Warning: Permanently added '10.128.1.215' (ED25519) to the list of known hosts. 2026/03/22 17:25:58 parsed 1 programs 2026/03/22 17:25:58 executed programs: 0 [ 84.680387][ T6014] cgroup: Unknown subsys name 'cpuset' [ 84.786390][ T6014] chnl_net:caif_netlink_parms(): no params data found [ 84.848386][ T6014] bridge0: port 1(bridge_slave_0) entered blocking state [ 84.855857][ T6014] bridge0: port 1(bridge_slave_0) entered disabled state [ 84.863148][ T6014] bridge_slave_0: entered allmulticast mode [ 84.870071][ T6014] bridge_slave_0: entered promiscuous mode [ 84.877927][ T6014] bridge0: port 2(bridge_slave_1) entered blocking state [ 84.885149][ T6014] bridge0: port 2(bridge_slave_1) entered disabled state [ 84.893118][ T6014] bridge_slave_1: entered allmulticast mode [ 84.899944][ T6014] bridge_slave_1: entered promiscuous mode [ 84.927046][ T6014] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 84.939336][ T6014] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 84.968247][ T6014] team0: Port device team_slave_0 added [ 84.975938][ T6014] team0: Port device team_slave_1 added [ 84.999972][ T6014] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 85.007622][ T6014] 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. [ 85.033956][ T6014] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 85.046188][ T6014] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 85.053626][ T6014] 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. [ 85.079895][ T6014] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 85.113874][ T6014] hsr_slave_0: entered promiscuous mode [ 85.120078][ T6014] hsr_slave_1: entered promiscuous mode [ 85.218211][ T6014] bridge0: port 2(bridge_slave_1) entered blocking state [ 85.225367][ T6014] bridge0: port 2(bridge_slave_1) entered forwarding state [ 85.232928][ T6014] bridge0: port 1(bridge_slave_0) entered blocking state [ 85.240505][ T6014] bridge0: port 1(bridge_slave_0) entered forwarding state [ 85.286720][ T6014] 8021q: adding VLAN 0 to HW filter on device bond0 [ 85.305268][ T143] bridge0: port 1(bridge_slave_0) entered disabled state [ 85.314141][ T143] bridge0: port 2(bridge_slave_1) entered disabled state [ 85.327034][ T6014] 8021q: adding VLAN 0 to HW filter on device team0 [ 85.339536][ T106] bridge0: port 1(bridge_slave_0) entered blocking state [ 85.346950][ T106] bridge0: port 1(bridge_slave_0) entered forwarding state [ 85.359804][ T143] bridge0: port 2(bridge_slave_1) entered blocking state [ 85.367168][ T143] bridge0: port 2(bridge_slave_1) entered forwarding state [ 85.426709][ T6014] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 85.727073][ T6014] veth0_vlan: entered promiscuous mode [ 85.738310][ T6014] veth1_vlan: entered promiscuous mode [ 85.763069][ T6014] veth0_macvtap: entered promiscuous mode [ 85.775033][ T6014] veth1_macvtap: entered promiscuous mode [ 85.792076][ T6014] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 85.806419][ T6014] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 85.883435][ C0] hrtimer: interrupt took 15025448 ns 2026/03/22 17:26:03 executed programs: 2 [ 90.026458][ T796] cfg80211: failed to load regulatory.db 2026/03/22 17:26:41 executed programs: 3 [ 232.772199][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 232.779319][ C1] rcu: 0-...!: (2 GPs behind) idle=09fc/1/0x4000000000000000 softirq=14136/14137 fqs=0 [ 232.789586][ C1] rcu: (detected by 1, t=10502 jiffies, g=11097, q=1074 ncpus=2) [ 232.797593][ C1] Sending NMI from CPU 1 to CPUs 0: [ 232.797632][ C0] NMI backtrace for cpu 0 [ 232.797666][ C0] CPU: 0 UID: 0 PID: 6053 Comm: dhcpcd Not tainted syzkaller #0 PREEMPT(full) [ 232.797684][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 232.797697][ C0] RIP: 0010:check_preemption_disabled+0x22/0xe0 [ 232.797740][ C0] Code: 90 90 90 90 90 90 90 90 55 41 57 41 56 53 65 8b 05 57 73 6d 07 65 8b 0d 4c 73 6d 07 f7 c1 ff ff ff 7f 74 0c 5b 41 5e 41 5f 5d cc cc cc cc cc 9c 59 f7 c1 00 02 00 00 74 ea 65 4c 8b 3d fe 72 [ 232.797754][ C0] RSP: 0018:ffffc90000007d18 EFLAGS: 00000002 [ 232.797774][ C0] RAX: 0000000000000000 RBX: ffff88802f086338 RCX: 0000000000010002 [ 232.797785][ C0] RDX: ffff8880283bdb80 RSI: ffffffff8c27c8e0 RDI: ffffffff8c27c8a0 [ 232.797796][ C0] RBP: ffffc90000007e88 R08: ffffffff9011a7b7 R09: 1ffffffff20234f6 [ 232.797809][ C0] R10: dffffc0000000000 R11: fffffbfff20234f7 R12: ffff88802f086300 [ 232.797825][ C0] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 232.797834][ C0] FS: 0000000000000000(0000) GS:ffff88812545d000(0000) knlGS:0000000000000000 [ 232.797848][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 232.797859][ C0] CR2: 000055f9e5226660 CR3: 000000000e54c000 CR4: 00000000003526f0 [ 232.797873][ C0] Call Trace: [ 232.797882][ C0] [ 232.797887][ C0] rcu_is_watching+0x15/0xb0 [ 232.797913][ C0] __hrtimer_run_queues+0x5c7/0xcc0 [ 232.797944][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10 [ 232.797966][ C0] ? ktime_get_update_offsets_now+0x3b2/0x3d0 [ 232.797990][ C0] hrtimer_interrupt+0x42b/0x1010 [ 232.798024][ C0] __sysvec_apic_timer_interrupt+0x102/0x460 [ 232.798050][ C0] sysvec_apic_timer_interrupt+0xa1/0xc0 [ 232.798068][ C0] [ 232.798073][ C0] [ 232.798080][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 232.798098][ C0] RIP: 0010:lock_acquire+0x20b/0x2e0 [ 232.798118][ C0] Code: e9 30 ff ff ff e8 75 16 0d 0a f7 c3 00 02 00 00 0f 84 38 ff ff ff 65 48 8b 05 f1 a3 7a 11 48 3b 44 24 30 75 33 fb 48 83 c4 38 <5b> 41 5c 41 5d 41 5e 41 5f 5d e9 56 fc 0f 0a cc 48 8d 3d 2e 6f 73 [ 232.798131][ C0] RSP: 0018:ffffc9000488f550 EFLAGS: 00000296 [ 232.798144][ C0] RAX: ed67e50e744c4200 RBX: 0000000000000246 RCX: 0000000080000001 [ 232.798155][ C0] RDX: 00000000747a73c7 RSI: ffffffff8e168ad5 RDI: ffffffff8c27c900 [ 232.798167][ C0] RBP: 0000000000000000 R08: ffffffff823c1fa4 R09: ffffffff8e75e520 [ 232.798178][ C0] R10: dffffc0000000000 R11: fffff94000094fe9 R12: 0000000000000002 [ 232.798189][ C0] R13: ffffffff8e75e520 R14: 0000000000000000 R15: 0000000000000000 [ 232.798202][ C0] ? page_table_check_clear+0x144/0x5f0 [ 232.798225][ C0] page_table_check_clear+0x164/0x5f0 [ 232.798242][ C0] ? page_table_check_clear+0x144/0x5f0 [ 232.798259][ C0] ? page_table_check_clear+0x144/0x5f0 [ 232.798275][ C0] ? vm_normal_page+0x10d/0x240 [ 232.798295][ C0] unmap_page_range+0x33d9/0x48f0 [ 232.798334][ C0] ? __pfx_unmap_page_range+0x10/0x10 [ 232.798358][ C0] ? mas_find+0xb0e/0xd30 [ 232.798374][ C0] ? unmap_vmas+0x1c4/0x6a0 [ 232.798395][ C0] unmap_vmas+0x48f/0x6a0 [ 232.798418][ C0] ? __pfx_unmap_vmas+0x10/0x10 [ 232.798447][ C0] exit_mmap+0x280/0xa10 [ 232.798464][ C0] ? __pfx_exit_mmap+0x10/0x10 [ 232.798489][ C0] ? __pfx_exit_aio+0x10/0x10 [ 232.798518][ C0] ? uprobe_clear_state+0x27c/0x290 [ 232.798539][ C0] __mmput+0x118/0x430 [ 232.798561][ C0] exit_mm+0x168/0x220 [ 232.798578][ C0] do_exit+0x6a2/0x23c0 [ 232.798597][ C0] ? __pfx_do_exit+0x10/0x10 [ 232.798610][ C0] ? do_raw_spin_lock+0x12b/0x2f0 [ 232.798631][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 232.798648][ C0] do_group_exit+0x21b/0x2d0 [ 232.798666][ C0] __x64_sys_exit_group+0x3f/0x40 [ 232.798682][ C0] x64_sys_call+0x221a/0x2240 [ 232.798706][ C0] do_syscall_64+0x14d/0xf80 [ 232.798724][ C0] ? trace_irq_disable+0x3b/0x150 [ 232.798748][ C0] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 232.798765][ C0] ? clear_bhb_loop+0x40/0x90 [ 232.798783][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 232.798799][ C0] RIP: 0033:0x7f076131d6c5 [ 232.798822][ C0] Code: Unable to access opcode bytes at 0x7f076131d69b. [ 232.798830][ C0] RSP: 002b:00007ffc5e39fdd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000e7 [ 232.798846][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f076131d6c5 [ 232.798857][ C0] RDX: 00000000000000e7 RSI: ffffffffffffff88 RDI: 0000000000000001 [ 232.798867][ C0] RBP: 00007ffc5e3a03e8 R08: 000055f9f7c5b2c0 R09: 0000000000000002 [ 232.798877][ C0] R10: 00000000000000e0 R11: 0000000000000206 R12: 00007ffc5e39fe20 [ 232.798888][ C0] R13: 000055f9f7c5c8a0 R14: 00007ffc5e3a0060 R15: 00007ffc5e39fe10 [ 232.798907][ C0] [ 232.799622][ C1] rcu: rcu_preempt kthread starved for 10502 jiffies! g11097 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 233.271021][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 233.281180][ C1] rcu: RCU grace-period kthread stack dump: [ 233.287067][ C1] task:rcu_preempt state:R running task stack:27656 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00080000 [ 233.300686][ C1] Call Trace: [ 233.303973][ C1] [ 233.306919][ C1] __schedule+0x15dd/0x52d0 [ 233.311435][ C1] ? __lock_acquire+0x6b5/0x2cf0 [ 233.316402][ C1] ? __pfx___schedule+0x10/0x10 [ 233.321278][ C1] ? schedule+0x90/0x360 [ 233.325535][ C1] schedule+0x164/0x360 [ 233.329869][ C1] schedule_timeout+0x158/0x2c0 [ 233.334734][ C1] ? __pfx_schedule_timeout+0x10/0x10 [ 233.340134][ C1] ? __pfx_process_timeout+0x10/0x10 [ 233.345519][ C1] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 233.351627][ C1] ? prepare_to_swait_event+0x340/0x370 [ 233.357271][ C1] rcu_gp_fqs_loop+0x312/0x11d0 [ 233.362249][ C1] ? lockdep_hardirqs_on+0x7a/0x110 [ 233.367649][ C1] ? rcu_gp_init+0x1315/0x15b0 [ 233.372429][ C1] ? __pfx_rcu_gp_fqs_loop+0x10/0x10 [ 233.377728][ C1] ? _raw_spin_unlock_irq+0x2e/0x50 [ 233.382950][ C1] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 233.388779][ C1] rcu_gp_kthread+0x9e/0x2b0 [ 233.393474][ C1] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 233.398772][ C1] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 233.404671][ C1] ? __kthread_parkme+0x7a/0x1f0 [ 233.409631][ C1] ? __kthread_parkme+0x19c/0x1f0 [ 233.414673][ C1] kthread+0x388/0x470 [ 233.418780][ C1] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 233.423989][ C1] ? __pfx_kthread+0x10/0x10 [ 233.428664][ C1] ret_from_fork+0x51e/0xb90 [ 233.433436][ C1] ? __pfx_ret_from_fork+0x10/0x10 [ 233.438552][ C1] ? __switch_to+0xc7d/0x1450 [ 233.443252][ C1] ? __pfx_kthread+0x10/0x10 [ 233.447929][ C1] ret_from_fork_asm+0x1a/0x30 [ 233.452715][ C1] [ 233.455739][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 233.462056][ C1] CPU: 1 UID: 0 PID: 6014 Comm: syz-executor.0 Not tainted syzkaller #0 PREEMPT(full) [ 233.471686][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 233.481737][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x30/0x70 [ 233.488002][ C1] Code: 04 24 65 48 8b 0d f8 8e 56 11 65 8b 15 19 8f 56 11 81 e2 00 01 ff 00 74 11 81 fa 00 01 00 00 75 35 83 b9 a4 16 00 00 00 74 2c <8b> 91 80 16 00 00 83 fa 02 75 21 48 8b 91 88 16 00 00 48 8b 32 48 [ 233.507726][ C1] RSP: 0018:ffffc9000457f578 EFLAGS: 00000246 [ 233.514000][ C1] RAX: ffffffff81b9bebd RBX: 1ffff110170c8515 RCX: ffff88801cf35b80 [ 233.522092][ C1] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 233.530165][ C1] RBP: ffffc9000457f6a8 R08: ffffffff9011a7b7 R09: 1ffffffff20234f6 [ 233.538227][ C1] R10: dffffc0000000000 R11: fffffbfff20234f7 R12: ffff8880b86428a8 [ 233.546198][ C1] R13: dffffc0000000000 R14: ffff8880b873bf80 R15: 0000000000000000 [ 233.554170][ C1] FS: 0000000006d604c0(0000) GS:ffff88812555d000(0000) knlGS:0000000000000000 [ 233.563115][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 233.569698][ C1] CR2: 0000000000a83b72 CR3: 000000007f4a0000 CR4: 00000000003526f0 [ 233.577759][ C1] Call Trace: [ 233.581056][ C1] [ 233.583983][ C1] smp_call_function_many_cond+0xcfd/0x12c0 [ 233.590072][ C1] ? __pfx_flush_tlb_func+0x10/0x10 [ 233.595287][ C1] ? __pfx_smp_call_function_many_cond+0x10/0x10 [ 233.601621][ C1] ? __pfx_flush_tlb_func+0x10/0x10 [ 233.606825][ C1] on_each_cpu_cond_mask+0x3f/0x80 [ 233.611941][ C1] flush_tlb_mm_range+0x5c3/0x10c0 [ 233.617059][ C1] ? up_write+0x1ab/0x410 [ 233.621477][ C1] dup_mmap+0x17a2/0x1d90 [ 233.625915][ C1] ? __pfx_dup_mmap+0x10/0x10 [ 233.630641][ C1] ? lockdep_hardirqs_on+0x7a/0x110 [ 233.635868][ C1] copy_mm+0x13b/0x4a0 [ 233.639947][ C1] copy_process+0x18b6/0x3cd0 [ 233.644732][ C1] ? copy_process+0x921/0x3cd0 [ 233.649608][ C1] ? __pfx_copy_process+0x10/0x10 [ 233.654641][ C1] ? __lock_acquire+0x6b5/0x2cf0 [ 233.659594][ C1] kernel_clone+0x248/0x8e0 [ 233.664113][ C1] ? __pfx_kernel_clone+0x10/0x10 [ 233.669545][ C1] __x64_sys_clone+0x1b6/0x230 [ 233.674345][ C1] ? __pfx___x64_sys_clone+0x10/0x10 [ 233.679670][ C1] ? do_user_addr_fault+0xc6f/0x1340 [ 233.684992][ C1] do_syscall_64+0x14d/0xf80 [ 233.689611][ C1] ? trace_irq_disable+0x3b/0x150 [ 233.694728][ C1] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 233.700793][ C1] ? clear_bhb_loop+0x40/0x90 [ 233.705658][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 233.711642][ C1] RIP: 0033:0x4701e2 [ 233.715535][ C1] Code: 89 e7 e8 51 55 fa ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 66 89 c5 85 c0 75 3b 64 48 8b 04 25 10 00 00 [ 233.735487][ C1] RSP: 002b:00007ffc73068e30 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 233.744002][ C1] RAX: ffffffffffffffda RBX: 00007ffc73068e30 RCX: 00000000004701e2 [ 233.751986][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 233.759969][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 233.768044][ C1] R10: 0000000006d60790 R11: 0000000000000246 R12: 0000000000000000 [ 233.776457][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffc73069030 [ 233.784451][ C1]