Warning: Permanently added '10.128.0.210' (ED25519) to the list of known hosts. executing program executing program executing program executing program [ 187.554693][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 187.561706][ C1] rcu: (detected by 1, t=10502 jiffies, g=12205, q=257 ncpus=2) [ 187.569407][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10500 (4294955944-4294945444), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 187.582779][ C1] rcu: rcu_preempt kthread starved for 10500 jiffies! g12205 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 187.593963][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 187.603948][ C1] rcu: RCU grace-period kthread stack dump: [ 187.609910][ C1] task:rcu_preempt state:R running task stack:27496 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00080000 [ 187.623422][ C1] Call Trace: [ 187.626697][ C1] [ 187.629632][ C1] __schedule+0x17d9/0x56c0 [ 187.634178][ C1] ? __lock_acquire+0x683/0x2cf0 [ 187.639139][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 187.644795][ C1] ? __pfx___schedule+0x10/0x10 [ 187.649667][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 187.655307][ C1] ? schedule+0x90/0x2b0 [ 187.659572][ C1] schedule+0x164/0x2b0 [ 187.663743][ C1] schedule_timeout+0x152/0x2c0 [ 187.668635][ C1] ? __pfx_schedule_timeout+0x10/0x10 [ 187.674282][ C1] ? __pfx_process_timeout+0x10/0x10 [ 187.679574][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 187.685218][ C1] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 187.691036][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 187.696671][ C1] ? prepare_to_swait_event+0x322/0x350 [ 187.702225][ C1] rcu_gp_fqs_loop+0x30c/0x11f0 [ 187.707090][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 187.712723][ C1] ? lockdep_hardirqs_on+0x7a/0x110 [ 187.717920][ C1] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 187.723739][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 187.729463][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 187.735107][ C1] ? __pfx_rcu_watching_snap_save+0x10/0x10 [ 187.741014][ C1] ? __pfx_rcu_gp_fqs_loop+0x10/0x10 [ 187.746303][ C1] ? _raw_spin_unlock_irq+0x2e/0x50 [ 187.752131][ C1] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 187.757949][ C1] rcu_gp_kthread+0x9e/0x2b0 [ 187.762551][ C1] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 187.767757][ C1] ? __kthread_parkme+0x71/0x1f0 [ 187.772703][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 187.778337][ C1] ? __kthread_parkme+0x196/0x1f0 [ 187.783378][ C1] kthread+0x388/0x470 [ 187.787458][ C1] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 187.792663][ C1] ? __pfx_kthread+0x10/0x10 [ 187.797263][ C1] ret_from_fork+0x514/0xb70 [ 187.801872][ C1] ? __pfx_ret_from_fork+0x10/0x10 [ 187.806997][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 187.812632][ C1] ? __switch_to+0xc89/0x1420 [ 187.817318][ C1] ? __pfx_kthread+0x10/0x10 [ 187.821929][ C1] ret_from_fork_asm+0x1a/0x30 [ 187.826712][ C1] [ 187.829727][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 187.836047][ C1] CPU: 1 UID: 0 PID: 5627 Comm: syz-executor100 Not tainted syzkaller #0 PREEMPT(full) [ 187.845761][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 187.855822][ C1] RIP: 0010:__local_bh_enable_ip+0xd8/0x130 [ 187.861911][ C1] Code: 8b e8 8c 03 48 0a 65 66 8b 05 9c d0 e4 11 66 85 c0 75 32 bf 01 00 00 00 e8 85 f0 0b 00 e8 50 bc 46 00 fb 65 8b 05 78 d0 e4 11 <85> c0 75 05 e8 3f 7f ab ff 5b 41 5e e9 42 51 88 ff cc 90 0f 0b 90 [ 187.881516][ C1] RSP: 0018:ffffc90004c07808 EFLAGS: 00000206 [ 187.887589][ C1] RAX: 0000000080000000 RBX: 0000000000000200 RCX: 0000000000000046 [ 187.895570][ C1] RDX: 0000000000000000 RSI: ffffffff8e22bfbd RDI: ffffffff8c4bdb80 [ 187.903539][ C1] RBP: ffffc90004c07a80 R08: ffffffff905788f7 R09: 1ffffffff20af11e [ 187.911516][ C1] R10: dffffc0000000000 R11: fffffbfff20af11f R12: dffffc0000000000 [ 187.919485][ C1] R13: 00000000fffffff2 R14: ffffffff89e5dd61 R15: 0000000000000000 [ 187.927451][ C1] FS: 000055556870f400(0000) GS:ffff888125054000(0000) knlGS:0000000000000000 [ 187.936419][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 187.942995][ C1] CR2: 0000000000000000 CR3: 0000000074311000 CR4: 0000000000350ef0 [ 187.950958][ C1] Call Trace: [ 187.954226][ C1] [ 187.957149][ C1] ? bpf_test_run+0x1d1/0x830 [ 187.961825][ C1] bpf_test_run+0x3a8/0x830 [ 187.966349][ C1] ? __pfx_bpf_test_run+0x10/0x10 [ 187.971540][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 187.977199][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 187.982851][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 187.988488][ C1] ? convert___skb_to_skb+0x3d/0x5b0 [ 187.994217][ C1] bpf_prog_test_run_skb+0xe35/0x2230 [ 187.999614][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 188.005264][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 188.010917][ C1] ? __pfx_bpf_prog_test_run_skb+0x10/0x10 [ 188.016724][ C1] bpf_prog_test_run+0x2c5/0x340 [ 188.021674][ C1] __sys_bpf+0xa22/0xd90 [ 188.025929][ C1] ? __pfx___sys_bpf+0x10/0x10 [ 188.030705][ C1] ? handle_mm_fault+0xec/0x3080 [ 188.035683][ C1] ? __pfx_handle_mm_fault+0x10/0x10 [ 188.040998][ C1] ? lock_vma_under_rcu+0x45a/0x500 [ 188.046236][ C1] ? rcu_is_watching+0x15/0xb0 [ 188.051016][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 188.056750][ C1] __x64_sys_bpf+0xba/0xd0 [ 188.061171][ C1] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 188.067270][ C1] do_syscall_64+0x174/0x580 [ 188.071861][ C1] ? trace_irq_disable+0x3b/0x140 [ 188.076895][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 188.082786][ C1] RIP: 0033:0x7f081fa61f29 [ 188.087199][ C1] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 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 d8 ff ff ff f7 d8 64 89 01 48 [ 188.106801][ C1] RSP: 002b:00007ffec8a894e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 188.115310][ C1] RAX: ffffffffffffffda RBX: 00002000000000c0 RCX: 00007f081fa61f29 [ 188.123303][ C1] RDX: 0000000000000050 RSI: 0000200000000240 RDI: 000000000000000a [ 188.131270][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000000a [ 188.139262][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 188.147224][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 188.155209][ C1] executing program [ 191.505176][ T187] cfg80211: failed to load regulatory.db executing program