Warning: Permanently added '10.128.0.124' (ED25519) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 86.646412][ T2857] cfg80211: failed to load regulatory.db [ 179.993968][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 180.001089][ C1] rcu: 0-....: (1 GPs behind) idle=07f/1/0x4000000000000002 softirq=5671/5672 fqs=2100 [ 180.011549][ C1] (detected by 1, t=10506 jiffies, g=6085, q=398) [ 180.018158][ C1] Sending NMI from CPU 1 to CPUs 0: [ 180.023405][ C0] NMI backtrace for cpu 0 [ 180.023437][ C0] CPU: 0 PID: 4224 Comm: syz-executor296 Not tainted syzkaller #0 [ 180.023454][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 180.023471][ C0] RIP: 0010:mark_lock+0xb/0x320 [ 180.023512][ C0] Code: e8 aa be 60 00 4c 89 f7 41 89 d9 e9 79 ff ff ff 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 41 57 41 56 41 55 41 54 53 50 <89> d5 49 89 f6 48 89 fb 49 bd 00 00 00 00 00 fc ff df 83 fa 08 75 [ 180.023525][ C0] RSP: 0018:ffffc90002e8eca0 EFLAGS: 00000046 [ 180.023540][ C0] RAX: 0000000000000002 RBX: 0000000000000002 RCX: 0000000000000002 [ 180.023549][ C0] RDX: 0000000000000008 RSI: ffff88801b99e480 RDI: ffff88801b99d940 [ 180.023561][ C0] RBP: ffffc90002e8ef28 R08: dffffc0000000000 R09: 1ffffffff2208c18 [ 180.023573][ C0] R10: dffffc0000000000 R11: fffffbfff2208c19 R12: ffff88801b99e414 [ 180.023584][ C0] R13: ffff88801b99d940 R14: ffff88801b99e480 R15: ffff88801b99e4a0 [ 180.023597][ C0] FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 [ 180.023610][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 180.023621][ C0] CR2: 00007fd5712b3c20 CR3: 000000000ce8e000 CR4: 00000000003506f0 [ 180.023636][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 180.023645][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 180.023655][ C0] Call Trace: [ 180.023661][ C0] [ 180.023684][ C0] __lock_acquire+0xdb9/0x7d40 [ 180.023707][ C0] ? mark_lock+0x94/0x320 [ 180.023721][ C0] ? verify_lock_unused+0x140/0x140 [ 180.023745][ C0] ? verify_lock_unused+0x140/0x140 [ 180.023766][ C0] ? rcu_lock_release+0x5/0x40 [ 180.023782][ C0] ? __lock_acquire+0x7d40/0x7d40 [ 180.023801][ C0] ? llist_add_batch+0x85/0xa0 [ 180.023820][ C0] lock_acquire+0x19f/0x400 [ 180.023838][ C0] ? rcu_lock_acquire+0x9/0x30 [ 180.023857][ C0] ? rcu_lock_release+0x9/0x20 [ 180.023874][ C0] ? read_lock_is_recursive+0x10/0x10 [ 180.023893][ C0] ? __lock_acquire+0x7d40/0x7d40 [ 180.023918][ C0] ? rcu_lock_release+0x9/0x20 [ 180.023937][ C0] rcu_lock_acquire+0x2a/0x30 [ 180.023953][ C0] ? rcu_lock_acquire+0x9/0x30 [ 180.023969][ C0] perf_event_output_forward+0xbc/0x2e0 [ 180.023988][ C0] ? perf_get_page_size+0x430/0x430 [ 180.024005][ C0] ? perf_event_output_forward+0x261/0x2e0 [ 180.024021][ C0] ? perf_get_page_size+0x430/0x430 [ 180.024038][ C0] ? __perf_event_account_interrupt+0x187/0x280 [ 180.024056][ C0] __perf_event_overflow+0x35f/0x550 [ 180.024074][ C0] perf_swevent_event+0x4b8/0x540 [ 180.024093][ C0] perf_tp_event+0x324/0xbe0 [ 180.024110][ C0] ? perf_trace_run_bpf_submit+0x1c0/0x1c0 [ 180.024127][ C0] ? perf_tp_event+0xa7e/0xbe0 [ 180.024156][ C0] ? update_load_avg+0xc64/0x11c0 [ 180.024177][ C0] perf_trace_run_bpf_submit+0xf3/0x1c0 [ 180.024195][ C0] perf_trace_preemptirq_template+0x2aa/0x360 [ 180.024215][ C0] ? asm_sysvec_irq_work+0x16/0x20 [ 180.024238][ C0] ? trace_event_raw_event_preemptirq_template+0x290/0x290 [ 180.024256][ C0] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 180.024276][ C0] ? lock_chain_count+0x20/0x20 [ 180.024295][ C0] ? asm_sysvec_irq_work+0x16/0x20 [ 180.024311][ C0] trace_irq_enable_rcuidle+0x108/0x180 [ 180.024330][ C0] trace_hardirqs_on+0x57/0x80 [ 180.024346][ C0] asm_sysvec_irq_work+0x16/0x20 [ 180.024362][ C0] RIP: 0010:rcu_read_unlock_special+0x7f/0x4a0 [ 180.024380][ C0] Code: eb 03 48 b8 f1 f1 f1 f1 f8 f2 f2 f2 4a 89 04 2b 42 c7 44 2b 08 f8 f3 f3 f3 65 44 8b 35 82 fc 9c 7e 41 f7 c6 00 00 f0 00 74 40 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 2b 00 00 00 00 42 c7 44 2b 08 [ 180.024392][ C0] RSP: 0018:ffffc90002e8f720 EFLAGS: 00000206 [ 180.024404][ C0] RAX: 9275b883b0f1c200 RBX: 1ffff920005d1ee8 RCX: 9275b883b0f1c200 [ 180.024416][ C0] RDX: dffffc0000000000 RSI: ffffffff8a2b2b60 RDI: ffffffff8a7a4bc0 [ 180.024428][ C0] RBP: ffffc90002e8f7f0 R08: ffffffff910460c7 R09: 1ffffffff2208c18 [ 180.024440][ C0] R10: dffffc0000000000 R11: fffffbfff2208c19 R12: ffffffff8d123400 [ 180.024452][ C0] R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001 [ 180.024470][ C0] ? __rcu_read_unlock+0xd0/0xd0 [ 180.024486][ C0] ? rcu_lock_acquire+0x30/0x30 [ 180.024506][ C0] __rcu_read_unlock+0x78/0xd0 [ 180.024522][ C0] __unlock_page_memcg+0xea/0x100 [ 180.024538][ C0] unmap_page_range+0xee4/0x2410 [ 180.024567][ C0] unmap_vmas+0x131/0x250 [ 180.024582][ C0] ? unmap_page_range+0x2410/0x2410 [ 180.024597][ C0] ? __mutex_lock_common+0x435/0x2400 [ 180.024622][ C0] exit_mmap+0x3b9/0x640 [ 180.024640][ C0] ? vm_brk+0x20/0x20 [ 180.024661][ C0] ? uprobe_clear_state+0x2f6/0x460 [ 180.024679][ C0] __mmput+0x115/0x390 [ 180.024696][ C0] exit_mm+0x632/0x7b0 [ 180.024709][ C0] ? perf_pmu_migrate_context+0xb70/0xb70 [ 180.024729][ C0] ? do_exit+0x2110/0x2110 [ 180.024743][ C0] ? rcu_is_watching+0x11/0xa0 [ 180.024758][ C0] ? mm_trace_rss_stat+0x81/0x1c0 [ 180.024774][ C0] ? sync_mm_rss+0x211/0x350 [ 180.024789][ C0] do_exit+0x5b8/0x2110 [ 180.024803][ C0] ? asm_sysvec_call_function_single+0x16/0x20 [ 180.024820][ C0] ? asm_sysvec_call_function_single+0x16/0x20 [ 180.024837][ C0] ? lockdep_hardirqs_on+0x94/0x140 [ 180.024854][ C0] ? put_task_struct+0x80/0x80 [ 180.024868][ C0] ? asm_sysvec_call_function_single+0x16/0x20 [ 180.024889][ C0] ? _raw_spin_unlock_irq+0x25/0x40 [ 180.024904][ C0] do_group_exit+0x12c/0x2f0 [ 180.024927][ C0] __x64_sys_exit_group+0x3b/0x40 [ 180.024941][ C0] do_syscall_64+0x4c/0xa0 [ 180.024955][ C0] ? clear_bhb_loop+0x30/0x80 [ 180.024970][ C0] ? clear_bhb_loop+0x30/0x80 [ 180.024986][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 180.025002][ C0] RIP: 0033:0x7fd5712605c5 [ 180.025020][ C0] Code: Unable to access opcode bytes at RIP 0x7fd57126059b. [ 180.025026][ C0] RSP: 002b:00007ffdcb3327c8 EFLAGS: 00000206 ORIG_RAX: 00000000000000e7 [ 180.025041][ C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd5712605c5 [ 180.025052][ C0] RDX: 00000000000000e7 RSI: ffffffffffffffd0 RDI: 0000000000000000 [ 180.025062][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 180.025071][ C0] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000 [ 180.025079][ C0] R13: 00007fd571311120 R14: 00007fd5713134e8 R15: 00007fd571313500 [ 180.025097][ C0] [ 180.025103][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.698 msecs [ 183.914179][ T23] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-... } 10898 jiffies s: 513 root: 0x1/. [ 183.926789][ T23] rcu: blocking rcu_node structures (internal RCU debug): [ 183.934286][ T23] Task dump for CPU 0: [ 183.938411][ T23] task:syz-executor296 state:R running task stack:25968 pid: 4224 ppid: 4195 flags:0x0000400a [ 183.949322][ T23] Call Trace: [ 183.952649][ T23] [ 183.955670][ T23] ? perf_trace_preemptirq_template+0x2aa/0x360 [ 183.961972][ T23] ? asm_sysvec_irq_work+0x16/0x20 [ 183.967262][ T23] ? trace_event_raw_event_preemptirq_template+0x290/0x290 [ 183.974555][ T23] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 183.980602][ T23] ? lock_chain_count+0x20/0x20 [ 183.985576][ T23] ? asm_sysvec_irq_work+0x16/0x20 [ 183.990732][ T23] ? trace_irq_enable_rcuidle+0x108/0x180 [ 183.996540][ T23] ? trace_hardirqs_on+0x57/0x80 [ 184.001531][ T23] ? asm_sysvec_irq_work+0x16/0x20 [ 184.006751][ T23] ? rcu_read_unlock_special+0x7f/0x4a0 [ 184.012353][ T23] ? __rcu_read_unlock+0xd0/0xd0 [ 184.017458][ T23] ? rcu_lock_acquire+0x30/0x30 [ 184.022647][ T23] ? __rcu_read_unlock+0x78/0xd0 [ 184.027697][ T23] ? __unlock_page_memcg+0xea/0x100 [ 184.032949][ T23] ? unmap_page_range+0xee4/0x2410 [ 184.038197][ T23] ? unmap_vmas+0x131/0x250 [ 184.042787][ T23] ? unmap_page_range+0x2410/0x2410 [ 184.048079][ T23] ? __mutex_lock_common+0x435/0x2400 [ 184.053522][ T23] ? exit_mmap+0x3b9/0x640 [ 184.058059][ T23] ? vm_brk+0x20/0x20 [ 184.062103][ T23] ? uprobe_clear_state+0x2f6/0x460 [ 184.067463][ T23] ? __mmput+0x115/0x390 [ 184.071779][ T23] ? exit_mm+0x632/0x7b0 [ 184.076135][ T23] ? perf_pmu_migrate_context+0xb70/0xb70 [ 184.081906][ T23] ? do_exit+0x2110/0x2110 [ 184.086410][ T23] ? rcu_is_watching+0x11/0xa0 [ 184.091216][ T23] ? mm_trace_rss_stat+0x81/0x1c0 [ 184.096330][ T23] ? sync_mm_rss+0x211/0x350 [ 184.100969][ T23] ? do_exit+0x5b8/0x2110 [ 184.105379][ T23] ? asm_sysvec_call_function_single+0x16/0x20 [ 184.111576][ T23] ? asm_sysvec_call_function_single+0x16/0x20 [ 184.117919][ T23] ? lockdep_hardirqs_on+0x94/0x140 [ 184.123168][ T23] ? put_task_struct+0x80/0x80 [ 184.128029][ T23] ? asm_sysvec_call_function_single+0x16/0x20 [ 184.134291][ T23] ? _raw_spin_unlock_irq+0x25/0x40 [ 184.139543][ T23] ? do_group_exit+0x12c/0x2f0 [ 184.144397][ T23] ? __x64_sys_exit_group+0x3b/0x40 [ 184.149642][ T23] ? do_syscall_64+0x4c/0xa0 [ 184.154315][ T23] ? clear_bhb_loop+0x30/0x80 [ 184.159040][ T23] ? clear_bhb_loop+0x30/0x80 [ 184.163776][ T23] ? entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 184.170015][ T23]