[ 86.766000][ T24] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.1.11' (ED25519) to the list of known hosts. 2026/02/07 09:20:29 ignoring optional flag "type"="gce" 2026/02/07 09:20:30 parsed 1 programs 2026/02/07 09:20:31 executed programs: 0 [ 92.086307][ T6003] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 92.135618][ T5142] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 92.144250][ T5142] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 92.152010][ T5142] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 92.159987][ T5142] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 92.167634][ T5142] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 92.306967][ T6009] chnl_net:caif_netlink_parms(): no params data found [ 92.379309][ T6009] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.386620][ T6009] bridge0: port 1(bridge_slave_0) entered disabled state [ 92.393925][ T6009] bridge_slave_0: entered allmulticast mode [ 92.401497][ T6009] bridge_slave_0: entered promiscuous mode [ 92.409713][ T6009] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.417798][ T6009] bridge0: port 2(bridge_slave_1) entered disabled state [ 92.425072][ T6009] bridge_slave_1: entered allmulticast mode [ 92.432463][ T6009] bridge_slave_1: entered promiscuous mode [ 92.466210][ T6009] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 92.478544][ T6009] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 92.512875][ T6009] team0: Port device team_slave_0 added [ 92.522037][ T6009] team0: Port device team_slave_1 added [ 92.551569][ T6009] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 92.558544][ T6009] 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. [ 92.584445][ T6009] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 92.596988][ T6009] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 92.604075][ T6009] 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. [ 92.630063][ T6009] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 92.674788][ T6009] hsr_slave_0: entered promiscuous mode [ 92.681639][ T6009] hsr_slave_1: entered promiscuous mode [ 93.168474][ T6009] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 93.183646][ T6009] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 93.199419][ T6009] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 93.216975][ T6009] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 93.285702][ T6009] bridge0: port 2(bridge_slave_1) entered blocking state [ 93.292944][ T6009] bridge0: port 2(bridge_slave_1) entered forwarding state [ 93.300462][ T6009] bridge0: port 1(bridge_slave_0) entered blocking state [ 93.307624][ T6009] bridge0: port 1(bridge_slave_0) entered forwarding state [ 93.322844][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 93.336908][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 93.432788][ T6009] 8021q: adding VLAN 0 to HW filter on device bond0 [ 93.461769][ T6009] 8021q: adding VLAN 0 to HW filter on device team0 [ 93.477117][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 93.484361][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 93.504588][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 93.511819][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 93.776088][ T6009] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 93.854214][ T6009] veth0_vlan: entered promiscuous mode [ 93.872557][ T6009] veth1_vlan: entered promiscuous mode [ 93.923803][ T6009] veth0_macvtap: entered promiscuous mode [ 93.937500][ T6009] veth1_macvtap: entered promiscuous mode [ 93.973040][ T6009] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 93.988718][ T6009] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 94.021930][ T12] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.035245][ T12] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.047035][ T12] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.058935][ T12] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 199.229882][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 199.236983][ C0] rcu: 1-...!: (1 GPs behind) idle=78f4/1/0x4000000000000000 softirq=15406/15406 fqs=1246 [ 199.247424][ C0] rcu: (detected by 0, t=10502 jiffies, g=11477, q=355 ncpus=2) [ 199.255165][ C0] Sending NMI from CPU 0 to CPUs 1: [ 199.255217][ C1] NMI backtrace for cpu 1 [ 199.255247][ C1] CPU: 1 UID: 0 PID: 6072 Comm: sed Not tainted syzkaller #0 PREEMPT(full) [ 199.255263][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 199.255277][ C1] RIP: 0010:__lock_acquire+0xd30/0x2cf0 [ 199.255307][ C1] Code: 24 10 0f 85 44 03 00 00 83 3d 3b d4 6f 0e 00 0f 84 0f 07 00 00 41 f6 45 22 10 75 2c 49 89 ae 08 0b 00 00 41 8b 86 10 0b 00 00 c0 41 89 86 10 0b 00 00 83 f8 30 0f 83 51 18 00 00 3b 05 a0 9b [ 199.255318][ C1] RSP: 0018:ffffc90000a08ab0 EFLAGS: 00000046 [ 199.255337][ C1] RAX: 0000000000000001 RBX: 00000000fe09d4ff RCX: 0000000000000000 [ 199.255347][ C1] RDX: 000000005a44979c RSI: 0000000086db7919 RDI: ffff88802fbf8000 [ 199.255356][ C1] RBP: 0ac0d5affe09d4ff R08: ffffffff89b66138 R09: ffffffff8e760320 [ 199.255367][ C1] R10: dffffc0000000000 R11: ffffed1002372856 R12: ffff88802fbf8b40 [ 199.255377][ C1] R13: ffff88802fbf8b40 R14: ffff88802fbf8000 R15: 0000000000000001 [ 199.255387][ C1] FS: 0000000000000000(0000) GS:ffff88812556a000(0000) knlGS:0000000000000000 [ 199.255399][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 199.255414][ C1] CR2: 00007f0a303ce008 CR3: 0000000078ab4000 CR4: 00000000003526f0 [ 199.255427][ C1] Call Trace: [ 199.255438][ C1] [ 199.255448][ C1] ? __lock_acquire+0x6b5/0x2cf0 [ 199.255470][ C1] lock_acquire+0xf0/0x2e0 [ 199.255486][ C1] ? advance_sched+0x9f8/0xc90 [ 199.255502][ C1] ? do_raw_spin_unlock+0xf5/0x210 [ 199.255516][ C1] ? advance_sched+0x9f8/0xc90 [ 199.255530][ C1] advance_sched+0xa14/0xc90 [ 199.255543][ C1] ? advance_sched+0x9f8/0xc90 [ 199.255561][ C1] ? __pfx_advance_sched+0x10/0x10 [ 199.255573][ C1] __hrtimer_run_queues+0x53a/0xcc0 [ 199.255598][ C1] ? __pfx___hrtimer_run_queues+0x10/0x10 [ 199.255615][ C1] ? ktime_get_update_offsets_now+0x3b2/0x3d0 [ 199.255634][ C1] hrtimer_interrupt+0x42b/0x1010 [ 199.255656][ C1] ? __pfx_sched_clock_cpu+0x10/0x10 [ 199.255678][ C1] __sysvec_apic_timer_interrupt+0x102/0x460 [ 199.255699][ C1] sysvec_apic_timer_interrupt+0xa1/0xc0 [ 199.255717][ C1] [ 199.255721][ C1] [ 199.255727][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 199.255742][ C1] RIP: 0010:lock_is_held_type+0x106/0x150 [ 199.255758][ C1] Code: 18 00 00 b8 ff ff ff ff 65 0f c1 05 04 c0 6d 07 83 f8 01 75 25 9c 58 a9 00 02 00 00 75 39 41 f7 c4 00 02 00 00 74 01 fb 89 d8 <5b> 41 5c 41 5d 41 5e 41 5f 5d e9 4b e3 02 00 cc 90 0f 0b 90 48 c7 [ 199.255769][ C1] RSP: 0018:ffffc9000481f288 EFLAGS: 00000206 [ 199.255781][ C1] RAX: 0000000000000001 RBX: 0000000000000001 RCX: 0000000000000046 [ 199.255789][ C1] RDX: 0000000000000000 RSI: ffffffff8e15d4e2 RDI: ffffffff8c277400 [ 199.255799][ C1] RBP: 00000000ffffffff R08: 0000000000000003 R09: 0000000000000004 [ 199.255808][ C1] R10: dffffc0000000000 R11: fffffbfff35ea30c R12: 0000000000000246 [ 199.255817][ C1] R13: ffff88802fbf8000 R14: ffff88807911f180 R15: 0000000000000000 [ 199.255835][ C1] mt_validate+0x7a6/0x4320 [ 199.255856][ C1] ? perf_event_mmap+0x24f/0x17f0 [ 199.255874][ C1] ? __pfx_mt_validate+0x10/0x10 [ 199.255892][ C1] ? __lock_acquire+0x6b5/0x2cf0 [ 199.255912][ C1] ? uprobe_mmap+0x1ab/0x12b0 [ 199.255930][ C1] validate_mm+0xd4/0x4c0 [ 199.255947][ C1] ? __pfx_vms_complete_munmap_vmas+0x10/0x10 [ 199.255965][ C1] ? __pfx_validate_mm+0x10/0x10 [ 199.255983][ C1] ? vma_wants_writenotify+0xb3/0x2a0 [ 199.256001][ C1] ? vma_set_page_prot+0xc3/0x100 [ 199.256019][ C1] ? mmap_action_complete+0x209/0x250 [ 199.256038][ C1] mmap_region+0x1513/0x2240 [ 199.256061][ C1] ? __pfx_mmap_region+0x10/0x10 [ 199.256077][ C1] ? arch_stack_walk+0xfb/0x150 [ 199.256101][ C1] ? mas_next_slot+0xc20/0xcf0 [ 199.256120][ C1] ? mas_prev_slot+0xb31/0xbb0 [ 199.256163][ C1] ? bpf_lsm_mmap_addr+0x9/0x50 [ 199.256179][ C1] ? security_mmap_addr+0x71/0x240 [ 199.256196][ C1] ? shmem_mapping+0xd/0x50 [ 199.256212][ C1] ? memfd_check_seals_mmap+0xc5/0x200 [ 199.256232][ C1] do_mmap+0xc39/0x10c0 [ 199.256253][ C1] ? __pfx_do_mmap+0x10/0x10 [ 199.256269][ C1] ? down_write_killable+0x180/0x240 [ 199.256288][ C1] ? __pfx_down_write_killable+0x10/0x10 [ 199.256306][ C1] ? apparmor_mmap_file+0x2da/0x3e0 [ 199.256323][ C1] vm_mmap_pgoff+0x2c9/0x4f0 [ 199.256343][ C1] ? __pfx_vm_mmap_pgoff+0x10/0x10 [ 199.256361][ C1] ? __fget_files+0x2a/0x420 [ 199.256380][ C1] ? __fget_files+0x3a0/0x420 [ 199.256402][ C1] ? __fget_files+0x2a/0x420 [ 199.256427][ C1] ksys_mmap_pgoff+0x51e/0x760 [ 199.256447][ C1] do_syscall_64+0x14d/0xf80 [ 199.256463][ C1] ? trace_irq_disable+0x3b/0x150 [ 199.256481][ C1] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 199.256494][ C1] ? clear_bhb_loop+0x40/0x90 [ 199.256510][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 199.256523][ C1] RIP: 0033:0x7f0a303fa242 [ 199.256541][ C1] Code: 08 00 04 00 00 eb e2 90 41 f7 c1 ff 0f 00 00 75 27 55 89 cd 53 48 89 fb 48 85 ff 74 33 41 89 ea 48 89 df b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 5e 5b 5d c3 0f 1f 00 c7 05 46 40 01 00 16 00 [ 199.256551][ C1] RSP: 002b:00007ffe811af0d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 199.256565][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0a303fa242 [ 199.256575][ C1] RDX: 0000000000000001 RSI: 00000000000c1918 RDI: 0000000000000000 [ 199.256583][ C1] RBP: 0000000000000802 R08: 0000000000000003 R09: 0000000000000000 [ 199.256591][ C1] R10: 0000000000000802 R11: 0000000000000246 R12: 0000000000000000 [ 199.256600][ C1] R13: 00007f0a303ce0c0 R14: 00007ffe811af4e0 R15: 00000fffd0235e1e [ 199.256616][ C1] [ 199.257204][ C0] rcu: rcu_preempt kthread starved for 8010 jiffies! g11477 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 199.811815][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 199.821869][ C0] rcu: RCU grace-period kthread stack dump: [ 199.827750][ C0] task:rcu_preempt state:R running task stack:27776 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00080000 [ 199.841427][ C0] Call Trace: [ 199.844704][ C0] [ 199.847638][ C0] __schedule+0x1585/0x5310 [ 199.852174][ C0] ? __pfx___schedule+0x10/0x10 [ 199.857034][ C0] ? schedule+0x90/0x360 [ 199.861324][ C0] schedule+0x164/0x360 [ 199.865488][ C0] schedule_timeout+0x158/0x2c0 [ 199.870430][ C0] ? __pfx_schedule_timeout+0x10/0x10 [ 199.875809][ C0] ? __pfx_process_timeout+0x10/0x10 [ 199.881102][ C0] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 199.886917][ C0] ? prepare_to_swait_event+0x340/0x370 [ 199.892464][ C0] rcu_gp_fqs_loop+0x312/0x11d0 [ 199.897326][ C0] ? __pfx_rcu_watching_snap_recheck+0x10/0x10 [ 199.903585][ C0] ? __pfx_rcu_gp_fqs_loop+0x10/0x10 [ 199.908952][ C0] ? _raw_spin_unlock_irq+0x2e/0x50 [ 199.914163][ C0] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 199.919977][ C0] rcu_gp_kthread+0x9e/0x2b0 [ 199.924739][ C0] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 199.929942][ C0] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 199.935750][ C0] ? __kthread_parkme+0x7a/0x1f0 [ 199.940696][ C0] ? __kthread_parkme+0x19c/0x1f0 [ 199.945728][ C0] kthread+0x388/0x470 [ 199.949806][ C0] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 199.955023][ C0] ? __pfx_kthread+0x10/0x10 [ 199.959619][ C0] ret_from_fork+0x51e/0xb90 [ 199.964217][ C0] ? __pfx_ret_from_fork+0x10/0x10 [ 199.969361][ C0] ? __switch_to+0xc7d/0x1450 [ 199.974043][ C0] ? __pfx_kthread+0x10/0x10 [ 199.978718][ C0] ret_from_fork_asm+0x1a/0x30 [ 199.983500][ C0] [ 199.986532][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 199.992846][ C0] CPU: 0 UID: 0 PID: 6008 Comm: syz-executor.0 Not tainted syzkaller #0 PREEMPT(full) [ 200.002465][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 200.012604][ C0] RIP: 0010:smp_call_function_many_cond+0xcea/0x12c0 [ 200.019279][ C0] Code: 89 ee 83 e6 01 31 ff e8 34 e3 0b 00 41 83 e5 01 49 bd 00 00 00 00 00 fc ff df 75 07 e8 df de 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 c3 de 0b 00 eb e4 44 [ 200.039137][ C0] RSP: 0018:ffffc9000444f440 EFLAGS: 00000293 [ 200.045202][ C0] RAX: 0000000000000000 RBX: 1ffff110170e812d RCX: ffff88807fb71e40 [ 200.053254][ C0] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 200.061228][ C0] RBP: ffffc9000444f580 R08: ffffffff90113eb7 R09: 1ffffffff20227d6 [ 200.069281][ C0] R10: dffffc0000000000 R11: fffffbfff20227d7 R12: ffff8880b8740968 [ 200.077358][ C0] R13: dffffc0000000000 R14: ffff8880b863bf80 R15: 0000000000000001 [ 200.085335][ C0] FS: 0000000000000000(0000) GS:ffff88812546a000(0000) knlGS:0000000000000000 [ 200.094256][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 200.100830][ C0] CR2: 000055555a4af998 CR3: 000000000e54c000 CR4: 00000000003526f0 [ 200.108803][ C0] Call Trace: [ 200.112078][ C0] [ 200.115011][ C0] ? __pfx_flush_tlb_func+0x10/0x10 [ 200.120354][ C0] ? __pfx_smp_call_function_many_cond+0x10/0x10 [ 200.126684][ C0] ? rcu_is_watching+0x15/0xb0 [ 200.131449][ C0] ? __pfx_flush_tlb_func+0x10/0x10 [ 200.136642][ C0] on_each_cpu_cond_mask+0x3f/0x80 [ 200.141754][ C0] flush_tlb_mm_range+0x5c3/0x10c0 [ 200.146968][ C0] tlb_flush_mmu+0x1af/0xa30 [ 200.151560][ C0] tlb_finish_mmu+0xf9/0x230 [ 200.156155][ C0] free_ldt_pgtables+0x19d/0x350 [ 200.161096][ C0] ? __pfx_free_ldt_pgtables+0x10/0x10 [ 200.166577][ C0] ? down_read+0x272/0x2e0 [ 200.171003][ C0] ? exit_mmap+0x183/0xa00 [ 200.175520][ C0] exit_mmap+0x1b7/0xa00 [ 200.179757][ C0] ? __pfx_exit_mmap+0x10/0x10 [ 200.184536][ C0] ? __pfx_exit_aio+0x10/0x10 [ 200.189227][ C0] ? uprobe_clear_state+0x27c/0x290 [ 200.194431][ C0] __mmput+0x118/0x430 [ 200.198511][ C0] exit_mm+0x168/0x220 [ 200.202583][ C0] do_exit+0x62e/0x2310 [ 200.206741][ C0] ? __pfx_do_exit+0x10/0x10 [ 200.211444][ C0] ? do_raw_spin_lock+0x12b/0x2f0 [ 200.216497][ C0] do_group_exit+0x21b/0x2d0 [ 200.221185][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 200.226403][ C0] get_signal+0x1284/0x1330 [ 200.230926][ C0] arch_do_signal_or_restart+0xbc/0x830 [ 200.236468][ C0] ? __pfx___x64_sys_wait4+0x10/0x10 [ 200.241752][ C0] ? __pfx_arch_do_signal_or_restart+0x10/0x10 [ 200.247922][ C0] exit_to_user_mode_loop+0x86/0x480 [ 200.253217][ C0] ? rcu_is_watching+0x15/0xb0 [ 200.258013][ C0] do_syscall_64+0x32d/0xf80 [ 200.262618][ C0] ? trace_irq_disable+0x3b/0x150 [ 200.267656][ C0] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 200.273730][ C0] ? clear_bhb_loop+0x40/0x90 [ 200.278410][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 200.284386][ C0] RIP: 0033:0x7ff42ec905d7 [ 200.288799][ C0] Code: Unable to access opcode bytes at 0x7ff42ec905ad. [ 200.295807][ C0] RSP: 002b:00007ffea85390a0 EFLAGS: 00000202 ORIG_RAX: 000000000000003d [ 200.304309][ C0] RAX: fffffffffffffe00 RBX: 000055555a4a6480 RCX: 00007ff42ec905d7 [ 200.312284][ C0] RDX: 0000000040000000 RSI: 00007ffea85390fc RDI: ffffffffffffffff [ 200.320338][ C0] RBP: 00007ffea85390fc R08: 0000000000000000 R09: 0000000000000000 [ 200.328330][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffea8539738 [ 200.336841][ C0] R13: 0000000000000002 R14: 00007ff42ed234c0 R15: 00000000fffffff1 [ 200.344842][ C0]