Warning: Permanently added '10.128.0.138' (ED25519) to the list of known hosts. [ 71.204595][ T1065] cfg80211: failed to load regulatory.db [ 167.002387][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 167.009433][ C1] rcu: 0-....: (1 GPs behind) idle=083/1/0x4000000000000002 softirq=4106/4107 fqs=2100 [ 167.019916][ C1] (detected by 1, t=10505 jiffies, g=3393, q=418) [ 167.026430][ C1] Sending NMI from CPU 1 to CPUs 0: [ 167.031643][ C0] NMI backtrace for cpu 0 [ 167.031652][ C0] CPU: 0 PID: 3572 Comm: syz-executor132 Not tainted 5.15.148-syzkaller #0 [ 167.031667][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 167.031675][ C0] RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x13/0x80 [ 167.031719][ C0] Code: 44 0a 10 48 89 74 0a 18 4c 89 44 0a 20 49 ff c1 4c 89 09 c3 0f 1f 00 4c 8b 04 24 65 48 8b 0d 14 3e 82 7e 65 8b 05 15 3e 82 7e 00 01 ff 00 74 10 a9 00 01 00 00 74 57 83 b9 34 16 00 00 00 74 [ 167.031731][ C0] RSP: 0018:ffffc90002e770b8 EFLAGS: 00000046 [ 167.031744][ C0] RAX: 0000000000000002 RBX: 0000000000000000 RCX: ffff888078979dc0 [ 167.031753][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 167.031761][ C0] RBP: ffffc90002e771b0 R08: ffffffff81a10f7e R09: fffffbfff1f7a019 [ 167.031772][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc90002e773c0 [ 167.031780][ C0] R13: ffffc90002e77266 R14: ffffc90002e77264 R15: dffffc0000000000 [ 167.031791][ C0] FS: 00007fc0fc73e6c0(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 167.031803][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 167.031813][ C0] CR2: 00007ffc313b99b0 CR3: 000000001c491000 CR4: 00000000003506f0 [ 167.031825][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 167.031833][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 167.031842][ C0] Call Trace: [ 167.031849][ C0] [ 167.031855][ C0] ? nmi_cpu_backtrace+0x39f/0x4a0 [ 167.031873][ C0] ? read_lock_is_recursive+0x10/0x10 [ 167.031888][ C0] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0 [ 167.031904][ C0] ? unknown_nmi_error+0xd0/0xd0 [ 167.031926][ C0] ? nmi_cpu_backtrace_handler+0x8/0x10 [ 167.031940][ C0] ? nmi_handle+0xf7/0x370 [ 167.031954][ C0] ? __sanitizer_cov_trace_const_cmp8+0x13/0x80 [ 167.031970][ C0] ? default_do_nmi+0x62/0x150 [ 167.031987][ C0] ? exc_nmi+0xab/0x120 [ 167.032001][ C0] ? end_repeat_nmi+0x16/0x31 [ 167.032019][ C0] ? perf_prepare_sample+0xcbe/0x1ce0 [ 167.032037][ C0] ? __sanitizer_cov_trace_const_cmp8+0x13/0x80 [ 167.032053][ C0] ? __sanitizer_cov_trace_const_cmp8+0x13/0x80 [ 167.032069][ C0] ? __sanitizer_cov_trace_const_cmp8+0x13/0x80 [ 167.032085][ C0] [ 167.032089][ C0] [ 167.032092][ C0] perf_prepare_sample+0xcbe/0x1ce0 [ 167.032108][ C0] ? rcu_lock_release+0x9/0x20 [ 167.032121][ C0] ? __lock_acquire+0x1ff0/0x1ff0 [ 167.032136][ C0] ? perf_callchain+0x190/0x190 [ 167.032154][ C0] perf_event_output_forward+0x199/0x310 [ 167.032171][ C0] ? perf_get_page_size+0x570/0x570 [ 167.032188][ C0] ? tracing_gen_ctx_irq_test+0xf1/0x140 [ 167.032206][ C0] ? __perf_event_account_interrupt+0x17e/0x2a0 [ 167.032224][ C0] __perf_event_overflow+0x35d/0x530 [ 167.032242][ C0] perf_tp_event+0x363/0xc40 [ 167.032257][ C0] ? __perf_event_account_interrupt+0x17e/0x2a0 [ 167.032274][ C0] ? perf_trace_run_bpf_submit+0x1d0/0x1d0 [ 167.032319][ C0] perf_trace_run_bpf_submit+0xf7/0x1d0 [ 167.032337][ C0] perf_trace_preemptirq_template+0x31d/0x430 [ 167.032355][ C0] ? asm_sysvec_irq_work+0x16/0x20 [ 167.032370][ C0] ? trace_event_raw_event_preemptirq_template+0x270/0x270 [ 167.032386][ C0] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 167.032404][ C0] ? print_irqtrace_events+0x210/0x210 [ 167.032421][ C0] ? asm_sysvec_irq_work+0x16/0x20 [ 167.032436][ C0] trace_irq_enable_rcuidle+0x10e/0x190 [ 167.032453][ C0] trace_hardirqs_on+0x57/0x80 [ 167.032467][ C0] asm_sysvec_irq_work+0x16/0x20 [ 167.032482][ C0] RIP: 0010:rcu_read_unlock_special+0x84/0x520 [ 167.032497][ C0] Code: f1 f1 f1 00 f2 f2 f2 49 89 04 17 66 41 c7 44 17 09 f3 f3 41 c6 44 17 0b f3 65 44 8b 25 dd d0 96 7e 41 f7 c4 00 00 f0 00 74 45 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 3a 00 00 00 00 66 42 c7 44 3a [ 167.032508][ C0] RSP: 0018:ffffc90002e77820 EFLAGS: 00000206 [ 167.032519][ C0] RAX: f65bf79647604000 RBX: 1ffff920005cef0c RCX: ffffffff8162ee28 [ 167.032529][ C0] RDX: dffffc0000000000 RSI: ffffffff8a8b0f80 RDI: ffffffff8ad87e40 [ 167.032540][ C0] RBP: ffffc90002e778f0 R08: dffffc0000000000 R09: fffffbfff1f7a020 [ 167.032550][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff8c923200 [ 167.032559][ C0] R13: ffff88807897a218 R14: ffffc90002e77860 R15: 1ffff920005cef08 [ 167.032573][ C0] ? mark_lock+0x98/0x340 [ 167.032589][ C0] ? asm_sysvec_call_function_single+0x16/0x20 [ 167.032605][ C0] ? __rcu_read_unlock+0x100/0x100 [ 167.032619][ C0] ? asm_sysvec_call_function_single+0x16/0x20 [ 167.032639][ C0] __rcu_read_unlock+0x92/0x100 [ 167.032654][ C0] mutex_spin_on_owner+0x358/0x370 [ 167.032674][ C0] mutex_optimistic_spin+0x38/0x300 [ 167.032690][ C0] __mutex_lock_common+0xed4/0x25a0 [ 167.032711][ C0] ? perf_trace_init+0x4f/0x2d0 [ 167.032725][ C0] ? mutex_lock_io_nested+0x60/0x60 [ 167.032744][ C0] ? read_lock_is_recursive+0x10/0x10 [ 167.032757][ C0] ? rcu_lock_release+0x9/0x20 [ 167.032771][ C0] mutex_lock_nested+0x17/0x20 [ 167.032786][ C0] perf_trace_init+0x4f/0x2d0 [ 167.032801][ C0] perf_tp_event_init+0x89/0x110 [ 167.032815][ C0] perf_try_init_event+0x135/0x3e0 [ 167.032828][ C0] ? perf_event_alloc+0x1144/0x2150 [ 167.032845][ C0] perf_event_alloc+0x1150/0x2150 [ 167.032868][ C0] __se_sys_perf_event_open+0xb27/0x4510 [ 167.032890][ C0] ? print_irqtrace_events+0x210/0x210 [ 167.032908][ C0] ? __x64_sys_perf_event_open+0xc0/0xc0 [ 167.032923][ C0] ? asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 167.032943][ C0] ? trace_irq_enable_rcuidle+0x158/0x190 [ 167.032959][ C0] ? syscall_enter_from_user_mode+0x37/0x230 [ 167.032974][ C0] ? __x64_sys_perf_event_open+0x1c/0xc0 [ 167.032990][ C0] do_syscall_64+0x3d/0xb0 [ 167.033006][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 167.033021][ C0] RIP: 0033:0x7fc0fc77d5d9 [ 167.033036][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 167.033046][ C0] RSP: 002b:00007fc0fc73e238 EFLAGS: 00000246 ORIG_RAX: 000000000000012a [ 167.033059][ C0] RAX: ffffffffffffffda RBX: 00007fc0fc807308 RCX: 00007fc0fc77d5d9 [ 167.033069][ C0] RDX: 00000000ffffffff RSI: 0000000000000000 RDI: 00000000200003c0 [ 167.033078][ C0] RBP: 00007fc0fc807300 R08: 0000000000000000 R09: 00007fc0fc73e6c0 [ 167.033087][ C0] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007fc0fc80730c [ 167.033096][ C0] R13: 0000000000000000 R14: 00007ffc3138cc60 R15: 00007ffc3138cd48 [ 167.033112][ C0] [ 167.033118][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.474 msecs [ 168.472655][ T21] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-... } 10652 jiffies s: 405 root: 0x1/. [ 168.485575][ T21] rcu: blocking rcu_node structures (internal RCU debug): [ 168.493739][ T21] Task dump for CPU 0: [ 168.497812][ T21] task:syz-executor132 state:D stack:26872 pid: 3572 ppid: 3505 flags:0x0000400e [ 168.507389][ T21] Call Trace: [ 168.510689][ T21] [ 168.513693][ T21] ? mark_lock+0x98/0x340 [ 168.518040][ T21] ? rcu_read_unlock_special+0x84/0x520 [ 168.523924][ T21] ? asm_sysvec_call_function_single+0x16/0x20 [ 168.530258][ T21] ? __rcu_read_unlock+0x100/0x100 [ 168.535614][ T21] ? asm_sysvec_call_function_single+0x16/0x20 [ 168.543068][ T21] ? __rcu_read_unlock+0x92/0x100 [ 168.548117][ T21] ? mutex_spin_on_owner+0x358/0x370 [ 168.553604][ T21] ? mutex_optimistic_spin+0x38/0x300 [ 168.558998][ T21] ? __mutex_lock_common+0xed4/0x25a0 [ 168.564446][ T21] ? perf_trace_init+0x4f/0x2d0 [ 168.569318][ T21] ? mutex_lock_io_nested+0x60/0x60 [ 168.574645][ T21] ? read_lock_is_recursive+0x10/0x10 [ 168.580030][ T21] ? rcu_lock_release+0x9/0x20 [ 168.584957][ T21] ? mutex_lock_nested+0x17/0x20 [ 168.589920][ T21] ? perf_trace_init+0x4f/0x2d0 [ 168.594964][ T21] ? perf_tp_event_init+0x89/0x110 [ 168.600093][ T21] ? perf_try_init_event+0x135/0x3e0 [ 168.605444][ T21] ? perf_event_alloc+0x1144/0x2150 [ 168.610677][ T21] ? perf_event_alloc+0x1150/0x2150 [ 168.615958][ T21] ? __se_sys_perf_event_open+0xb27/0x4510 [ 168.621797][ T21] ? print_irqtrace_events+0x210/0x210 [ 168.627350][ T21] ? __x64_sys_perf_event_open+0xc0/0xc0 [ 168.633055][ T21] ? asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 168.639243][ T21] ? trace_irq_enable_rcuidle+0x158/0x190 [ 168.645037][ T21] ? syscall_enter_from_user_mode+0x37/0x230 [ 168.651051][ T21] ? __x64_sys_perf_event_open+0x1c/0xc0 [ 168.656759][ T21] ? do_syscall_64+0x3d/0xb0 [ 168.661392][ T21] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 168.667673][ T21]