[ 86.701021][ T24] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.1.102' (ED25519) to the list of known hosts. 2026/03/06 16:42:04 ignoring optional flag "type"="gce" 2026/03/06 16:42:04 parsed 1 programs 2026/03/06 16:42:06 executed programs: 0 [ 89.773480][ T6006] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 89.824260][ T51] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 89.832530][ T51] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 89.840647][ T51] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 89.848477][ T51] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 89.856710][ T51] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 89.983711][ T6011] chnl_net:caif_netlink_parms(): no params data found [ 90.050496][ T6011] bridge0: port 1(bridge_slave_0) entered blocking state [ 90.057592][ T6011] bridge0: port 1(bridge_slave_0) entered disabled state [ 90.065605][ T6011] bridge_slave_0: entered allmulticast mode [ 90.072689][ T6011] bridge_slave_0: entered promiscuous mode [ 90.080807][ T6011] bridge0: port 2(bridge_slave_1) entered blocking state [ 90.087935][ T6011] bridge0: port 2(bridge_slave_1) entered disabled state [ 90.095188][ T6011] bridge_slave_1: entered allmulticast mode [ 90.102319][ T6011] bridge_slave_1: entered promiscuous mode [ 90.128707][ T6011] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 90.140277][ T6011] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 90.169122][ T6011] team0: Port device team_slave_0 added [ 90.177135][ T6011] team0: Port device team_slave_1 added [ 90.202186][ T6011] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 90.209153][ T6011] 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. [ 90.235722][ T6011] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 90.248140][ T6011] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 90.255596][ T6011] 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. [ 90.281636][ T6011] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 90.320254][ T6011] hsr_slave_0: entered promiscuous mode [ 90.326994][ T6011] hsr_slave_1: entered promiscuous mode [ 90.834616][ T6011] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 90.850044][ T6011] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 90.862371][ T6011] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 90.876145][ T6011] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 90.920800][ T6011] bridge0: port 2(bridge_slave_1) entered blocking state [ 90.927962][ T6011] bridge0: port 2(bridge_slave_1) entered forwarding state [ 90.935469][ T6011] bridge0: port 1(bridge_slave_0) entered blocking state [ 90.942663][ T6011] bridge0: port 1(bridge_slave_0) entered forwarding state [ 91.010452][ T6011] 8021q: adding VLAN 0 to HW filter on device bond0 [ 91.024581][ T106] bridge0: port 1(bridge_slave_0) entered disabled state [ 91.033584][ T106] bridge0: port 2(bridge_slave_1) entered disabled state [ 91.058225][ T6011] 8021q: adding VLAN 0 to HW filter on device team0 [ 91.076464][ T35] bridge0: port 1(bridge_slave_0) entered blocking state [ 91.083672][ T35] bridge0: port 1(bridge_slave_0) entered forwarding state [ 91.097502][ T106] bridge0: port 2(bridge_slave_1) entered blocking state [ 91.104677][ T106] bridge0: port 2(bridge_slave_1) entered forwarding state [ 91.346818][ T6011] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 91.405719][ T6011] veth0_vlan: entered promiscuous mode [ 91.419009][ T6011] veth1_vlan: entered promiscuous mode [ 91.458117][ T6011] veth0_macvtap: entered promiscuous mode [ 91.470107][ T6011] veth1_macvtap: entered promiscuous mode [ 91.493820][ T6011] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 91.513022][ T6011] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 91.532137][ T106] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 91.557996][ T106] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 91.576808][ T106] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 91.600240][ T106] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 196.669227][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 196.676292][ C0] rcu: 1-...!: (1 GPs behind) idle=3dbc/1/0x4000000000000000 softirq=14995/14999 fqs=3 [ 196.686456][ C0] rcu: (detected by 0, t=10502 jiffies, g=11933, q=302 ncpus=2) [ 196.694194][ C0] Sending NMI from CPU 0 to CPUs 1: [ 196.694232][ C1] NMI backtrace for cpu 1 [ 196.694262][ C1] CPU: 1 UID: 0 PID: 6071 Comm: syz-executor.0 Not tainted syzkaller #0 PREEMPT(full) [ 196.694296][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 196.694315][ C1] RIP: 0010:_raw_spin_lock_irqsave+0x3b/0x60 [ 196.694361][ C1] Code: 00 00 74 05 e8 06 24 1d f6 bf 01 00 00 00 e8 dc 87 e3 f5 49 8d 7e 18 31 f6 31 d2 31 c9 41 b8 01 00 00 00 45 31 c9 ff 74 24 10 c0 24 f1 f5 48 83 c4 08 4c 89 f7 e8 c4 c5 f1 f5 48 89 d8 5b 41 [ 196.694373][ C1] RSP: 0018:ffffc90000a08c88 EFLAGS: 00000046 [ 196.694390][ C1] RAX: 0000000000010204 RBX: 0000000000000086 RCX: 0000000000000000 [ 196.694399][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff9a468d60 [ 196.694409][ C1] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 196.694417][ C1] R10: dffffc0000000000 R11: fffff52000141198 R12: ffffffff9a468d40 [ 196.694427][ C1] R13: dffffc0000000000 R14: ffffffff9a468d48 R15: ffff8880b8728300 [ 196.694438][ C1] FS: 00007f8ac56336c0(0000) GS:ffff888125563000(0000) knlGS:0000000000000000 [ 196.694450][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 196.694460][ C1] CR2: 00007f8ac49a8000 CR3: 00000000799e4000 CR4: 00000000003526f0 [ 196.694473][ C1] Call Trace: [ 196.694480][ C1] [ 196.694486][ C1] ? debug_object_activate+0x83/0x580 [ 196.694509][ C1] debug_object_activate+0x83/0x580 [ 196.694530][ C1] enqueue_hrtimer+0x30/0x3c0 [ 196.694553][ C1] __hrtimer_run_queues+0x650/0xcc0 [ 196.694580][ C1] ? __pfx___hrtimer_run_queues+0x10/0x10 [ 196.694598][ C1] ? ktime_get_update_offsets_now+0x3b2/0x3d0 [ 196.694619][ C1] hrtimer_interrupt+0x42b/0x1010 [ 196.694649][ C1] __sysvec_apic_timer_interrupt+0x102/0x460 [ 196.694671][ C1] sysvec_apic_timer_interrupt+0xa1/0xc0 [ 196.694693][ C1] [ 196.694698][ C1] [ 196.694704][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 196.694720][ C1] RIP: 0010:_raw_spin_unlock_irqrestore+0x47/0x80 [ 196.694740][ C1] Code: f7 e8 fd c8 f1 f5 f7 c3 00 02 00 00 74 05 e8 70 20 1d f6 9c 58 a9 00 02 00 00 75 27 f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 c4 87 e3 f5 65 8b 05 0d 70 6b 07 85 c0 74 18 5b 41 5e c3 cc cc [ 196.694751][ C1] RSP: 0018:ffffc90004a2ee88 EFLAGS: 00000206 [ 196.694763][ C1] RAX: 0000000000000006 RBX: 0000000000000282 RCX: 0000000080000202 [ 196.694777][ C1] RDX: 0000000000000002 RSI: ffffffff8def348f RDI: 0000000000000001 [ 196.694787][ C1] RBP: ffffc90004a2f170 R08: ffffffff901194b7 R09: 1ffffffff2023296 [ 196.694797][ C1] R10: dffffc0000000000 R11: fffffbfff2023297 R12: ffff888029c47290 [ 196.694808][ C1] R13: dffffc0000000000 R14: ffff888029c472a8 R15: ffff888029c472f8 [ 196.694826][ C1] taprio_change+0x30fe/0x3e50 [ 196.694860][ C1] ? __pfx_taprio_change+0x10/0x10 [ 196.694884][ C1] ? __mutex_unlock_slowpath+0x1bd/0x7d0 [ 196.694900][ C1] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 196.694924][ C1] taprio_init+0x96f/0xbe0 [ 196.694948][ C1] ? __pfx_taprio_init+0x10/0x10 [ 196.694966][ C1] ? lockdep_rtnl_is_held+0x26/0x40 [ 196.694980][ C1] ? qdisc_lookup+0x36d/0x6d0 [ 196.694994][ C1] ? __pfx_taprio_init+0x10/0x10 [ 196.695011][ C1] qdisc_create+0x7c4/0xf20 [ 196.695031][ C1] tc_modify_qdisc+0x16f0/0x2290 [ 196.695046][ C1] ? rcu_is_watching+0x15/0xb0 [ 196.695071][ C1] ? __pfx_tc_modify_qdisc+0x10/0x10 [ 196.695086][ C1] ? __dev_queue_xmit+0x277/0x3890 [ 196.695112][ C1] ? __pfx_tc_modify_qdisc+0x10/0x10 [ 196.695126][ C1] rtnetlink_rcv_msg+0x77e/0xbe0 [ 196.695147][ C1] ? rtnetlink_rcv_msg+0x1b9/0xbe0 [ 196.695164][ C1] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 196.695182][ C1] ? ref_tracker_free+0x693/0x840 [ 196.695199][ C1] ? __copy_skb_header+0xa3/0x4a0 [ 196.695214][ C1] ? __pfx_ref_tracker_free+0x10/0x10 [ 196.695231][ C1] ? __skb_clone+0x63/0x7a0 [ 196.695247][ C1] netlink_rcv_skb+0x232/0x4b0 [ 196.695267][ C1] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 196.695286][ C1] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 196.695307][ C1] ? netlink_deliver_tap+0x2e/0x1b0 [ 196.695329][ C1] netlink_unicast+0x80f/0x9b0 [ 196.695348][ C1] ? __pfx_netlink_unicast+0x10/0x10 [ 196.695361][ C1] ? netlink_sendmsg+0x650/0xb40 [ 196.695377][ C1] ? skb_put+0x11b/0x210 [ 196.695397][ C1] netlink_sendmsg+0x813/0xb40 [ 196.695419][ C1] ? __pfx_netlink_sendmsg+0x10/0x10 [ 196.695439][ C1] ? aa_sock_msg_perm+0xf1/0x1b0 [ 196.695457][ C1] ? bpf_lsm_socket_sendmsg+0x9/0x20 [ 196.695475][ C1] ____sys_sendmsg+0x972/0x9f0 [ 196.695500][ C1] ? __pfx_____sys_sendmsg+0x10/0x10 [ 196.695525][ C1] ? import_iovec+0x73/0xa0 [ 196.695547][ C1] ___sys_sendmsg+0x2a5/0x360 [ 196.695562][ C1] ? __pfx____sys_sendmsg+0x10/0x10 [ 196.695579][ C1] ? futex_wake+0x4ac/0x580 [ 196.695609][ C1] ? __fget_files+0x2a/0x420 [ 196.695629][ C1] ? __fget_files+0x3a0/0x420 [ 196.695653][ C1] __x64_sys_sendmsg+0x1bd/0x2a0 [ 196.695667][ C1] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 196.695685][ C1] ? rcu_is_watching+0x15/0xb0 [ 196.695708][ C1] do_syscall_64+0x14d/0xf80 [ 196.695729][ C1] ? trace_irq_disable+0x3b/0x150 [ 196.695749][ C1] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 196.695763][ C1] ? clear_bhb_loop+0x40/0x90 [ 196.695779][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 196.695793][ C1] RIP: 0033:0x7f8ac486e3b9 [ 196.695815][ C1] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 d0 ff ff ff f7 d8 64 89 01 48 [ 196.695826][ C1] RSP: 002b:00007f8ac5633078 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 196.695841][ C1] RAX: ffffffffffffffda RBX: 00007f8ac49abf80 RCX: 00007f8ac486e3b9 [ 196.695856][ C1] RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000004 [ 196.695864][ C1] RBP: 00007f8ac48cf498 R08: 0000000000000000 R09: 0000000000000000 [ 196.695874][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 196.695882][ C1] R13: 000000000000000b R14: 00007f8ac49abf80 R15: 00007ffeb924ec08 [ 196.695899][ C1] [ 196.696219][ C0] rcu: rcu_preempt kthread starved for 10496 jiffies! g11933 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 197.295776][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 197.305743][ C0] rcu: RCU grace-period kthread stack dump: [ 197.311791][ C0] task:rcu_preempt state:R running task stack:27744 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00080000 [ 197.325352][ C0] Call Trace: [ 197.328736][ C0] [ 197.331671][ C0] __schedule+0x15dd/0x52d0 [ 197.336187][ C0] ? __lock_acquire+0x6b5/0x2cf0 [ 197.341147][ C0] ? __pfx___schedule+0x10/0x10 [ 197.346008][ C0] ? schedule+0x90/0x360 [ 197.350254][ C0] schedule+0x164/0x360 [ 197.354593][ C0] schedule_timeout+0x158/0x2c0 [ 197.359447][ C0] ? __pfx_schedule_timeout+0x10/0x10 [ 197.364822][ C0] ? __pfx_process_timeout+0x10/0x10 [ 197.370114][ C0] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 197.375938][ C0] ? prepare_to_swait_event+0x340/0x370 [ 197.381678][ C0] rcu_gp_fqs_loop+0x312/0x11d0 [ 197.386581][ C0] ? __pfx_rcu_watching_snap_recheck+0x10/0x10 [ 197.392743][ C0] ? __pfx_rcu_gp_fqs_loop+0x10/0x10 [ 197.398059][ C0] ? _raw_spin_unlock_irq+0x2e/0x50 [ 197.403268][ C0] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 197.409122][ C0] rcu_gp_kthread+0x9e/0x2b0 [ 197.413719][ C0] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 197.418924][ C0] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 197.424735][ C0] ? __kthread_parkme+0x7a/0x1f0 [ 197.429691][ C0] ? __kthread_parkme+0x19c/0x1f0 [ 197.434740][ C0] kthread+0x388/0x470 [ 197.438818][ C0] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 197.444202][ C0] ? __pfx_kthread+0x10/0x10 [ 197.449077][ C0] ret_from_fork+0x51e/0xb90 [ 197.453694][ C0] ? __pfx_ret_from_fork+0x10/0x10 [ 197.458817][ C0] ? __switch_to+0xc7d/0x1450 [ 197.463504][ C0] ? __pfx_kthread+0x10/0x10 [ 197.468096][ C0] ret_from_fork_asm+0x1a/0x30 [ 197.472879][ C0] [ 197.475911][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 197.482227][ C0] CPU: 0 UID: 0 PID: 5486 Comm: dhcpcd Not tainted syzkaller #0 PREEMPT(full) [ 197.491244][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 197.501296][ C0] RIP: 0010:smp_call_function_many_cond+0xce5/0x12c0 [ 197.507981][ C0] Code: 45 8b 2c 24 44 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 [ 197.527669][ C0] RSP: 0018:ffffc90003617560 EFLAGS: 00000293 [ 197.533740][ C0] RAX: ffffffff81b9b7bd RBX: 1ffff110170e812d RCX: ffff88802a870000 [ 197.541970][ C0] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 197.550023][ C0] RBP: ffffc900036176a0 R08: ffffffff901194b7 R09: 1ffffffff2023296 [ 197.557990][ C0] R10: dffffc0000000000 R11: fffffbfff2023297 R12: ffff8880b8740968 [ 197.565960][ C0] R13: dffffc0000000000 R14: ffff8880b863bf80 R15: 0000000000000001 [ 197.573929][ C0] FS: 00007f65ae4bb780(0000) GS:ffff888125463000(0000) knlGS:0000000000000000 [ 197.582857][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 197.589523][ C0] CR2: 00007f65ae3f9ff8 CR3: 0000000036bc4000 CR4: 00000000003526f0 [ 197.597494][ C0] Call Trace: [ 197.600774][ C0] [ 197.603697][ C0] ? kasan_quarantine_put+0xbb/0x1f0 [ 197.608986][ C0] ? __pfx_should_flush_tlb+0x10/0x10 [ 197.614356][ C0] ? __pfx_flush_tlb_func+0x10/0x10 [ 197.619560][ C0] ? __pfx_smp_call_function_many_cond+0x10/0x10 [ 197.625976][ C0] ? rcu_is_watching+0x15/0xb0 [ 197.630742][ C0] ? __pfx_should_flush_tlb+0x10/0x10 [ 197.636112][ C0] ? __pfx_flush_tlb_func+0x10/0x10 [ 197.641313][ C0] on_each_cpu_cond_mask+0x3f/0x80 [ 197.646445][ C0] flush_tlb_mm_range+0x5c3/0x10c0 [ 197.651571][ C0] tlb_flush_mmu+0x1af/0xa30 [ 197.656166][ C0] tlb_finish_mmu+0xf9/0x230 [ 197.660760][ C0] unmap_region+0x2a5/0x330 [ 197.665261][ C0] ? vms_complete_munmap_vmas+0x247/0xc60 [ 197.670991][ C0] ? __pfx_unmap_region+0x10/0x10 [ 197.676026][ C0] ? __mas_set_range+0x12f/0x3c0 [ 197.680968][ C0] vms_complete_munmap_vmas+0x493/0xc60 [ 197.686525][ C0] ? __pfx_vms_complete_munmap_vmas+0x10/0x10 [ 197.692589][ C0] ? __wait_for_common+0x5ae/0x690 [ 197.697707][ C0] ? __mas_set_range+0x12f/0x3c0 [ 197.702652][ C0] do_vmi_align_munmap+0x3b7/0x4b0 [ 197.707780][ C0] ? __pfx_do_vmi_align_munmap+0x10/0x10 [ 197.713441][ C0] do_vmi_munmap+0x252/0x2d0 [ 197.718040][ C0] __vm_munmap+0x22c/0x3d0 [ 197.722461][ C0] ? __pfx___vm_munmap+0x10/0x10 [ 197.727412][ C0] ? rcu_is_watching+0x15/0xb0 [ 197.732186][ C0] __x64_sys_munmap+0x60/0x70 [ 197.737585][ C0] do_syscall_64+0x14d/0xf80 [ 197.742202][ C0] ? trace_irq_disable+0x3b/0x150 [ 197.747410][ C0] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 197.753479][ C0] ? clear_bhb_loop+0x40/0x90 [ 197.758159][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 197.764051][ C0] RIP: 0033:0x7f65ae5bc097 [ 197.768463][ C0] Code: 73 01 c3 48 8b 0d 61 2d 0d 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 0b 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 31 2d 0d 00 f7 d8 64 89 01 48 [ 197.788075][ C0] RSP: 002b:00007ffef1e2f798 EFLAGS: 00000202 ORIG_RAX: 000000000000000b [ 197.796500][ C0] RAX: ffffffffffffffda RBX: 0000000000009000 RCX: 00007f65ae5bc097 [ 197.804468][ C0] RDX: 00007f65ae5a9dd0 RSI: 0000000000009000 RDI: 00007f65ae3f1000 [ 197.812439][ C0] RBP: 00007f65ae3f1000 R08: 00000000000017b8 R09: 0000000000000000 [ 197.820409][ C0] R10: 0000000000000008 R11: 0000000000000202 R12: 0000000000000000 [ 197.828377][ C0] R13: 00007ffef1e2f7d0 R14: 0000000000000001 R15: 00007f65ae5a9dd0 [ 197.836360][ C0]