Warning: Permanently added '10.128.0.13' (ED25519) to the list of known hosts.
2025/12/12 08:50:21 ignoring optional flag "type"="gce"
2025/12/12 08:50:21 parsed 1 programs
2025/12/12 08:50:21 executed programs: 0
[ 108.317234][ T61] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 108.331539][ T61] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 108.333535][ T61] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 108.335195][ T61] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 108.340565][ T61] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 108.652421][ T5941] chnl_net:caif_netlink_parms(): no params data found
[ 109.019847][ T5941] bridge0: port 1(bridge_slave_0) entered blocking state
[ 109.019982][ T5941] bridge0: port 1(bridge_slave_0) entered disabled state
[ 109.020101][ T5941] bridge_slave_0: entered allmulticast mode
[ 109.021575][ T5941] bridge_slave_0: entered promiscuous mode
[ 109.024109][ T5941] bridge0: port 2(bridge_slave_1) entered blocking state
[ 109.024233][ T5941] bridge0: port 2(bridge_slave_1) entered disabled state
[ 109.024329][ T5941] bridge_slave_1: entered allmulticast mode
[ 109.025775][ T5941] bridge_slave_1: entered promiscuous mode
[ 109.172536][ T5941] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 109.175859][ T5941] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 109.361955][ T5941] team0: Port device team_slave_0 added
[ 109.365525][ T5941] team0: Port device team_slave_1 added
[ 109.550958][ T5941] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 109.550974][ T5941] 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.
[ 109.550995][ T5941] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 109.553348][ T5941] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 109.553361][ T5941] 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.
[ 109.553385][ T5941] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 109.967453][ T5941] hsr_slave_0: entered promiscuous mode
[ 109.974909][ T5941] hsr_slave_1: entered promiscuous mode
[ 110.408298][ T5120] Bluetooth: hci0: command tx timeout
[ 111.556929][ T5941] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 111.582192][ T5941] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 111.624443][ T5941] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 111.665341][ T5941] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 111.843894][ T5941] 8021q: adding VLAN 0 to HW filter on device bond0
[ 111.871264][ T5941] 8021q: adding VLAN 0 to HW filter on device team0
[ 111.890549][ T54] bridge0: port 1(bridge_slave_0) entered blocking state
[ 111.891461][ T54] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 111.916931][ T54] bridge0: port 2(bridge_slave_1) entered blocking state
[ 111.917144][ T54] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 112.265839][ T5941] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 112.341766][ T5941] veth0_vlan: entered promiscuous mode
[ 112.360266][ T5941] veth1_vlan: entered promiscuous mode
[ 112.412070][ T5941] veth0_macvtap: entered promiscuous mode
[ 112.425531][ T5941] veth1_macvtap: entered promiscuous mode
[ 112.456332][ T5941] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 112.471874][ T5941] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 112.489431][ T5120] Bluetooth: hci0: command tx timeout
[ 112.494555][ T54] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 112.494792][ T54] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 112.494840][ T54] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 112.494872][ T54] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 112.910926][ T6065] nbd0: detected capacity change from 0 to 10
[ 113.582297][ T5120] block nbd0: Receive control failed (result -104)
[ 114.570639][ T5120] Bluetooth: hci0: command tx timeout
[ 116.648392][ T5120] Bluetooth: hci0: command tx timeout
[ 133.056596][ T1318] ieee802154 phy0 wpan0: encryption failed: -22
[ 133.056702][ T1318] ieee802154 phy1 wpan1: encryption failed: -22
[ 143.328543][ T11] block nbd0: Possible stuck request ffff8880243a7000: control (read@0,4096B). Runtime 30 seconds
2025/12/12 08:51:21 executed programs: 1
[ 168.773727][ T61] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1
[ 168.779416][ T61] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9
[ 168.781660][ T61] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9
[ 168.783081][ T61] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4
[ 168.783879][ T61] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2
[ 169.016444][ T6184] chnl_net:caif_netlink_parms(): no params data found
[ 169.239823][ T6184] bridge0: port 1(bridge_slave_0) entered blocking state
[ 169.239959][ T6184] bridge0: port 1(bridge_slave_0) entered disabled state
[ 169.240292][ T6184] bridge_slave_0: entered allmulticast mode
[ 169.241792][ T6184] bridge_slave_0: entered promiscuous mode
[ 169.244598][ T6184] bridge0: port 2(bridge_slave_1) entered blocking state
[ 169.244720][ T6184] bridge0: port 2(bridge_slave_1) entered disabled state
[ 169.244823][ T6184] bridge_slave_1: entered allmulticast mode
[ 169.246312][ T6184] bridge_slave_1: entered promiscuous mode
[ 169.382684][ T6184] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 169.385349][ T6184] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 169.531701][ T6184] team0: Port device team_slave_0 added
[ 169.534256][ T6184] team0: Port device team_slave_1 added
[ 169.660220][ T6184] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 169.660239][ T6184] 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.
[ 169.660259][ T6184] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 169.661690][ T6184] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 169.661703][ T6184] 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.
[ 169.661724][ T6184] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 169.836725][ T6184] hsr_slave_0: entered promiscuous mode
[ 169.837598][ T6184] hsr_slave_1: entered promiscuous mode
[ 169.839995][ T6184] debugfs: 'hsr0' already exists in 'hsr'
[ 169.840097][ T6184] Cannot create hsr debugfs directory
[ 170.454035][ T6184] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 170.670924][ T6184] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 170.808405][ T5120] Bluetooth: hci1: command tx timeout
[ 170.871700][ T6184] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 171.084860][ T6184] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 171.350408][ T6184] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 171.392096][ T6184] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 171.411697][ T6184] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 171.453544][ T6184] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 171.547243][ T6184] 8021q: adding VLAN 0 to HW filter on device bond0
[ 171.565706][ T6184] 8021q: adding VLAN 0 to HW filter on device team0
[ 171.580678][ T1375] bridge0: port 1(bridge_slave_0) entered blocking state
[ 171.580802][ T1375] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 171.583452][ T1375] bridge0: port 2(bridge_slave_1) entered blocking state
[ 171.583535][ T1375] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 171.797782][ T6184] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 171.847015][ T6184] veth0_vlan: entered promiscuous mode
[ 171.861190][ T6184] veth1_vlan: entered promiscuous mode
[ 171.893001][ T6184] veth0_macvtap: entered promiscuous mode
[ 171.896538][ T6184] veth1_macvtap: entered promiscuous mode
[ 171.927316][ T6184] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 171.951068][ T6184] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 171.957705][ T3561] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 171.960634][ T3561] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 171.960679][ T3561] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 171.960712][ T3561] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 172.888452][ T5120] Bluetooth: hci1: command tx timeout
[ 173.408425][ T11] block nbd0: Possible stuck request ffff8880243a7000: control (read@0,4096B). Runtime 60 seconds
[ 174.968300][ T5120] Bluetooth: hci1: command tx timeout
[ 175.180713][ T5171] udevd[5171]: worker [5943] /devices/virtual/block/nbd0 is taking a long time
[ 177.048479][ T5120] Bluetooth: hci1: command tx timeout
[ 194.491497][ T1318] ieee802154 phy0 wpan0: encryption failed: -22
[ 194.491591][ T1318] ieee802154 phy1 wpan1: encryption failed: -22
[ 203.488449][ T32] block nbd0: Possible stuck request ffff8880243a7000: control (read@0,4096B). Runtime 90 seconds
2025/12/12 08:52:20 executed programs: 2
[ 228.233944][ T61] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1
[ 228.236892][ T61] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9
[ 228.237706][ T61] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9
[ 228.256783][ T61] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4
[ 228.257967][ T61] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2
[ 228.486146][ T6214] chnl_net:caif_netlink_parms(): no params data found
[ 228.739937][ T6214] bridge0: port 1(bridge_slave_0) entered blocking state
[ 228.740079][ T6214] bridge0: port 1(bridge_slave_0) entered disabled state
[ 228.740207][ T6214] bridge_slave_0: entered allmulticast mode
[ 228.741979][ T6214] bridge_slave_0: entered promiscuous mode
[ 228.744413][ T6214] bridge0: port 2(bridge_slave_1) entered blocking state
[ 228.744535][ T6214] bridge0: port 2(bridge_slave_1) entered disabled state
[ 228.744826][ T6214] bridge_slave_1: entered allmulticast mode
[ 228.746319][ T6214] bridge_slave_1: entered promiscuous mode
[ 228.882913][ T6214] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 228.886343][ T6214] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 229.031453][ T6214] team0: Port device team_slave_0 added
[ 229.033764][ T6214] team0: Port device team_slave_1 added
[ 229.180531][ T6214] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 229.180549][ 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.
[ 229.180569][ T6214] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 229.182308][ T6214] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 229.182322][ 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.
[ 229.182342][ T6214] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 229.417341][ T6214] hsr_slave_0: entered promiscuous mode
[ 229.424126][ T6214] hsr_slave_1: entered promiscuous mode
[ 229.425021][ T6214] debugfs: 'hsr0' already exists in 'hsr'
[ 229.425039][ T6214] Cannot create hsr debugfs directory
[ 230.103649][ T6214] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 230.320639][ T6214] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 230.346004][ T5120] Bluetooth: hci2: command tx timeout
[ 230.521231][ T6214] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 230.735259][ T6214] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 230.965677][ T6214] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 230.992229][ T6214] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 231.011962][ T6214] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 231.053695][ T6214] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 231.166577][ T6214] 8021q: adding VLAN 0 to HW filter on device bond0
[ 231.191446][ T6214] 8021q: adding VLAN 0 to HW filter on device team0
[ 231.197144][ T54] bridge0: port 1(bridge_slave_0) entered blocking state
[ 231.197304][ T54] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 231.230424][ T13] bridge0: port 2(bridge_slave_1) entered blocking state
[ 231.230600][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 231.422379][ T6214] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 231.474976][ T6214] veth0_vlan: entered promiscuous mode
[ 231.494121][ T6214] veth1_vlan: entered promiscuous mode
[ 231.524832][ T6214] veth0_macvtap: entered promiscuous mode
[ 231.530469][ T6214] veth1_macvtap: entered promiscuous mode
[ 231.546511][ T6214] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 231.565730][ T6214] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 231.581047][ T3561] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 231.581717][ T3561] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 231.581755][ T3561] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 231.581786][ T3561] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 232.409901][ T5120] Bluetooth: hci0: command 0x0406 tx timeout
[ 232.409944][ T5120] Bluetooth: hci2: command tx timeout
[ 233.568410][ T32] block nbd0: Possible stuck request ffff8880243a7000: control (read@0,4096B). Runtime 120 seconds
[ 234.498303][ T61] Bluetooth: hci2: command tx timeout
[ 236.568870][ T61] Bluetooth: hci2: command tx timeout
[ 255.932908][ T1318] ieee802154 phy0 wpan0: encryption failed: -22
[ 255.932984][ T1318] ieee802154 phy1 wpan1: encryption failed: -22
[ 263.668452][ T32] block nbd0: Possible stuck request ffff8880243a7000: control (read@0,4096B). Runtime 150 seconds
[ 265.528665][ T38] INFO: task syz-executor.0:6059 blocked for more than 143 seconds.
[ 265.528694][ T38] Not tainted syzkaller #0
[ 265.528703][ T38] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 265.528769][ T38] task:syz-executor.0 state:D stack:26600 pid:6059 tgid:6058 ppid:5941 task_flags:0x400140 flags:0x00080803
[ 265.528830][ T38] Call Trace:
[ 265.528843][ T38]
[ 265.528857][ T38] __schedule+0x1480/0x50a0
[ 265.528910][ T38] ? __lock_acquire+0x6b6/0x2cf0
[ 265.528939][ T38] ? sched_clock_cpu+0x74/0x430
[ 265.529016][ T38] ? __pfx_sched_clock_cpu+0x10/0x10
[ 265.529036][ T38] ? __pfx___schedule+0x10/0x10
[ 265.529070][ T38] rt_mutex_schedule+0x77/0xf0
[ 265.529087][ T38] rt_mutex_slowlock_block+0x5ba/0x6d0
[ 265.529116][ T38] ? rt_mutex_slowlock_block+0x351/0x6d0
[ 265.529136][ T38] rt_mutex_slowlock+0x2a8/0x6b0
[ 265.529155][ T38] ? rt_mutex_slowlock+0x1c9/0x6b0
[ 265.529174][ T38] ? __pfx_rt_mutex_slowlock+0x10/0x10
[ 265.529201][ T38] ? bdev_release+0x1af/0x660
[ 265.529231][ T38] ? __fsnotify_parent+0x242/0x540
[ 265.529254][ T38] ? bdev_release+0x1af/0x660
[ 265.529269][ T38] mutex_lock_nested+0x16a/0x1d0
[ 265.529285][ T38] ? __pfx___fsnotify_parent+0x10/0x10
[ 265.529305][ T38] bdev_release+0x1af/0x660
[ 265.529331][ T38] ? __pfx_blkdev_release+0x10/0x10
[ 265.529350][ T38] blkdev_release+0x15/0x20
[ 265.529369][ T38] __fput+0x45b/0xa80
[ 265.529401][ T38] task_work_run+0x1d4/0x260
[ 265.529425][ T38] ? __pfx_task_work_run+0x10/0x10
[ 265.529453][ T38] get_signal+0x11c4/0x1310
[ 265.529476][ T38] arch_do_signal_or_restart+0x9a/0x7a0
[ 265.529492][ T38] ? __pfx_task_work_add+0x10/0x10
[ 265.529507][ T38] ? __pfx_arch_do_signal_or_restart+0x10/0x10
[ 265.529526][ T38] ? __fput_deferred+0x245/0x3e0
[ 265.529540][ T38] ? exit_to_user_mode_loop+0x55/0x4f0
[ 265.529556][ T38] exit_to_user_mode_loop+0x87/0x4f0
[ 265.529571][ T38] ? rcu_is_watching+0x15/0xb0
[ 265.529584][ T38] do_syscall_64+0x2e3/0xf80
[ 265.529599][ T38] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 265.529609][ T38] ? clear_bhb_loop+0x60/0xb0
[ 265.529621][ T38] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 265.529632][ T38] RIP: 0033:0x7f1ba430c899
[ 265.529647][ T38] RSP: 002b:00007f1ba36860c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 265.529659][ T38] RAX: 0000000000000000 RBX: 00007f1ba442bf80 RCX: 00007f1ba430c899
[ 265.529666][ T38] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 265.529672][ T38] RBP: 00007f1ba4368ad0 R08: 0000000000000000 R09: 0000000000000000
[ 265.529678][ T38] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 265.529685][ T38] R13: 000000000000000b R14: 00007f1ba442bf80 R15: 00007ffff400df08
[ 265.529703][ T38]
[ 265.529732][ T38]
[ 265.529732][ T38] Showing all locks held in the system:
[ 265.529742][ T38] 1 lock held by khungtaskd/38:
[ 265.529751][ T38] #0: ffffffff8d5ae880 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
[ 265.529828][ T38] 2 locks held by getty/5564:
[ 265.529834][ T38] #0: ffff88814e9980a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 265.529859][ T38] #1: ffffc90003e8b2e0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x44f/0x1460
[ 265.529887][ T38] 1 lock held by udevd/5943:
[ 265.529892][ T38] #0: ffff88802402a4c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xe0/0xcc0
[ 265.529917][ T38] 1 lock held by syz-executor.0/6059:
[ 265.529922][ T38] #0: ffff88802402a4c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x1af/0x660
[ 265.529945][ T38] 1 lock held by syz-executor.0/6204:
[ 265.529958][ T38] #0: ffff88802402a4c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xe0/0xcc0
[ 265.529981][ T38] 1 lock held by syz-executor.0/6233:
[ 265.529987][ T38] #0: ffff88802402a4c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xe0/0xcc0
[ 265.530009][ T38]
[ 265.530011][ T38] =============================================
[ 265.530011][ T38]
[ 265.530020][ T38] NMI backtrace for cpu 1
[ 265.530034][ T38] CPU: 1 UID: 0 PID: 38 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 265.530045][ T38] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 265.530051][ T38] Call Trace:
[ 265.530056][ T38]
[ 265.530060][ T38] dump_stack_lvl+0x189/0x250
[ 265.530075][ T38] ? __pfx_dump_stack_lvl+0x10/0x10
[ 265.530087][ T38] ? __pfx__printk+0x10/0x10
[ 265.530103][ T38] nmi_cpu_backtrace+0x39e/0x3d0
[ 265.530116][ T38] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 265.530127][ T38] ? __pfx__printk+0x10/0x10
[ 265.530139][ T38] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 265.530150][ T38] nmi_trigger_cpumask_backtrace+0x17a/0x300
[ 265.530162][ T38] sys_info+0x135/0x170
[ 265.530171][ T38] watchdog+0xf95/0xfe0
[ 265.530185][ T38] ? watchdog+0x20a/0xfe0
[ 265.530199][ T38] kthread+0x711/0x8a0
[ 265.530214][ T38] ? __pfx_watchdog+0x10/0x10
[ 265.530226][ T38] ? __pfx_kthread+0x10/0x10
[ 265.530238][ T38] ? rt_spin_unlock+0x150/0x200
[ 265.530251][ T38] ? rt_spin_unlock+0x161/0x200
[ 265.530260][ T38] ? __pfx_kthread+0x10/0x10
[ 265.530273][ T38] ret_from_fork+0x599/0xb30
[ 265.530285][ T38] ? __pfx_ret_from_fork+0x10/0x10
[ 265.530300][ T38] ? __switch_to_asm+0x39/0x70
[ 265.530313][ T38] ? __switch_to_asm+0x33/0x70
[ 265.530325][ T38] ? __pfx_kthread+0x10/0x10
[ 265.530338][ T38] ret_from_fork_asm+0x1a/0x30
[ 265.530359][ T38]
[ 265.530363][ T38] Sending NMI from CPU 1 to CPUs 0:
[ 265.530409][ C0] NMI backtrace for cpu 0
[ 265.530422][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 265.530439][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 265.530447][ C0] RIP: 0010:pv_native_safe_halt+0x13/0x20
[ 265.530467][ C0] Code: 03 ca 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 c3 66 15 00 f3 0f 1e fa fb f4 d8 c9 03 00 cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90
[ 265.530479][ C0] RSP: 0018:ffffffff8d207d80 EFLAGS: 000002c2
[ 265.530492][ C0] RAX: 23eb24652ee63e00 RBX: ffffffff819663da RCX: 23eb24652ee63e00
[ 265.530504][ C0] RDX: 0000000000000001 RSI: ffffffff8ce093ac RDI: ffffffff8b3f4be0
[ 265.530514][ C0] RBP: ffffffff8d207ea8 R08: ffff8880b8833c5b R09: 1ffff1101710678b
[ 265.530525][ C0] R10: dffffc0000000000 R11: ffffed101710678c R12: ffffffff8edb0970
[ 265.530534][ C0] R13: 1ffffffff1a60668 R14: 0000000000000000 R15: 0000000000000000
[ 265.530544][ C0] FS: 0000000000000000(0000) GS:ffff888126d06000(0000) knlGS:0000000000000000
[ 265.530556][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 265.530566][ C0] CR2: 000055c29118d660 CR3: 0000000037274000 CR4: 00000000003526f0
[ 265.530581][ C0] Call Trace:
[ 265.530587][ C0]
[ 265.530592][ C0] default_idle+0x13/0x20
[ 265.530606][ C0] default_idle_call+0x73/0xb0
[ 265.530619][ C0] do_idle+0x1ea/0x520
[ 265.530636][ C0] ? __pfx_do_idle+0x10/0x10
[ 265.530648][ C0] ? _raw_spin_unlock_irqrestore+0x85/0x110
[ 265.530667][ C0] ? lockdep_hardirqs_on+0x98/0x140
[ 265.530684][ C0] ? _raw_spin_unlock_irqrestore+0xad/0x110
[ 265.530720][ C0] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 265.530741][ C0] cpu_startup_entry+0x44/0x60
[ 265.530754][ C0] rest_init+0x2de/0x300
[ 265.530770][ C0] start_kernel+0x3a7/0x400
[ 265.530794][ C0] x86_64_start_reservations+0x24/0x30
[ 265.530821][ C0] x86_64_start_kernel+0x143/0x1c0
[ 265.530839][ C0] common_startup_64+0x13e/0x147
[ 265.530864][ C0]
[ 265.531384][ T38] Kernel panic - not syncing: hung_task: blocked tasks
[ 265.531396][ T38] CPU: 1 UID: 0 PID: 38 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 265.531407][ T38] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 265.531413][ T38] Call Trace:
[ 265.531417][ T38]
[ 265.531421][ T38] dump_stack_lvl+0x99/0x250
[ 265.531434][ T38] ? __asan_memcpy+0x40/0x70
[ 265.531448][ T38] ? __pfx_dump_stack_lvl+0x10/0x10
[ 265.531460][ T38] ? __pfx__printk+0x10/0x10
[ 265.531475][ T38] vpanic+0x237/0x6d0
[ 265.531488][ T38] ? __pfx_vpanic+0x10/0x10
[ 265.531505][ T38] panic+0xb9/0xc0
[ 265.531518][ T38] ? __pfx_panic+0x10/0x10
[ 265.531535][ T38] ? nmi_trigger_cpumask_backtrace+0x234/0x300
[ 265.531547][ T38] watchdog+0xfdf/0xfe0
[ 265.531560][ T38] ? watchdog+0x20a/0xfe0
[ 265.531574][ T38] kthread+0x711/0x8a0
[ 265.531589][ T38] ? __pfx_watchdog+0x10/0x10
[ 265.531599][ T38] ? __pfx_kthread+0x10/0x10
[ 265.531611][ T38] ? rt_spin_unlock+0x150/0x200
[ 265.531624][ T38] ? rt_spin_unlock+0x161/0x200
[ 265.531633][ T38] ? __pfx_kthread+0x10/0x10
[ 265.531647][ T38] ret_from_fork+0x599/0xb30
[ 265.531658][ T38] ? __pfx_ret_from_fork+0x10/0x10
[ 265.531673][ T38] ? __switch_to_asm+0x39/0x70
[ 265.531686][ T38] ? __switch_to_asm+0x33/0x70
[ 265.531699][ T38] ? __pfx_kthread+0x10/0x10
[ 265.531716][ T38] ret_from_fork_asm+0x1a/0x30
[ 265.531736][ T38]
[ 265.532328][ T38] Kernel Offset: disabled