] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 95.541793][ T2993] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 95.570181][ T13] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 95.718607][ T6076] nbd0: detected capacity change from 0 to 502
[ 95.798877][ T5832] Bluetooth: hci0: command tx timeout
[ 96.481363][ T5148] block nbd0: Receive control failed (result -104)
[ 97.877664][ T5148] Bluetooth: hci0: command tx timeout
[ 99.957848][ T5148] Bluetooth: hci0: command tx timeout
[ 102.037799][ T5148] Bluetooth: hci0: command tx timeout
[ 125.799813][ T95] block nbd0: Possible stuck request ffff888025290000: control (read@0,4096B). Runtime 30 seconds
[ 132.840454][ T1300] ieee802154 phy0 wpan0: encryption failed: -22
[ 132.846727][ T1300] ieee802154 phy1 wpan1: encryption failed: -22
2025/10/14 10:55:47 executed programs: 1
[ 152.689249][ T5832] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1
[ 152.697088][ T5832] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9
[ 152.704707][ T5832] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9
[ 152.712948][ T5832] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4
[ 152.721113][ T5832] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2
[ 152.850876][ T6214] chnl_net:caif_netlink_parms(): no params data found
[ 152.918270][ T6214] bridge0: port 1(bridge_slave_0) entered blocking state
[ 152.925420][ T6214] bridge0: port 1(bridge_slave_0) entered disabled state
[ 152.932926][ T6214] bridge_slave_0: entered allmulticast mode
[ 152.940034][ T6214] bridge_slave_0: entered promiscuous mode
[ 152.949325][ T6214] bridge0: port 2(bridge_slave_1) entered blocking state
[ 152.956689][ T6214] bridge0: port 2(bridge_slave_1) entered disabled state
[ 152.964011][ T6214] bridge_slave_1: entered allmulticast mode
[ 152.971791][ T6214] bridge_slave_1: entered promiscuous mode
[ 152.999578][ T6214] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 153.011774][ T6214] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 153.041474][ T6214] team0: Port device team_slave_0 added
[ 153.049268][ T6214] team0: Port device team_slave_1 added
[ 153.075278][ T6214] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 153.083246][ T6214] 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.
[ 153.109883][ T6214] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 153.122385][ T6214] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 153.129392][ T6214] 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.
[ 153.155452][ T6214] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 153.195684][ T6214] hsr_slave_0: entered promiscuous mode
[ 153.202208][ T6214] hsr_slave_1: entered promiscuous mode
[ 153.208578][ T6214] debugfs: 'hsr0' already exists in 'hsr'
[ 153.214474][ T6214] Cannot create hsr debugfs directory
[ 153.313047][ T6214] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 153.389351][ T6214] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 153.469153][ T6214] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 153.541098][ T6214] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 153.663991][ T6214] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 153.674784][ T6214] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 153.684410][ T6214] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 153.693899][ T6214] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 153.718263][ T6214] bridge0: port 2(bridge_slave_1) entered blocking state
[ 153.725367][ T6214] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 153.732864][ T6214] bridge0: port 1(bridge_slave_0) entered blocking state
[ 153.740162][ T6214] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 153.790781][ T6214] 8021q: adding VLAN 0 to HW filter on device bond0
[ 153.807226][ T13] bridge0: port 1(bridge_slave_0) entered disabled state
[ 153.815699][ T13] bridge0: port 2(bridge_slave_1) entered disabled state
[ 153.833528][ T6214] 8021q: adding VLAN 0 to HW filter on device team0
[ 153.845420][ T2993] bridge0: port 1(bridge_slave_0) entered blocking state
[ 153.852622][ T2993] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 153.868594][ T13] bridge0: port 2(bridge_slave_1) entered blocking state
[ 153.875716][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 154.032068][ T6214] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 154.074625][ T6214] veth0_vlan: entered promiscuous mode
[ 154.086315][ T6214] veth1_vlan: entered promiscuous mode
[ 154.114856][ T6214] veth0_macvtap: entered promiscuous mode
[ 154.126313][ T6214] veth1_macvtap: entered promiscuous mode
[ 154.146242][ T6214] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 154.161067][ T6214] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 154.174079][ T1156] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 154.183063][ T1156] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 154.193843][ T1156] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 154.204514][ T1156] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 154.757998][ T5148] Bluetooth: hci1: command tx timeout
[ 155.879544][ T95] block nbd0: Possible stuck request ffff888025290000: control (read@0,4096B). Runtime 60 seconds
[ 156.837655][ T5148] Bluetooth: hci1: command tx timeout
[ 157.267685][ T5198] udevd[5198]: worker [6017] /devices/virtual/block/nbd0 is taking a long time
[ 158.917691][ T5148] Bluetooth: hci1: command tx timeout
[ 160.997625][ T5148] Bluetooth: hci1: command tx timeout
[ 185.959275][ T95] block nbd0: Possible stuck request ffff888025290000: control (read@0,4096B). Runtime 90 seconds
[ 194.280385][ T1300] ieee802154 phy0 wpan0: encryption failed: -22
[ 194.286668][ T1300] ieee802154 phy1 wpan1: encryption failed: -22
2025/10/14 10:56:46 executed programs: 2
[ 211.326442][ T5832] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1
[ 211.334220][ T5832] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9
[ 211.342052][ T5832] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9
[ 211.351067][ T5832] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4
[ 211.358857][ T5832] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2
[ 211.505796][ T6242] chnl_net:caif_netlink_parms(): no params data found
[ 211.570865][ T6242] bridge0: port 1(bridge_slave_0) entered blocking state
[ 211.578234][ T6242] bridge0: port 1(bridge_slave_0) entered disabled state
[ 211.585467][ T6242] bridge_slave_0: entered allmulticast mode
[ 211.593874][ T6242] bridge_slave_0: entered promiscuous mode
[ 211.601899][ T6242] bridge0: port 2(bridge_slave_1) entered blocking state
[ 211.609336][ T6242] bridge0: port 2(bridge_slave_1) entered disabled state
[ 211.616484][ T6242] bridge_slave_1: entered allmulticast mode
[ 211.623687][ T6242] bridge_slave_1: entered promiscuous mode
[ 211.651812][ T6242] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 211.663612][ T6242] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 211.695759][ T6242] team0: Port device team_slave_0 added
[ 211.703592][ T6242] team0: Port device team_slave_1 added
[ 211.729847][ T6242] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 211.736800][ T6242] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[ 211.763691][ T6242] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 211.775786][ T6242] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 211.782764][ T6242] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[ 211.808813][ T6242] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 211.851487][ T6242] hsr_slave_0: entered promiscuous mode
[ 211.858088][ T6242] hsr_slave_1: entered promiscuous mode
[ 211.864123][ T6242] debugfs: 'hsr0' already exists in 'hsr'
[ 211.869934][ T6242] Cannot create hsr debugfs directory
[ 211.967351][ T6242] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 212.029311][ T6242] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 212.110501][ T6242] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 212.190334][ T6242] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 212.300593][ T6242] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 212.311333][ T6242] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 212.324972][ T6242] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 212.335042][ T6242] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 212.360532][ T6242] bridge0: port 2(bridge_slave_1) entered blocking state
[ 212.367741][ T6242] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 212.375250][ T6242] bridge0: port 1(bridge_slave_0) entered blocking state
[ 212.382483][ T6242] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 212.433140][ T6242] 8021q: adding VLAN 0 to HW filter on device bond0
[ 212.451827][ T1156] bridge0: port 1(bridge_slave_0) entered disabled state
[ 212.460317][ T1156] bridge0: port 2(bridge_slave_1) entered disabled state
[ 212.475980][ T6242] 8021q: adding VLAN 0 to HW filter on device team0
[ 212.488649][ T3025] bridge0: port 1(bridge_slave_0) entered blocking state
[ 212.495917][ T3025] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 212.509220][ T3025] bridge0: port 2(bridge_slave_1) entered blocking state
[ 212.516390][ T3025] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 212.671191][ T6242] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 212.710513][ T6242] veth0_vlan: entered promiscuous mode
[ 212.721190][ T6242] veth1_vlan: entered promiscuous mode
[ 212.750429][ T6242] veth0_macvtap: entered promiscuous mode
[ 212.759494][ T6242] veth1_macvtap: entered promiscuous mode
[ 212.779489][ T6242] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 212.794466][ T6242] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 212.809005][ T1156] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 212.818699][ T1156] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 212.829037][ T1156] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 212.839819][ T1156] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 213.397758][ T5148] Bluetooth: hci2: command tx timeout
[ 215.477607][ T5832] Bluetooth: hci2: command tx timeout
[ 216.038366][ T95] block nbd0: Possible stuck request ffff888025290000: control (read@0,4096B). Runtime 120 seconds
[ 216.837645][ T5832] Bluetooth: hci0: command 0x0406 tx timeout
[ 217.558002][ T5148] Bluetooth: hci2: command tx timeout
[ 219.637663][ T5148] Bluetooth: hci2: command tx timeout
[ 246.121672][ T56] block nbd0: Possible stuck request ffff888025290000: control (read@0,4096B). Runtime 150 seconds
[ 252.518626][ T31] INFO: task syz-executor.0:6076 blocked for more than 143 seconds.
[ 252.526668][ T31] Not tainted syzkaller #0
[ 252.531701][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 252.540471][ T31] task:syz-executor.0 state:D stack:27208 pid:6076 tgid:6075 ppid:6016 task_flags:0x400140 flags:0x00080003
[ 252.552448][ T31] Call Trace:
[ 252.555731][ T31]
[ 252.558771][ T31] __schedule+0x1798/0x4cc0
[ 252.563351][ T31] ? __lock_acquire+0xab9/0xd20
[ 252.568272][ T31] ? __lock_acquire+0xab9/0xd20
[ 252.573132][ T31] ? __pfx___schedule+0x10/0x10
[ 252.578033][ T31] ? schedule+0x91/0x360
[ 252.582280][ T31] schedule+0x165/0x360
[ 252.586422][ T31] schedule_preempt_disabled+0x13/0x30
[ 252.591909][ T31] __mutex_lock+0x7e6/0x1350
[ 252.596509][ T31] ? __mutex_lock+0x5bb/0x1350
[ 252.601368][ T31] ? bdev_release+0x1a9/0x650
[ 252.606134][ T31] ? __pfx___mutex_lock+0x10/0x10
[ 252.611462][ T31] ? __asan_memset+0x22/0x50
[ 252.616087][ T31] ? __pfx___fsnotify_parent+0x10/0x10
[ 252.621638][ T31] ? do_raw_spin_lock+0x121/0x290
[ 252.626678][ T31] bdev_release+0x1a9/0x650
[ 252.631265][ T31] ? __pfx_blkdev_release+0x10/0x10
[ 252.636481][ T31] blkdev_release+0x15/0x20
[ 252.641060][ T31] __fput+0x44c/0xa70
[ 252.645060][ T31] task_work_run+0x1d4/0x260
[ 252.649752][ T31] ? __pfx_task_work_run+0x10/0x10
[ 252.654916][ T31] get_signal+0x11ec/0x1340
[ 252.659497][ T31] arch_do_signal_or_restart+0xa0/0x790
[ 252.665062][ T31] ? __pfx_arch_do_signal_or_restart+0x10/0x10
[ 252.671269][ T31] ? __pfx_blkdev_ioctl+0x10/0x10
[ 252.676309][ T31] ? exit_to_user_mode_loop+0x40/0x130
[ 252.682473][ T31] exit_to_user_mode_loop+0x72/0x130
[ 252.687862][ T31] do_syscall_64+0x2bd/0xfa0
[ 252.692471][ T31] ? lockdep_hardirqs_on+0x9c/0x150
[ 252.697720][ T31] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 252.703799][ T31] ? clear_bhb_loop+0x60/0xb0
[ 252.708520][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 252.714410][ T31] RIP: 0033:0x7f220547ad39
[ 252.718977][ T31] RSP: 002b:00007f22065a30c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 252.727415][ T31] RAX: 0000000000000000 RBX: 00007f220559bf80 RCX: 00007f220547ad39
[ 252.735468][ T31] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 252.743755][ T31] RBP: 00007f22054d7567 R08: 0000000000000000 R09: 0000000000000000
[ 252.751864][ T31] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 252.759906][ T31] R13: 000000000000000b R14: 00007f220559bf80 R15: 00007ffec35ab8f8
[ 252.767953][ T31]
[ 252.771101][ T31]
[ 252.771101][ T31] Showing all locks held in the system:
[ 252.778847][ T31] 1 lock held by khungtaskd/31:
[ 252.783700][ T31] #0: ffffffff8e13d2e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
[ 252.793601][ T31] 2 locks held by getty/5584:
[ 252.798333][ T31] #0: ffff88814dc3b0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 252.808133][ T31] #1: ffffc900036c62f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x43e/0x1400
[ 252.818391][ T31] 1 lock held by udevd/6017:
[ 252.822960][ T31] #0: ffff888143f99358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xe0/0xd30
[ 252.832340][ T31] 1 lock held by syz-executor.0/6076:
[ 252.837793][ T31] #0: ffff888143f99358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x1a9/0x650
[ 252.847351][ T31] 1 lock held by syz-executor.0/6233:
[ 252.852862][ T31] #0: ffff888143f99358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xe0/0xd30
[ 252.862149][ T31] 1 lock held by syz-executor.0/6263:
[ 252.867552][ T31] #0: ffff888143f99358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xe0/0xd30
[ 252.877050][ T31]
[ 252.879464][ T31] =============================================
[ 252.879464][ T31]
[ 252.887924][ T31] NMI backtrace for cpu 1
[ 252.887946][ T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full)
[ 252.887960][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 252.887968][ T31] Call Trace:
[ 252.887975][ T31]
[ 252.887981][ T31] dump_stack_lvl+0x189/0x250
[ 252.888002][ T31] ? __pfx_dump_stack_lvl+0x10/0x10
[ 252.888016][ T31] ? __pfx__printk+0x10/0x10
[ 252.888038][ T31] nmi_cpu_backtrace+0x39e/0x3d0
[ 252.888060][ T31] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 252.888080][ T31] ? __pfx__printk+0x10/0x10
[ 252.888096][ T31] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 252.888113][ T31] nmi_trigger_cpumask_backtrace+0x17a/0x300
[ 252.888134][ T31] watchdog+0xf60/0xfa0
[ 252.888153][ T31] ? watchdog+0x1e2/0xfa0
[ 252.888172][ T31] kthread+0x711/0x8a0
[ 252.888188][ T31] ? __pfx_watchdog+0x10/0x10
[ 252.888202][ T31] ? __pfx_kthread+0x10/0x10
[ 252.888216][ T31] ? _raw_spin_unlock_irq+0x23/0x50
[ 252.888236][ T31] ? lockdep_hardirqs_on+0x9c/0x150
[ 252.888250][ T31] ? __pfx_kthread+0x10/0x10
[ 252.888263][ T31] ret_from_fork+0x4bc/0x870
[ 252.888282][ T31] ? __pfx_ret_from_fork+0x10/0x10
[ 252.888302][ T31] ? __switch_to_asm+0x39/0x70
[ 252.888316][ T31] ? __switch_to_asm+0x33/0x70
[ 252.888328][ T31] ? __pfx_kthread+0x10/0x10
[ 252.888341][ T31] ret_from_fork_asm+0x1a/0x30
[ 252.888367][ T31]
[ 252.888374][ T31] Sending NMI from CPU 1 to CPUs 0:
[ 253.033311][ C0] NMI backtrace for cpu 0
[ 253.033326][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full)
[ 253.033342][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 253.033351][ C0] RIP: 0010:pv_native_safe_halt+0x13/0x20
[ 253.033374][ 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 91 1b 00 f3 0f 1e fa fb f4 c8 e6 02 00 cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90
[ 253.033386][ C0] RSP: 0018:ffffffff8de07d80 EFLAGS: 000002c6
[ 253.033399][ C0] RAX: bfb090e1d3068d00 RBX: ffffffff8196bc07 RCX: bfb090e1d3068d00
[ 253.033411][ C0] RDX: 0000000000000001 RSI: ffffffff8d7ea803 RDI: ffffffff8bc07de0
[ 253.033422][ C0] RBP: ffffffff8de07ea8 R08: ffff8880b8632fdb R09: 1ffff110170c65fb
[ 253.033433][ C0] R10: dffffc0000000000 R11: ffffed10170c65fc R12: ffffffff8f9e3370
[ 253.033444][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 1ffffffff1bd2a40
[ 253.033453][ C0] FS: 0000000000000000(0000) GS:ffff888125d08000(0000) knlGS:0000000000000000
[ 253.033465][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 253.033476][ C0] CR2: 000055bc3458f168 CR3: 000000000df38000 CR4: 00000000003526f0
[ 253.033489][ C0] Call Trace:
[ 253.033497][ C0]
[ 253.033503][ C0] default_idle+0x13/0x20
[ 253.033522][ C0] default_idle_call+0x73/0xb0
[ 253.033541][ C0] do_idle+0x1e7/0x510
[ 253.033563][ C0] ? __pfx_do_idle+0x10/0x10
[ 253.033588][ C0] cpu_startup_entry+0x44/0x60
[ 253.033606][ C0] rest_init+0x2de/0x300
[ 253.033626][ C0] start_kernel+0x3ae/0x410
[ 253.033706][ C0] x86_64_start_reservations+0x24/0x30
[ 253.033724][ C0] x86_64_start_kernel+0x143/0x1c0
[ 253.033741][ C0] common_startup_64+0x13e/0x147
[ 253.033764][ C0]
[ 253.034469][ T31] Kernel panic - not syncing: hung_task: blocked tasks
[ 253.214614][ T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full)
[ 253.223708][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 253.233746][ T31] Call Trace:
[ 253.237013][ T31]
[ 253.239930][ T31] dump_stack_lvl+0x99/0x250
[ 253.244511][ T31] ? __asan_memcpy+0x40/0x70
[ 253.249084][ T31] ? __pfx_dump_stack_lvl+0x10/0x10
[ 253.254266][ T31] ? __pfx__printk+0x10/0x10
[ 253.258860][ T31] vpanic+0x237/0x6d0
[ 253.262852][ T31] ? __pfx_vpanic+0x10/0x10
[ 253.267355][ T31] ? preempt_schedule_common+0x83/0xd0
[ 253.272815][ T31] panic+0xb9/0xc0
[ 253.276530][ T31] ? __pfx_panic+0x10/0x10
[ 253.280970][ T31] ? preempt_schedule_thunk+0x16/0x30
[ 253.286335][ T31] ? nmi_trigger_cpumask_backtrace+0x2bb/0x300
[ 253.292481][ T31] watchdog+0xf9f/0xfa0
[ 253.296640][ T31] ? watchdog+0x1e2/0xfa0
[ 253.300967][ T31] kthread+0x711/0x8a0
[ 253.305116][ T31] ? __pfx_watchdog+0x10/0x10
[ 253.309779][ T31] ? __pfx_kthread+0x10/0x10
[ 253.314358][ T31] ? _raw_spin_unlock_irq+0x23/0x50
[ 253.319558][ T31] ? lockdep_hardirqs_on+0x9c/0x150
[ 253.324760][ T31] ? __pfx_kthread+0x10/0x10
[ 253.329352][ T31] ret_from_fork+0x4bc/0x870
[ 253.333979][ T31] ? __pfx_ret_from_fork+0x10/0x10
[ 253.339129][ T31] ? __switch_to_asm+0x39/0x70
[ 253.343890][ T31] ? __switch_to_asm+0x33/0x70
[ 253.348733][ T31] ? __pfx_kthread+0x10/0x10
[ 253.353314][ T31] ret_from_fork_asm+0x1a/0x30
[ 253.358078][ T31]
[ 253.361350][ T31] Kernel Offset: disabled
[ 253.365682][ T31] Rebooting in 86400 seconds..