Warning: Permanently added '10.128.1.205' (ED25519) to the list of known hosts.
2026/04/19 09:22:16 ignoring optional flag "type"="gce"
2026/04/19 09:22:16 parsed 1 programs
2026/04/19 09:22:16 executed programs: 0
[ 95.505944][ T60] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 95.507311][ T60] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 95.507998][ T60] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 95.509390][ T60] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 95.510336][ T60] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 95.727375][ T5994] chnl_net:caif_netlink_parms(): no params data found
[ 95.992501][ T5994] bridge0: port 1(bridge_slave_0) entered blocking state
[ 95.992655][ T5994] bridge0: port 1(bridge_slave_0) entered disabled state
[ 95.992758][ T5994] bridge_slave_0: entered allmulticast mode
[ 95.994375][ T5994] bridge_slave_0: entered promiscuous mode
[ 95.996467][ T5994] bridge0: port 2(bridge_slave_1) entered blocking state
[ 95.996580][ T5994] bridge0: port 2(bridge_slave_1) entered disabled state
[ 95.996683][ T5994] bridge_slave_1: entered allmulticast mode
[ 95.998078][ T5994] bridge_slave_1: entered promiscuous mode
[ 96.135026][ T5994] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 96.138115][ T5994] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 96.284002][ T5994] team0: Port device team_slave_0 added
[ 96.287498][ T5994] team0: Port device team_slave_1 added
[ 96.422958][ T5994] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 96.422975][ T5994] 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.
[ 96.422989][ T5994] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 96.424284][ T5994] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 96.424297][ T5994] 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.
[ 96.424317][ T5994] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 96.546770][ T5994] hsr_slave_0: entered promiscuous mode
[ 96.547473][ T5994] hsr_slave_1: entered promiscuous mode
[ 97.086321][ T5994] 8021q: adding VLAN 0 to HW filter on device bond0
[ 97.109536][ T5994] 8021q: adding VLAN 0 to HW filter on device team0
[ 97.123604][ T13] bridge0: port 1(bridge_slave_0) entered blocking state
[ 97.123687][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 97.160050][ T55] bridge0: port 2(bridge_slave_1) entered blocking state
[ 97.160143][ T55] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 97.244232][ T5994] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 97.596702][ T5994] veth0_vlan: entered promiscuous mode
[ 97.604808][ T5994] veth1_vlan: entered promiscuous mode
[ 97.634776][ T5994] veth0_macvtap: entered promiscuous mode
[ 97.637822][ T5994] veth1_macvtap: entered promiscuous mode
[ 97.642479][ T5118] Bluetooth: hci0: command tx timeout
[ 97.680227][ T5994] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 97.697394][ T5994] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 98.141852][ T6022] nbd0: detected capacity change from 0 to 128
[ 98.823949][ T5118] block nbd0: Receive control failed (result -104)
[ 98.840030][ T6023] block nbd0: shutting down sockets
[ 98.894389][ C1] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[ 98.895352][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 98.896958][ T5995] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[ 98.896980][ T5995] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 98.898024][ T5995] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[ 98.898040][ T5995] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 98.898193][ T5995] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[ 98.898206][ T5995] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 98.899172][ T5995] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[ 98.899187][ T5995] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 98.899290][ T5995] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[ 98.899303][ T5995] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 98.899513][ T5995] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[ 98.899526][ T5995] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 98.899610][ T5995] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[ 98.899623][ T5995] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 98.899672][ T5995] ldm_validate_partition_table(): Disk read failed.
[ 98.899710][ T5995] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[ 98.899722][ T5995] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 98.899801][ T5995] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[ 98.899813][ T5995] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 98.900022][ T5995] Dev nbd0: unable to read RDB block 0
[ 98.900934][ T5995] nbd0: unable to read partition table
[ 99.097880][ T5995] ldm_validate_partition_table(): Disk read failed.
[ 99.102718][ T5995] Dev nbd0: unable to read RDB block 0
[ 99.103299][ T5995] nbd0: unable to read partition table
[ 99.143042][ T6025] ldm_validate_partition_table(): Disk read failed.
[ 99.143510][ T6025] Dev nbd0: unable to read RDB block 0
[ 99.160298][ T6025] nbd0: unable to read partition table
[ 99.384472][ T6029] nbd0: detected capacity change from 0 to 128
[ 99.721235][ T60] Bluetooth: hci0: command tx timeout
[ 100.039572][ T5118] block nbd0: Receive control failed (result -104)
[ 101.802381][ T5118] Bluetooth: hci0: command tx timeout
[ 103.881266][ T5118] Bluetooth: hci0: command tx timeout
[ 129.601497][ T58] block nbd0: Possible stuck request ffff888026af5240: control (read@0,4096B). Runtime 30 seconds
[ 132.764231][ T1328] ieee802154 phy0 wpan0: encryption failed: -22
[ 132.764313][ T1328] ieee802154 phy1 wpan1: encryption failed: -22
2026/04/19 09:23:16 executed programs: 3
[ 156.308665][ T60] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1
[ 156.328882][ T60] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9
[ 156.329612][ T60] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9
[ 156.330591][ T60] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4
[ 156.334348][ T60] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2
[ 156.549486][ T6037] chnl_net:caif_netlink_parms(): no params data found
[ 156.772509][ T6037] bridge0: port 1(bridge_slave_0) entered blocking state
[ 156.772576][ T6037] bridge0: port 1(bridge_slave_0) entered disabled state
[ 156.776627][ T6037] bridge_slave_0: entered allmulticast mode
[ 156.778209][ T6037] bridge_slave_0: entered promiscuous mode
[ 156.780286][ T6037] bridge0: port 2(bridge_slave_1) entered blocking state
[ 156.780401][ T6037] bridge0: port 2(bridge_slave_1) entered disabled state
[ 156.780494][ T6037] bridge_slave_1: entered allmulticast mode
[ 156.783388][ T6037] bridge_slave_1: entered promiscuous mode
[ 156.914989][ T6037] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 156.917648][ T6037] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 157.054065][ T6037] team0: Port device team_slave_0 added
[ 157.055954][ T6037] team0: Port device team_slave_1 added
[ 157.203895][ T6037] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 157.203911][ T6037] 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.
[ 157.203925][ T6037] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 157.205279][ T6037] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 157.205292][ T6037] 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.
[ 157.205309][ T6037] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 157.368301][ T6037] hsr_slave_0: entered promiscuous mode
[ 157.369083][ T6037] hsr_slave_1: entered promiscuous mode
[ 157.369656][ T6037] debugfs: 'hsr0' already exists in 'hsr'
[ 157.369724][ T6037] Cannot create hsr debugfs directory
[ 157.916055][ T6037] 8021q: adding VLAN 0 to HW filter on device bond0
[ 157.940417][ T6037] 8021q: adding VLAN 0 to HW filter on device team0
[ 157.952816][ T13] bridge0: port 1(bridge_slave_0) entered blocking state
[ 157.953090][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 157.989577][ T192] bridge0: port 2(bridge_slave_1) entered blocking state
[ 157.989669][ T192] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 158.072503][ T6037] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 158.361329][ T5118] Bluetooth: hci1: command tx timeout
[ 158.418482][ T6037] veth0_vlan: entered promiscuous mode
[ 158.429655][ T6037] veth1_vlan: entered promiscuous mode
[ 158.462206][ T6037] veth0_macvtap: entered promiscuous mode
[ 158.465158][ T6037] veth1_macvtap: entered promiscuous mode
[ 158.479411][ T6037] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 158.484933][ T6037] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 159.681272][ T58] block nbd0: Possible stuck request ffff888026af5240: control (read@0,4096B). Runtime 60 seconds
[ 160.441425][ T5118] Bluetooth: hci1: command tx timeout
[ 161.783730][ T5168] udevd[5168]: worker [5995] /devices/virtual/block/nbd0 is taking a long time
[ 162.521325][ T5118] Bluetooth: hci1: command tx timeout
[ 164.601265][ T5118] Bluetooth: hci1: command tx timeout
[ 189.762850][ T58] block nbd0: Possible stuck request ffff888026af5240: control (read@0,4096B). Runtime 90 seconds
[ 194.204263][ T1328] ieee802154 phy0 wpan0: encryption failed: -22
[ 194.204352][ T1328] ieee802154 phy1 wpan1: encryption failed: -22
2026/04/19 09:24:16 executed programs: 4
[ 215.908348][ T60] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1
[ 215.909925][ T60] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9
[ 215.910734][ T60] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9
[ 215.927555][ T60] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4
[ 215.931972][ T60] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2
[ 216.134981][ T6073] chnl_net:caif_netlink_parms(): no params data found
[ 216.362664][ T6073] bridge0: port 1(bridge_slave_0) entered blocking state
[ 216.362822][ T6073] bridge0: port 1(bridge_slave_0) entered disabled state
[ 216.363003][ T6073] bridge_slave_0: entered allmulticast mode
[ 216.364372][ T6073] bridge_slave_0: entered promiscuous mode
[ 216.366460][ T6073] bridge0: port 2(bridge_slave_1) entered blocking state
[ 216.366579][ T6073] bridge0: port 2(bridge_slave_1) entered disabled state
[ 216.366864][ T6073] bridge_slave_1: entered allmulticast mode
[ 216.368261][ T6073] bridge_slave_1: entered promiscuous mode
[ 216.495257][ T6073] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 216.498449][ T6073] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 216.654261][ T6073] team0: Port device team_slave_0 added
[ 216.656462][ T6073] team0: Port device team_slave_1 added
[ 216.784068][ T6073] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 216.784092][ T6073] 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.
[ 216.784106][ T6073] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 216.785687][ T6073] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 216.785700][ T6073] 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.
[ 216.785717][ T6073] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 216.947133][ T6073] hsr_slave_0: entered promiscuous mode
[ 216.947880][ T6073] hsr_slave_1: entered promiscuous mode
[ 216.948373][ T6073] debugfs: 'hsr0' already exists in 'hsr'
[ 216.948389][ T6073] Cannot create hsr debugfs directory
[ 217.477326][ T6073] 8021q: adding VLAN 0 to HW filter on device bond0
[ 217.498647][ T6073] 8021q: adding VLAN 0 to HW filter on device team0
[ 217.513131][ T12] bridge0: port 1(bridge_slave_0) entered blocking state
[ 217.513247][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 217.520530][ T4705] bridge0: port 2(bridge_slave_1) entered blocking state
[ 217.520648][ T4705] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 217.625494][ T6073] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 217.970457][ T6073] veth0_vlan: entered promiscuous mode
[ 217.980177][ T6073] veth1_vlan: entered promiscuous mode
[ 218.014073][ T6073] veth0_macvtap: entered promiscuous mode
[ 218.017515][ T6073] veth1_macvtap: entered promiscuous mode
[ 218.041292][ T5118] Bluetooth: hci2: command tx timeout
[ 218.042704][ T6073] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 218.049162][ T6073] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 219.841289][ T58] block nbd0: Possible stuck request ffff888026af5240: control (read@0,4096B). Runtime 120 seconds
[ 220.121178][ T60] Bluetooth: hci2: command tx timeout
[ 221.881579][ T60] Bluetooth: hci0: command 0x0406 tx timeout
[ 222.201444][ T5118] Bluetooth: hci2: command tx timeout
[ 224.281629][ T5118] Bluetooth: hci2: command tx timeout
[ 249.933022][ T58] block nbd0: Possible stuck request ffff888026af5240: control (read@0,4096B). Runtime 150 seconds
[ 254.361779][ T38] INFO: task syz-executor.0:6028 blocked for more than 143 seconds.
[ 254.361818][ T38] Not tainted syzkaller #0
[ 254.361828][ T38] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 254.361837][ T38] task:syz-executor.0 state:D stack:26656 pid:6028 tgid:6027 ppid:5994 task_flags:0x400140 flags:0x00080803
[ 254.361911][ T38] Call Trace:
[ 254.361919][ T38]
[ 254.361932][ T38] __schedule+0x1681/0x54c0
[ 254.362003][ T38] ? __pfx___schedule+0x10/0x10
[ 254.362023][ T38] ? rt_mutex_slowlock_block+0x2e9/0x680
[ 254.362063][ T38] rt_mutex_schedule+0x76/0xf0
[ 254.362093][ T38] rt_mutex_slowlock_block+0x508/0x680
[ 254.362129][ T38] ? rt_mutex_slowlock_block+0x2e9/0x680
[ 254.362158][ T38] rt_mutex_slowlock+0x2dc/0x780
[ 254.362178][ T38] ? rt_mutex_slowlock+0x1fd/0x780
[ 254.362194][ T38] ? __pfx_rt_mutex_slowlock+0x10/0x10
[ 254.362212][ T38] ? bdev_release+0x1af/0x660
[ 254.362235][ T38] ? bdev_release+0x1af/0x660
[ 254.362249][ T38] mutex_lock_nested+0x168/0x1d0
[ 254.362265][ T38] ? __pfx___fsnotify_parent+0x10/0x10
[ 254.362283][ T38] bdev_release+0x1af/0x660
[ 254.362302][ T38] ? __pfx_blkdev_release+0x10/0x10
[ 254.362313][ T38] blkdev_release+0x15/0x20
[ 254.362331][ T38] __fput+0x461/0xa70
[ 254.362350][ T38] task_work_run+0x1d9/0x270
[ 254.362365][ T38] ? __pfx_task_work_run+0x10/0x10
[ 254.362384][ T38] get_signal+0x11c3/0x1310
[ 254.362410][ T38] arch_do_signal_or_restart+0xbc/0x830
[ 254.362426][ T38] ? __pfx_task_work_add+0x10/0x10
[ 254.362439][ T38] ? __pfx_arch_do_signal_or_restart+0x10/0x10
[ 254.362458][ T38] ? __fput_deferred+0x253/0x3e0
[ 254.362474][ T38] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 254.362485][ T38] exit_to_user_mode_loop+0x86/0x480
[ 254.362497][ T38] ? rcu_is_watching+0x15/0xb0
[ 254.362512][ T38] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 254.362523][ T38] do_syscall_64+0x33e/0xf80
[ 254.362536][ T38] ? trace_irq_disable+0x3b/0x140
[ 254.362547][ T38] ? clear_bhb_loop+0x40/0x90
[ 254.362560][ T38] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 254.362571][ T38] RIP: 0033:0x7f95ade19a69
[ 254.362588][ T38] RSP: 002b:00007f95ad5a6078 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 254.362600][ T38] RAX: 0000000000000000 RBX: 00007f95adf3bf80 RCX: 00007f95ade19a69
[ 254.362607][ T38] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 254.362613][ T38] RBP: 00007f95ade8f178 R08: 0000000000000000 R09: 0000000000000000
[ 254.362620][ T38] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 254.362626][ T38] R13: 000000000000000b R14: 00007f95adf3bf80 R15: 00007ffd99c89c88
[ 254.362641][ T38]
[ 254.362658][ T38]
[ 254.362658][ T38] Showing all locks held in the system:
[ 254.362665][ T38] 1 lock held by khungtaskd/38:
[ 254.362671][ T38] #0: ffffffff8dfc80c0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
[ 254.362725][ T38] 2 locks held by getty/5554:
[ 254.362731][ T38] #0: ffff88801b7f10a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 254.362774][ T38] #1: ffffc90003cbe2e0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x462/0x13a0
[ 254.362804][ T38] 1 lock held by udevd/5995:
[ 254.362810][ T38] #0: ffff888026a384c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xe0/0xcc0
[ 254.362851][ T38] 1 lock held by syz-executor.0/6028:
[ 254.362857][ T38] #0: ffff888026a384c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x1af/0x660
[ 254.362885][ T38] 1 lock held by syz-executor.0/6064:
[ 254.362891][ T38] #0: ffff888026a384c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xe0/0xcc0
[ 254.362919][ T38] 1 lock held by syz-executor.0/6099:
[ 254.362924][ T38] #0: ffff888026a384c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xe0/0xcc0
[ 254.362952][ T38]
[ 254.362954][ T38] =============================================
[ 254.362954][ T38]
[ 254.362963][ T38] NMI backtrace for cpu 0
[ 254.362976][ T38] CPU: 0 UID: 0 PID: 38 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 254.362988][ T38] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 254.362994][ T38] Call Trace:
[ 254.362998][ T38]
[ 254.363002][ T38] dump_stack_lvl+0xe8/0x150
[ 254.363020][ T38] nmi_cpu_backtrace+0x274/0x2d0
[ 254.363040][ T38] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 254.363073][ T38] nmi_trigger_cpumask_backtrace+0x17a/0x300
[ 254.363091][ T38] sys_info+0x135/0x170
[ 254.363104][ T38] watchdog+0xfd3/0x1030
[ 254.363118][ T38] ? watchdog+0x1c9/0x1030
[ 254.363130][ T38] kthread+0x388/0x470
[ 254.363142][ T38] ? __pfx_watchdog+0x10/0x10
[ 254.363151][ T38] ? __pfx_kthread+0x10/0x10
[ 254.363163][ T38] ret_from_fork+0x514/0xb70
[ 254.363183][ T38] ? __pfx_ret_from_fork+0x10/0x10
[ 254.363199][ T38] ? __switch_to+0xc79/0x1410
[ 254.363213][ T38] ? __pfx_kthread+0x10/0x10
[ 254.363225][ T38] ret_from_fork_asm+0x1a/0x30
[ 254.363243][ T38]
[ 254.363259][ T38] Sending NMI from CPU 0 to CPUs 1:
[ 254.363291][ C1] NMI backtrace for cpu 1
[ 254.363304][ C1] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 254.363322][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 254.363330][ C1] RIP: 0010:pv_native_safe_halt+0xf/0x20
[ 254.363351][ C1] Code: 2b 63 02 e9 43 c7 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 e3 ca 1e 00 fb f4 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90
[ 254.363363][ C1] RSP: 0018:ffffc900001d7e20 EFLAGS: 00000242
[ 254.363376][ C1] RAX: 000000000006c0d5 RBX: ffffffff819980da RCX: 0000000080000001
[ 254.363387][ C1] RDX: 0000000000000001 RSI: ffffffff8d63094a RDI: ffffffff8ba73060
[ 254.363398][ C1] RBP: ffffc900001d7f10 R08: ffff8880b8933e9b R09: 1ffff110171267d3
[ 254.363409][ C1] R10: dffffc0000000000 R11: ffffed10171267d4 R12: 0000000000000001
[ 254.363419][ C1] R13: 1ffff11003a5a000 R14: 0000000000000001 R15: 1ffff11003a5a000
[ 254.363430][ C1] FS: 0000000000000000(0000) GS:ffff888126209000(0000) knlGS:0000000000000000
[ 254.363442][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 254.363453][ C1] CR2: 000055c61ca6d168 CR3: 000000000ddb6000 CR4: 00000000003526f0
[ 254.363467][ C1] Call Trace:
[ 254.363472][ C1]
[ 254.363478][ C1] default_idle+0x9/0x20
[ 254.363498][ C1] default_idle_call+0x72/0xb0
[ 254.363518][ C1] do_idle+0x36a/0x5f0
[ 254.363537][ C1] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 254.363559][ C1] ? __pfx_do_idle+0x10/0x10
[ 254.363579][ C1] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 254.363599][ C1] cpu_startup_entry+0x43/0x60
[ 254.363619][ C1] start_secondary+0x101/0x110
[ 254.363640][ C1] common_startup_64+0x13e/0x147
[ 254.363666][ C1]
[ 254.364304][ T38] Kernel panic - not syncing: hung_task: blocked tasks
[ 254.364313][ T38] CPU: 0 UID: 0 PID: 38 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 254.364330][ T38] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 254.364336][ T38] Call Trace:
[ 254.364340][ T38]
[ 254.364344][ T38] vpanic+0x56c/0xa60
[ 254.364356][ T38] ? __pfx___schedule+0x10/0x10
[ 254.364368][ T38] ? __pfx_vpanic+0x10/0x10
[ 254.364382][ T38] panic+0xc5/0xd0
[ 254.364391][ T38] ? __pfx_panic+0x10/0x10
[ 254.364402][ T38] ? preempt_schedule_thunk+0x16/0x30
[ 254.364418][ T38] ? nmi_trigger_cpumask_backtrace+0x2bb/0x300
[ 254.364436][ T38] watchdog+0x102c/0x1030
[ 254.364449][ T38] ? watchdog+0x1c9/0x1030
[ 254.364461][ T38] kthread+0x388/0x470
[ 254.364473][ T38] ? __pfx_watchdog+0x10/0x10
[ 254.364481][ T38] ? __pfx_kthread+0x10/0x10
[ 254.364493][ T38] ret_from_fork+0x514/0xb70
[ 254.364510][ T38] ? __pfx_ret_from_fork+0x10/0x10
[ 254.364526][ T38] ? __switch_to+0xc79/0x1410
[ 254.364540][ T38] ? __pfx_kthread+0x10/0x10
[ 254.364552][ T38] ret_from_fork_asm+0x1a/0x30
[ 254.364570][ T38]
[ 254.365007][ T38] Kernel Offset: disabled