[ 86.014424][ T10] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.1.50' (ED25519) to the list of known hosts. 2026/09/20 09:43:18 ignoring optional flag "type"="gce" 2026/09/20 09:43:18 parsed 1 programs 2026/09/20 09:43:20 executed programs: 0 [ 93.334161][ T5786] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 93.399263][ T52] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 93.400621][ T52] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 93.401140][ T52] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 93.410242][ T52] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 93.411015][ T52] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 94.125746][ T5792] bridge0: port 1(bridge_slave_0) entered blocking state [ 94.125901][ T5792] bridge0: port 1(bridge_slave_0) entered disabled state [ 94.126263][ T5792] bridge_slave_0: entered allmulticast mode [ 94.127831][ T5792] bridge_slave_0: entered promiscuous mode [ 94.130957][ T5792] bridge0: port 2(bridge_slave_1) entered blocking state [ 94.131079][ T5792] bridge0: port 2(bridge_slave_1) entered disabled state [ 94.131201][ T5792] bridge_slave_1: entered allmulticast mode [ 94.133844][ T5792] bridge_slave_1: entered promiscuous mode [ 94.199691][ T5792] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 94.202934][ T5792] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 94.238403][ T5792] team0: Port device team_slave_0 added [ 94.241194][ T5792] team0: Port device team_slave_1 added [ 94.271819][ T5792] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 94.271837][ T5792] 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. [ 94.271863][ T5792] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 94.274478][ T5792] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 94.274492][ T5792] 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. [ 94.274521][ T5792] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 94.369066][ T5792] hsr_slave_0: entered promiscuous mode [ 94.369924][ T5792] hsr_slave_1: entered promiscuous mode [ 94.875678][ T5792] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 94.880821][ T5792] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 94.887612][ T5792] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 94.897847][ T5792] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 94.900487][ T5792] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 94.918010][ T5792] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 94.922318][ T5792] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 94.937269][ T5792] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 94.967509][ T5792] bridge0: port 2(bridge_slave_1) entered blocking state [ 94.967632][ T5792] bridge0: port 2(bridge_slave_1) entered forwarding state [ 94.967925][ T5792] bridge0: port 1(bridge_slave_0) entered blocking state [ 94.968061][ T5792] bridge0: port 1(bridge_slave_0) entered forwarding state [ 94.980573][ T61] bridge0: port 1(bridge_slave_0) entered disabled state [ 94.988145][ T61] bridge0: port 2(bridge_slave_1) entered disabled state [ 95.083260][ T5792] 8021q: adding VLAN 0 to HW filter on device bond0 [ 95.111087][ T5792] 8021q: adding VLAN 0 to HW filter on device team0 [ 95.124912][ T61] bridge0: port 1(bridge_slave_0) entered blocking state [ 95.125014][ T61] bridge0: port 1(bridge_slave_0) entered forwarding state [ 95.131162][ T1345] bridge0: port 2(bridge_slave_1) entered blocking state [ 95.131263][ T1345] bridge0: port 2(bridge_slave_1) entered forwarding state [ 95.453783][ T52] Bluetooth: hci0: command tx timeout [ 95.708175][ T5792] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 95.771172][ T5792] veth0_vlan: entered promiscuous mode [ 95.793673][ T5792] veth1_vlan: entered promiscuous mode [ 95.832673][ T5792] veth0_macvtap: entered promiscuous mode [ 95.837654][ T5792] veth1_macvtap: entered promiscuous mode [ 95.858699][ T5792] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 95.875405][ T5792] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 95.942106][ T1345] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 95.942156][ T1345] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 95.942195][ T1345] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 95.942234][ T1345] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 201.021930][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 201.028897][ C0] rcu: 1-...!: (0 ticks this GP) idle=b1c4/1/0x4000000000000000 softirq=16482/16482 fqs=2 [ 201.038877][ C0] rcu: (detected by 0, t=10502 jiffies, g=14857, q=227 ncpus=2) [ 201.046588][ C0] Sending NMI from CPU 0 to CPUs 1: [ 201.051788][ C1] NMI backtrace for cpu 1 [ 201.051805][ C1] CPU: 1 UID: 0 PID: 5878 Comm: syz-executor.0 Not tainted syzkaller #0 PREEMPT(full) [ 201.051830][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2026 [ 201.051844][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x8/0x80 [ 201.051886][ C1] Code: 8b 3d e4 ad a6 0c 48 89 de 5b e9 83 85 64 00 cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 8b 04 24 <65> 48 8b 0d 78 4d cd 11 65 48 8b 15 78 4d cd 11 f7 c2 00 01 00 ff [ 201.051918][ C1] RSP: 0018:ffffc90000a18c88 EFLAGS: 00000087 [ 201.051939][ C1] RAX: ffffffff89ede8e9 RBX: ffff888078d52930 RCX: ffff888028459f40 [ 201.051956][ C1] RDX: 0000000001000001 RSI: 0000000000000000 RDI: 0000000000000011 [ 201.051970][ C1] RBP: 0000000000000000 R08: 0000000001000001 R09: 1ffff110062f4e54 [ 201.051986][ C1] R10: dffffc0000000000 R11: ffffed10062f4e55 R12: 0000000000000000 [ 201.052001][ C1] R13: ffff888028fd1c00 R14: 0000000000000000 R15: 0000000000000000 [ 201.052019][ C1] FS: 00007fc34e3db6c0(0000) GS:ffff888124dce000(0000) knlGS:0000000000000000 [ 201.052038][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 201.052054][ C1] CR2: 0000000020000600 CR3: 000000002ecb8000 CR4: 0000000000350ef0 [ 201.052071][ C1] Call Trace: [ 201.052082][ C1] [ 201.052090][ C1] taprio_set_budgets+0x229/0x3a0 [ 201.052151][ C1] advance_sched+0x970/0xc80 [ 201.052184][ C1] ? __pfx_advance_sched+0x10/0x10 [ 201.052208][ C1] __hrtimer_run_queues+0x3bc/0xa10 [ 201.052253][ C1] hrtimer_interrupt+0x4cd/0xaa0 [ 201.052305][ C1] __sysvec_apic_timer_interrupt+0x102/0x430 [ 201.052335][ C1] sysvec_apic_timer_interrupt+0xa1/0xc0 [ 201.052363][ C1] [ 201.052371][ C1] [ 201.052380][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 201.052405][ C1] RIP: 0010:_raw_spin_unlock_irqrestore+0x47/0x80 [ 201.052432][ C1] Code: f7 e8 2d 58 bb f5 f7 c3 00 02 00 00 74 05 e8 90 a2 e7 f5 9c 58 a9 00 02 00 00 75 29 f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 94 65 ac f5 65 48 8b 05 0c a1 ac 07 48 85 c0 74 18 5b 41 5e e9 [ 201.052449][ C1] RSP: 0018:ffffc90002db7aa8 EFLAGS: 00000206 [ 201.052468][ C1] RAX: 0000000000000002 RBX: 0000000000000246 RCX: 8000000000000001 [ 201.052483][ C1] RDX: 0000000000000000 RSI: ffffffff8e414979 RDI: 0000000000000001 [ 201.052498][ C1] RBP: ffffc90002db7bd0 R08: ffffffff907a4e7f R09: 1ffffffff20f49cf [ 201.052515][ C1] R10: dffffc0000000000 R11: fffffbfff20f49d0 R12: dffffc0000000000 [ 201.052532][ C1] R13: 0000000000000005 R14: ffffffff9aa2a9f8 R15: 1ffff920005b6f64 [ 201.052561][ C1] __do_adjtimex+0xb39/0xe50 [ 201.052591][ C1] ? do_adjtimex+0xd1/0x370 [ 201.052619][ C1] ? __pfx___do_adjtimex+0x10/0x10 [ 201.052655][ C1] do_adjtimex+0xd1/0x370 [ 201.052681][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 201.052708][ C1] ? lock_acquire+0x115/0x350 [ 201.052730][ C1] ? __pfx_do_adjtimex+0x10/0x10 [ 201.052772][ C1] __x64_sys_clock_adjtime+0x252/0x340 [ 201.052807][ C1] ? __pfx___x64_sys_clock_adjtime+0x10/0x10 [ 201.052855][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 201.052881][ C1] ? rcu_is_watching+0x16/0xb0 [ 201.052922][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 201.052957][ C1] do_syscall_64+0x166/0x520 [ 201.052985][ C1] ? trace_irq_disable+0x3b/0x140 [ 201.053009][ C1] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 201.053035][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 201.053058][ C1] RIP: 0033:0x7fc34d66e3b9 [ 201.053079][ 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 [ 201.053096][ C1] RSP: 002b:00007fc34e3db078 EFLAGS: 00000246 ORIG_RAX: 0000000000000131 [ 201.053118][ C1] RAX: ffffffffffffffda RBX: 00007fc34d7abf80 RCX: 00007fc34d66e3b9 [ 201.053135][ C1] RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000000 [ 201.053154][ C1] RBP: 00007fc34d6cf498 R08: 0000000000000000 R09: 0000000000000000 [ 201.053169][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 201.053182][ C1] R13: 000000000000000b R14: 00007fc34d7abf80 R15: 00007ffd6e0858c8 [ 201.053209][ C1] [ 201.456349][ C0] rcu: rcu_preempt kthread starved for 10498 jiffies! g14857 f0x0 RCU_GP_WAIT_FQS(5) ->state=R ->cpu=0 [ 201.467365][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 201.477322][ C0] rcu: RCU grace-period kthread stack dump: [ 201.483197][ C0] task:rcu_preempt state:R running task stack:28152 pid:17 tgid:17 ppid:2 task_flags:0x208040 flags:0x00080000 [ 201.496699][ C0] Call Trace: [ 201.499977][ C0] [ 201.502903][ C0] __schedule+0x17db/0x58f0 [ 201.507409][ C0] ? __lock_acquire+0x747/0x2de0 [ 201.512358][ C0] ? do_raw_spin_unlock+0xf5/0x200 [ 201.517481][ C0] ? __pfx___schedule+0x10/0x10 [ 201.522327][ C0] ? lock_acquire+0x115/0x350 [ 201.527096][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 201.532734][ C0] ? schedule+0x90/0x2b0 [ 201.536981][ C0] schedule+0x164/0x2b0 [ 201.541142][ C0] schedule_timeout+0x152/0x2c0 [ 201.545996][ C0] ? __pfx_schedule_timeout+0x10/0x10 [ 201.551364][ C0] ? __pfx_process_timeout+0x10/0x10 [ 201.556664][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 201.562295][ C0] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 201.568101][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 201.573738][ C0] ? prepare_to_swait_event+0x322/0x350 [ 201.579297][ C0] rcu_gp_fqs_loop+0x30c/0x11f0 [ 201.584165][ C0] ? __pfx_rcu_watching_snap_recheck+0x10/0x10 [ 201.590320][ C0] ? __pfx_rcu_gp_fqs_loop+0x10/0x10 [ 201.595602][ C0] ? _raw_spin_unlock_irq+0x2e/0x50 [ 201.600809][ C0] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 201.606616][ C0] rcu_gp_kthread+0x9e/0x2b0 [ 201.611208][ C0] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 201.616404][ C0] ? __kthread_parkme+0x71/0x1f0 [ 201.621349][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 201.627070][ C0] ? __kthread_parkme+0x199/0x1f0 [ 201.632109][ C0] kthread+0x38b/0x480 [ 201.636206][ C0] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 201.641399][ C0] ? __pfx_kthread+0x10/0x10 [ 201.645984][ C0] ret_from_fork+0x514/0xb70 [ 201.650569][ C0] ? __pfx_ret_from_fork+0x10/0x10 [ 201.655671][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 201.661301][ C0] ? __switch_to+0xc89/0x1420 [ 201.665987][ C0] ? __pfx_kthread+0x10/0x10 [ 201.670573][ C0] ret_from_fork_asm+0x1a/0x30 [ 201.675361][ C0] [ 201.678366][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 201.684676][ C0] CPU: 0 UID: 0 PID: 5788 Comm: udevd Not tainted syzkaller #0 PREEMPT(full) [ 201.693514][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2026 [ 201.703728][ C0] RIP: 0010:smp_call_function_many_cond+0x61c/0x1500 [ 201.710400][ C0] Code: 41 0f b6 04 04 84 c0 0f 85 d5 03 00 00 44 8b 3b 44 89 fe 83 e6 01 31 ff e8 31 56 0c 00 41 83 e7 01 75 07 e8 26 51 0c 00 eb 3f 90 48 b8 00 00 00 00 00 fc ff df 41 0f b6 04 04 84 c0 75 0f f7 [ 201.729995][ C0] RSP: 0000:ffffc90003d27720 EFLAGS: 00000293 [ 201.736089][ C0] RAX: ffffffff81bb817e RBX: ffff8880b87414c8 RCX: ffff8880292c8000 [ 201.744053][ C0] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 201.752011][ C0] RBP: ffffc90003d27870 R08: ffff8880292c959f R09: 1ffff110052592b3 [ 201.759975][ C0] R10: dffffc0000000000 R11: ffffffff8179dc60 R12: 1ffff110170e8299 [ 201.767938][ C0] R13: 0000000000000001 R14: ffff8880b87414c0 R15: 0000000000000001 [ 201.775924][ C0] FS: 00007f3d59f67880(0000) GS:ffff888124cce000(0000) knlGS:0000000000000000 [ 201.784846][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 201.791418][ C0] CR2: 00007f3d599f85e0 CR3: 000000007aaab000 CR4: 0000000000350ef0 [ 201.799385][ C0] Call Trace: [ 201.802655][ C0] [ 201.805583][ C0] ? __pfx_flush_tlb_func+0x10/0x10 [ 201.810797][ C0] ? __pfx_should_flush_tlb+0x10/0x10 [ 201.816179][ C0] ? __pfx_smp_call_function_many_cond+0x10/0x10 [ 201.822504][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 201.828137][ C0] ? rcu_is_watching+0x16/0xb0 [ 201.832903][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 201.838534][ C0] ? trace_tlb_flush+0x3c/0x160 [ 201.843401][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 201.849038][ C0] flush_tlb_mm_range+0x8ff/0x1090 [ 201.854160][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 201.859789][ C0] ? __lock_acquire+0x747/0x2de0 [ 201.864725][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 201.870359][ C0] ? __pfx_flush_tlb_mm_range+0x10/0x10 [ 201.875910][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 201.881543][ C0] ? lock_acquire+0x115/0x350 [ 201.886220][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 201.891853][ C0] ? page_table_check_clear+0x124/0x500 [ 201.897398][ C0] ? page_table_check_clear+0x124/0x500 [ 201.902968][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 201.908598][ C0] ? page_table_check_clear+0x49d/0x500 [ 201.914139][ C0] ? page_table_check_clear+0x124/0x500 [ 201.919696][ C0] ptep_clear_flush+0x120/0x170 [ 201.924552][ C0] do_wp_page+0x3c5c/0x4b80 [ 201.929063][ C0] ? do_wp_page+0x3666/0x4b80 [ 201.933752][ C0] ? __pfx_do_wp_page+0x10/0x10 [ 201.938599][ C0] ? do_raw_spin_lock+0x12b/0x2f0 [ 201.943631][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 201.949004][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 201.954645][ C0] handle_mm_fault+0x15d7/0x3750 [ 201.959599][ C0] ? handle_mm_fault+0xf1/0x3750 [ 201.964557][ C0] ? __pfx_handle_mm_fault+0x10/0x10 [ 201.969841][ C0] ? lock_vma_under_rcu+0x45a/0x500 [ 201.975044][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 201.980703][ C0] do_user_addr_fault+0xa4f/0x1340 [ 201.985821][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 201.991454][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 201.997083][ C0] ? trace_page_fault_user+0x84/0x1e0 [ 202.002455][ C0] exc_page_fault+0x6a/0xc0 [ 202.006965][ C0] asm_exc_page_fault+0x26/0x30 [ 202.011812][ C0] RIP: 0033:0x7f3d598f77c8 [ 202.016219][ C0] Code: 66 90 48 8b 05 79 96 0f 00 53 48 8b 1d 19 97 0f 00 66 0f 6e 08 8b 44 24 10 66 0f 6e 03 50 48 8d 05 1d 0e 10 00 50 66 0f 62 c1 <66> 0f d6 05 10 0e 10 00 e8 db f9 ff ff 8b 15 05 0e 10 00 48 8b 0d [ 202.035813][ C0] RSP: 002b:00007fff323d5d60 EFLAGS: 00010246 [ 202.041874][ C0] RAX: 00007f3d599f85e0 RBX: 00007f3d599f1248 RCX: 00005600208c3660 [ 202.049837][ C0] RDX: 00005600208b295f RSI: 00007fff323d5ed0 RDI: 0000000000000001 [ 202.057799][ C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 [ 202.065757][ C0] R10: 00007fff323d62d5 R11: 0000000000000000 R12: 00005600208b295f [ 202.073718][ C0] R13: 00005600208c3660 R14: 0000000000000000 R15: 00005600208b8bcc [ 202.081699][ C0]