[ 76.321781][ T7] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.1.47' (ED25519) to the list of known hosts. executing program executing program executing program [ 182.500342][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 182.507484][ C1] (detected by 1, t=10502 jiffies, g=3285, q=24) [ 182.514107][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294955386-4294944884), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 182.527467][ C1] rcu: rcu_preempt kthread starved for 10502 jiffies! g3285 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 182.538571][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 182.548533][ C1] rcu: RCU grace-period kthread stack dump: [ 182.554421][ C1] task:rcu_preempt state:R running task stack:27064 pid: 15 ppid: 2 flags:0x00004000 [ 182.565215][ C1] Call Trace: [ 182.568498][ C1] [ 182.571424][ C1] __schedule+0x12c4/0x45b0 [ 182.575958][ C1] ? _raw_spin_unlock_irqrestore+0x8b/0x130 [ 182.581851][ C1] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 182.587751][ C1] ? __mod_timer+0xa8e/0xeb0 [ 182.592344][ C1] ? release_firmware_map_entry+0x190/0x190 [ 182.598244][ C1] ? mod_timer_pending+0x20/0x20 [ 182.603178][ C1] ? lockdep_softirqs_off+0x420/0x420 [ 182.608549][ C1] schedule+0x11b/0x1f0 [ 182.612703][ C1] schedule_timeout+0x1b9/0x300 [ 182.617550][ C1] ? console_conditional_schedule+0x40/0x40 [ 182.623440][ C1] ? update_process_times+0x200/0x200 [ 182.628902][ C1] ? prepare_to_swait_event+0x321/0x340 [ 182.634450][ C1] rcu_gp_fqs_loop+0x2bf/0x1080 [ 182.639302][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 182.644497][ C1] ? lockdep_hardirqs_on+0x94/0x130 [ 182.649695][ C1] ? rcu_gp_init+0xdae/0x1140 [ 182.654372][ C1] ? rcu_gp_init+0x1140/0x1140 [ 182.659139][ C1] ? finish_swait+0xc5/0x1d0 [ 182.663727][ C1] rcu_gp_kthread+0xa4/0x360 [ 182.668317][ C1] ? _raw_spin_unlock+0x40/0x40 [ 182.673168][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 182.678276][ C1] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 182.684171][ C1] ? __kthread_parkme+0x15c/0x1c0 [ 182.689200][ C1] kthread+0x3f6/0x4f0 [ 182.693275][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 182.698387][ C1] ? kthread_blkcg+0xd0/0xd0 [ 182.702974][ C1] ret_from_fork+0x1f/0x30 [ 182.707397][ C1] [ 182.710417][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 182.716732][ C1] Sending NMI from CPU 1 to CPUs 0: [ 182.721940][ C0] NMI backtrace for cpu 0 [ 182.721966][ C0] CPU: 0 PID: 3569 Comm: syz-executor353 Not tainted 5.15.165-syzkaller #0 [ 182.721982][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 182.721990][ C0] RIP: 0010:lock_acquire+0x193/0x4f0 [ 182.722010][ C0] Code: 00 00 00 00 00 00 9c 8f 84 24 80 00 00 00 42 80 3c 2b 00 74 08 4c 89 ff e8 fa 7b 67 00 48 8d 5c 24 60 4c 8b bc 24 80 00 00 00 48 c7 c7 20 38 8b 8a e8 b0 b3 d0 08 65 ff 05 69 ca 9f 7e 45 31 [ 182.722024][ C0] RSP: 0018:ffffc90000007ae0 EFLAGS: 00000046 [ 182.722037][ C0] RAX: 0000000000000000 RBX: ffffc90000007b40 RCX: ffffffff8162adbc [ 182.722048][ C0] RDX: 0000000000000000 RSI: ffffffff8ad8f7a0 RDI: ffffffff8ad8f760 [ 182.722057][ C0] RBP: ffffc90000007c28 R08: dffffc0000000000 R09: fffffbfff1bd2a56 [ 182.722068][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff92000000f64 [ 182.722077][ C0] R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000046 [ 182.722095][ C0] FS: 00007fcec87c06c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 [ 182.722107][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 182.722117][ C0] CR2: 00007fcec87bfe40 CR3: 000000002373e000 CR4: 00000000003506f0 [ 182.722129][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 182.722137][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 182.722146][ C0] Call Trace: [ 182.722151][ C0] [ 182.722157][ C0] ? nmi_cpu_backtrace+0x39f/0x4a0 [ 182.722173][ C0] ? read_lock_is_recursive+0x10/0x10 [ 182.722188][ C0] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0 [ 182.722204][ C0] ? unknown_nmi_error+0xd0/0xd0 [ 182.722225][ C0] ? nmi_cpu_backtrace_handler+0x8/0x10 [ 182.722240][ C0] ? nmi_handle+0xf7/0x370 [ 182.722254][ C0] ? lock_acquire+0x193/0x4f0 [ 182.722266][ C0] ? default_do_nmi+0x62/0x150 [ 182.722282][ C0] ? exc_nmi+0xa8/0x100 [ 182.722295][ C0] ? end_repeat_nmi+0x16/0x31 [ 182.722314][ C0] ? lock_acquire+0xcc/0x4f0 [ 182.722327][ C0] ? lock_acquire+0x193/0x4f0 [ 182.722339][ C0] ? lock_acquire+0x193/0x4f0 [ 182.722353][ C0] ? lock_acquire+0x193/0x4f0 [ 182.722366][ C0] [ 182.722370][ C0] [ 182.722377][ C0] ? read_lock_is_recursive+0x10/0x10 [ 182.722391][ C0] ? __lock_acquire+0x1295/0x1ff0 [ 182.722411][ C0] _raw_spin_lock_irqsave+0xd1/0x120 [ 182.722427][ C0] ? debug_object_deactivate+0x63/0x380 [ 182.722444][ C0] ? _raw_spin_lock+0x40/0x40 [ 182.722459][ C0] ? read_lock_is_recursive+0x10/0x10 [ 182.722474][ C0] debug_object_deactivate+0x63/0x380 [ 182.722494][ C0] debug_deactivate+0x1b/0x1e0 [ 182.722508][ C0] __hrtimer_run_queues+0x31d/0xcf0 [ 182.722525][ C0] ? ktime_get_real_ts64+0x460/0x460 [ 182.722538][ C0] ? do_raw_spin_unlock+0x137/0x8b0 [ 182.722556][ C0] ? hrtimer_interrupt+0x980/0x980 [ 182.722569][ C0] ? ktime_get_update_offsets_now+0x407/0x420 [ 182.722587][ C0] hrtimer_interrupt+0x392/0x980 [ 182.722610][ C0] __sysvec_apic_timer_interrupt+0x139/0x470 [ 182.722628][ C0] sysvec_apic_timer_interrupt+0x8c/0xb0 [ 182.722644][ C0] [ 182.722647][ C0] [ 182.722652][ C0] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 182.722668][ C0] RIP: 0010:_raw_spin_unlock_irq+0x25/0x40 [ 182.722684][ C0] Code: a1 68 f6 ff 90 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 3e ee 25 f7 48 89 df e8 16 42 27 f7 e8 51 fd 49 f7 fb bf 01 00 00 00 f6 87 1a f7 65 8b 05 d7 8a c5 75 85 c0 74 02 5b c3 e8 a4 a7 c3 [ 182.722694][ C0] RSP: 0018:ffffc90002d97bc0 EFLAGS: 00000282 [ 182.722705][ C0] RAX: 0f60a1c1fa497700 RBX: ffff8880232e1bc0 RCX: ffffffff96865f03 [ 182.722716][ C0] RDX: dffffc0000000000 RSI: ffffffff8a8b2a20 RDI: 0000000000000001 [ 182.722725][ C0] RBP: 0000000000000000 R08: ffffffff8186e260 R09: ffffed100465c379 [ 182.722734][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000021 [ 182.722743][ C0] R13: dffffc0000000000 R14: ffff8880232e2058 R15: ffff8880232e1bc0 [ 182.722756][ C0] ? trace_hardirqs_on+0x30/0x80 [ 182.722775][ C0] get_signal+0x13ee/0x14e0 [ 182.722796][ C0] arch_do_signal_or_restart+0xc3/0x1890 [ 182.722813][ C0] ? __do_compat_sys_x32_rt_sigreturn+0x250/0x250 [ 182.722832][ C0] ? __might_fault+0xb4/0x110 [ 182.722849][ C0] ? _copy_from_user+0x10f/0x170 [ 182.722868][ C0] ? restore_altstack+0x274/0x400 [ 182.722884][ C0] ? get_sigframe_size+0x10/0x10 [ 182.722899][ C0] ? __ia32_sys_sigaltstack+0x60/0x60 [ 182.722919][ C0] ? __do_sys_rt_sigreturn+0x19d/0x250 [ 182.722936][ C0] ? exit_to_user_mode_loop+0x39/0x130 [ 182.722951][ C0] exit_to_user_mode_loop+0x97/0x130 [ 182.722965][ C0] exit_to_user_mode_prepare+0xb1/0x140 [ 182.722980][ C0] syscall_exit_to_user_mode+0x5d/0x240 [ 182.722996][ C0] do_syscall_64+0x47/0xb0 [ 182.723009][ C0] ? clear_bhb_loop+0x15/0x70 [ 182.723025][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 182.723040][ C0] RIP: 0033:0x7fcec87ff417 [ 182.723060][ C0] Code: 14 25 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 <0f> 05 48 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 [ 182.723071][ C0] RSP: 002b:00007fcec87c0238 EFLAGS: 00000246 [ 182.723085][ C0] RAX: 00000000000000ca RBX: 00007fcec8889308 RCX: 00007fcec87ff419 [ 182.723095][ C0] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fcec8889308 [ 182.723103][ C0] RBP: 00007fcec8889300 R08: 00007fcec87c06c0 R09: 00007fcec87c06c0 [ 182.723113][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcec8856074 [ 182.723121][ C0] R13: 0000000000000000 R14: 00007fff8bb313b0 R15: 00007fff8bb31498 [ 182.723137][ C0] [ 182.723147][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.202 msecs