Warning: Permanently added '10.128.1.117' (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 [ 86.687132][ T23] cfg80211: failed to load regulatory.db [ 187.134486][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 187.141591][ C1] rcu: 0-....: (0 ticks this GP) idle=c1d/1/0x4000000000000002 softirq=5594/5594 fqs=2099 [ 187.152225][ C1] rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P1108/1:b..l [ 187.160289][ C1] (detected by 1, t=10502 jiffies, g=5357, q=637) [ 187.166814][ C1] Sending NMI from CPU 1 to CPUs 0: [ 187.172037][ C0] NMI backtrace for cpu 0 [ 187.172070][ C0] CPU: 0 PID: 4203 Comm: syz-executor271 Not tainted syzkaller #0 [ 187.172088][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 187.172108][ C0] RIP: 0010:__lock_acquire+0xdbe/0x7c60 [ 187.172148][ C0] Code: 3f 85 c9 0f 49 c1 c1 f8 06 48 98 48 89 cb 48 8d 3c c5 c0 e0 fb 8f be 08 00 00 00 e8 ec 28 60 00 49 b8 00 00 00 00 00 fc ff df <48> 63 c3 48 0f a3 05 d7 d3 9f 0e 0f 83 23 4f 00 00 49 8d 9d e0 0a [ 187.172162][ C0] RSP: 0000:ffffc90002eeece0 EFLAGS: 00000056 [ 187.172176][ C0] RAX: 0000000000000001 RBX: 0000000000000015 RCX: ffffffff815c0cd4 [ 187.172187][ C0] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8ffbe0c0 [ 187.172198][ C0] RBP: ffffc90002eeef30 R08: dffffc0000000000 R09: fffffbfff1ff7c19 [ 187.172210][ C0] R10: fffffbfff1ff7c19 R11: 1ffffffff1ff7c18 R12: ffff88807effa920 [ 187.172223][ C0] R13: ffff88807eff9dc0 R14: ffffffff8f946ff8 R15: ffff88807effa900 [ 187.172235][ C0] FS: 0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 [ 187.172250][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 187.172261][ C0] CR2: 00007fcfa7ad7a78 CR3: 0000000074802000 CR4: 00000000003506f0 [ 187.172276][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 187.172285][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 187.172295][ C0] Call Trace: [ 187.172302][ C0] [ 187.172323][ C0] ? __lock_acquire+0x12d9/0x7c60 [ 187.172343][ C0] ? __lock_acquire+0x7c60/0x7c60 [ 187.172364][ C0] ? verify_lock_unused+0x140/0x140 [ 187.172385][ C0] ? rcu_lock_release+0x5/0x40 [ 187.172402][ C0] ? __lock_acquire+0x7c60/0x7c60 [ 187.172421][ C0] ? llist_add_batch+0x85/0xa0 [ 187.172442][ C0] lock_acquire+0x197/0x3f0 [ 187.172460][ C0] ? rcu_lock_acquire+0x9/0x30 [ 187.172480][ C0] ? rcu_lock_release+0x9/0x20 [ 187.172497][ C0] ? read_lock_is_recursive+0x10/0x10 [ 187.172516][ C0] ? __lock_acquire+0x7c60/0x7c60 [ 187.172534][ C0] ? perf_callchain+0x190/0x190 [ 187.172552][ C0] rcu_lock_acquire+0x2a/0x30 [ 187.172569][ C0] ? rcu_lock_acquire+0x9/0x30 [ 187.172585][ C0] perf_event_output_forward+0x9e/0x280 [ 187.172601][ C0] ? __lock_acquire+0x7c60/0x7c60 [ 187.172620][ C0] ? perf_get_page_size+0x420/0x420 [ 187.172640][ C0] ? perf_event_output_forward+0x222/0x280 [ 187.172657][ C0] ? __perf_event_account_interrupt+0x187/0x280 [ 187.172675][ C0] __perf_event_overflow+0x364/0x530 [ 187.172694][ C0] perf_swevent_event+0x4ad/0x530 [ 187.172713][ C0] perf_tp_event+0x32c/0xb50 [ 187.172728][ C0] ? __perf_event_overflow+0x415/0x530 [ 187.172746][ C0] ? perf_trace_run_bpf_submit+0x1c0/0x1c0 [ 187.172763][ C0] ? perf_swevent_event+0x33e/0x530 [ 187.172796][ C0] ? update_load_avg+0xbea/0x1130 [ 187.172817][ C0] perf_trace_run_bpf_submit+0xf3/0x1c0 [ 187.172836][ C0] perf_trace_preemptirq_template+0x2be/0x380 [ 187.172857][ C0] ? asm_sysvec_irq_work+0x16/0x20 [ 187.172880][ C0] ? trace_event_raw_event_preemptirq_template+0x270/0x270 [ 187.172898][ C0] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 187.172919][ C0] ? lock_chain_count+0x20/0x20 [ 187.172938][ C0] ? asm_sysvec_irq_work+0x16/0x20 [ 187.172955][ C0] trace_irq_enable_rcuidle+0x108/0x180 [ 187.172973][ C0] trace_hardirqs_on+0x57/0x80 [ 187.172990][ C0] asm_sysvec_irq_work+0x16/0x20 [ 187.173007][ C0] RIP: 0010:rcu_read_unlock_special+0x84/0x480 [ 187.173025][ 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 [ 187.173038][ C0] RSP: 0000:ffffc90002eef760 EFLAGS: 00000206 [ 187.173055][ C0] RAX: 6f94ca575df5bc00 RBX: 1ffff920005ddef0 RCX: 6f94ca575df5bc00 [ 187.173068][ C0] RDX: dffffc0000000000 RSI: ffffffff8a0b1c60 RDI: ffffffff8a59e580 [ 187.173081][ C0] RBP: ffffc90002eef830 R08: dffffc0000000000 R09: fffffbfff1ff7c19 [ 187.173093][ C0] R10: fffffbfff1ff7c19 R11: 1ffffffff1ff7c18 R12: ffffffff8c120c00 [ 187.173106][ C0] R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001 [ 187.173125][ C0] ? __rcu_read_unlock+0xd0/0xd0 [ 187.173141][ C0] ? rcu_lock_acquire+0x30/0x30 [ 187.173158][ C0] ? __lock_acquire+0x7c60/0x7c60 [ 187.173178][ C0] __rcu_read_unlock+0x78/0xd0 [ 187.173194][ C0] __unlock_page_memcg+0xea/0x100 [ 187.173215][ C0] unmap_page_range+0xfbc/0x2520 [ 187.173237][ C0] ? uprobe_munmap+0x165/0x3f0 [ 187.173258][ C0] unmap_vmas+0x11b/0x230 [ 187.173272][ C0] ? uprobe_clear_state+0x4f/0x460 [ 187.173288][ C0] ? unmap_page_range+0x2520/0x2520 [ 187.173303][ C0] ? __mutex_lock_common+0x431/0x2390 [ 187.173326][ C0] ? memset+0x1e/0x40 [ 187.173345][ C0] exit_mmap+0x38f/0x5f0 [ 187.173363][ C0] ? vm_brk+0x20/0x20 [ 187.173386][ C0] ? uprobe_clear_state+0x2f6/0x460 [ 187.173401][ C0] ? mm_update_next_owner+0x522/0x640 [ 187.173423][ C0] __mmput+0x115/0x3b0 [ 187.173439][ C0] exit_mm+0x567/0x6c0 [ 187.173457][ C0] ? xacct_add_tsk+0x4b0/0x4b0 [ 187.173476][ C0] ? do_exit+0x20a0/0x20a0 [ 187.173495][ C0] ? taskstats_exit+0x439/0xab0 [ 187.173513][ C0] ? tty_audit_exit+0x14e/0x1f0 [ 187.173533][ C0] do_exit+0x5a1/0x20a0 [ 187.173553][ C0] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 187.173572][ C0] ? put_task_struct+0x80/0x80 [ 187.173590][ C0] ? lock_chain_count+0x20/0x20 [ 187.173610][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 187.173625][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 187.173641][ C0] ? lockdep_hardirqs_on+0x94/0x140 [ 187.173660][ C0] do_group_exit+0x12e/0x300 [ 187.173680][ C0] __x64_sys_exit_group+0x3b/0x40 [ 187.173698][ C0] do_syscall_64+0x4c/0xa0 [ 187.173713][ C0] ? clear_bhb_loop+0x30/0x80 [ 187.173729][ C0] ? clear_bhb_loop+0x30/0x80 [ 187.173745][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 187.173763][ C0] RIP: 0033:0x7fcfa7a7f479 [ 187.173775][ C0] Code: Unable to access opcode bytes at RIP 0x7fcfa7a7f44f. [ 187.173783][ C0] RSP: 002b:00007fff6b6fcb58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 187.173798][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcfa7a7f479 [ 187.173810][ C0] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 187.173819][ C0] RBP: 00007fcfa7b0b2b0 R08: ffffffffffffffb0 R09: 00384e44a677185e [ 187.173832][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcfa7b0b2b0 [ 187.173842][ C0] R13: 0000000000000000 R14: 00007fcfa7b0be40 R15: 00007fcfa7a4d200 [ 187.173860][ C0] [ 187.173867][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.829 msecs [ 187.174043][ C1] task:kworker/0:2 state:R running task stack:25056 pid: 1108 ppid: 2 flags:0x00004000 [ 187.825021][ C1] Workqueue: events_power_efficient gc_worker [ 187.831131][ C1] Call Trace: [ 187.834429][ C1] [ 187.837386][ C1] __schedule+0x11bb/0x4390 [ 187.841938][ C1] ? lock_chain_count+0x20/0x20 [ 187.846818][ C1] ? asm_sysvec_call_function_single+0x16/0x20 [ 187.852995][ C1] ? asm_sysvec_call_function_single+0x16/0x20 [ 187.859172][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 187.864400][ C1] ? release_firmware_map_entry+0x190/0x190 [ 187.870329][ C1] preempt_schedule_irq+0xb1/0x150 [ 187.875467][ C1] ? __cond_resched+0xb0/0xb0 [ 187.880167][ C1] ? rcu_is_watching+0x11/0xa0 [ 187.884956][ C1] ? rcu_irq_exit_check_preempt+0xdb/0x200 [ 187.890783][ C1] irqentry_exit+0x63/0x70 [ 187.895218][ C1] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 187.901216][ C1] RIP: 0010:seqcount_lockdep_reader_access+0x17b/0x1c0 [ 187.908083][ C1] Code: f9 4d 85 e4 75 16 e8 84 38 61 f9 eb 15 e8 7d 38 61 f9 e8 48 da 92 01 4d 85 e4 74 ea e8 6e 38 61 f9 fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 3e 00 00 00 00 66 43 c7 44 3e 09 00 00 43 c6 44 3e 0b 00 [ 187.927711][ C1] RSP: 0000:ffffc90004847a20 EFLAGS: 00000293 [ 187.933800][ C1] RAX: ffffffff881693a2 RBX: 0000000000000000 RCX: ffff88802112bb80 [ 187.941786][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 187.949775][ C1] RBP: ffffc90004847ad0 R08: dffffc0000000000 R09: fffffbfff1ff7c2c [ 187.957764][ C1] R10: fffffbfff1ff7c2c R11: 1ffffffff1ff7c2b R12: 0000000000000200 [ 187.965753][ C1] R13: ffff88801f83c018 R14: 1ffff92000908f44 R15: dffffc0000000000 [ 187.973753][ C1] ? seqcount_lockdep_reader_access+0x172/0x1c0 [ 187.980044][ C1] ? nf_conntrack_hash_check_insert+0x6f0/0x6f0 [ 187.986327][ C1] gc_worker+0x2e2/0x13a0 [ 187.990697][ C1] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 187.996614][ C1] ? init_conntrack+0x14b0/0x14b0 [ 188.001664][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 188.006878][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 188.012103][ C1] process_one_work+0x863/0x1000 [ 188.017163][ C1] ? worker_detach_from_pool+0x240/0x240 [ 188.022813][ C1] ? lockdep_hardirqs_off+0x70/0x100 [ 188.028130][ C1] ? _raw_spin_lock_irq+0xab/0xe0 [ 188.033287][ C1] ? _raw_spin_lock_irqsave+0xf0/0xf0 [ 188.038823][ C1] ? wq_worker_running+0x97/0x170 [ 188.043872][ C1] worker_thread+0xaa8/0x12a0 [ 188.048582][ C1] ? _raw_spin_unlock_irqrestore+0x82/0x100 [ 188.054496][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 188.059721][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 188.064948][ C1] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 188.070870][ C1] kthread+0x436/0x520 [ 188.074966][ C1] ? rcu_lock_release+0x20/0x20 [ 188.079843][ C1] ? kthread_blkcg+0xd0/0xd0 [ 188.084454][ C1] ret_from_fork+0x1f/0x30 [ 188.088929][ C1] [ 189.074660][ T1111] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { P1108 0-... } 10695 jiffies s: 513 root: 0x1/T [ 189.087669][ T1111] rcu: blocking rcu_node structures (internal RCU debug): [ 189.095336][ T1111] Task dump for CPU 0: [ 189.099428][ T1111] task:syz-executor271 state:R running task stack:25728 pid: 4203 ppid: 4190 flags:0x0000400a [ 189.110305][ T1111] Call Trace: [ 189.113627][ T1111] [ 189.116611][ T1111] ? perf_trace_preemptirq_template+0x2be/0x380 [ 189.122898][ T1111] ? asm_sysvec_irq_work+0x16/0x20 [ 189.128211][ T1111] ? trace_event_raw_event_preemptirq_template+0x270/0x270 [ 189.135483][ T1111] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 189.141508][ T1111] ? lock_chain_count+0x20/0x20 [ 189.146432][ T1111] ? asm_sysvec_irq_work+0x16/0x20 [ 189.151577][ T1111] ? trace_irq_enable_rcuidle+0x108/0x180 [ 189.157454][ T1111] ? trace_hardirqs_on+0x57/0x80 [ 189.162416][ T1111] ? asm_sysvec_irq_work+0x16/0x20 [ 189.167597][ T1111] ? rcu_read_unlock_special+0x84/0x480 [ 189.173174][ T1111] ? __rcu_read_unlock+0xd0/0xd0 [ 189.178248][ T1111] ? rcu_lock_acquire+0x30/0x30 [ 189.183131][ T1111] ? __lock_acquire+0x7c60/0x7c60 [ 189.188235][ T1111] ? __rcu_read_unlock+0x78/0xd0 [ 189.193208][ T1111] ? __unlock_page_memcg+0xea/0x100 [ 189.198471][ T1111] ? unmap_page_range+0xfbc/0x2520 [ 189.203633][ T1111] ? uprobe_munmap+0x165/0x3f0 [ 189.208471][ T1111] ? unmap_vmas+0x11b/0x230 [ 189.213004][ T1111] ? uprobe_clear_state+0x4f/0x460 [ 189.218178][ T1111] ? unmap_page_range+0x2520/0x2520 [ 189.223398][ T1111] ? __mutex_lock_common+0x431/0x2390 [ 189.228944][ T1111] ? memset+0x1e/0x40 [ 189.232965][ T1111] ? exit_mmap+0x38f/0x5f0 [ 189.237482][ T1111] ? vm_brk+0x20/0x20 [ 189.241501][ T1111] ? uprobe_clear_state+0x2f6/0x460 [ 189.246940][ T1111] ? mm_update_next_owner+0x522/0x640 [ 189.252363][ T1111] ? __mmput+0x115/0x3b0 [ 189.256687][ T1111] ? exit_mm+0x567/0x6c0 [ 189.260963][ T1111] ? xacct_add_tsk+0x4b0/0x4b0 [ 189.265793][ T1111] ? do_exit+0x20a0/0x20a0 [ 189.270236][ T1111] ? taskstats_exit+0x439/0xab0 [ 189.275329][ T1111] ? tty_audit_exit+0x14e/0x1f0 [ 189.280214][ T1111] ? do_exit+0x5a1/0x20a0 [ 189.284610][ T1111] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 189.290623][ T1111] ? put_task_struct+0x80/0x80 [ 189.295451][ T1111] ? lock_chain_count+0x20/0x20 [ 189.300340][ T1111] ? _raw_spin_unlock_irq+0x1f/0x40 [ 189.305589][ T1111] ? _raw_spin_unlock_irq+0x1f/0x40 [ 189.310813][ T1111] ? lockdep_hardirqs_on+0x94/0x140 [ 189.316075][ T1111] ? do_group_exit+0x12e/0x300 [ 189.320878][ T1111] ? __x64_sys_exit_group+0x3b/0x40 [ 189.326208][ T1111] ? do_syscall_64+0x4c/0xa0 [ 189.330936][ T1111] ? clear_bhb_loop+0x30/0x80 [ 189.335668][ T1111] ? clear_bhb_loop+0x30/0x80 [ 189.340374][ T1111] ? entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 189.346513][ T1111]