Warning: Permanently added '10.128.0.172' (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 [ 76.356304][ T1110] cfg80211: failed to load regulatory.db [ 163.283789][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 163.291097][ C1] rcu: 0-....: (0 ticks this GP) idle=525/1/0x4000000000000002 softirq=4974/4974 fqs=5250 [ 163.301699][ C1] (detected by 1, t=10502 jiffies, g=3901, q=352) [ 163.308223][ C1] Sending NMI from CPU 1 to CPUs 0: [ 163.313436][ C0] NMI backtrace for cpu 0 [ 163.313464][ C0] CPU: 0 PID: 4206 Comm: syz-executor235 Not tainted syzkaller #0 [ 163.313479][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 163.313492][ C0] RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x0/0x80 [ 163.313525][ C0] Code: 28 4d 39 ca 77 22 89 ff 89 f6 4a c7 44 02 08 05 00 00 00 4a 89 7c 02 10 4a 89 74 02 18 4a 89 44 02 20 48 ff c1 48 89 0a c3 90 <48> 8b 04 24 65 48 8b 0d c4 9f 8a 7e 65 8b 15 c5 9f 8a 7e 81 e2 00 [ 163.313536][ C0] RSP: 0018:ffffc90002f5eee0 EFLAGS: 00000046 [ 163.313548][ C0] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffff1100f38ef2b [ 163.313559][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 163.313567][ C0] RBP: 0000000000000005 R08: dffffc0000000000 R09: ffffed100f38ef2c [ 163.313576][ C0] R10: ffffed100f38ef2c R11: 1ffff1100f38ef2b R12: 0000000000000001 [ 163.313585][ C0] R13: ffff888079c77950 R14: ffff888079c77958 R15: 0000000000000005 [ 163.313595][ C0] FS: 0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 [ 163.313606][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 163.313616][ C0] CR2: 00007f8c58023ab8 CR3: 000000007db5d000 CR4: 00000000003506f0 [ 163.313628][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 163.313636][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 163.313644][ C0] Call Trace: [ 163.313650][ C0] [ 163.313656][ C0] perf_swevent_event+0x3e3/0x530 [ 163.313675][ C0] perf_tp_event+0x32c/0xb50 [ 163.313687][ C0] ? __perf_event_overflow+0x415/0x530 [ 163.313702][ C0] ? perf_trace_run_bpf_submit+0x1c0/0x1c0 [ 163.313715][ C0] ? perf_swevent_event+0x33e/0x530 [ 163.313744][ C0] ? update_load_avg+0x507/0x1130 [ 163.313762][ C0] perf_trace_run_bpf_submit+0xf3/0x1c0 [ 163.313777][ C0] perf_trace_preemptirq_template+0x2be/0x380 [ 163.313793][ C0] ? asm_sysvec_irq_work+0x16/0x20 [ 163.313814][ C0] ? trace_event_raw_event_preemptirq_template+0x270/0x270 [ 163.313828][ C0] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 163.313845][ C0] ? lock_chain_count+0x20/0x20 [ 163.313860][ C0] ? asm_sysvec_irq_work+0x16/0x20 [ 163.313873][ C0] trace_irq_enable_rcuidle+0x108/0x180 [ 163.313888][ C0] trace_hardirqs_on+0x57/0x80 [ 163.313901][ C0] asm_sysvec_irq_work+0x16/0x20 [ 163.313915][ C0] RIP: 0010:rcu_read_unlock_special+0x84/0x480 [ 163.313929][ 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 [ 163.313939][ C0] RSP: 0018:ffffc90002f5f420 EFLAGS: 00000206 [ 163.313949][ C0] RAX: 61e43aa319d1dc00 RBX: 1ffff920005ebe88 RCX: 61e43aa319d1dc00 [ 163.313959][ C0] RDX: dffffc0000000000 RSI: ffffffff8a0b1be0 RDI: ffffffff8a59e800 [ 163.313968][ C0] RBP: ffffc90002f5f4f0 R08: dffffc0000000000 R09: fffffbfff1ff5419 [ 163.313978][ C0] R10: fffffbfff1ff5419 R11: 1ffffffff1ff5418 R12: ffffffff8c120c00 [ 163.313988][ C0] R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001 [ 163.314006][ C0] ? __rcu_read_unlock+0xd0/0xd0 [ 163.314017][ C0] ? preempt_schedule+0xa7/0xb0 [ 163.314031][ C0] ? schedule_preempt_disabled+0x20/0x20 [ 163.314046][ C0] ? do_raw_spin_lock+0x11d/0x280 [ 163.314068][ C0] __rcu_read_unlock+0x78/0xd0 [ 163.314081][ C0] __unlock_page_memcg+0xea/0x100 [ 163.314097][ C0] unmap_page_range+0xfbc/0x2520 [ 163.314117][ C0] ? uprobe_munmap+0x165/0x3f0 [ 163.314136][ C0] unmap_vmas+0x11b/0x230 [ 163.314148][ C0] ? uprobe_clear_state+0x4f/0x460 [ 163.314160][ C0] ? unmap_page_range+0x2520/0x2520 [ 163.314171][ C0] ? __mutex_lock_common+0x431/0x2390 [ 163.314190][ C0] ? memset+0x1e/0x40 [ 163.314205][ C0] exit_mmap+0x38f/0x5f0 [ 163.314221][ C0] ? vm_brk+0x20/0x20 [ 163.314240][ C0] ? uprobe_clear_state+0x2f6/0x460 [ 163.314252][ C0] ? mm_update_next_owner+0x522/0x640 [ 163.314269][ C0] __mmput+0x115/0x3b0 [ 163.314282][ C0] exit_mm+0x567/0x6c0 [ 163.314296][ C0] ? xacct_add_tsk+0x4b0/0x4b0 [ 163.314311][ C0] ? do_exit+0x20a0/0x20a0 [ 163.314326][ C0] ? taskstats_exit+0x439/0xab0 [ 163.314341][ C0] ? tty_audit_exit+0x14e/0x1f0 [ 163.314357][ C0] do_exit+0x5a1/0x20a0 [ 163.314372][ C0] ? rcu_nmi_exit+0x6f/0xf0 [ 163.314387][ C0] ? put_task_struct+0x80/0x80 [ 163.314401][ C0] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 163.314417][ C0] ? lock_chain_count+0x20/0x20 [ 163.314431][ C0] ? _raw_spin_lock_irq+0xab/0xe0 [ 163.314445][ C0] do_group_exit+0x12e/0x300 [ 163.314460][ C0] ? lockdep_hardirqs_on+0x94/0x140 [ 163.314475][ C0] get_signal+0x6ca/0x12c0 [ 163.314496][ C0] arch_do_signal_or_restart+0xc1/0x1300 [ 163.314515][ C0] ? perf_trace_run_bpf_submit+0xf3/0x1c0 [ 163.314531][ C0] ? perf_trace_preemptirq_template+0x2be/0x380 [ 163.314545][ C0] ? get_sigframe_size+0x10/0x10 [ 163.314560][ C0] ? rcu_nmi_exit+0x6f/0xf0 [ 163.314581][ C0] ? exit_to_user_mode_loop+0x3b/0x130 [ 163.314598][ C0] exit_to_user_mode_loop+0x9e/0x130 [ 163.314613][ C0] exit_to_user_mode_prepare+0xee/0x180 [ 163.314628][ C0] syscall_exit_to_user_mode+0x16/0x40 [ 163.314643][ C0] do_syscall_64+0x58/0xa0 [ 163.314656][ C0] ? clear_bhb_loop+0x30/0x80 [ 163.314669][ C0] ? clear_bhb_loop+0x30/0x80 [ 163.314682][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 163.314696][ C0] RIP: 0033:0x7f8c57fcd459 [ 163.314707][ C0] Code: Unable to access opcode bytes at RIP 0x7f8c57fcd42f. [ 163.314713][ C0] RSP: 002b:00007f8c57f6d228 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 163.314733][ C0] RAX: fffffffffffffe00 RBX: 00007f8c57f6d6c0 RCX: 00007f8c57fcd459 [ 163.314743][ C0] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f8c58057318 [ 163.314751][ C0] RBP: 00002000000000c0 R08: 0000000000000000 R09: 0000000000000000 [ 163.314764][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8c58057318 [ 163.314773][ C0] R13: 00007f8c58057310 R14: 00007fff4f2f9730 R15: 00007fff4f2f9818 [ 163.314788][ C0] [ 163.314795][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.359 msecs [ 163.393885][ T21] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-... } 10564 jiffies s: 465 root: 0x1/. [ 163.922026][ T21] rcu: blocking rcu_node structures (internal RCU debug): [ 163.929498][ T21] Task dump for CPU 0: [ 163.933571][ T21] task:syz-executor235 state:R running task stack:25728 pid: 4206 ppid: 4185 flags:0x0000400a [ 163.944441][ T21] Call Trace: [ 163.947722][ T21] [ 163.950651][ T21] ? perf_trace_preemptirq_template+0x2be/0x380 [ 163.956940][ T21] ? asm_sysvec_irq_work+0x16/0x20 [ 163.962061][ T21] ? trace_event_raw_event_preemptirq_template+0x270/0x270 [ 163.969322][ T21] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 163.975443][ T21] ? lock_chain_count+0x20/0x20 [ 163.980305][ T21] ? asm_sysvec_irq_work+0x16/0x20 [ 163.985465][ T21] ? trace_irq_enable_rcuidle+0x108/0x180 [ 163.991196][ T21] ? trace_hardirqs_on+0x57/0x80 [ 163.996180][ T21] ? asm_sysvec_irq_work+0x16/0x20 [ 164.001401][ T21] ? rcu_read_unlock_special+0x84/0x480 [ 164.007002][ T21] ? __rcu_read_unlock+0xd0/0xd0 [ 164.011952][ T21] ? preempt_schedule+0xa7/0xb0 [ 164.016878][ T21] ? schedule_preempt_disabled+0x20/0x20 [ 164.022516][ T21] ? do_raw_spin_lock+0x11d/0x280 [ 164.027604][ T21] ? __rcu_read_unlock+0x78/0xd0 [ 164.032548][ T21] ? __unlock_page_memcg+0xea/0x100 [ 164.037801][ T21] ? unmap_page_range+0xfbc/0x2520 [ 164.042930][ T21] ? uprobe_munmap+0x165/0x3f0 [ 164.047742][ T21] ? unmap_vmas+0x11b/0x230 [ 164.052248][ T21] ? uprobe_clear_state+0x4f/0x460 [ 164.057480][ T21] ? unmap_page_range+0x2520/0x2520 [ 164.062676][ T21] ? __mutex_lock_common+0x431/0x2390 [ 164.068104][ T21] ? memset+0x1e/0x40 [ 164.072099][ T21] ? exit_mmap+0x38f/0x5f0 [ 164.076557][ T21] ? vm_brk+0x20/0x20 [ 164.080552][ T21] ? uprobe_clear_state+0x2f6/0x460 [ 164.085798][ T21] ? mm_update_next_owner+0x522/0x640 [ 164.091181][ T21] ? __mmput+0x115/0x3b0 [ 164.095470][ T21] ? exit_mm+0x567/0x6c0 [ 164.099717][ T21] ? xacct_add_tsk+0x4b0/0x4b0 [ 164.104528][ T21] ? do_exit+0x20a0/0x20a0 [ 164.108956][ T21] ? taskstats_exit+0x439/0xab0 [ 164.113857][ T21] ? tty_audit_exit+0x14e/0x1f0 [ 164.118713][ T21] ? do_exit+0x5a1/0x20a0 [ 164.123051][ T21] ? rcu_nmi_exit+0x6f/0xf0 [ 164.127611][ T21] ? put_task_struct+0x80/0x80 [ 164.132421][ T21] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 164.138450][ T21] ? lock_chain_count+0x20/0x20 [ 164.143303][ T21] ? _raw_spin_lock_irq+0xab/0xe0 [ 164.148382][ T21] ? do_group_exit+0x12e/0x300 [ 164.153156][ T21] ? lockdep_hardirqs_on+0x94/0x140 [ 164.158398][ T21] ? get_signal+0x6ca/0x12c0 [ 164.163009][ T21] ? arch_do_signal_or_restart+0xc1/0x1300 [ 164.168863][ T21] ? perf_trace_run_bpf_submit+0xf3/0x1c0 [ 164.174624][ T21] ? perf_trace_preemptirq_template+0x2be/0x380 [ 164.180874][ T21] ? get_sigframe_size+0x10/0x10 [ 164.185873][ T21] ? rcu_nmi_exit+0x6f/0xf0 [ 164.190418][ T21] ? exit_to_user_mode_loop+0x3b/0x130 [ 164.195936][ T21] ? exit_to_user_mode_loop+0x9e/0x130 [ 164.201400][ T21] ? exit_to_user_mode_prepare+0xee/0x180 [ 164.207178][ T21] ? syscall_exit_to_user_mode+0x16/0x40 [ 164.212830][ T21] ? do_syscall_64+0x58/0xa0 [ 164.217460][ T21] ? clear_bhb_loop+0x30/0x80 [ 164.222142][ T21] ? clear_bhb_loop+0x30/0x80 [ 164.226888][ T21] ? entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 164.233066][ T21]