[ 86.780477][ T121] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.10.25' (ED25519) to the list of known hosts. 2025/08/20 16:10:59 ignoring optional flag "type"="gce" 2025/08/20 16:10:59 parsed 1 programs 2025/08/20 16:11:00 executed programs: 0 [ 92.583925][ T6056] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 92.633133][ T5876] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 92.640798][ T5876] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 92.648838][ T5876] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 92.656851][ T5876] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 92.664989][ T5876] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 92.799292][ T6061] chnl_net:caif_netlink_parms(): no params data found [ 92.861156][ T6061] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.868345][ T6061] bridge0: port 1(bridge_slave_0) entered disabled state [ 92.875988][ T6061] bridge_slave_0: entered allmulticast mode [ 92.883200][ T6061] bridge_slave_0: entered promiscuous mode [ 92.890776][ T6061] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.898182][ T6061] bridge0: port 2(bridge_slave_1) entered disabled state [ 92.905477][ T6061] bridge_slave_1: entered allmulticast mode [ 92.913211][ T6061] bridge_slave_1: entered promiscuous mode [ 92.941712][ T6061] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 92.954458][ T6061] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 92.983781][ T6061] team0: Port device team_slave_0 added [ 92.991424][ T6061] team0: Port device team_slave_1 added [ 93.019094][ T6061] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 93.026056][ T6061] 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. [ 93.052640][ T6061] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 93.065182][ T6061] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 93.072326][ T6061] 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. [ 93.098353][ T6061] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 93.137427][ T6061] hsr_slave_0: entered promiscuous mode [ 93.144465][ T6061] hsr_slave_1: entered promiscuous mode [ 93.644519][ T6061] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 93.656741][ T6061] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 93.669832][ T6061] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 93.683072][ T6061] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 93.720826][ T6061] bridge0: port 2(bridge_slave_1) entered blocking state [ 93.728036][ T6061] bridge0: port 2(bridge_slave_1) entered forwarding state [ 93.735657][ T6061] bridge0: port 1(bridge_slave_0) entered blocking state [ 93.742879][ T6061] bridge0: port 1(bridge_slave_0) entered forwarding state [ 93.810206][ T6061] 8021q: adding VLAN 0 to HW filter on device bond0 [ 93.835956][ T2946] bridge0: port 1(bridge_slave_0) entered disabled state [ 93.844653][ T2946] bridge0: port 2(bridge_slave_1) entered disabled state [ 93.878912][ T6061] 8021q: adding VLAN 0 to HW filter on device team0 [ 93.896769][ T2946] bridge0: port 1(bridge_slave_0) entered blocking state [ 93.904015][ T2946] bridge0: port 1(bridge_slave_0) entered forwarding state [ 93.931772][ T2994] bridge0: port 2(bridge_slave_1) entered blocking state [ 93.938987][ T2994] bridge0: port 2(bridge_slave_1) entered forwarding state [ 94.214154][ T6061] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 94.272338][ T6061] veth0_vlan: entered promiscuous mode [ 94.286250][ T6061] veth1_vlan: entered promiscuous mode [ 94.333266][ T6061] veth0_macvtap: entered promiscuous mode [ 94.346362][ T6061] veth1_macvtap: entered promiscuous mode [ 94.372859][ T6061] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 94.393059][ T6061] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 94.412097][ T36] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.440172][ T36] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.465031][ T36] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.484712][ T36] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 95.191026][ C1] hrtimer: interrupt took 649917175 ns [ 95.203916][ T5876] Bluetooth: hci0: command tx timeout [ 200.227529][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 200.234534][ C0] rcu: 1-...!: (3 ticks this GP) idle=403c/0/0x1 softirq=17618/17618 fqs=68 [ 200.243743][ C0] rcu: (detected by 0, t=10506 jiffies, g=10725, q=29862 ncpus=2) [ 200.251653][ C0] Sending NMI from CPU 0 to CPUs 1: [ 200.251698][ C1] NMI backtrace for cpu 1 [ 200.251727][ C1] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted syzkaller #0 PREEMPT(full) [ 200.251743][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 200.251755][ C1] RIP: 0010:lock_is_held_type+0x119/0x190 [ 200.251786][ C1] Code: 00 00 00 48 c7 c7 5f 5d ba 8d e8 92 16 00 00 b8 ff ff ff ff 65 0f c1 05 35 24 27 07 83 f8 01 75 44 48 c7 04 24 00 00 00 00 9c <8f> 04 24 f7 04 24 00 02 00 00 75 4c 41 f7 c4 00 02 00 00 74 01 fb [ 200.251798][ C1] RSP: 0018:ffffc90000a08c20 EFLAGS: 00000046 [ 200.251814][ C1] RAX: 0000000000000001 RBX: 0000000000000001 RCX: 1176a5714c1f3a00 [ 200.251824][ C1] RDX: ffff88801cebda00 RSI: ffffffff8dba5d5f RDI: ffffffff8be33300 [ 200.251835][ C1] RBP: 00000000ffffffff R08: 0000000000000003 R09: 0000000000000004 [ 200.251844][ C1] R10: dffffc0000000000 R11: fffff5200014117c R12: 0000000000000046 [ 200.251854][ C1] R13: ffff88801cebda00 R14: ffff88802f883300 R15: 0000000000000000 [ 200.251865][ C1] FS: 0000000000000000(0000) GS:ffff888125d1b000(0000) knlGS:0000000000000000 [ 200.251877][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 200.251887][ C1] CR2: 000055e92f0d5138 CR3: 000000007579a000 CR4: 00000000003526f0 [ 200.251900][ C1] Call Trace: [ 200.251908][ C1] [ 200.251918][ C1] advance_sched+0xe7/0xc90 [ 200.251938][ C1] ? _raw_spin_unlock_irqrestore+0xad/0x110 [ 200.251956][ C1] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 200.251977][ C1] ? __pfx_advance_sched+0x10/0x10 [ 200.251989][ C1] __hrtimer_run_queues+0x52c/0xc60 [ 200.252015][ C1] ? __pfx___hrtimer_run_queues+0x10/0x10 [ 200.252028][ C1] ? read_tsc+0x9/0x20 [ 200.252052][ C1] hrtimer_interrupt+0x45b/0xaa0 [ 200.252077][ C1] __sysvec_apic_timer_interrupt+0x108/0x410 [ 200.252096][ C1] sysvec_apic_timer_interrupt+0xa1/0xc0 [ 200.252114][ C1] [ 200.252119][ C1] [ 200.252125][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 200.252140][ C1] RIP: 0010:pv_native_safe_halt+0x13/0x20 [ 200.252158][ C1] Code: 13 e8 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 f3 c6 0e 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 [ 200.252169][ C1] RSP: 0018:ffffc90000197de0 EFLAGS: 000002c2 [ 200.252181][ C1] RAX: 1176a5714c1f3a00 RBX: ffffffff819683a8 RCX: 1176a5714c1f3a00 [ 200.252192][ C1] RDX: 0000000000000001 RSI: ffffffff8d9b6a5a RDI: ffffffff8be33300 [ 200.252202][ C1] RBP: ffffc90000197f20 R08: ffff8880b8732f9b R09: 1ffff110170e65f3 [ 200.252213][ C1] R10: dffffc0000000000 R11: ffffed10170e65f4 R12: ffffffff8fa37e30 [ 200.252223][ C1] R13: 0000000000000001 R14: 0000000000000001 R15: 1ffff110039d7b40 [ 200.252234][ C1] ? do_idle+0x1e8/0x510 [ 200.252252][ C1] default_idle+0x13/0x20 [ 200.252265][ C1] default_idle_call+0x74/0xb0 [ 200.252277][ C1] do_idle+0x1e8/0x510 [ 200.252293][ C1] ? __pfx_do_idle+0x10/0x10 [ 200.252313][ C1] cpu_startup_entry+0x44/0x60 [ 200.252327][ C1] start_secondary+0x101/0x110 [ 200.252346][ C1] common_startup_64+0x13e/0x147 [ 200.252376][ C1] [ 200.252682][ C0] rcu: rcu_preempt kthread starved for 9854 jiffies! g10725 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 200.568856][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 200.578817][ C0] rcu: RCU grace-period kthread stack dump: [ 200.584702][ C0] task:rcu_preempt state:R running task stack:27160 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00004000 [ 200.598189][ C0] Call Trace: [ 200.601469][ C0] [ 200.604401][ C0] __schedule+0x1798/0x4cc0 [ 200.608936][ C0] ? __lock_acquire+0xab9/0xd20 [ 200.613796][ C0] ? __pfx___schedule+0x10/0x10 [ 200.618694][ C0] ? schedule+0x91/0x360 [ 200.622955][ C0] schedule+0x165/0x360 [ 200.627129][ C0] schedule_timeout+0x12b/0x270 [ 200.631981][ C0] ? __pfx_schedule_timeout+0x10/0x10 [ 200.637357][ C0] ? _raw_spin_unlock_irqrestore+0x85/0x110 [ 200.643257][ C0] ? __pfx_process_timeout+0x10/0x10 [ 200.648566][ C0] ? prepare_to_swait_event+0x341/0x380 [ 200.654130][ C0] rcu_gp_fqs_loop+0x301/0x1540 [ 200.659008][ C0] ? __pfx_rcu_watching_snap_recheck+0x10/0x10 [ 200.665214][ C0] ? __pfx_rcu_gp_fqs_loop+0x10/0x10 [ 200.670509][ C0] ? _raw_spin_unlock_irq+0x2e/0x50 [ 200.675721][ C0] ? finish_swait+0xcd/0x1f0 [ 200.680321][ C0] rcu_gp_kthread+0x99/0x390 [ 200.685004][ C0] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 200.690204][ C0] ? __kthread_parkme+0x7b/0x200 [ 200.695140][ C0] ? __kthread_parkme+0x1a1/0x200 [ 200.700166][ C0] kthread+0x711/0x8a0 [ 200.704240][ C0] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 200.709439][ C0] ? __pfx_kthread+0x10/0x10 [ 200.714042][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 200.719338][ C0] ? lockdep_hardirqs_on+0x9c/0x150 [ 200.724535][ C0] ? __pfx_kthread+0x10/0x10 [ 200.729124][ C0] ret_from_fork+0x3f9/0x770 [ 200.733714][ C0] ? __pfx_ret_from_fork+0x10/0x10 [ 200.738834][ C0] ? __switch_to_asm+0x39/0x70 [ 200.743597][ C0] ? __switch_to_asm+0x33/0x70 [ 200.748362][ C0] ? __pfx_kthread+0x10/0x10 [ 200.752953][ C0] ret_from_fork_asm+0x1a/0x30 [ 200.757764][ C0] [ 200.760799][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 200.767117][ C0] CPU: 0 UID: 0 PID: 6119 Comm: syz-executor.0 Not tainted syzkaller #0 PREEMPT(full) [ 200.776740][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 200.786788][ C0] RIP: 0010:smp_call_function_many_cond+0xd33/0x12d0 [ 200.793462][ C0] Code: 45 8b 2c 24 44 89 ee 83 e6 01 31 ff e8 b6 62 0b 00 41 83 e5 01 49 bd 00 00 00 00 00 fc ff df 75 07 e8 61 5e 0b 00 eb 38 f3 90 <42> 0f b6 04 2b 84 c0 75 11 41 f7 04 24 01 00 00 00 74 1e e8 45 5e [ 200.813063][ C0] RSP: 0018:ffffc9000495f340 EFLAGS: 00000293 [ 200.819131][ C0] RAX: ffffffff81b44deb RBX: 1ffff110170e7f61 RCX: ffff888075e41e00 [ 200.827099][ C0] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 200.835161][ C0] RBP: ffffc9000495f4c0 R08: ffffffff8fa37e37 R09: 1ffffffff1f46fc6 [ 200.843132][ C0] R10: dffffc0000000000 R11: fffffbfff1f46fc7 R12: ffff8880b873fb08 [ 200.851101][ C0] R13: dffffc0000000000 R14: ffff8880b863b1c0 R15: 0000000000000001 [ 200.859152][ C0] FS: 0000000000000000(0000) GS:ffff888125c1b000(0000) knlGS:0000000000000000 [ 200.868076][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 200.874655][ C0] CR2: 00005573adb56138 CR3: 000000000df36000 CR4: 00000000003526f0 [ 200.882625][ C0] Call Trace: [ 200.885913][ C0] [ 200.888933][ C0] ? __pfx_flush_tlb_func+0x10/0x10 [ 200.894164][ C0] ? __pfx_smp_call_function_many_cond+0x10/0x10 [ 200.900507][ C0] ? do_raw_spin_lock+0x121/0x290 [ 200.905537][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 200.910913][ C0] ? rcu_is_watching+0x15/0xb0 [ 200.915676][ C0] ? __pfx_flush_tlb_func+0x10/0x10 [ 200.920885][ C0] on_each_cpu_cond_mask+0x3f/0x80 [ 200.925996][ C0] flush_tlb_mm_range+0x6b1/0x12d0 [ 200.931187][ C0] ? _raw_spin_unlock_irqrestore+0xad/0x110 [ 200.937083][ C0] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 200.943407][ C0] ? free_pgd_range+0x144b/0x14c0 [ 200.948483][ C0] ? __pfx_flush_tlb_mm_range+0x10/0x10 [ 200.954060][ C0] tlb_flush_mmu+0x1a7/0x680 [ 200.958653][ C0] tlb_finish_mmu+0xc3/0x1d0 [ 200.963241][ C0] ? free_pgd_range+0x144b/0x14c0 [ 200.968349][ C0] free_ldt_pgtables+0x17b/0x320 [ 200.973291][ C0] ? __pfx_free_ldt_pgtables+0x10/0x10 [ 200.978858][ C0] ? down_read+0x1ad/0x2e0 [ 200.983289][ C0] exit_mmap+0x17c/0xb50 [ 200.987554][ C0] ? uprobe_clear_state+0x20f/0x290 [ 200.992786][ C0] ? __pfx_exit_mmap+0x10/0x10 [ 200.997561][ C0] ? __mutex_unlock_slowpath+0x1a1/0x760 [ 201.003224][ C0] ? __pfx_exit_aio+0x10/0x10 [ 201.007918][ C0] ? uprobe_clear_state+0x274/0x290 [ 201.013122][ C0] __mmput+0x118/0x420 [ 201.017191][ C0] exit_mm+0x1da/0x2c0 [ 201.021264][ C0] ? __pfx_exit_mm+0x10/0x10 [ 201.025862][ C0] ? rcu_is_watching+0x15/0xb0 [ 201.030629][ C0] do_exit+0x648/0x2300 [ 201.034793][ C0] ? do_raw_spin_lock+0x121/0x290 [ 201.039822][ C0] ? __pfx_do_exit+0x10/0x10 [ 201.044458][ C0] do_group_exit+0x21c/0x2d0 [ 201.049055][ C0] ? lockdep_hardirqs_on+0x9c/0x150 [ 201.054257][ C0] get_signal+0x1286/0x1340 [ 201.058779][ C0] arch_do_signal_or_restart+0x9a/0x750 [ 201.064344][ C0] ? __pfx_arch_do_signal_or_restart+0x10/0x10 [ 201.070517][ C0] ? exit_to_user_mode_loop+0x40/0x110 [ 201.075985][ C0] exit_to_user_mode_loop+0x75/0x110 [ 201.081270][ C0] do_syscall_64+0x2bd/0x3b0 [ 201.085862][ C0] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 201.091921][ C0] ? __switch_to_asm+0x39/0x70 [ 201.096686][ C0] ? clear_bhb_loop+0x60/0xb0 [ 201.101363][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 201.107263][ C0] RIP: 0033:0x7fcee047dda9 [ 201.111698][ C0] Code: Unable to access opcode bytes at 0x7fcee047dd7f. [ 201.118707][ C0] RSP: 002b:00007fcee12aa178 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 201.127381][ C0] RAX: fffffffffffffe00 RBX: 00007fcee05abf88 RCX: 00007fcee047dda9 [ 201.135346][ C0] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fcee05abf88 [ 201.143313][ C0] RBP: 00007fcee05abf80 R08: 00007fcee12aa6c0 R09: 00007fcee12aa6c0 [ 201.151277][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcee05abf8c [ 201.159237][ C0] R13: 000000000000000b R14: 00007ffd159883e0 R15: 00007ffd159884c8 [ 201.167226][ C0]