Warning: Permanently added '10.128.1.116' (ED25519) to the list of known hosts. 2025/12/25 10:50:57 ignoring optional flag "type"="gce" 2025/12/25 10:50:57 parsed 1 programs [ 71.730598][ T1421] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.737506][ T1421] ieee802154 phy1 wpan1: encryption failed: -22 2025/12/25 10:50:59 executed programs: 0 [ 72.977924][ T4453] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 73.108333][ T4508] chnl_net:caif_netlink_parms(): no params data found [ 73.143970][ T4508] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.151425][ T4508] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.159586][ T4508] device bridge_slave_0 entered promiscuous mode [ 73.167814][ T4508] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.175194][ T4508] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.183446][ T4508] device bridge_slave_1 entered promiscuous mode [ 73.202108][ T4508] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 73.213141][ T4508] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 73.234946][ T4508] team0: Port device team_slave_0 added [ 73.242418][ T4508] team0: Port device team_slave_1 added [ 73.258730][ T4508] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 73.266018][ T4508] 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 1560 would solve the problem. [ 73.292522][ T4508] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 73.305466][ T4508] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 73.312703][ T4508] 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 1560 would solve the problem. [ 73.340384][ T4508] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 73.373436][ T4508] device hsr_slave_0 entered promiscuous mode [ 73.380755][ T4508] device hsr_slave_1 entered promiscuous mode [ 73.963715][ T4508] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 73.974473][ T4508] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 73.987642][ T4508] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 73.999266][ T4508] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 74.024673][ T4508] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.031827][ T4508] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.039353][ T4508] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.046463][ T4508] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.100213][ T4508] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.115988][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.124718][ T155] bridge0: port 1(bridge_slave_0) entered disabled state [ 74.134506][ T155] bridge0: port 2(bridge_slave_1) entered disabled state [ 74.145012][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 74.162544][ T4508] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.174834][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.184671][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.194256][ T155] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.201388][ T155] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.226517][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.235824][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.244687][ T155] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.252442][ T155] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.263560][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 74.281952][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 74.292468][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 74.302881][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.312043][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 74.323361][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.339960][ T4508] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 74.350816][ T4508] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 74.363501][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.373088][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 74.383472][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 74.393544][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 74.403202][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 74.418438][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 74.528093][ T1270] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 74.536098][ T1270] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 74.549042][ T4508] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 74.569161][ T1270] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 74.578276][ T1270] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 74.599874][ T1270] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 74.608641][ T1270] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 74.618771][ T1270] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 74.627000][ T1270] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 74.635103][ T4508] device veth0_vlan entered promiscuous mode [ 74.648618][ T4508] device veth1_vlan entered promiscuous mode [ 74.669584][ T1270] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 74.678116][ T1270] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 74.686763][ T1270] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 74.696238][ T1270] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 74.706925][ T4508] device veth0_macvtap entered promiscuous mode [ 74.717837][ T4508] device veth1_macvtap entered promiscuous mode [ 74.738707][ T4508] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 74.746263][ T1270] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 74.755020][ T1270] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 74.765178][ T1270] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 74.774829][ T1270] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 74.788828][ T4508] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 74.797132][ T1270] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 74.806741][ T1270] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 74.820130][ T4508] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.829933][ T4508] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.839510][ T4508] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.850308][ T4508] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.086606][ T4207] Bluetooth: hci0: command 0x0409 tx timeout [ 76.848495][ T1107] cfg80211: failed to load regulatory.db [ 77.166284][ T1107] Bluetooth: hci0: command 0x041b tx timeout [ 79.245929][ T4207] Bluetooth: hci0: command 0x040f tx timeout [ 81.325549][ T7] Bluetooth: hci0: command 0x0419 tx timeout [ 133.168097][ T1421] ieee802154 phy0 wpan0: encryption failed: -22 [ 133.174785][ T1421] ieee802154 phy1 wpan1: encryption failed: -22 [ 194.616780][ T1421] ieee802154 phy0 wpan0: encryption failed: -22 [ 194.623500][ T1421] ieee802154 phy1 wpan1: encryption failed: -22 [ 196.685546][ T1324] Bluetooth: hci0: command 0x0406 tx timeout [ 233.008470][ T27] INFO: task syz-executor.0:4508 blocked for more than 143 seconds. [ 233.017500][ T27] Not tainted syzkaller #0 [ 233.022458][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 233.031591][ T27] task:syz-executor.0 state:D stack:21440 pid: 4508 ppid: 1 flags:0x00004006 [ 233.041159][ T27] Call Trace: [ 233.044495][ T27] [ 233.047509][ T27] __schedule+0x11bb/0x4390 [ 233.052203][ T27] ? rcu_lock_acquire+0x30/0x30 [ 233.057236][ T27] ? __mutex_lock_common+0xc6c/0x2390 [ 233.062647][ T27] ? release_firmware_map_entry+0x190/0x190 [ 233.068717][ T27] ? __lock_acquire+0x7c60/0x7c60 [ 233.073866][ T27] ? __mutex_trylock_common+0x80/0x250 [ 233.079471][ T27] ? rcu_lock_release+0x20/0x20 [ 233.084339][ T27] schedule+0x11b/0x1e0 [ 233.088597][ T27] schedule_preempt_disabled+0xf/0x20 [ 233.094263][ T27] __mutex_lock_common+0xc71/0x2390 [ 233.099522][ T27] ? fuse_lock_inode+0xcd/0x120 [ 233.104404][ T27] ? mutex_lock_io_nested+0x60/0x60 [ 233.109773][ T27] ? rcu_lock_release+0x5/0x20 [ 233.115000][ T27] mutex_lock_nested+0x17/0x20 [ 233.120019][ T27] fuse_lock_inode+0xcd/0x120 [ 233.125067][ T27] fuse_lookup+0xd4/0x5a0 [ 233.129663][ T27] ? fuse_perm_getattr+0x50/0x50 [ 233.134661][ T27] ? __init_waitqueue_head+0xa5/0x150 [ 233.140205][ T27] __lookup_slow+0x27d/0x3d0 [ 233.144923][ T27] ? lookup_one_len+0x2c0/0x2c0 [ 233.149901][ T27] ? seqcount_lockdep_reader_access+0x11f/0x1c0 [ 233.156287][ T27] ? preempt_count_add+0x8d/0x190 [ 233.161492][ T27] ? down_read+0x1aa/0x2e0 [ 233.166077][ T27] lookup_slow+0x53/0x70 [ 233.170427][ T27] walk_component+0x319/0x460 [ 233.175598][ T27] link_path_walk+0x662/0xd40 [ 233.180316][ T27] ? handle_lookup_down+0x130/0x130 [ 233.185703][ T27] ? percpu_counter_add_batch+0x13b/0x160 [ 233.191546][ T27] path_openat+0x27d/0x2f30 [ 233.196138][ T27] ? __kasan_slab_alloc+0xb3/0xd0 [ 233.201178][ T27] ? __kasan_slab_alloc+0x9c/0xd0 [ 233.206559][ T27] ? slab_post_alloc_hook+0x4c/0x380 [ 233.211956][ T27] ? verify_lock_unused+0x140/0x140 [ 233.217462][ T27] ? __x64_sys_openat+0x135/0x160 [ 233.222613][ T27] ? do_filp_open+0x3e0/0x3e0 [ 233.227558][ T27] do_filp_open+0x1b3/0x3e0 [ 233.232086][ T27] ? vfs_tmpfile+0x300/0x300 [ 233.236853][ T27] ? _raw_spin_unlock+0x24/0x40 [ 233.241940][ T27] ? alloc_fd+0x598/0x630 [ 233.246463][ T27] do_sys_openat2+0x142/0x4a0 [ 233.251162][ T27] ? __lock_acquire+0x7c60/0x7c60 [ 233.256440][ T27] ? do_sys_open+0xe0/0xe0 [ 233.260873][ T27] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 233.267191][ T27] ? lock_chain_count+0x20/0x20 [ 233.272142][ T27] ? vtime_user_exit+0x2dc/0x400 [ 233.277120][ T27] __x64_sys_openat+0x135/0x160 [ 233.282212][ T27] do_syscall_64+0x4c/0xa0 [ 233.286714][ T27] ? clear_bhb_loop+0x30/0x80 [ 233.291492][ T27] ? clear_bhb_loop+0x30/0x80 [ 233.296247][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 233.302345][ T27] RIP: 0033:0x7f069e7ff581 [ 233.307104][ T27] RSP: 002b:00007ffe3bfa8880 EFLAGS: 00000287 ORIG_RAX: 0000000000000101 [ 233.315940][ T27] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f069e7ff581 [ 233.324143][ T27] RDX: 0000000000090800 RSI: 00007f069e84a45d RDI: 00000000ffffff9c [ 233.332202][ T27] RBP: 00007ffe3bfa894c R08: 0000000000000000 R09: 0033c083b73a948c [ 233.340855][ T27] R10: 0000000000000000 R11: 0000000000000287 R12: 0000000000000000 [ 233.349190][ T27] R13: 00000000000124c7 R14: 000000000001247c R15: 0000000000000006 [ 233.357465][ T27] [ 233.360654][ T27] INFO: task syz-executor.0:4609 blocked for more than 143 seconds. [ 233.368981][ T27] Not tainted syzkaller #0 [ 233.373927][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 233.383244][ T27] task:syz-executor.0 state:D stack:25520 pid: 4609 ppid: 4508 flags:0x00004006 [ 233.393052][ T27] Call Trace: [ 233.396394][ T27] [ 233.399403][ T27] __schedule+0x11bb/0x4390 [ 233.403910][ T27] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 233.409996][ T27] ? lock_chain_count+0x20/0x20 [ 233.414963][ T27] ? __rwlock_init+0x140/0x140 [ 233.419979][ T27] ? _raw_spin_lock_irqsave+0x7f/0xf0 [ 233.425464][ T27] ? _raw_spin_unlock_irqrestore+0x82/0x100 [ 233.431652][ T27] ? lockdep_hardirqs_on+0x94/0x140 [ 233.436932][ T27] ? release_firmware_map_entry+0x190/0x190 [ 233.442841][ T27] ? __might_sleep+0xf0/0xf0 [ 233.447839][ T27] ? do_raw_spin_lock+0x11d/0x280 [ 233.452921][ T27] schedule+0x11b/0x1e0 [ 233.457359][ T27] fuse_simple_request+0x10e7/0x19c0 [ 233.462671][ T27] ? link_path_walk+0x662/0xd40 [ 233.468024][ T27] ? path_openat+0x27d/0x2f30 [ 233.472728][ T27] ? fuse_put_request+0x2d0/0x2d0 [ 233.477815][ T27] ? init_wait_entry+0xd0/0xd0 [ 233.482618][ T27] ? init_wait_entry+0xd0/0xd0 [ 233.487867][ T27] ? init_wait_entry+0xd0/0xd0 [ 233.492996][ T27] fuse_lookup_name+0x279/0x700 [ 233.497938][ T27] ? mark_lock+0x94/0x320 [ 233.502294][ T27] ? fuse_invalid_attr+0x110/0x110 [ 233.507481][ T27] ? mutex_lock_io_nested+0x60/0x60 [ 233.512829][ T27] ? rcu_lock_release+0x5/0x20 [ 233.517725][ T27] ? mutex_lock_nested+0x17/0x20 [ 233.522860][ T27] fuse_lookup+0x13b/0x5a0 [ 233.527387][ T27] ? fuse_perm_getattr+0x50/0x50 [ 233.532610][ T27] ? __init_waitqueue_head+0xa5/0x150 [ 233.538035][ T27] __lookup_slow+0x27d/0x3d0 [ 233.542844][ T27] ? lookup_one_len+0x2c0/0x2c0 [ 233.547834][ T27] ? seqcount_lockdep_reader_access+0x11f/0x1c0 [ 233.554288][ T27] ? preempt_count_add+0x8d/0x190 [ 233.559454][ T27] ? down_read+0x1aa/0x2e0 [ 233.563926][ T27] lookup_slow+0x53/0x70 [ 233.568359][ T27] walk_component+0x319/0x460 [ 233.573231][ T27] link_path_walk+0x662/0xd40 [ 233.578047][ T27] ? handle_lookup_down+0x130/0x130 [ 233.583346][ T27] ? percpu_counter_add_batch+0x13b/0x160 [ 233.589258][ T27] path_openat+0x27d/0x2f30 [ 233.593914][ T27] ? __kasan_slab_alloc+0xb3/0xd0 [ 233.599194][ T27] ? __kasan_slab_alloc+0x9c/0xd0 [ 233.604502][ T27] ? slab_post_alloc_hook+0x4c/0x380 [ 233.610080][ T27] ? verify_lock_unused+0x140/0x140 [ 233.615430][ T27] ? __x64_sys_openat+0x135/0x160 [ 233.620476][ T27] ? do_filp_open+0x3e0/0x3e0 [ 233.625513][ T27] do_filp_open+0x1b3/0x3e0 [ 233.630126][ T27] ? vfs_tmpfile+0x300/0x300 [ 233.634765][ T27] ? _raw_spin_unlock+0x24/0x40 [ 233.639701][ T27] ? alloc_fd+0x598/0x630 [ 233.644141][ T27] do_sys_openat2+0x142/0x4a0 [ 233.649190][ T27] ? __lock_acquire+0x7c60/0x7c60 [ 233.654369][ T27] ? do_sys_open+0xe0/0xe0 [ 233.659163][ T27] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 233.665274][ T27] ? lock_chain_count+0x20/0x20 [ 233.670321][ T27] ? vtime_user_exit+0x2dc/0x400 [ 233.675255][ T27] __x64_sys_openat+0x135/0x160 [ 233.680401][ T27] do_syscall_64+0x4c/0xa0 [ 233.684812][ T27] ? clear_bhb_loop+0x30/0x80 [ 233.689600][ T27] ? clear_bhb_loop+0x30/0x80 [ 233.694557][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 233.700594][ T27] RIP: 0033:0x7f069e7fe720 [ 233.705140][ T27] RSP: 002b:00007f069db5fe20 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 [ 233.713766][ T27] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f069e7fe720 [ 233.722244][ T27] RDX: 0000000000000002 RSI: 00007f069db5ff40 RDI: 00000000ffffff9c [ 233.730490][ T27] RBP: 00007f069db5ff40 R08: 0000000000000000 R09: 00000000000004a0 [ 233.738704][ T27] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000004 [ 233.746736][ T27] R13: 00007f069db5ff3c R14: 00007f069db5ff40 R15: 00007f0695740000 [ 233.754799][ T27] [ 233.758080][ T27] [ 233.758080][ T27] Showing all locks held in the system: [ 233.766072][ T27] 1 lock held by khungtaskd/27: [ 233.770943][ T27] #0: ffffffff8c11c720 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 [ 233.780689][ T27] 1 lock held by klogd/3548: [ 233.785571][ T27] #0: ffff8880b903a358 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x26/0x140 [ 233.795859][ T27] 2 locks held by getty/3954: [ 233.800541][ T27] #0: ffff88814cfdc098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 [ 233.810758][ T27] #1: ffffc90002cf62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x5ba/0x1a30 [ 233.821306][ T27] 2 locks held by syz-executor.0/4508: [ 233.827215][ T27] #0: ffff88806f768150 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: lookup_slow+0x46/0x70 [ 233.837280][ T27] #1: ffff88806f7685b8 (&fi->mutex){+.+.}-{3:3}, at: fuse_lock_inode+0xcd/0x120 [ 233.846600][ T27] 2 locks held by syz-executor.0/4609: [ 233.852187][ T27] #0: ffff88806f768150 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: lookup_slow+0x46/0x70 [ 233.862525][ T27] #1: ffff88806f7685b8 (&fi->mutex){+.+.}-{3:3}, at: fuse_lock_inode+0xcd/0x120 [ 233.872393][ T27] [ 233.874789][ T27] ============================================= [ 233.874789][ T27] [ 233.883409][ T27] NMI backtrace for cpu 1 [ 233.887928][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0 [ 233.895468][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 233.905818][ T27] Call Trace: [ 233.909122][ T27] [ 233.912056][ T27] dump_stack_lvl+0x168/0x230 [ 233.917117][ T27] ? show_regs_print_info+0x20/0x20 [ 233.922522][ T27] ? load_image+0x3b0/0x3b0 [ 233.927265][ T27] ? nmi_cpu_backtrace+0x1b6/0x3d0 [ 233.932561][ T27] nmi_cpu_backtrace+0x397/0x3d0 [ 233.937504][ T27] ? nmi_trigger_cpumask_backtrace+0x280/0x280 [ 233.943649][ T27] ? _printk+0xcc/0x110 [ 233.947828][ T27] ? load_image+0x3b0/0x3b0 [ 233.952438][ T27] ? load_image+0x3b0/0x3b0 [ 233.957124][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 233.963413][ T27] nmi_trigger_cpumask_backtrace+0x163/0x280 [ 233.969405][ T27] watchdog+0xe0f/0xe50 [ 233.973849][ T27] kthread+0x436/0x520 [ 233.977932][ T27] ? hungtask_pm_notify+0x40/0x40 [ 233.982969][ T27] ? kthread_blkcg+0xd0/0xd0 [ 233.987686][ T27] ret_from_fork+0x1f/0x30 [ 233.992100][ T27] [ 233.995232][ T27] Sending NMI from CPU 1 to CPUs 0: [ 234.000493][ C0] NMI backtrace for cpu 0 [ 234.000507][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 [ 234.000521][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 234.000529][ C0] RIP: 0010:tick_irq_enter+0x1/0x460 [ 234.000553][ C0] Code: 00 00 fc ff df e9 e6 fe ff ff e8 aa 83 0c 00 49 bc 00 00 00 00 00 fc ff df e9 fd fc ff ff 66 2e 0f 1f 84 00 00 00 00 00 90 55 <48> 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 81 ec c0 00 00 [ 234.000565][ C0] RSP: 0018:ffffc90000007fd0 EFLAGS: 00000046 [ 234.000578][ C0] RAX: 0000000000010000 RBX: ffffffff8bebc480 RCX: 1ae0bdcc1a35bc00 [ 234.000588][ C0] RDX: 0000000000000000 RSI: ffffffff8a59e7e0 RDI: ffffffff8bebc480 [ 234.000598][ C0] RBP: 00000000817dec01 R08: dffffc0000000000 R09: fffffbfff1ad26b6 [ 234.000608][ C0] R10: fffffbfff1ad26b6 R11: ffffc90000007ff8 R12: 0000000000000000 [ 234.000617][ C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 234.000626][ C0] FS: 0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 [ 234.000638][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 234.000647][ C0] CR2: 0000564be8bb0660 CR3: 000000001e126000 CR4: 00000000003506f0 [ 234.000660][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 234.000668][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 234.000676][ C0] Call Trace: [ 234.000682][ C0] [ 234.000687][ C0] irq_enter_rcu+0x9a/0xe0 [ 234.000703][ C0] sysvec_apic_timer_interrupt+0x93/0xc0 [ 234.000723][ C0] [ 234.000726][ C0] [ 234.000731][ C0] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 234.000747][ C0] RIP: 0010:default_idle+0xb/0x10 [ 234.000761][ C0] Code: bf 48 89 df e8 c6 03 11 f8 eb b5 e8 ef b5 f6 ff 00 00 cc cc 00 00 cc cc 00 00 cc cc 00 00 cc 66 90 0f 00 2d 17 93 5a 00 fb f4 0f 1f 40 00 41 57 41 56 53 49 be 00 00 00 00 00 fc ff df 65 48 [ 234.000770][ C0] RSP: 0018:ffffffff8be07dc8 EFLAGS: 000002c6 [ 234.000781][ C0] RAX: 1ae0bdcc1a35bc00 RBX: ffffffff8bebc480 RCX: 1ae0bdcc1a35bc00 [ 234.000791][ C0] RDX: 0000000000000001 RSI: ffffffff8a0b1be0 RDI: ffffffff8a59e800 [ 234.000800][ C0] RBP: ffffffff8be07ef8 R08: dffffc0000000000 R09: ffffed1017207662 [ 234.000810][ C0] R10: ffffed1017207662 R11: 1ffff11017207661 R12: ffffffff8d6935a8 [ 234.000820][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 1ffffffff17d7890 [ 234.000837][ C0] default_idle_call+0x81/0xc0 [ 234.000849][ C0] do_idle+0x21b/0x5b0 [ 234.000868][ C0] ? idle_inject_timer_fn+0x60/0x60 [ 234.000883][ C0] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 234.000902][ C0] cpu_startup_entry+0x14/0x20 [ 234.000915][ C0] ? time_init+0x40/0x40 [ 234.000931][ C0] start_kernel+0x486/0x530 [ 234.000948][ C0] secondary_startup_64_no_verify+0xb1/0xbb [ 234.000972][ C0] [ 234.001486][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 234.290900][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0 [ 234.298175][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 234.308453][ T27] Call Trace: [ 234.311728][ T27] [ 234.314755][ T27] dump_stack_lvl+0x168/0x230 [ 234.319762][ T27] ? show_regs_print_info+0x20/0x20 [ 234.325021][ T27] ? load_image+0x3b0/0x3b0 [ 234.329533][ T27] panic+0x2c9/0x7f0 [ 234.333521][ T27] ? bpf_jit_dump+0xd0/0xd0 [ 234.338235][ T27] ? load_image+0x3b0/0x3b0 [ 234.343035][ T27] ? irq_work_queue+0xbf/0x140 [ 234.347794][ T27] watchdog+0xe4e/0xe50 [ 234.351940][ T27] kthread+0x436/0x520 [ 234.356095][ T27] ? hungtask_pm_notify+0x40/0x40 [ 234.361127][ T27] ? kthread_blkcg+0xd0/0xd0 [ 234.365714][ T27] ret_from_fork+0x1f/0x30 [ 234.370133][ T27] [ 234.373599][ T27] Kernel Offset: disabled [ 234.377930][ T27] Rebooting in 86400 seconds..