[ 81.652447][ T24] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.1.161' (ED25519) to the list of known hosts. 2026/03/11 18:12:04 parsed 1 programs 2026/03/11 18:12:05 executed programs: 0 [ 87.054630][ T6013] cgroup: Unknown subsys name 'cpuset' [ 87.154012][ T6013] chnl_net:caif_netlink_parms(): no params data found [ 87.214586][ T6013] bridge0: port 1(bridge_slave_0) entered blocking state [ 87.221671][ T6013] bridge0: port 1(bridge_slave_0) entered disabled state [ 87.229602][ T6013] bridge_slave_0: entered allmulticast mode [ 87.236554][ T6013] bridge_slave_0: entered promiscuous mode [ 87.244819][ T6013] bridge0: port 2(bridge_slave_1) entered blocking state [ 87.252357][ T6013] bridge0: port 2(bridge_slave_1) entered disabled state [ 87.259610][ T6013] bridge_slave_1: entered allmulticast mode [ 87.266798][ T6013] bridge_slave_1: entered promiscuous mode [ 87.292429][ T6013] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 87.303911][ T6013] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 87.332418][ T6013] team0: Port device team_slave_0 added [ 87.340322][ T6013] team0: Port device team_slave_1 added [ 87.363843][ T6013] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 87.371231][ T6013] 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. [ 87.397415][ T6013] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 87.409337][ T6013] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 87.416959][ T6013] 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. [ 87.442966][ T6013] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 87.476927][ T6013] hsr_slave_0: entered promiscuous mode [ 87.483250][ T6013] hsr_slave_1: entered promiscuous mode [ 87.576781][ T6013] bridge0: port 2(bridge_slave_1) entered blocking state [ 87.583882][ T6013] bridge0: port 2(bridge_slave_1) entered forwarding state [ 87.591351][ T6013] bridge0: port 1(bridge_slave_0) entered blocking state [ 87.598503][ T6013] bridge0: port 1(bridge_slave_0) entered forwarding state [ 87.641687][ T6013] 8021q: adding VLAN 0 to HW filter on device bond0 [ 87.664957][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 87.673067][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 87.687612][ T6013] 8021q: adding VLAN 0 to HW filter on device team0 [ 87.699707][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 87.706827][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 87.719416][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 87.726582][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 87.792978][ T6013] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 88.100721][ T6013] veth0_vlan: entered promiscuous mode [ 88.111641][ T6013] veth1_vlan: entered promiscuous mode [ 88.133113][ T6013] veth0_macvtap: entered promiscuous mode [ 88.147730][ T6013] veth1_macvtap: entered promiscuous mode [ 88.163991][ T6013] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 88.177509][ T6013] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 90.055179][ C1] hrtimer: interrupt took 1808024155 ns [ 195.184115][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 195.191161][ C0] rcu: 1-...!: (2 GPs behind) idle=088c/1/0x4000000000000000 softirq=14309/14310 fqs=0 [ 195.201879][ C0] rcu: (detected by 0, t=10504 jiffies, g=11001, q=883 ncpus=2) [ 195.209727][ C0] Sending NMI from CPU 0 to CPUs 1: [ 195.209763][ C1] NMI backtrace for cpu 1 [ 195.209792][ C1] CPU: 1 UID: 0 PID: 5984 Comm: udevd Not tainted syzkaller #0 PREEMPT(full) [ 195.209812][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/27/2026 [ 195.209827][ C1] RIP: 0010:advance_sched+0x43f/0xc90 [ 195.209872][ C1] Code: 4c 89 f8 4d 8b bf 28 01 00 00 48 8d 98 30 01 00 00 48 89 d8 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 64 ed 78 f8 4c 03 3b <4d> 89 3e eb 0f e8 97 b2 0e f8 49 bc 00 00 00 00 00 fc ff df 48 8b [ 195.209884][ C1] RSP: 0018:ffffc90000a08c70 EFLAGS: 00000006 [ 195.209903][ C1] RAX: 1ffff1100fae0e26 RBX: ffff88807d707130 RCX: dffffc0000000000 [ 195.209913][ C1] RDX: 0000000000010000 RSI: 0000000000000000 RDI: 189bdbf7165fed80 [ 195.209923][ C1] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000004 [ 195.209931][ C1] R10: dffffc0000000000 R11: fffff5200014117c R12: dffffc0000000000 [ 195.209941][ C1] R13: ffff88802dd4e000 R14: ffff88807d707128 R15: 189bdbf7165fee00 [ 195.209952][ C1] FS: 00007feaebeb4880(0000) GS:ffff888125563000(0000) knlGS:0000000000000000 [ 195.209964][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 195.209974][ C1] CR2: 0000000000bb7340 CR3: 000000001f75c000 CR4: 00000000003526f0 [ 195.209986][ C1] Call Trace: [ 195.209994][ C1] [ 195.210008][ C1] ? __pfx_advance_sched+0x10/0x10 [ 195.210027][ C1] __hrtimer_run_queues+0x53a/0xcc0 [ 195.210055][ C1] ? __pfx___hrtimer_run_queues+0x10/0x10 [ 195.210073][ C1] ? ktime_get_update_offsets_now+0x3b2/0x3d0 [ 195.210094][ C1] hrtimer_interrupt+0x42b/0x1010 [ 195.210123][ C1] __sysvec_apic_timer_interrupt+0x102/0x460 [ 195.210145][ C1] sysvec_apic_timer_interrupt+0xa1/0xc0 [ 195.210166][ C1] [ 195.210171][ C1] [ 195.210177][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 195.210199][ C1] RIP: 0010:____sys_sendmsg+0x3b8/0x9f0 [ 195.210214][ C1] Code: 24 58 42 0f b6 04 20 84 c0 0f 85 c2 04 00 00 89 5c 24 20 89 1a 48 8b 44 24 38 48 8d 58 10 48 89 d8 48 c1 e8 03 42 80 3c 20 00 <74> 08 48 89 df e8 5e 36 be f8 48 8b 1b 48 83 c3 68 48 89 d8 48 c1 [ 195.210225][ C1] RSP: 0018:ffffc900042879e0 EFLAGS: 00000246 [ 195.210237][ C1] RAX: 1ffff1100ed0a452 RBX: ffff888076852290 RCX: ffff888025525b80 [ 195.210247][ C1] RDX: ffffc90004287e24 RSI: 0000000000000000 RDI: 0000000000000000 [ 195.210256][ C1] RBP: ffffc90004287b10 R08: 0000000000000003 R09: 0000000000000000 [ 195.210265][ C1] R10: ffffc90004287a60 R11: fffff52000850f50 R12: dffffc0000000000 [ 195.210275][ C1] R13: 1ffff92000850f48 R14: ffffc90004287e28 R15: ffffc90004287de0 [ 195.210296][ C1] ? __pfx_____sys_sendmsg+0x10/0x10 [ 195.210313][ C1] ? import_iovec+0x73/0xa0 [ 195.210340][ C1] ___sys_sendmsg+0x2a5/0x360 [ 195.210355][ C1] ? __pfx____sys_sendmsg+0x10/0x10 [ 195.210383][ C1] ? call_rcu+0x644/0x890 [ 195.210401][ C1] ? lockdep_hardirqs_on+0x7a/0x110 [ 195.210425][ C1] __x64_sys_sendmsg+0x1bd/0x2a0 [ 195.210439][ C1] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 195.210463][ C1] do_syscall_64+0x14d/0xf80 [ 195.210476][ C1] ? trace_irq_disable+0x3b/0x150 [ 195.210495][ C1] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 195.210509][ C1] ? clear_bhb_loop+0x40/0x90 [ 195.210524][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 195.210538][ C1] RIP: 0033:0x7feaeb6a7407 [ 195.210559][ C1] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 195.210569][ C1] RSP: 002b:00007ffcd37b5710 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 195.210583][ C1] RAX: ffffffffffffffda RBX: 00007feaebeb4880 RCX: 00007feaeb6a7407 [ 195.210593][ C1] RDX: 0000000000000000 RSI: 00007ffcd37b5770 RDI: 000000000000000c [ 195.210601][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 195.210610][ C1] R10: 0000000000000000 R11: 0000000000000202 R12: 00000000000000d2 [ 195.210618][ C1] R13: 00005557b73acfb0 R14: 0000000000000000 R15: 00005557b73d57c0 [ 195.210635][ C1] [ 195.210757][ C0] rcu: rcu_preempt kthread starved for 10504 jiffies! g11001 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 195.617999][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 195.627970][ C0] rcu: RCU grace-period kthread stack dump: [ 195.633854][ C0] task:rcu_preempt state:R running task stack:27656 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00080000 [ 195.647538][ C0] Call Trace: [ 195.650830][ C0] [ 195.653766][ C0] __schedule+0x15dd/0x52d0 [ 195.658292][ C0] ? __lock_acquire+0x6b5/0x2cf0 [ 195.663346][ C0] ? __pfx___schedule+0x10/0x10 [ 195.668219][ C0] ? schedule+0x90/0x360 [ 195.672471][ C0] schedule+0x164/0x360 [ 195.676729][ C0] schedule_timeout+0x158/0x2c0 [ 195.681592][ C0] ? __pfx_schedule_timeout+0x10/0x10 [ 195.687059][ C0] ? __pfx_process_timeout+0x10/0x10 [ 195.692404][ C0] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 195.698220][ C0] ? prepare_to_swait_event+0x340/0x370 [ 195.703772][ C0] rcu_gp_fqs_loop+0x312/0x11d0 [ 195.708721][ C0] ? lockdep_hardirqs_on+0x7a/0x110 [ 195.713928][ C0] ? rcu_gp_init+0x1315/0x15b0 [ 195.719047][ C0] ? __pfx_rcu_gp_fqs_loop+0x10/0x10 [ 195.724347][ C0] ? _raw_spin_unlock_irq+0x2e/0x50 [ 195.729686][ C0] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 195.735505][ C0] rcu_gp_kthread+0x9e/0x2b0 [ 195.740213][ C0] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 195.745436][ C0] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 195.751369][ C0] ? __kthread_parkme+0x7a/0x1f0 [ 195.756330][ C0] ? __kthread_parkme+0x19c/0x1f0 [ 195.761371][ C0] kthread+0x388/0x470 [ 195.765484][ C0] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 195.770704][ C0] ? __pfx_kthread+0x10/0x10 [ 195.775301][ C0] ret_from_fork+0x51e/0xb90 [ 195.779909][ C0] ? __pfx_ret_from_fork+0x10/0x10 [ 195.785027][ C0] ? __switch_to+0xc7d/0x1450 [ 195.789724][ C0] ? __pfx_kthread+0x10/0x10 [ 195.794323][ C0] ret_from_fork_asm+0x1a/0x30 [ 195.799117][ C0] [ 195.802148][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 195.808469][ C0] CPU: 0 UID: 0 PID: 12 Comm: kworker/u8:0 Not tainted syzkaller #0 PREEMPT(full) [ 195.817746][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/27/2026 [ 195.827919][ C0] Workqueue: events_unbound toggle_allocation_gate [ 195.834435][ C0] RIP: 0010:smp_call_function_many_cond+0xcea/0x12c0 [ 195.841110][ C0] Code: 89 ee 83 e6 01 31 ff e8 24 e6 0b 00 41 83 e5 01 49 bd 00 00 00 00 00 fc ff df 75 07 e8 cf e1 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 b3 e1 0b 00 eb e4 44 [ 195.860717][ C0] RSP: 0018:ffffc90000117720 EFLAGS: 00000293 [ 195.866787][ C0] RAX: 0000000000000000 RBX: 1ffff110170e812d RCX: ffff88801d6f0000 [ 195.874759][ C0] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 195.882726][ C0] RBP: ffffc90000117860 R08: ffffffff90118bb7 R09: 1ffffffff2023176 [ 195.890708][ C0] R10: dffffc0000000000 R11: fffffbfff2023177 R12: ffff8880b8740968 [ 195.898679][ C0] R13: dffffc0000000000 R14: ffff8880b863bf80 R15: 0000000000000001 [ 195.906669][ C0] FS: 0000000000000000(0000) GS:ffff888125463000(0000) knlGS:0000000000000000 [ 195.915606][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 195.922199][ C0] CR2: 0000000000505e30 CR3: 000000000e54c000 CR4: 00000000003526f0 [ 195.930177][ C0] Call Trace: [ 195.933555][ C0] [ 195.936677][ C0] ? __pfx_do_sync_core+0x10/0x10 [ 195.941813][ C0] ? __pfx_smp_call_function_many_cond+0x10/0x10 [ 195.948153][ C0] ? kmem_cache_alloc_bulk_noprof+0xae/0x7e0 [ 195.954150][ C0] ? __pfx___text_poke+0x10/0x10 [ 195.959361][ C0] ? __pfx_do_sync_core+0x10/0x10 [ 195.964655][ C0] on_each_cpu_cond_mask+0x3f/0x80 [ 195.969778][ C0] smp_text_poke_batch_finish+0x5f5/0x1160 [ 195.975594][ C0] ? __pfx___mutex_lock+0x10/0x10 [ 195.980739][ C0] ? __pfx_smp_text_poke_batch_finish+0x10/0x10 [ 195.986993][ C0] ? arch_jump_label_transform_queue+0x97/0x110 [ 195.993246][ C0] arch_jump_label_transform_apply+0x1c/0x30 [ 195.999235][ C0] static_key_enable_cpuslocked+0x128/0x240 [ 196.005291][ C0] static_key_enable+0x1a/0x20 [ 196.010074][ C0] toggle_allocation_gate+0xab/0x290 [ 196.015363][ C0] ? __pfx_toggle_allocation_gate+0x10/0x10 [ 196.021352][ C0] ? process_scheduled_works+0xa25/0x1830 [ 196.027079][ C0] ? process_scheduled_works+0xa25/0x1830 [ 196.032804][ C0] process_scheduled_works+0xb02/0x1830 [ 196.038379][ C0] ? __pfx_process_scheduled_works+0x10/0x10 [ 196.044460][ C0] ? assign_work+0x3d5/0x5e0 [ 196.049198][ C0] worker_thread+0xa50/0xfc0 [ 196.053874][ C0] kthread+0x388/0x470 [ 196.058060][ C0] ? __pfx_worker_thread+0x10/0x10 [ 196.063194][ C0] ? __pfx_kthread+0x10/0x10 [ 196.067797][ C0] ret_from_fork+0x51e/0xb90 [ 196.072409][ C0] ? __pfx_ret_from_fork+0x10/0x10 [ 196.077531][ C0] ? __switch_to+0xc7d/0x1450 [ 196.082337][ C0] ? __pfx_kthread+0x10/0x10 [ 196.087015][ C0] ret_from_fork_asm+0x1a/0x30 [ 196.091912][ C0]