Warning: Permanently added '10.128.1.60' (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 [ 81.318090][ T1325] cfg80211: failed to load regulatory.db [ 165.365535][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 165.372750][ C1] rcu: 0-....: (1 GPs behind) idle=30d/1/0x4000000000000002 softirq=5217/5218 fqs=5250 [ 165.383092][ C1] (detected by 1, t=10502 jiffies, g=5257, q=431) [ 165.389651][ C1] Sending NMI from CPU 1 to CPUs 0: [ 165.394891][ C0] NMI backtrace for cpu 0 [ 165.394919][ C0] CPU: 0 PID: 4237 Comm: syz-executor160 Not tainted 5.15.189-syzkaller #0 [ 165.394934][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 165.394949][ C0] RIP: 0010:perf_tp_event+0x345/0xb50 [ 165.394979][ C0] Code: 8d 94 24 80 00 00 00 48 8b 4c 24 18 e8 24 08 00 00 49 83 c5 60 4c 89 e8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 <74> 08 4c 89 ef e8 21 4b 25 00 4d 8b 6d 00 4d 85 ed 0f 84 06 01 00 [ 165.394991][ C0] RSP: 0000:ffffc900030fef40 EFLAGS: 00000046 [ 165.395004][ C0] RAX: 1ffff110032bd308 RBX: 1ffff11017206a2b RCX: dffffc0000000000 [ 165.395015][ C0] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002 [ 165.395023][ C0] RBP: ffffc900030ff1c8 R08: dffffc0000000000 R09: fffffbfff1ad2dd6 [ 165.395033][ C0] R10: fffffbfff1ad2dd6 R11: 1ffffffff1ad2dd5 R12: ffff8880b9035158 [ 165.395044][ C0] R13: ffff8880195e9840 R14: 0000000000000000 R15: 0000000000000000 [ 165.395053][ C0] FS: 0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 [ 165.395065][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 165.395075][ C0] CR2: 00002000000000c0 CR3: 0000000079d68000 CR4: 00000000003506f0 [ 165.395088][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 165.395096][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 165.395104][ C0] Call Trace: [ 165.395110][ C0] [ 165.395115][ C0] ? __perf_event_overflow+0x415/0x530 [ 165.395135][ C0] ? perf_trace_run_bpf_submit+0x1c0/0x1c0 [ 165.395149][ C0] ? perf_swevent_event+0x33e/0x530 [ 165.395180][ C0] ? update_load_avg+0xbea/0x1130 [ 165.395199][ C0] perf_trace_run_bpf_submit+0xf3/0x1c0 [ 165.395216][ C0] perf_trace_preemptirq_template+0x2be/0x380 [ 165.395234][ C0] ? asm_sysvec_irq_work+0x16/0x20 [ 165.395254][ C0] ? trace_event_raw_event_preemptirq_template+0x270/0x270 [ 165.395269][ C0] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 165.395289][ C0] ? lock_chain_count+0x20/0x20 [ 165.395306][ C0] ? asm_sysvec_irq_work+0x16/0x20 [ 165.395319][ C0] trace_irq_enable_rcuidle+0x108/0x180 [ 165.395335][ C0] trace_hardirqs_on+0x57/0x80 [ 165.395349][ C0] asm_sysvec_irq_work+0x16/0x20 [ 165.395362][ C0] RIP: 0010:rcu_read_unlock_special+0x84/0x480 [ 165.395378][ 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 7d 16 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 [ 165.395389][ C0] RSP: 0000:ffffc900030ff420 EFLAGS: 00000206 [ 165.395400][ C0] RAX: 1f0e4a9357bc8900 RBX: 1ffff9200061fe88 RCX: 1f0e4a9357bc8900 [ 165.395410][ C0] RDX: dffffc0000000000 RSI: ffffffff8a0b15c0 RDI: ffffffff8a599340 [ 165.395421][ C0] RBP: ffffc900030ff4f0 R08: dffffc0000000000 R09: fffffbfff1ff6e19 [ 165.395431][ C0] R10: fffffbfff1ff6e19 R11: 1ffffffff1ff6e18 R12: ffffffff8c120800 [ 165.395442][ C0] R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001 [ 165.395460][ C0] ? __rcu_read_unlock+0xd0/0xd0 [ 165.395481][ C0] ? __mod_lruvec_page_state+0x1fe/0x330 [ 165.395500][ C0] __rcu_read_unlock+0x78/0xd0 [ 165.395514][ C0] __unlock_page_memcg+0xea/0x100 [ 165.395531][ C0] unmap_page_range+0xfbc/0x2520 [ 165.395564][ C0] unmap_vmas+0x11b/0x230 [ 165.395579][ C0] ? uprobe_clear_state+0x4f/0x460 [ 165.395593][ C0] ? unmap_page_range+0x2520/0x2520 [ 165.395609][ C0] ? __mutex_lock_common+0x431/0x2390 [ 165.395628][ C0] ? memset+0x1e/0x40 [ 165.395645][ C0] exit_mmap+0x38f/0x5f0 [ 165.395661][ C0] ? vm_brk+0x20/0x20 [ 165.395681][ C0] ? uprobe_clear_state+0x2f6/0x460 [ 165.395694][ C0] ? mm_update_next_owner+0x522/0x640 [ 165.395713][ C0] __mmput+0x115/0x3b0 [ 165.395727][ C0] exit_mm+0x567/0x6c0 [ 165.395743][ C0] ? xacct_add_tsk+0x4b0/0x4b0 [ 165.395760][ C0] ? do_exit+0x20a0/0x20a0 [ 165.395776][ C0] ? taskstats_exit+0x439/0xab0 [ 165.395792][ C0] ? tty_audit_exit+0x14e/0x1f0 [ 165.395810][ C0] do_exit+0x5a1/0x20a0 [ 165.395828][ C0] ? put_task_struct+0x80/0x80 [ 165.395843][ C0] ? asm_sysvec_call_function_single+0x16/0x20 [ 165.395857][ C0] ? asm_sysvec_call_function_single+0x16/0x20 [ 165.395873][ C0] ? asm_sysvec_call_function_single+0x16/0x20 [ 165.395891][ C0] do_group_exit+0x12e/0x300 [ 165.395909][ C0] get_signal+0x6ca/0x12c0 [ 165.395931][ C0] arch_do_signal_or_restart+0xc1/0x1300 [ 165.395948][ C0] ? perf_trace_preemptirq_template+0x2be/0x380 [ 165.395966][ C0] ? rcu_nmi_exit+0x6f/0xf0 [ 165.395982][ C0] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 165.395998][ C0] ? perf_trace_preemptirq_template+0x2be/0x380 [ 165.396014][ C0] ? get_sigframe_size+0x10/0x10 [ 165.396041][ C0] exit_to_user_mode_loop+0x9e/0x130 [ 165.396059][ C0] exit_to_user_mode_prepare+0xb1/0x140 [ 165.396076][ C0] syscall_exit_to_user_mode+0x16/0x40 [ 165.396091][ C0] do_syscall_64+0x58/0xa0 [ 165.396107][ C0] ? clear_bhb_loop+0x30/0x80 [ 165.396120][ C0] ? clear_bhb_loop+0x30/0x80 [ 165.396133][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 165.396150][ C0] RIP: 0033:0x7f566dd15459 [ 165.396161][ C0] Code: Unable to access opcode bytes at RIP 0x7f566dd1542f. [ 165.396168][ C0] RSP: 002b:00007f566dcb5228 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 165.396181][ C0] RAX: fffffffffffffe00 RBX: 00007f566dcb56c0 RCX: 00007f566dd15459 [ 165.396192][ C0] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f566dd9f318 [ 165.396200][ C0] RBP: 00002000000000c0 R08: 0000000000000000 R09: 0000000000000000 [ 165.396209][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f566dd9f318 [ 165.396218][ C0] R13: 00007f566dd9f310 R14: 00007ffd2b78b460 R15: 00007ffd2b78b548 [ 165.396234][ C0] [ 165.396240][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.348 msecs [ 168.355596][ T4196] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-... } 10801 jiffies s: 465 root: 0x1/. [ 168.368064][ T4196] rcu: blocking rcu_node structures (internal RCU debug): [ 168.375204][ T4196] Task dump for CPU 0: [ 168.379385][ T4196] task:syz-executor160 state:R running task stack:26496 pid: 4237 ppid: 4185 flags:0x0000400a [ 168.390255][ T4196] Call Trace: [ 168.393569][ T4196] [ 168.396562][ T4196] ? uprobe_clear_state+0x2f6/0x460 [ 168.401793][ T4196] ? mm_update_next_owner+0x522/0x640 [ 168.407244][ T4196] ? __mmput+0x115/0x3b0 [ 168.411523][ T4196] ? exit_mm+0x567/0x6c0 [ 168.415859][ T4196] ? xacct_add_tsk+0x4b0/0x4b0 [ 168.420644][ T4196] ? do_exit+0x20a0/0x20a0 [ 168.425075][ T4196] ? taskstats_exit+0x439/0xab0 [ 168.429964][ T4196] ? tty_audit_exit+0x14e/0x1f0 [ 168.434830][ T4196] ? do_exit+0x5a1/0x20a0 [ 168.439237][ T4196] ? put_task_struct+0x80/0x80 [ 168.444019][ T4196] ? asm_sysvec_call_function_single+0x16/0x20 [ 168.450227][ T4196] ? asm_sysvec_call_function_single+0x16/0x20 [ 168.456429][ T4196] ? asm_sysvec_call_function_single+0x16/0x20 [ 168.462614][ T4196] ? do_group_exit+0x12e/0x300 [ 168.467428][ T4196] ? get_signal+0x6ca/0x12c0 [ 168.472052][ T4196] ? arch_do_signal_or_restart+0xc1/0x1300 [ 168.477945][ T4196] ? perf_trace_preemptirq_template+0x2be/0x380 [ 168.484210][ T4196] ? rcu_nmi_exit+0x6f/0xf0 [ 168.488770][ T4196] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 168.494773][ T4196] ? perf_trace_preemptirq_template+0x2be/0x380 [ 168.501082][ T4196] ? get_sigframe_size+0x10/0x10 [ 168.506107][ T4196] ? exit_to_user_mode_loop+0x9e/0x130 [ 168.511584][ T4196] ? exit_to_user_mode_prepare+0xb1/0x140 [ 168.517371][ T4196] ? syscall_exit_to_user_mode+0x16/0x40 [ 168.523033][ T4196] ? do_syscall_64+0x58/0xa0 [ 168.527683][ T4196] ? clear_bhb_loop+0x30/0x80 [ 168.532376][ T4196] ? clear_bhb_loop+0x30/0x80 [ 168.537121][ T4196] ? entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 168.543234][ T4196]