Warning: Permanently added '10.128.0.172' (ED25519) to the list of known hosts. 2026/01/03 23:21:19 parsed 1 programs [ 108.323848][ T5851] cgroup: Unknown subsys name 'net' [ 108.457801][ T5851] cgroup: Unknown subsys name 'cpuset' [ 108.466149][ T5851] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 109.911505][ T5851] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 112.634141][ T5858] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [ 113.058075][ T73] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 113.066168][ T73] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 113.110608][ T3550] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 113.118629][ T3550] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 115.287570][ T5909] chnl_net:caif_netlink_parms(): no params data found [ 115.363520][ T5909] bridge0: port 1(bridge_slave_0) entered blocking state [ 115.371483][ T5909] bridge0: port 1(bridge_slave_0) entered disabled state [ 115.379120][ T5909] bridge_slave_0: entered allmulticast mode [ 115.386732][ T5909] bridge_slave_0: entered promiscuous mode [ 115.396006][ T5909] bridge0: port 2(bridge_slave_1) entered blocking state [ 115.403194][ T5909] bridge0: port 2(bridge_slave_1) entered disabled state [ 115.410541][ T5909] bridge_slave_1: entered allmulticast mode [ 115.418077][ T5909] bridge_slave_1: entered promiscuous mode [ 115.448744][ T5909] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 115.460395][ T5909] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 115.491941][ T5909] team0: Port device team_slave_0 added [ 115.499949][ T5909] team0: Port device team_slave_1 added [ 115.527517][ T5909] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 115.534766][ T5909] 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. [ 115.561942][ T5909] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 115.575101][ T5909] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 115.582245][ T5909] 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. [ 115.608726][ T5909] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 115.651688][ T5909] hsr_slave_0: entered promiscuous mode [ 115.658337][ T5909] hsr_slave_1: entered promiscuous mode [ 115.820948][ T5909] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 115.837962][ T5909] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 115.847909][ T5909] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 115.859213][ T5909] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 115.892534][ T5909] bridge0: port 2(bridge_slave_1) entered blocking state [ 115.899808][ T5909] bridge0: port 2(bridge_slave_1) entered forwarding state [ 115.908004][ T5909] bridge0: port 1(bridge_slave_0) entered blocking state [ 115.915261][ T5909] bridge0: port 1(bridge_slave_0) entered forwarding state [ 115.973983][ T5909] 8021q: adding VLAN 0 to HW filter on device bond0 [ 115.996084][ T1160] bridge0: port 1(bridge_slave_0) entered disabled state [ 116.005352][ T1160] bridge0: port 2(bridge_slave_1) entered disabled state [ 116.021531][ T5909] 8021q: adding VLAN 0 to HW filter on device team0 [ 116.037090][ T73] bridge0: port 1(bridge_slave_0) entered blocking state [ 116.044366][ T73] bridge0: port 1(bridge_slave_0) entered forwarding state [ 116.060958][ T73] bridge0: port 2(bridge_slave_1) entered blocking state [ 116.068143][ T73] bridge0: port 2(bridge_slave_1) entered forwarding state [ 116.235120][ T5909] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 116.278110][ T5909] veth0_vlan: entered promiscuous mode [ 116.290231][ T5909] veth1_vlan: entered promiscuous mode [ 116.320748][ T5909] veth0_macvtap: entered promiscuous mode [ 116.330245][ T5909] veth1_macvtap: entered promiscuous mode [ 116.350012][ T5909] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 116.370673][ T5909] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 116.388344][ T73] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 116.399165][ T73] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 116.410590][ T73] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 116.425118][ T73] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 116.537486][ T5935] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 116.549862][ T5935] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 116.558487][ T5935] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 116.567920][ T5935] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 116.581827][ T5935] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 116.590459][ T36] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 116.686036][ T36] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 116.766411][ T36] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 116.852832][ T36] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2026/01/03 23:21:30 executed programs: 0 [ 117.612428][ T53] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 117.621427][ T53] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 117.629725][ T53] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 117.643103][ T53] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 117.651070][ T53] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 117.815044][ T5959] chnl_net:caif_netlink_parms(): no params data found [ 117.886988][ T5959] bridge0: port 1(bridge_slave_0) entered blocking state [ 117.894670][ T5959] bridge0: port 1(bridge_slave_0) entered disabled state [ 117.901957][ T5959] bridge_slave_0: entered allmulticast mode [ 117.909472][ T5959] bridge_slave_0: entered promiscuous mode [ 117.918604][ T5959] bridge0: port 2(bridge_slave_1) entered blocking state [ 117.925978][ T5959] bridge0: port 2(bridge_slave_1) entered disabled state [ 117.933386][ T5959] bridge_slave_1: entered allmulticast mode [ 117.940759][ T5959] bridge_slave_1: entered promiscuous mode [ 117.979466][ T5959] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 117.992809][ T5959] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 118.029426][ T5959] team0: Port device team_slave_0 added [ 118.038894][ T5959] team0: Port device team_slave_1 added [ 118.071429][ T5959] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 118.078562][ T5959] 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. [ 118.105320][ T5959] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 118.119402][ T5959] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 118.126671][ T5959] 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. [ 118.153001][ T5959] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 118.199345][ T5959] hsr_slave_0: entered promiscuous mode [ 118.205904][ T5959] hsr_slave_1: entered promiscuous mode [ 118.212041][ T5959] debugfs: 'hsr0' already exists in 'hsr' [ 118.218013][ T5959] Cannot create hsr debugfs directory [ 119.538171][ T36] bridge_slave_1: left allmulticast mode [ 119.543988][ T36] bridge_slave_1: left promiscuous mode [ 119.552484][ T36] bridge0: port 2(bridge_slave_1) entered disabled state [ 119.566315][ T36] bridge_slave_0: left allmulticast mode [ 119.572092][ T36] bridge_slave_0: left promiscuous mode [ 119.579264][ T36] bridge0: port 1(bridge_slave_0) entered disabled state [ 119.717846][ T5935] Bluetooth: hci0: command tx timeout [ 119.828365][ T36] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 119.840880][ T36] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 119.851057][ T36] bond0 (unregistering): Released all slaves [ 119.949360][ T36] hsr_slave_0: left promiscuous mode [ 119.959550][ T36] hsr_slave_1: left promiscuous mode [ 119.966374][ T36] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 119.975747][ T36] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 119.988888][ T36] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 119.996508][ T36] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 120.018269][ T36] veth1_macvtap: left promiscuous mode [ 120.024076][ T36] veth0_macvtap: left promiscuous mode [ 120.030211][ T36] veth1_vlan: left promiscuous mode [ 120.041357][ T36] veth0_vlan: left promiscuous mode [ 120.504159][ T36] team0 (unregistering): Port device team_slave_1 removed [ 120.537158][ T36] team0 (unregistering): Port device team_slave_0 removed [ 121.089039][ T5959] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 121.105907][ T5959] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 121.118533][ T5959] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 121.132072][ T5959] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 121.511601][ T5959] 8021q: adding VLAN 0 to HW filter on device bond0 [ 121.602793][ T5959] 8021q: adding VLAN 0 to HW filter on device team0 [ 121.661613][ T3550] bridge0: port 1(bridge_slave_0) entered blocking state [ 121.669078][ T3550] bridge0: port 1(bridge_slave_0) entered forwarding state [ 121.709751][ T73] bridge0: port 2(bridge_slave_1) entered blocking state [ 121.716932][ T73] bridge0: port 2(bridge_slave_1) entered forwarding state [ 121.796623][ T5935] Bluetooth: hci0: command tx timeout [ 122.088953][ T5959] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 122.131709][ T5959] veth0_vlan: entered promiscuous mode [ 122.143026][ T5959] veth1_vlan: entered promiscuous mode [ 122.170682][ T5959] veth0_macvtap: entered promiscuous mode [ 122.179799][ T5959] veth1_macvtap: entered promiscuous mode [ 122.200401][ T5959] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 122.214711][ T5959] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 122.230273][ T36] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 122.240701][ T36] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 122.250324][ T36] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 122.260348][ T36] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 122.318799][ T36] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 122.331969][ T36] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 122.362964][ T36] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 122.372188][ T36] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 123.885145][ T5935] Bluetooth: hci0: command tx timeout [ 125.415774][ T6019] ------------[ cut here ]------------ [ 125.416373][ T6019] [ 125.416379][ T6019] ====================================================== [ 125.416382][ T6019] WARNING: possible circular locking dependency detected [ 125.416393][ T6019] syzkaller #0 Not tainted [ 125.416398][ T6019] ------------------------------------------------------ [ 125.416401][ T6019] syz.0.17/6019 is trying to acquire lock: [ 125.416406][ T6019] ffffffff8e133180 (console_owner){....}-{0:0}, at: console_flush_all+0x131/0xb60 [ 125.416437][ T6019] [ 125.416437][ T6019] but task is already holding lock: [ 125.416440][ T6019] ffff8880b863ab18 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 [ 125.416461][ T6019] [ 125.416461][ T6019] which lock already depends on the new lock. [ 125.416461][ T6019] [ 125.416464][ T6019] [ 125.416464][ T6019] the existing dependency chain (in reverse order) is: [ 125.416467][ T6019] [ 125.416467][ T6019] -> #4 (&rq->__lock){-.-.}-{2:2}: [ 125.416479][ T6019] _raw_spin_lock_nested+0x32/0x50 [ 125.416491][ T6019] raw_spin_rq_lock_nested+0x2a/0x140 [ 125.416499][ T6019] task_rq_lock+0xbc/0x470 [ 125.416507][ T6019] cgroup_move_task+0x92/0x2a0 [ 125.416518][ T6019] css_set_move_task+0x658/0x9e0 [ 125.416526][ T6019] cgroup_post_fork+0x1ef/0x7a0 [ 125.416534][ T6019] copy_process+0x3614/0x3950 [ 125.416543][ T6019] kernel_clone+0x21e/0x820 [ 125.416551][ T6019] user_mode_thread+0xdd/0x140 [ 125.416560][ T6019] rest_init+0x23/0x300 [ 125.416568][ T6019] start_kernel+0x3ac/0x400 [ 125.416577][ T6019] x86_64_start_reservations+0x24/0x30 [ 125.416589][ T6019] x86_64_start_kernel+0x143/0x1c0 [ 125.416600][ T6019] common_startup_64+0x13e/0x147 [ 125.416611][ T6019] [ 125.416611][ T6019] -> #3 (&p->pi_lock){-.-.}-{2:2}: [ 125.416622][ T6019] _raw_spin_lock_irqsave+0xa7/0xf0 [ 125.416632][ T6019] try_to_wake_up+0x67/0x12b0 [ 125.416644][ T6019] __wake_up_common_lock+0x137/0x1f0 [ 125.416655][ T6019] tty_port_default_wakeup+0xfb/0x170 [ 125.416667][ T6019] serial8250_tx_chars+0x72e/0x970 [ 125.416676][ T6019] serial8250_handle_irq+0x633/0xbb0 [ 125.416684][ T6019] serial8250_default_handle_irq+0xbf/0x200 [ 125.416694][ T6019] serial8250_interrupt+0x8d/0x180 [ 125.416707][ T6019] __handle_irq_event_percpu+0x285/0xa60 [ 125.416719][ T6019] handle_irq_event+0x8b/0x1e0 [ 125.416730][ T6019] handle_edge_irq+0x23b/0xa10 [ 125.416741][ T6019] __common_interrupt+0x141/0x1f0 [ 125.416757][ T6019] common_interrupt+0x5e/0xe0 [ 125.416769][ T6019] asm_common_interrupt+0x26/0x40 [ 125.416780][ T6019] handle_softirqs+0x1b0/0x850 [ 125.416791][ T6019] __irq_exit_rcu+0xca/0x1f0 [ 125.416802][ T6019] irq_exit_rcu+0x9/0x30 [ 125.416812][ T6019] sysvec_apic_timer_interrupt+0xa6/0xc0 [ 125.416825][ T6019] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 125.416837][ T6019] pv_native_safe_halt+0x13/0x20 [ 125.416850][ T6019] default_idle+0x13/0x20 [ 125.416859][ T6019] default_idle_call+0x73/0xb0 [ 125.416869][ T6019] do_idle+0x1ea/0x520 [ 125.416880][ T6019] cpu_startup_entry+0x44/0x60 [ 125.416892][ T6019] rest_init+0x2de/0x300 [ 125.416901][ T6019] start_kernel+0x3ac/0x400 [ 125.416912][ T6019] x86_64_start_reservations+0x24/0x30 [ 125.416927][ T6019] x86_64_start_kernel+0x143/0x1c0 [ 125.416941][ T6019] common_startup_64+0x13e/0x147 [ 125.416954][ T6019] [ 125.416954][ T6019] -> #2 (&tty->write_wait){-.-.}-{3:3}: [ 125.416970][ T6019] _raw_spin_lock_irqsave+0xa7/0xf0 [ 125.416983][ T6019] __wake_up_common_lock+0x2f/0x1f0 [ 125.416997][ T6019] tty_port_default_wakeup+0xfb/0x170 [ 125.417010][ T6019] serial8250_tx_chars+0x72e/0x970 [ 125.417021][ T6019] serial8250_handle_irq+0x633/0xbb0 [ 125.417032][ T6019] serial8250_default_handle_irq+0xbf/0x200 [ 125.417046][ T6019] serial8250_interrupt+0x8d/0x180 [ 125.417061][ T6019] __handle_irq_event_percpu+0x285/0xa60 [ 125.417087][ T6019] handle_irq_event+0x8b/0x1e0 [ 125.417101][ T6019] handle_edge_irq+0x23b/0xa10 [ 125.417114][ T6019] __common_interrupt+0x141/0x1f0 [ 125.417129][ T6019] common_interrupt+0xb6/0xe0 [ 125.417140][ T6019] asm_common_interrupt+0x26/0x40 [ 125.417150][ T6019] _raw_spin_unlock_irqrestore+0xa8/0x110 [ 125.417163][ T6019] uart_port_unlock_deref+0x111/0x2f0 [ 125.417174][ T6019] uart_write+0xe8/0x130 [ 125.417184][ T6019] n_tty_write+0xd78/0x12a0 [ 125.417198][ T6019] file_tty_write+0x559/0xa20 [ 125.417208][ T6019] vfs_write+0x5c9/0xb30 [ 125.417219][ T6019] ksys_write+0x145/0x250 [ 125.417229][ T6019] do_syscall_64+0xfa/0xf80 [ 125.417243][ T6019] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 125.417254][ T6019] [ 125.417254][ T6019] -> #1 (&port_lock_key){-.-.}-{3:3}: [ 125.417269][ T6019] _raw_spin_lock_irqsave+0xa7/0xf0 [ 125.417282][ T6019] serial8250_console_write+0x17e/0x1ba0 [ 125.417294][ T6019] console_flush_all+0x745/0xb60 [ 125.417309][ T6019] console_unlock+0xbb/0x190 [ 125.417321][ T6019] vprintk_emit+0x4f8/0x5f0 [ 125.417334][ T6019] _printk+0xcf/0x120 [ 125.417348][ T6019] register_console+0xa8b/0xf90 [ 125.417363][ T6019] univ8250_console_init+0x3a/0x70 [ 125.417379][ T6019] console_init+0xfc/0x3f0 [ 125.417394][ T6019] start_kernel+0x252/0x400 [ 125.417405][ T6019] x86_64_start_reservations+0x24/0x30 [ 125.417419][ T6019] x86_64_start_kernel+0x143/0x1c0 [ 125.417434][ T6019] common_startup_64+0x13e/0x147 [ 125.417447][ T6019] [ 125.417447][ T6019] -> #0 (console_owner){....}-{0:0}: [ 125.417462][ T6019] __lock_acquire+0x15a6/0x2cf0 [ 125.417473][ T6019] lock_acquire+0x117/0x340 [ 125.417483][ T6019] console_flush_all+0x6ee/0xb60 [ 125.417497][ T6019] console_unlock+0xbb/0x190 [ 125.417509][ T6019] vprintk_emit+0x4f8/0x5f0 [ 125.417522][ T6019] _printk+0xcf/0x120 [ 125.417534][ T6019] __report_bug+0x305/0x500 [ 125.417544][ T6019] report_bug+0x16a/0x220 [ 125.417553][ T6019] handle_bug+0x98/0x200 [ 125.417559][ T6019] exc_invalid_op+0x1a/0x50 [ 125.417566][ T6019] asm_exc_invalid_op+0x1a/0x20 [ 125.417573][ T6019] sched_change_end+0x4f6/0x640 [ 125.417584][ T6019] rt_mutex_setprio+0x488/0xb70 [ 125.417590][ T6019] remove_waiter+0x7f5/0xaf0 [ 125.417598][ T6019] rt_mutex_cleanup_proxy_lock+0x6c/0x100 [ 125.417606][ T6019] futex_lock_pi+0x530/0xa90 [ 125.417617][ T6019] do_futex+0x292/0x420 [ 125.417625][ T6019] __se_sys_futex+0x36f/0x400 [ 125.417633][ T6019] do_syscall_64+0xfa/0xf80 [ 125.417643][ T6019] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 125.417651][ T6019] [ 125.417651][ T6019] other info that might help us debug this: [ 125.417651][ T6019] [ 125.417654][ T6019] Chain exists of: [ 125.417654][ T6019] console_owner --> &p->pi_lock --> &rq->__lock [ 125.417654][ T6019] [ 125.417667][ T6019] Possible unsafe locking scenario: [ 125.417667][ T6019] [ 125.417670][ T6019] CPU0 CPU1 [ 125.417673][ T6019] ---- ---- [ 125.417676][ T6019] lock(&rq->__lock); [ 125.417681][ T6019] lock(&p->pi_lock); [ 125.417687][ T6019] lock(&rq->__lock); [ 125.417693][ T6019] lock(console_owner); [ 125.417698][ T6019] [ 125.417698][ T6019] *** DEADLOCK *** [ 125.417698][ T6019] [ 125.417701][ T6019] 5 locks held by syz.0.17/6019: [ 125.417706][ T6019] #0: ffff888076551b28 (&pi_futex_key){....}-{2:2}, at: rt_mutex_cleanup_proxy_lock+0x23/0x100 [ 125.417727][ T6019] #1: ffff88803194a8e8 (&p->pi_lock){-.-.}-{2:2}, at: remove_waiter+0x286/0xaf0 [ 125.417746][ T6019] #2: ffff8880b863ab18 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 [ 125.417766][ T6019] #3: ffffffff8e1331e0 (console_lock){+.+.}-{0:0}, at: _printk+0xcf/0x120 [ 125.417789][ T6019] #4: ffffffff8e01aa98 (console_srcu){....}-{0:0}, at: console_flush_all+0x131/0xb60 [ 125.417811][ T6019] [ 125.417811][ T6019] stack backtrace: [ 125.417829][ T6019] CPU: 1 UID: 0 PID: 6019 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) [ 125.417843][ T6019] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 125.417857][ T6019] Call Trace: [ 125.417862][ T6019] [ 125.417866][ T6019] dump_stack_lvl+0x189/0x250 [ 125.417879][ T6019] ? __pfx_dump_stack_lvl+0x10/0x10 [ 125.417890][ T6019] ? __pfx__printk+0x10/0x10 [ 125.417902][ T6019] ? print_lock_name+0xde/0x100 [ 125.417915][ T6019] print_circular_bug+0x2e2/0x300 [ 125.417926][ T6019] check_noncircular+0x12e/0x150 [ 125.417939][ T6019] __lock_acquire+0x15a6/0x2cf0 [ 125.417952][ T6019] ? console_flush_all+0x131/0xb60 [ 125.417963][ T6019] lock_acquire+0x117/0x340 [ 125.417971][ T6019] ? console_flush_all+0x131/0xb60 [ 125.417984][ T6019] ? do_raw_spin_unlock+0x122/0x240 [ 125.417996][ T6019] ? console_flush_all+0x131/0xb60 [ 125.418007][ T6019] console_flush_all+0x6ee/0xb60 [ 125.418018][ T6019] ? console_flush_all+0x131/0xb60 [ 125.418030][ T6019] ? console_flush_all+0x131/0xb60 [ 125.418043][ T6019] ? __pfx_console_flush_all+0x10/0x10 [ 125.418056][ T6019] ? is_printk_cpu_sync_owner+0x32/0x40 [ 125.418070][ T6019] console_unlock+0xbb/0x190 [ 125.418085][ T6019] ? __pfx___down_trylock_console_sem+0x10/0x10 [ 125.418097][ T6019] ? __pfx_console_unlock+0x10/0x10 [ 125.418109][ T6019] vprintk_emit+0x4f8/0x5f0 [ 125.418120][ T6019] ? __pfx_vprintk_emit+0x10/0x10 [ 125.418131][ T6019] ? __lock_acquire+0x6b6/0x2cf0 [ 125.418140][ T6019] ? __lock_acquire+0x6b6/0x2cf0 [ 125.418150][ T6019] _printk+0xcf/0x120 [ 125.418163][ T6019] ? __pfx__printk+0x10/0x10 [ 125.418176][ T6019] ? find_bug+0xa5/0x370 [ 125.418185][ T6019] ? sched_change_end+0x4f6/0x640 [ 125.418196][ T6019] ? sched_change_end+0x4f6/0x640 [ 125.418206][ T6019] __report_bug+0x305/0x500 [ 125.418217][ T6019] ? sched_change_end+0x4f6/0x640 [ 125.418228][ T6019] ? __pfx___report_bug+0x10/0x10 [ 125.418239][ T6019] ? rcu_read_lock_sched_held+0x89/0x100 [ 125.418250][ T6019] ? __pfx_rcu_read_lock_sched_held+0x10/0x10 [ 125.418263][ T6019] ? sched_change_end+0x4f6/0x640 [ 125.418274][ T6019] report_bug+0x16a/0x220 [ 125.418284][ T6019] ? sched_change_end+0x4f6/0x640 [ 125.418294][ T6019] ? sched_change_end+0x4f8/0x640 [ 125.418304][ T6019] handle_bug+0x98/0x200 [ 125.418311][ T6019] exc_invalid_op+0x1a/0x50 [ 125.418319][ T6019] asm_exc_invalid_op+0x1a/0x20 [ 125.418327][ T6019] RIP: 0010:sched_change_end+0x4f6/0x640 [ 125.418339][ T6019] Code: 00 74 26 48 83 c4 38 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc 90 0f 0b 90 e9 1d fc ff ff 90 0f 0b 90 e9 86 fc ff ff 90 <0f> 0b 90 eb d4 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 49 fb ff ff 48 [ 125.418347][ T6019] RSP: 0018:ffffc900030e7850 EFLAGS: 00010046 [ 125.418355][ T6019] RAX: 1ffff110063293d0 RBX: ffffffff8dba8ed0 RCX: ffffffff8192e20f [ 125.418361][ T6019] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888031949e80 [ 125.418367][ T6019] RBP: ffff88803194a128 R08: ffff888031949e87 R09: 1ffff110063293d0 [ 125.418373][ T6019] R10: dffffc0000000000 R11: ffffed10063293d1 R12: dffffc0000000000 [ 125.418380][ T6019] R13: ffff888031949e80 R14: ffff8880b863ab00 R15: ffff888031949e80 [ 125.418388][ T6019] ? sched_change_end+0x4af/0x640 [ 125.418401][ T6019] rt_mutex_setprio+0x488/0xb70 [ 125.418411][ T6019] remove_waiter+0x7f5/0xaf0 [ 125.418421][ T6019] ? lockdep_hardirqs_on+0x98/0x140 [ 125.418433][ T6019] rt_mutex_cleanup_proxy_lock+0x6c/0x100 [ 125.418443][ T6019] futex_lock_pi+0x530/0xa90 [ 125.418455][ T6019] ? __pfx_futex_lock_pi+0x10/0x10 [ 125.418470][ T6019] ? futex_hash+0x40/0x2d0 [ 125.418477][ T6019] ? futex_hash+0x2ad/0x2d0 [ 125.418485][ T6019] ? __pfx_futex_wake_mark+0x10/0x10 [ 125.418497][ T6019] ? __pfx_futex_wake+0x10/0x10 [ 125.418511][ T6019] do_futex+0x292/0x420 [ 125.418521][ T6019] ? __pfx_do_futex+0x10/0x10 [ 125.418532][ T6019] __se_sys_futex+0x36f/0x400 [ 125.418542][ T6019] ? __pfx___se_sys_futex+0x10/0x10 [ 125.418553][ T6019] ? __x64_sys_futex+0x21/0xf0 [ 125.418563][ T6019] do_syscall_64+0xfa/0xf80 [ 125.418574][ T6019] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 125.418582][ T6019] ? clear_bhb_loop+0x60/0xb0 [ 125.418592][ T6019] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 125.418600][ T6019] RIP: 0033:0x7f174bb8f749 [ 125.418612][ T6019] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 125.418619][ T6019] RSP: 002b:00007fffaf493378 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 125.418627][ T6019] RAX: ffffffffffffffda RBX: 00007f174bde5fa0 RCX: 00007f174bb8f749 [ 125.418634][ T6019] RDX: 0000000000000002 RSI: 0000000000000086 RDI: 0000200000000180 [ 125.418639][ T6019] RBP: 00007f174bc13f91 R08: 0000000000000000 R09: 00000000fffffffc [ 125.418644][ T6019] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 125.418649][ T6019] R13: 00007f174bde5fa0 R14: 00007f174bde5fa0 R15: 0000000000000006 [ 125.418658][ T6019] [ 126.676666][ T6019] WARNING: kernel/sched/core.c:10852 at sched_change_end+0x4f6/0x640, CPU#1: syz.0.17/6019 [ 126.686743][ T6019] Modules linked in: [ 126.690729][ T6019] CPU: 1 UID: 0 PID: 6019 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) [ 126.700222][ T6019] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 126.711097][ T6019] RIP: 0010:sched_change_end+0x4f6/0x640 [ 126.716910][ T6019] Code: 00 74 26 48 83 c4 38 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc 90 0f 0b 90 e9 1d fc ff ff 90 0f 0b 90 e9 86 fc ff ff 90 <0f> 0b 90 eb d4 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 49 fb ff ff 48 [ 126.737926][ T6019] RSP: 0018:ffffc900030e7850 EFLAGS: 00010046 [ 126.744079][ T6019] RAX: 1ffff110063293d0 RBX: ffffffff8dba8ed0 RCX: ffffffff8192e20f [ 126.752353][ T6019] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888031949e80 [ 126.760417][ T6019] RBP: ffff88803194a128 R08: ffff888031949e87 R09: 1ffff110063293d0 [ 126.768799][ T6019] R10: dffffc0000000000 R11: ffffed10063293d1 R12: dffffc0000000000 [ 126.776850][ T6019] R13: ffff888031949e80 R14: ffff8880b863ab00 R15: ffff888031949e80 [ 126.785008][ T6019] FS: 000055558623e500(0000) GS:ffff888125d25000(0000) knlGS:0000000000000000 [ 126.793929][ T6019] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 126.800502][ T6019] CR2: 00005590ac3faa38 CR3: 00000000764e4000 CR4: 00000000003526f0 [ 126.808473][ T6019] Call Trace: [ 126.812104][ T6019] [ 126.815022][ T6019] rt_mutex_setprio+0x488/0xb70 [ 126.819860][ T6019] remove_waiter+0x7f5/0xaf0 [ 126.824434][ T6019] ? lockdep_hardirqs_on+0x98/0x140 [ 126.829705][ T6019] rt_mutex_cleanup_proxy_lock+0x6c/0x100 [ 126.835407][ T6019] futex_lock_pi+0x530/0xa90 [ 126.839982][ T6019] ? __pfx_futex_lock_pi+0x10/0x10 [ 126.845170][ T6019] ? futex_hash+0x40/0x2d0 [ 126.849563][ T6019] ? futex_hash+0x2ad/0x2d0 [ 126.854065][ T6019] ? __pfx_futex_wake_mark+0x10/0x10 [ 126.859337][ T6019] ? __pfx_futex_wake+0x10/0x10 [ 126.864171][ T6019] do_futex+0x292/0x420 [ 126.868319][ T6019] ? __pfx_do_futex+0x10/0x10 [ 126.872993][ T6019] __se_sys_futex+0x36f/0x400 [ 126.877658][ T6019] ? __pfx___se_sys_futex+0x10/0x10 [ 126.882839][ T6019] ? __x64_sys_futex+0x21/0xf0 [ 126.887673][ T6019] do_syscall_64+0xfa/0xf80 [ 126.892162][ T6019] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 126.898206][ T6019] ? clear_bhb_loop+0x60/0xb0 [ 126.902864][ T6019] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 126.908738][ T6019] RIP: 0033:0x7f174bb8f749 [ 126.913227][ T6019] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 126.932835][ T6019] RSP: 002b:00007fffaf493378 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 126.941410][ T6019] RAX: ffffffffffffffda RBX: 00007f174bde5fa0 RCX: 00007f174bb8f749 [ 126.949453][ T6019] RDX: 0000000000000002 RSI: 0000000000000086 RDI: 0000200000000180 [ 126.958146][ T6019] RBP: 00007f174bc13f91 R08: 0000000000000000 R09: 00000000fffffffc [ 126.966284][ T6019] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 126.974240][ T6019] R13: 00007f174bde5fa0 R14: 00007f174bde5fa0 R15: 0000000000000006 [ 126.982203][ T6019] [ 126.985212][ T6019] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 126.992472][ T6019] CPU: 1 UID: 0 PID: 6019 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) [ 127.001574][ T6019] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 127.011801][ T6019] Call Trace: [ 127.015084][ T6019] [ 127.018027][ T6019] dump_stack_lvl+0x99/0x250 [ 127.022614][ T6019] ? __asan_memcpy+0x40/0x70 [ 127.027186][ T6019] ? __pfx_dump_stack_lvl+0x10/0x10 [ 127.032886][ T6019] ? __pfx__printk+0x10/0x10 [ 127.037463][ T6019] vpanic+0x237/0x6d0 [ 127.041432][ T6019] ? __pfx_vpanic+0x10/0x10 [ 127.045936][ T6019] ? is_bpf_text_address+0x292/0x2b0 [ 127.051204][ T6019] ? is_bpf_text_address+0x26/0x2b0 [ 127.056386][ T6019] panic+0xb9/0xc0 [ 127.060111][ T6019] ? __pfx_panic+0x10/0x10 [ 127.064508][ T6019] __warn+0x317/0x4b0 [ 127.068471][ T6019] ? sched_change_end+0x4f6/0x640 [ 127.073494][ T6019] ? sched_change_end+0x4f6/0x640 [ 127.078510][ T6019] __report_bug+0x288/0x500 [ 127.083002][ T6019] ? sched_change_end+0x4f6/0x640 [ 127.088022][ T6019] ? __pfx___report_bug+0x10/0x10 [ 127.093039][ T6019] ? rcu_read_lock_sched_held+0x89/0x100 [ 127.098657][ T6019] ? __pfx_rcu_read_lock_sched_held+0x10/0x10 [ 127.104709][ T6019] ? sched_change_end+0x4f6/0x640 [ 127.109724][ T6019] report_bug+0x16a/0x220 [ 127.114233][ T6019] ? sched_change_end+0x4f6/0x640 [ 127.119293][ T6019] ? sched_change_end+0x4f8/0x640 [ 127.124319][ T6019] handle_bug+0x98/0x200 [ 127.128559][ T6019] exc_invalid_op+0x1a/0x50 [ 127.133052][ T6019] asm_exc_invalid_op+0x1a/0x20 [ 127.137887][ T6019] RIP: 0010:sched_change_end+0x4f6/0x640 [ 127.143508][ T6019] Code: 00 74 26 48 83 c4 38 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc 90 0f 0b 90 e9 1d fc ff ff 90 0f 0b 90 e9 86 fc ff ff 90 <0f> 0b 90 eb d4 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 49 fb ff ff 48 [ 127.163185][ T6019] RSP: 0018:ffffc900030e7850 EFLAGS: 00010046 [ 127.169241][ T6019] RAX: 1ffff110063293d0 RBX: ffffffff8dba8ed0 RCX: ffffffff8192e20f [ 127.177195][ T6019] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888031949e80 [ 127.185157][ T6019] RBP: ffff88803194a128 R08: ffff888031949e87 R09: 1ffff110063293d0 [ 127.193124][ T6019] R10: dffffc0000000000 R11: ffffed10063293d1 R12: dffffc0000000000 [ 127.201095][ T6019] R13: ffff888031949e80 R14: ffff8880b863ab00 R15: ffff888031949e80 [ 127.209068][ T6019] ? sched_change_end+0x4af/0x640 [ 127.214118][ T6019] rt_mutex_setprio+0x488/0xb70 [ 127.218980][ T6019] remove_waiter+0x7f5/0xaf0 [ 127.223567][ T6019] ? lockdep_hardirqs_on+0x98/0x140 [ 127.228756][ T6019] rt_mutex_cleanup_proxy_lock+0x6c/0x100 [ 127.234459][ T6019] futex_lock_pi+0x530/0xa90 [ 127.239032][ T6019] ? __pfx_futex_lock_pi+0x10/0x10 [ 127.244131][ T6019] ? futex_hash+0x40/0x2d0 [ 127.248528][ T6019] ? futex_hash+0x2ad/0x2d0 [ 127.253013][ T6019] ? __pfx_futex_wake_mark+0x10/0x10 [ 127.258301][ T6019] ? __pfx_futex_wake+0x10/0x10 [ 127.263162][ T6019] do_futex+0x292/0x420 [ 127.267340][ T6019] ? __pfx_do_futex+0x10/0x10 [ 127.272023][ T6019] __se_sys_futex+0x36f/0x400 [ 127.276688][ T6019] ? __pfx___se_sys_futex+0x10/0x10 [ 127.281968][ T6019] ? __x64_sys_futex+0x21/0xf0 [ 127.286711][ T6019] do_syscall_64+0xfa/0xf80 [ 127.291199][ T6019] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 127.297245][ T6019] ? clear_bhb_loop+0x60/0xb0 [ 127.301900][ T6019] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 127.307771][ T6019] RIP: 0033:0x7f174bb8f749 [ 127.312169][ T6019] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 127.331853][ T6019] RSP: 002b:00007fffaf493378 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 127.340261][ T6019] RAX: ffffffffffffffda RBX: 00007f174bde5fa0 RCX: 00007f174bb8f749 [ 127.348226][ T6019] RDX: 0000000000000002 RSI: 0000000000000086 RDI: 0000200000000180 [ 127.356715][ T6019] RBP: 00007f174bc13f91 R08: 0000000000000000 R09: 00000000fffffffc [ 127.364669][ T6019] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 127.372656][ T6019] R13: 00007f174bde5fa0 R14: 00007f174bde5fa0 R15: 0000000000000006 [ 127.380616][ T6019] [ 128.495423][ T6019] Shutting down cpus with NMI [ 128.500605][ T6019] Kernel Offset: disabled [ 128.505009][ T6019] Rebooting in 86400 seconds..