Warning: Permanently added '10.128.1.144' (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 [ 86.683493][ T1107] cfg80211: failed to load regulatory.db [ 180.531108][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 180.538212][ C1] rcu: 0-....: (1 GPs behind) idle=a0f/1/0x4000000000000002 softirq=5104/5105 fqs=2100 [ 180.548563][ C1] (detected by 1, t=10506 jiffies, g=5489, q=573) [ 180.555100][ C1] Sending NMI from CPU 1 to CPUs 0: [ 180.560334][ C0] NMI backtrace for cpu 0 [ 180.560363][ C0] CPU: 0 PID: 4225 Comm: syz-executor313 Not tainted syzkaller #0 [ 180.560381][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 180.560401][ C0] RIP: 0010:__lock_acquire+0x1f1/0x7c60 [ 180.560441][ C0] Code: 83 b0 57 00 00 4c 89 6c 24 30 44 8b 6d 20 48 c7 c0 80 5f 94 8f 49 29 c7 49 c1 ff 06 48 ba ab aa aa aa aa aa aa aa 49 0f af d7 <4d> 85 e4 4c 89 74 24 40 0f 84 3d 01 00 00 48 8b 44 24 30 4c 8d b0 [ 180.560455][ C0] RSP: 0018:ffffc9000300e9a0 EFLAGS: 00000803 [ 180.560470][ C0] RAX: ffffffff8f945f80 RBX: ffffffff8c11c760 RCX: ffffffff960c4f03 [ 180.560483][ C0] RDX: 0000000000000015 RSI: 0000000000000000 RDI: ffffffff8c11c760 [ 180.560494][ C0] RBP: ffffc9000300ebf0 R08: dffffc0000000000 R09: 0000000000000001 [ 180.560506][ C0] R10: fffffbfff1ad33a6 R11: 1ffffffff1ad33a5 R12: 0000000000000002 [ 180.560545][ C0] R13: 0000000000000000 R14: ffff8880199b0ae8 R15: 000000000000003f [ 180.560556][ C0] FS: 0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 [ 180.560570][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 180.560582][ C0] CR2: 0000000000000000 CR3: 0000000079099000 CR4: 00000000003506f0 [ 180.560595][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 180.560605][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 180.560615][ C0] Call Trace: [ 180.560622][ C0] [ 180.560640][ C0] ? __lock_acquire+0x7c60/0x7c60 [ 180.560663][ C0] ? __lock_acquire+0x12d9/0x7c60 [ 180.560684][ C0] ? verify_lock_unused+0x140/0x140 [ 180.560705][ C0] ? rcu_lock_release+0x5/0x40 [ 180.560721][ C0] ? __lock_acquire+0x7c60/0x7c60 [ 180.560740][ C0] ? llist_add_batch+0x85/0xa0 [ 180.560761][ C0] lock_acquire+0x197/0x3f0 [ 180.560779][ C0] ? rcu_lock_acquire+0x9/0x30 [ 180.560799][ C0] ? rcu_lock_release+0x9/0x20 [ 180.560815][ C0] ? read_lock_is_recursive+0x10/0x10 [ 180.560834][ C0] ? __lock_acquire+0x7c60/0x7c60 [ 180.560852][ C0] ? perf_callchain+0x190/0x190 [ 180.560871][ C0] rcu_lock_acquire+0x2a/0x30 [ 180.560888][ C0] ? rcu_lock_acquire+0x9/0x30 [ 180.560904][ C0] perf_event_output_forward+0x9e/0x280 [ 180.560920][ C0] ? __lock_acquire+0x7c60/0x7c60 [ 180.560938][ C0] ? perf_get_page_size+0x420/0x420 [ 180.560958][ C0] ? perf_event_output_forward+0x222/0x280 [ 180.560974][ C0] ? __perf_event_account_interrupt+0x187/0x280 [ 180.560993][ C0] __perf_event_overflow+0x364/0x530 [ 180.561012][ C0] perf_swevent_event+0x4ad/0x530 [ 180.561030][ C0] perf_tp_event+0x32c/0xb50 [ 180.561045][ C0] ? __perf_event_overflow+0x415/0x530 [ 180.561063][ C0] ? perf_trace_run_bpf_submit+0x1c0/0x1c0 [ 180.561079][ C0] ? perf_swevent_event+0x50e/0x530 [ 180.561113][ C0] ? update_load_avg+0xbea/0x1130 [ 180.561134][ C0] perf_trace_run_bpf_submit+0xf3/0x1c0 [ 180.561153][ C0] perf_trace_preemptirq_template+0x2be/0x380 [ 180.561173][ C0] ? asm_sysvec_irq_work+0x16/0x20 [ 180.561196][ C0] ? trace_event_raw_event_preemptirq_template+0x270/0x270 [ 180.561214][ C0] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 180.561234][ C0] ? lock_chain_count+0x20/0x20 [ 180.561254][ C0] ? asm_sysvec_irq_work+0x16/0x20 [ 180.561282][ C0] trace_irq_enable_rcuidle+0x108/0x180 [ 180.561300][ C0] trace_hardirqs_on+0x57/0x80 [ 180.561315][ C0] asm_sysvec_irq_work+0x16/0x20 [ 180.561331][ C0] RIP: 0010:rcu_read_unlock_special+0x84/0x480 [ 180.561349][ C0] Code: f1 f1 f1 00 f2 f2 f2 4a 89 04 2b 66 42 c7 44 2b 09 f3 f3 42 c6 44 2b 0b f3 65 44 8b 35 ed 11 9e 7e 41 f7 c6 00 00 f0 00 74 45 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 2b 00 00 00 00 66 42 c7 44 2b [ 180.561361][ C0] RSP: 0018:ffffc9000300f420 EFLAGS: 00000206 [ 180.561374][ C0] RAX: 69c3a81e57722e00 RBX: 1ffff92000601e88 RCX: 69c3a81e57722e00 [ 180.561386][ C0] RDX: dffffc0000000000 RSI: ffffffff8a0b1c60 RDI: ffffffff8a59e580 [ 180.561398][ C0] RBP: ffffc9000300f4f0 R08: dffffc0000000000 R09: fffffbfff1ff7c19 [ 180.561410][ C0] R10: fffffbfff1ff7c19 R11: 1ffffffff1ff7c18 R12: ffffffff8c120c00 [ 180.561422][ C0] R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001 [ 180.561441][ C0] ? __rcu_read_unlock+0xd0/0xd0 [ 180.561456][ C0] ? rcu_lock_acquire+0x30/0x30 [ 180.561473][ C0] ? __lock_acquire+0x7c60/0x7c60 [ 180.561492][ C0] __rcu_read_unlock+0x78/0xd0 [ 180.561513][ C0] __unlock_page_memcg+0xea/0x100 [ 180.561533][ C0] unmap_page_range+0xfbc/0x2520 [ 180.561555][ C0] ? uprobe_munmap+0x165/0x3f0 [ 180.561576][ C0] unmap_vmas+0x11b/0x230 [ 180.561590][ C0] ? uprobe_clear_state+0x4f/0x460 [ 180.561605][ C0] ? unmap_page_range+0x2520/0x2520 [ 180.561619][ C0] ? __mutex_lock_common+0x431/0x2390 [ 180.561652][ C0] ? memset+0x1e/0x40 [ 180.561668][ C0] exit_mmap+0x38f/0x5f0 [ 180.561686][ C0] ? vm_brk+0x20/0x20 [ 180.561706][ C0] ? uprobe_clear_state+0x2f6/0x460 [ 180.561719][ C0] ? mm_update_next_owner+0x522/0x640 [ 180.561739][ C0] __mmput+0x115/0x3b0 [ 180.561754][ C0] exit_mm+0x567/0x6c0 [ 180.561770][ C0] ? xacct_add_tsk+0x4b0/0x4b0 [ 180.561788][ C0] ? do_exit+0x20a0/0x20a0 [ 180.561805][ C0] ? taskstats_exit+0x439/0xab0 [ 180.561821][ C0] ? tty_audit_exit+0x14e/0x1f0 [ 180.561839][ C0] do_exit+0x5a1/0x20a0 [ 180.561856][ C0] ? rcu_nmi_exit+0x6f/0xf0 [ 180.561872][ C0] ? put_task_struct+0x80/0x80 [ 180.561889][ C0] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 180.561907][ C0] ? lock_chain_count+0x20/0x20 [ 180.561923][ C0] ? _raw_spin_lock_irq+0xab/0xe0 [ 180.561938][ C0] do_group_exit+0x12e/0x300 [ 180.561955][ C0] ? lockdep_hardirqs_on+0x94/0x140 [ 180.561971][ C0] get_signal+0x6ca/0x12c0 [ 180.561993][ C0] arch_do_signal_or_restart+0xc1/0x1300 [ 180.562015][ C0] ? perf_trace_run_bpf_submit+0xf3/0x1c0 [ 180.562032][ C0] ? perf_trace_preemptirq_template+0x2be/0x380 [ 180.562049][ C0] ? get_sigframe_size+0x10/0x10 [ 180.562066][ C0] ? rcu_nmi_exit+0x6f/0xf0 [ 180.562087][ C0] ? exit_to_user_mode_loop+0x3b/0x130 [ 180.562106][ C0] exit_to_user_mode_loop+0x9e/0x130 [ 180.562124][ C0] exit_to_user_mode_prepare+0xee/0x180 [ 180.562142][ C0] syscall_exit_to_user_mode+0x16/0x40 [ 180.562158][ C0] do_syscall_64+0x58/0xa0 [ 180.562172][ C0] ? clear_bhb_loop+0x30/0x80 [ 180.562185][ C0] ? clear_bhb_loop+0x30/0x80 [ 180.562200][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 180.562216][ C0] RIP: 0033:0x7f8f580c3499 [ 180.562228][ C0] Code: Unable to access opcode bytes at RIP 0x7f8f580c346f. [ 180.562234][ C0] RSP: 002b:00007f8f58063218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 180.562248][ C0] RAX: fffffffffffffe00 RBX: 00007f8f580636c0 RCX: 00007f8f580c3499 [ 180.562259][ C0] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f8f5814d318 [ 180.562269][ C0] RBP: 00007f8f5814d318 R08: 0000000000000000 R09: 0000000000000000 [ 180.562278][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 1000000000000000 [ 180.562288][ C0] R13: 00002000000000c0 R14: 00007f8f5814d310 R15: 00007f8f5814d31c [ 180.562304][ C0] [ 180.562310][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.977 msecs [ 184.001302][ T21] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-... } 10853 jiffies s: 505 root: 0x1/. [ 184.013768][ T21] rcu: blocking rcu_node structures (internal RCU debug): [ 184.020934][ T21] Task dump for CPU 0: [ 184.025099][ T21] task:syz-executor313 state:R running task stack:25920 pid: 4225 ppid: 4187 flags:0x0000400a [ 184.035955][ T21] Call Trace: [ 184.039256][ T21] [ 184.042261][ T21] ? uprobe_clear_state+0x2f6/0x460 [ 184.047499][ T21] ? mm_update_next_owner+0x522/0x640 [ 184.053027][ T21] ? __mmput+0x115/0x3b0 [ 184.057305][ T21] ? exit_mm+0x567/0x6c0 [ 184.061604][ T21] ? xacct_add_tsk+0x4b0/0x4b0 [ 184.066395][ T21] ? do_exit+0x20a0/0x20a0 [ 184.070837][ T21] ? taskstats_exit+0x439/0xab0 [ 184.075737][ T21] ? tty_audit_exit+0x14e/0x1f0 [ 184.080610][ T21] ? do_exit+0x5a1/0x20a0 [ 184.084991][ T21] ? rcu_nmi_exit+0x6f/0xf0 [ 184.089531][ T21] ? put_task_struct+0x80/0x80 [ 184.094459][ T21] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 184.100474][ T21] ? lock_chain_count+0x20/0x20 [ 184.105553][ T21] ? _raw_spin_lock_irq+0xab/0xe0 [ 184.110613][ T21] ? do_group_exit+0x12e/0x300 [ 184.115434][ T21] ? lockdep_hardirqs_on+0x94/0x140 [ 184.120671][ T21] ? get_signal+0x6ca/0x12c0 [ 184.125341][ T21] ? arch_do_signal_or_restart+0xc1/0x1300 [ 184.131206][ T21] ? perf_trace_run_bpf_submit+0xf3/0x1c0 [ 184.136976][ T21] ? perf_trace_preemptirq_template+0x2be/0x380 [ 184.143264][ T21] ? get_sigframe_size+0x10/0x10 [ 184.148231][ T21] ? rcu_nmi_exit+0x6f/0xf0 [ 184.152841][ T21] ? exit_to_user_mode_loop+0x3b/0x130 [ 184.158338][ T21] ? exit_to_user_mode_loop+0x9e/0x130 [ 184.163844][ T21] ? exit_to_user_mode_prepare+0xee/0x180 [ 184.169590][ T21] ? syscall_exit_to_user_mode+0x16/0x40 [ 184.175272][ T21] ? do_syscall_64+0x58/0xa0 [ 184.179890][ T21] ? clear_bhb_loop+0x30/0x80 [ 184.184616][ T21] ? clear_bhb_loop+0x30/0x80 [ 184.189317][ T21] ? entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 184.195448][ T21]