[ 71.156317][ T7] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.0.41' (ED25519) to the list of known hosts. executing program executing program [ 179.742263][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 179.749299][ C1] (detected by 1, t=10502 jiffies, g=3253, q=52) [ 179.755715][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294955115-4294944613), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 179.769074][ C1] rcu: rcu_preempt kthread starved for 10502 jiffies! g3253 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 179.780170][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 179.790127][ C1] rcu: RCU grace-period kthread stack dump: [ 179.796001][ C1] task:rcu_preempt state:R running task stack:27064 pid: 15 ppid: 2 flags:0x00004000 [ 179.806779][ C1] Call Trace: [ 179.810053][ C1] [ 179.812977][ C1] __schedule+0x12c4/0x45b0 [ 179.817493][ C1] ? _raw_spin_unlock_irqrestore+0x8b/0x130 [ 179.823381][ C1] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 179.829280][ C1] ? __mod_timer+0xa8e/0xeb0 [ 179.833876][ C1] ? release_firmware_map_entry+0x190/0x190 [ 179.839761][ C1] ? mod_timer_pending+0x20/0x20 [ 179.844691][ C1] ? lockdep_softirqs_off+0x420/0x420 [ 179.850062][ C1] schedule+0x11b/0x1f0 [ 179.854213][ C1] schedule_timeout+0x1b9/0x300 [ 179.859055][ C1] ? console_conditional_schedule+0x40/0x40 [ 179.864940][ C1] ? update_process_times+0x200/0x200 [ 179.870313][ C1] ? prepare_to_swait_event+0x321/0x340 [ 179.875855][ C1] rcu_gp_fqs_loop+0x2bf/0x1080 [ 179.880701][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 179.885889][ C1] ? lockdep_hardirqs_on+0x94/0x130 [ 179.891082][ C1] ? rcu_gp_init+0xdae/0x1140 [ 179.895752][ C1] ? rcu_gp_init+0x1140/0x1140 [ 179.900512][ C1] ? finish_swait+0xc5/0x1d0 [ 179.905096][ C1] rcu_gp_kthread+0xa4/0x360 [ 179.909680][ C1] ? _raw_spin_unlock+0x40/0x40 [ 179.914526][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 179.919631][ C1] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 179.925525][ C1] ? __kthread_parkme+0x15c/0x1c0 [ 179.930544][ C1] kthread+0x3f6/0x4f0 [ 179.934606][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 179.939708][ C1] ? kthread_blkcg+0xd0/0xd0 [ 179.944291][ C1] ret_from_fork+0x1f/0x30 [ 179.948719][ C1] [ 179.951726][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 179.958036][ C1] Sending NMI from CPU 1 to CPUs 0: [ 179.963227][ C0] NMI backtrace for cpu 0 [ 179.963240][ C0] CPU: 0 PID: 3598 Comm: syz-executor218 Not tainted 5.15.167-syzkaller #0 [ 179.963254][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 179.963261][ C0] RIP: 0010:lock_release+0x6fc/0x9a0 [ 179.963278][ C0] Code: 94 e9 8d e8 36 4a 67 00 e9 fa f9 ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 2e fa ff ff 48 89 df e8 19 4a 67 00 e9 21 fa ff ff <48> 8d 8c 24 80 00 00 00 80 e1 07 80 c1 03 38 c1 0f 8c 94 fa ff ff [ 179.963288][ C0] RSP: 0018:ffffc90000007b80 EFLAGS: 00000002 [ 179.963301][ C0] RAX: 0000000000000004 RBX: 0000000000000046 RCX: ffffffff8162d418 [ 179.963310][ C0] RDX: 1ffff92000000f80 RSI: ffffffff8a8b3900 RDI: ffffffff8ad904c0 [ 179.963320][ C0] RBP: ffffc90000007cb0 R08: dffffc0000000000 R09: fffffbfff1bd2c16 [ 179.963330][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff92000000f7c [ 179.963339][ C0] R13: ffff888026659dc0 R14: ffffc90000007c30 R15: dffffc0000000000 [ 179.963349][ C0] FS: 00005555722fa3c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 [ 179.963361][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 179.963371][ C0] CR2: 000000002006b000 CR3: 000000007de82000 CR4: 00000000003506f0 [ 179.963382][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 179.963390][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 179.963398][ C0] Call Trace: [ 179.963403][ C0] [ 179.963408][ C0] ? nmi_cpu_backtrace+0x39f/0x4a0 [ 179.963424][ C0] ? read_lock_is_recursive+0x10/0x10 [ 179.963438][ C0] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0 [ 179.963457][ C0] ? nmi_cpu_backtrace_handler+0x8/0x10 [ 179.963471][ C0] ? nmi_handle+0xf7/0x370 [ 179.963485][ C0] ? lock_release+0x6fc/0x9a0 [ 179.963497][ C0] ? default_do_nmi+0x62/0x150 [ 179.963511][ C0] ? exc_nmi+0xa8/0x100 [ 179.963523][ C0] ? end_repeat_nmi+0x16/0x31 [ 179.963537][ C0] ? lock_release+0xa8/0x9a0 [ 179.963549][ C0] ? lock_release+0x6fc/0x9a0 [ 179.963561][ C0] ? lock_release+0x6fc/0x9a0 [ 179.963573][ C0] ? lock_release+0x6fc/0x9a0 [ 179.963584][ C0] [ 179.963588][ C0] [ 179.963593][ C0] ? debug_deactivate+0x1b/0x1e0 [ 179.963606][ C0] ? __hrtimer_run_queues+0x48c/0xcf0 [ 179.963619][ C0] ? __lock_acquire+0x1ff0/0x1ff0 [ 179.963632][ C0] ? do_raw_spin_unlock+0x137/0x8b0 [ 179.963649][ C0] _raw_spin_unlock_irqrestore+0x75/0x130 [ 179.963664][ C0] ? _raw_spin_unlock+0x40/0x40 [ 179.963678][ C0] ? timerqueue_del+0xa8/0xf0 [ 179.963692][ C0] ? common_timer_wait_running+0x10/0x10 [ 179.963705][ C0] __hrtimer_run_queues+0x48c/0xcf0 [ 179.963723][ C0] ? hrtimer_interrupt+0x980/0x980 [ 179.963735][ C0] ? ktime_get_update_offsets_now+0x407/0x420 [ 179.963751][ C0] hrtimer_interrupt+0x392/0x980 [ 179.963770][ C0] __sysvec_apic_timer_interrupt+0x139/0x470 [ 179.963787][ C0] sysvec_apic_timer_interrupt+0x8c/0xb0 [ 179.963802][ C0] [ 179.963805][ C0] [ 179.963810][ C0] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 179.963824][ C0] RIP: 0010:_raw_spin_unlock_irq+0x25/0x40 [ 179.963839][ C0] Code: 51 67 f6 ff 90 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 4e ed 24 f7 48 89 df e8 26 41 26 f7 e8 f1 f4 48 f7 fb bf 01 00 00 00 06 87 19 f7 65 8b 05 87 89 c4 75 85 c0 74 02 5b c3 e8 54 a6 c2 [ 179.963849][ C0] RSP: 0018:ffffc90002f67bc0 EFLAGS: 00000282 [ 179.963859][ C0] RAX: 1b616a2c50bf5100 RBX: ffff88801f342e40 RCX: ffffffff96868f03 [ 179.963869][ C0] RDX: dffffc0000000000 RSI: ffffffff8a8b2b00 RDI: 0000000000000001 [ 179.963878][ C0] RBP: 0000000000000000 R08: ffffffff8186db50 R09: ffffed1003e685c9 [ 179.963887][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000021 [ 179.963895][ C0] R13: dffffc0000000000 R14: ffff88801f3432d8 R15: ffff88801f342e40 [ 179.963907][ C0] ? trace_hardirqs_on+0x30/0x80 [ 179.963923][ C0] get_signal+0x13ee/0x14e0 [ 179.963942][ C0] arch_do_signal_or_restart+0xc3/0x1890 [ 179.963957][ C0] ? __do_compat_sys_x32_rt_sigreturn+0x250/0x250 [ 179.963974][ C0] ? __might_fault+0xb4/0x110 [ 179.963989][ C0] ? _copy_from_user+0x10f/0x170 [ 179.964002][ C0] ? restore_altstack+0x274/0x400 [ 179.964017][ C0] ? get_sigframe_size+0x10/0x10 [ 179.964030][ C0] ? __ia32_sys_sigaltstack+0x60/0x60 [ 179.964047][ C0] ? __do_sys_rt_sigreturn+0x19d/0x250 [ 179.964067][ C0] ? exit_to_user_mode_loop+0x39/0x130 [ 179.964081][ C0] exit_to_user_mode_loop+0x97/0x130 [ 179.964094][ C0] exit_to_user_mode_prepare+0xb1/0x140 [ 179.964107][ C0] syscall_exit_to_user_mode+0x5d/0x240 [ 179.964122][ C0] do_syscall_64+0x47/0xb0 [ 179.964134][ C0] ? clear_bhb_loop+0x15/0x70 [ 179.964146][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 179.964160][ C0] RIP: 0033:0x7f7bdfd01a79 [ 179.964179][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 19 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 01 48 [ 179.964189][ C0] RSP: 002b:00007ffefd5f2c08 EFLAGS: 00000246 [ 179.964199][ C0] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007f7bdfd01a79 [ 179.964208][ C0] RDX: 000000002006b000 RSI: 0000000000000000 RDI: 0000000000000000 [ 179.964216][ C0] RBP: 0000000000000000 R08: 00007f7bdfcc1990 R09: 00007f7bdfcc1990 [ 179.964225][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7bdfd5f4fc [ 179.964233][ C0] R13: 00007f7bdfd59189 R14: 00007ffefd5f2c40 R15: 0000000000000000 [ 179.964247][ C0]