Warning: Permanently added '10.128.0.180' (ED25519) to the list of known hosts. 2025/07/12 12:22:22 ignoring optional flag "sandboxArg"="0" 2025/07/12 12:22:22 ignoring optional flag "type"="gce" 2025/07/12 12:22:22 parsed 1 programs 2025/07/12 12:22:22 executed programs: 0 [ 96.862960][ T51] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 96.871799][ T51] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 96.879803][ T51] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 96.889156][ T51] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 96.898848][ T51] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 97.040068][ T6174] chnl_net:caif_netlink_parms(): no params data found [ 97.111406][ T6174] bridge0: port 1(bridge_slave_0) entered blocking state [ 97.118657][ T6174] bridge0: port 1(bridge_slave_0) entered disabled state [ 97.126300][ T6174] bridge_slave_0: entered allmulticast mode [ 97.134435][ T6174] bridge_slave_0: entered promiscuous mode [ 97.145375][ T6174] bridge0: port 2(bridge_slave_1) entered blocking state [ 97.152549][ T6174] bridge0: port 2(bridge_slave_1) entered disabled state [ 97.159658][ T6174] bridge_slave_1: entered allmulticast mode [ 97.166826][ T6174] bridge_slave_1: entered promiscuous mode [ 97.193662][ T6174] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 97.205194][ T6174] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 97.236279][ T6174] team0: Port device team_slave_0 added [ 97.244518][ T6174] team0: Port device team_slave_1 added [ 97.270074][ T6174] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 97.277098][ T6174] 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. [ 97.303933][ T6174] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 97.315901][ T6174] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 97.322897][ T6174] 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. [ 97.348895][ T6174] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 97.390115][ T6174] hsr_slave_0: entered promiscuous mode [ 97.397038][ T6174] hsr_slave_1: entered promiscuous mode [ 97.988270][ T6174] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 98.001436][ T6174] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 98.013953][ T6174] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 98.029551][ T6174] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 98.153903][ T6174] 8021q: adding VLAN 0 to HW filter on device bond0 [ 98.179435][ T6174] 8021q: adding VLAN 0 to HW filter on device team0 [ 98.195685][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 98.202993][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 98.235824][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 98.243042][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 98.494451][ T6174] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 98.548781][ T6174] veth0_vlan: entered promiscuous mode [ 98.569014][ T6174] veth1_vlan: entered promiscuous mode [ 98.608700][ T6174] veth0_macvtap: entered promiscuous mode [ 98.625444][ T6174] veth1_macvtap: entered promiscuous mode [ 98.646708][ T6174] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 98.658628][ T6174] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 98.686315][ T2992] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 98.697545][ T2992] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 98.716574][ T2992] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 98.736354][ T2992] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 98.806577][ T12] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 98.820757][ T12] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 98.859481][ T2992] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 98.867401][ T2992] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 98.932429][ T5169] Bluetooth: hci0: command tx timeout [ 101.008902][ T5169] Bluetooth: hci0: command tx timeout [ 103.082060][ T5169] Bluetooth: hci0: command tx timeout [ 105.161662][ T5169] Bluetooth: hci0: command tx timeout [ 132.845205][ T1303] ieee802154 phy0 wpan0: encryption failed: -22 [ 132.851723][ T1303] ieee802154 phy1 wpan1: encryption failed: -22 [ 194.284247][ T1303] ieee802154 phy0 wpan0: encryption failed: -22 [ 194.290532][ T1303] ieee802154 phy1 wpan1: encryption failed: -22 [ 221.961750][ T51] Bluetooth: hci0: command 0x0406 tx timeout [ 255.724633][ T1303] ieee802154 phy0 wpan0: encryption failed: -22 [ 255.730952][ T1303] ieee802154 phy1 wpan1: encryption failed: -22 [ 258.281799][ T31] INFO: task syz-executor.0:6174 blocked for more than 143 seconds. [ 258.289795][ T31] Not tainted 6.16.0-rc5-next-20250711-syzkaller-09053-ga62b7a37e6fc #0 [ 258.298757][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 258.307466][ T31] task:syz-executor.0 state:D stack:21704 pid:6174 tgid:6174 ppid:1 task_flags:0x400140 flags:0x00004006 [ 258.319436][ T31] Call Trace: [ 258.322943][ T31] [ 258.325895][ T31] __schedule+0x16f5/0x4d00 [ 258.330411][ T31] ? __lock_acquire+0xab9/0xd20 [ 258.335324][ T31] ? schedule+0x165/0x360 [ 258.339680][ T31] ? __pfx___schedule+0x10/0x10 [ 258.344589][ T31] ? schedule+0x91/0x360 [ 258.348835][ T31] schedule+0x165/0x360 [ 258.353024][ T31] schedule_preempt_disabled+0x13/0x30 [ 258.358484][ T31] rwsem_down_read_slowpath+0x5fd/0x8f0 [ 258.364127][ T31] ? rwsem_down_read_slowpath+0x4b8/0x8f0 [ 258.369856][ T31] ? __pfx_rwsem_down_read_slowpath+0x10/0x10 [ 258.375988][ T31] ? lookup_slow+0x46/0x70 [ 258.380424][ T31] down_read+0x98/0x2e0 [ 258.384634][ T31] lookup_slow+0x46/0x70 [ 258.388880][ T31] link_path_walk+0x935/0xea0 [ 258.393631][ T31] path_openat+0x28c/0x3830 [ 258.398152][ T31] ? arch_stack_walk+0xfc/0x150 [ 258.403133][ T31] ? schedule+0x165/0x360 [ 258.407470][ T31] ? __pfx_path_openat+0x10/0x10 [ 258.412430][ T31] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 258.418513][ T31] do_filp_open+0x1fa/0x410 [ 258.423347][ T31] ? __lock_acquire+0xab9/0xd20 [ 258.428215][ T31] ? __pfx_do_filp_open+0x10/0x10 [ 258.433295][ T31] ? _raw_spin_unlock+0x28/0x50 [ 258.438336][ T31] ? alloc_fd+0x64c/0x6c0 [ 258.442700][ T31] do_sys_openat2+0x121/0x1c0 [ 258.447425][ T31] ? __pfx_do_sys_openat2+0x10/0x10 [ 258.452650][ T31] ? __se_sys_clock_nanosleep+0x2f1/0x380 [ 258.458381][ T31] __x64_sys_openat+0x138/0x170 [ 258.463286][ T31] do_syscall_64+0xfa/0x3b0 [ 258.467791][ T31] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 258.474053][ T31] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 258.480208][ T31] ? clear_bhb_loop+0x60/0xb0 [ 258.484921][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 258.490902][ T31] RIP: 0033:0x7f951a27c311 [ 258.495363][ T31] RSP: 002b:00007ffd65186340 EFLAGS: 00000287 ORIG_RAX: 0000000000000101 [ 258.503837][ T31] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f951a27c311 [ 258.511873][ T31] RDX: 0000000000090800 RSI: 00007f951a2d7b46 RDI: 00000000ffffff9c [ 258.519860][ T31] RBP: 00007ffd6518640c R08: 0000000000000000 R09: 7fffffffffffffff [ 258.528250][ T31] R10: 0000000000000000 R11: 0000000000000287 R12: 0000000000000000 [ 258.536304][ T31] R13: 0000000000018589 R14: 0000000000018248 R15: 0000000000000009 [ 258.544320][ T31] [ 258.547348][ T31] INFO: task syz-executor.0:6237 blocked for more than 143 seconds. [ 258.555407][ T31] Not tainted 6.16.0-rc5-next-20250711-syzkaller-09053-ga62b7a37e6fc #0 [ 258.564318][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 258.573008][ T31] task:syz-executor.0 state:D stack:25080 pid:6237 tgid:6236 ppid:6174 task_flags:0x400140 flags:0x00004006 [ 258.584960][ T31] Call Trace: [ 258.588249][ T31] [ 258.591179][ T31] __schedule+0x16f5/0x4d00 [ 258.595732][ T31] ? do_raw_spin_lock+0x121/0x290 [ 258.600771][ T31] ? schedule+0x165/0x360 [ 258.605146][ T31] ? __lock_acquire+0xab9/0xd20 [ 258.609995][ T31] ? __pfx___schedule+0x10/0x10 [ 258.614913][ T31] ? schedule+0x91/0x360 [ 258.619176][ T31] schedule+0x165/0x360 [ 258.623381][ T31] __fuse_simple_request+0xf15/0x18d0 [ 258.628949][ T31] ? __pfx___fuse_simple_request+0x10/0x10 [ 258.634812][ T31] ? __pfx_autoremove_wake_function+0x10/0x10 [ 258.640887][ T31] ? __pfx_autoremove_wake_function+0x10/0x10 [ 258.647031][ T31] ? __pfx_autoremove_wake_function+0x10/0x10 [ 258.653150][ T31] ? __kasan_kmalloc+0x93/0xb0 [ 258.657927][ T31] fuse_lookup_name+0x34c/0x860 [ 258.662810][ T31] ? __pfx_fuse_lookup_name+0x10/0x10 [ 258.668185][ T31] ? seqcount_lockdep_reader_access+0x122/0x1c0 [ 258.674466][ T31] ? fuse_lock_inode+0xd3/0x120 [ 258.679327][ T31] ? d_alloc_parallel+0x2f0/0x15e0 [ 258.684474][ T31] ? d_alloc_parallel+0x14ae/0x15e0 [ 258.689676][ T31] fuse_lookup+0x1e9/0x640 [ 258.694128][ T31] ? __pfx_fuse_lookup+0x10/0x10 [ 258.699075][ T31] ? __raw_spin_lock_init+0x45/0x100 [ 258.704409][ T31] ? __init_waitqueue_head+0xa9/0x150 [ 258.709874][ T31] __lookup_slow+0x294/0x3d0 [ 258.714490][ T31] ? __pfx___lookup_slow+0x10/0x10 [ 258.719618][ T31] ? down_read+0x1ad/0x2e0 [ 258.724064][ T31] lookup_slow+0x53/0x70 [ 258.728324][ T31] link_path_walk+0x935/0xea0 [ 258.733356][ T31] path_openat+0x28c/0x3830 [ 258.737897][ T31] ? arch_stack_walk+0xfc/0x150 [ 258.742806][ T31] ? __pfx_path_openat+0x10/0x10 [ 258.747764][ T31] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 258.753920][ T31] do_filp_open+0x1fa/0x410 [ 258.758435][ T31] ? __lock_acquire+0xab9/0xd20 [ 258.763344][ T31] ? __pfx_do_filp_open+0x10/0x10 [ 258.768386][ T31] ? _raw_spin_unlock+0x28/0x50 [ 258.773273][ T31] ? alloc_fd+0x64c/0x6c0 [ 258.777628][ T31] do_sys_openat2+0x121/0x1c0 [ 258.782354][ T31] ? __pfx_do_sys_openat2+0x10/0x10 [ 258.787553][ T31] ? exc_page_fault+0x76/0xf0 [ 258.792280][ T31] ? do_user_addr_fault+0xc8a/0x1390 [ 258.797591][ T31] __x64_sys_openat+0x138/0x170 [ 258.802490][ T31] do_syscall_64+0xfa/0x3b0 [ 258.807011][ T31] ? lockdep_hardirqs_on+0x9c/0x150 [ 258.812281][ T31] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 258.818351][ T31] ? clear_bhb_loop+0x60/0xb0 [ 258.823073][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 258.828982][ T31] RIP: 0033:0x7f951a27b560 [ 258.833715][ T31] RSP: 002b:00007f951aeefc00 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 [ 258.842290][ T31] RAX: ffffffffffffffda RBX: 0000000000004000 RCX: 00007f951a27b560 [ 258.850284][ T31] RDX: 0000000000004000 RSI: 00007f951aeefca0 RDI: 00000000ffffff9c [ 258.858311][ T31] RBP: 00007f951aeefca0 R08: 0000000000000000 R09: 0000000000000000 [ 258.866424][ T31] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 [ 258.874436][ T31] R13: 000000000000000b R14: 00007f951a39bf80 R15: 00007ffd65186098 [ 258.882541][ T31] [ 258.885560][ T31] INFO: task syz-executor.0:6239 blocked for more than 143 seconds. [ 258.893673][ T31] Not tainted 6.16.0-rc5-next-20250711-syzkaller-09053-ga62b7a37e6fc #0 [ 258.902557][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 258.911216][ T31] task:syz-executor.0 state:D stack:27816 pid:6239 tgid:6236 ppid:6174 task_flags:0x400040 flags:0x00004006 [ 258.923225][ T31] Call Trace: [ 258.926537][ T31] [ 258.929453][ T31] __schedule+0x16f5/0x4d00 [ 258.934302][ T31] ? __lock_acquire+0xab9/0xd20 [ 258.939502][ T31] ? schedule+0x165/0x360 [ 258.943993][ T31] ? __pfx___schedule+0x10/0x10 [ 258.948858][ T31] ? schedule+0x91/0x360 [ 258.953208][ T31] schedule+0x165/0x360 [ 258.957373][ T31] schedule_preempt_disabled+0x13/0x30 [ 258.962875][ T31] rwsem_down_write_slowpath+0xbec/0x1030 [ 258.968603][ T31] ? rwsem_down_write_slowpath+0x7ec/0x1030 [ 258.974587][ T31] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 258.980746][ T31] ? __lock_acquire+0xab9/0xd20 [ 258.985651][ T31] ? fuse_reverse_inval_entry+0x5d/0x720 [ 258.991311][ T31] ? ilookup5+0x130/0x150 [ 258.995721][ T31] down_write_nested+0x1b5/0x200 [ 259.000903][ T31] ? __pfx_down_write_nested+0x10/0x10 [ 259.006622][ T31] ? fuse_dev_do_write+0x3e84/0x4da0 [ 259.011977][ T31] fuse_reverse_inval_entry+0x5d/0x720 [ 259.017433][ T31] ? down_read+0x1ad/0x2e0 [ 259.021906][ T31] fuse_dev_do_write+0x3ea7/0x4da0 [ 259.027048][ T31] ? __lock_acquire+0xab9/0xd20 [ 259.031945][ T31] ? __pfx_fuse_dev_do_write+0x10/0x10 [ 259.037754][ T31] ? aa_file_perm+0x13e/0x11b0 [ 259.042645][ T31] ? aa_file_perm+0x13e/0x11b0 [ 259.047425][ T31] ? aa_file_perm+0x3ed/0x11b0 [ 259.052323][ T31] ? __pfx___futex_wait+0x10/0x10 [ 259.057358][ T31] ? _raw_spin_unlock_irqrestore+0xad/0x110 [ 259.063505][ T31] ? __pfx_aa_file_perm+0x10/0x10 [ 259.068558][ T31] ? __pfx_futex_wake_mark+0x10/0x10 [ 259.073905][ T31] ? try_to_wake_up+0x7e5/0x1290 [ 259.078939][ T31] fuse_dev_write+0x146/0x1d0 [ 259.083671][ T31] ? __pfx_fuse_dev_write+0x10/0x10 [ 259.088899][ T31] ? bpf_lsm_file_permission+0x9/0x20 [ 259.094301][ T31] ? security_file_permission+0x75/0x290 [ 259.100031][ T31] vfs_write+0x548/0xa90 [ 259.104332][ T31] ? __pfx_fuse_dev_write+0x10/0x10 [ 259.109536][ T31] ? __pfx_vfs_write+0x10/0x10 [ 259.114343][ T31] ? __fget_files+0x2a/0x420 [ 259.118940][ T31] ksys_write+0x145/0x250 [ 259.123315][ T31] ? __pfx_ksys_write+0x10/0x10 [ 259.128254][ T31] ? rcu_is_watching+0x15/0xb0 [ 259.133147][ T31] ? do_syscall_64+0xbe/0x3b0 [ 259.137833][ T31] do_syscall_64+0xfa/0x3b0 [ 259.142699][ T31] ? lockdep_hardirqs_on+0x9c/0x150 [ 259.147911][ T31] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 259.154029][ T31] ? clear_bhb_loop+0x60/0xb0 [ 259.158703][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 259.164712][ T31] RIP: 0033:0x7f951a27c859 [ 259.169131][ T31] RSP: 002b:00007f95195fe0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 259.177592][ T31] RAX: ffffffffffffffda RBX: 00007f951a39c050 RCX: 00007f951a27c859 [ 259.185619][ T31] RDX: 000000000000002c RSI: 00000000200000c0 RDI: 0000000000000003 [ 259.193674][ T31] RBP: 00007f951a2d8ad0 R08: 0000000000000000 R09: 0000000000000000 [ 259.201723][ T31] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 259.209696][ T31] R13: 000000000000006e R14: 00007f951a39c050 R15: 00007ffd65186098 [ 259.217752][ T31] [ 259.220790][ T31] [ 259.220790][ T31] Showing all locks held in the system: [ 259.228564][ T31] 1 lock held by khungtaskd/31: [ 259.233444][ T31] #0: ffffffff8e13c5a0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 [ 259.243625][ T31] 2 locks held by getty/5610: [ 259.248304][ T31] #0: ffff88814d9870a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 259.258087][ T31] #1: ffffc9000331e2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x43e/0x1400 [ 259.268244][ T31] 1 lock held by syz-executor.0/6174: [ 259.273722][ T31] #0: ffff888072040148 (&type->i_mutex_dir_key#8){++++}-{4:4}, at: lookup_slow+0x46/0x70 [ 259.283712][ T31] 2 locks held by syz-executor.0/6237: [ 259.289151][ T31] #0: ffff888072040148 (&type->i_mutex_dir_key#8){++++}-{4:4}, at: lookup_slow+0x46/0x70 [ 259.299101][ T31] #1: ffff888072040608 (&fi->mutex){+.+.}-{4:4}, at: fuse_lock_inode+0xd3/0x120 [ 259.308394][ T31] 2 locks held by syz-executor.0/6239: [ 259.313902][ T31] #0: ffff888077e8a328 (&fc->killsb){.+.+}-{4:4}, at: fuse_dev_do_write+0x3e84/0x4da0 [ 259.323698][ T31] #1: ffff888072040148 (&type->i_mutex_dir_key#8/1){+.+.}-{4:4}, at: fuse_reverse_inval_entry+0x5d/0x720 [ 259.335093][ T31] [ 259.337428][ T31] ============================================= [ 259.337428][ T31] [ 259.346273][ T31] NMI backtrace for cpu 0 [ 259.346295][ T31] CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted 6.16.0-rc5-next-20250711-syzkaller-09053-ga62b7a37e6fc #0 PREEMPT(full) [ 259.346314][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 259.346324][ T31] Call Trace: [ 259.346330][ T31] [ 259.346338][ T31] dump_stack_lvl+0x189/0x250 [ 259.346359][ T31] ? __wake_up_klogd+0xd9/0x110 [ 259.346380][ T31] ? __pfx_dump_stack_lvl+0x10/0x10 [ 259.346397][ T31] ? __pfx__printk+0x10/0x10 [ 259.346426][ T31] nmi_cpu_backtrace+0x39e/0x3d0 [ 259.346447][ T31] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 259.346462][ T31] ? _printk+0xcf/0x120 [ 259.346485][ T31] ? __pfx__printk+0x10/0x10 [ 259.346507][ T31] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 259.346531][ T31] nmi_trigger_cpumask_backtrace+0x17a/0x300 [ 259.346551][ T31] watchdog+0xfee/0x1030 [ 259.346573][ T31] ? watchdog+0x1de/0x1030 [ 259.346600][ T31] kthread+0x711/0x8a0 [ 259.346623][ T31] ? __pfx_watchdog+0x10/0x10 [ 259.346643][ T31] ? __pfx_kthread+0x10/0x10 [ 259.346663][ T31] ? _raw_spin_unlock_irq+0x23/0x50 [ 259.346682][ T31] ? lockdep_hardirqs_on+0x9c/0x150 [ 259.346700][ T31] ? __pfx_kthread+0x10/0x10 [ 259.346720][ T31] ret_from_fork+0x3f9/0x770 [ 259.346738][ T31] ? __pfx_ret_from_fork+0x10/0x10 [ 259.346758][ T31] ? __switch_to_asm+0x39/0x70 [ 259.346775][ T31] ? __switch_to_asm+0x33/0x70 [ 259.346791][ T31] ? __pfx_kthread+0x10/0x10 [ 259.346807][ T31] ret_from_fork_asm+0x1a/0x30 [ 259.346833][ T31] [ 259.346841][ T31] Sending NMI from CPU 0 to CPUs 1: [ 259.505372][ C1] NMI backtrace for cpu 1 [ 259.505388][ C1] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 6.16.0-rc5-next-20250711-syzkaller-09053-ga62b7a37e6fc #0 PREEMPT(full) [ 259.505405][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 259.505414][ C1] RIP: 0010:pv_native_safe_halt+0x13/0x20 [ 259.505436][ C1] Code: d3 de 02 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 33 f5 0d 00 f3 0f 1e fa fb f4 cc cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 [ 259.505447][ C1] RSP: 0018:ffffc90000197de0 EFLAGS: 000002c6 [ 259.505461][ C1] RAX: 53330896dd1a9300 RBX: ffffffff8196cfd8 RCX: 53330896dd1a9300 [ 259.505472][ C1] RDX: 0000000000000001 RSI: ffffffff8d9b8598 RDI: ffffffff8be347c0 [ 259.505481][ C1] RBP: ffffc90000197f20 R08: ffff8880b8732f9b R09: 1ffff110170e65f3 [ 259.505492][ C1] R10: dffffc0000000000 R11: ffffed10170e65f4 R12: ffffffff8fa3bb30 [ 259.505502][ C1] R13: 0000000000000001 R14: 0000000000000001 R15: 1ffff11003a53b40 [ 259.505512][ C1] FS: 0000000000000000(0000) GS:ffff888125cc6000(0000) knlGS:0000000000000000 [ 259.505523][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 259.505539][ C1] CR2: 000055ada83a6168 CR3: 000000000df36000 CR4: 00000000003526f0 [ 259.505552][ C1] Call Trace: [ 259.505558][ C1] [ 259.505563][ C1] default_idle+0x13/0x20 [ 259.505581][ C1] default_idle_call+0x74/0xb0 [ 259.505599][ C1] do_idle+0x1e8/0x510 [ 259.505617][ C1] ? __pfx_do_idle+0x10/0x10 [ 259.505638][ C1] cpu_startup_entry+0x44/0x60 [ 259.505652][ C1] start_secondary+0x101/0x110 [ 259.505670][ C1] common_startup_64+0x13e/0x147 [ 259.505693][ C1] [ 259.670437][ T31] Kernel panic - not syncing: hung_task: blocked tasks [ 259.677293][ T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted 6.16.0-rc5-next-20250711-syzkaller-09053-ga62b7a37e6fc #0 PREEMPT(full) [ 259.690296][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 259.700340][ T31] Call Trace: [ 259.703612][ T31] [ 259.706551][ T31] dump_stack_lvl+0x99/0x250 [ 259.711146][ T31] ? __asan_memcpy+0x40/0x70 [ 259.715729][ T31] ? __pfx_dump_stack_lvl+0x10/0x10 [ 259.720949][ T31] ? __pfx__printk+0x10/0x10 [ 259.725544][ T31] vpanic+0x281/0x750 [ 259.729534][ T31] ? __pfx_vpanic+0x10/0x10 [ 259.734031][ T31] ? __x2apic_send_IPI_mask+0x1e4/0x260 [ 259.739575][ T31] ? preempt_schedule+0xae/0xc0 [ 259.744434][ T31] ? preempt_schedule_common+0x83/0xd0 [ 259.749918][ T31] panic+0xb9/0xc0 [ 259.753716][ T31] ? __pfx_panic+0x10/0x10 [ 259.758129][ T31] ? preempt_schedule_thunk+0x16/0x30 [ 259.763503][ T31] ? nmi_trigger_cpumask_backtrace+0x2bb/0x300 [ 259.769658][ T31] watchdog+0x102d/0x1030 [ 259.773980][ T31] ? watchdog+0x1de/0x1030 [ 259.778394][ T31] kthread+0x711/0x8a0 [ 259.782459][ T31] ? __pfx_watchdog+0x10/0x10 [ 259.787125][ T31] ? __pfx_kthread+0x10/0x10 [ 259.791713][ T31] ? _raw_spin_unlock_irq+0x23/0x50 [ 259.796895][ T31] ? lockdep_hardirqs_on+0x9c/0x150 [ 259.802337][ T31] ? __pfx_kthread+0x10/0x10 [ 259.806915][ T31] ret_from_fork+0x3f9/0x770 [ 259.811491][ T31] ? __pfx_ret_from_fork+0x10/0x10 [ 259.816593][ T31] ? __switch_to_asm+0x39/0x70 [ 259.821345][ T31] ? __switch_to_asm+0x33/0x70 [ 259.826125][ T31] ? __pfx_kthread+0x10/0x10 [ 259.830711][ T31] ret_from_fork_asm+0x1a/0x30 [ 259.835906][ T31] [ 259.839230][ T31] Kernel Offset: disabled [ 259.843538][ T31] Rebooting in 86400 seconds..