Warning: Permanently added '10.128.1.183' (ED25519) to the list of known hosts.
executing program
executing program
syzkaller login: [ 158.202783][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 158.209853][ C0] (detected by 0, t=10502 jiffies, g=4821, q=177)
[ 158.216436][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294952963-4294942461), jiffies_till_next_fqs=1, root ->qsmask 0x0
[ 158.229859][ C0] rcu: rcu_preempt kthread starved for 10502 jiffies! g4821 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
[ 158.240974][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 158.250950][ C0] rcu: RCU grace-period kthread stack dump:
[ 158.256849][ C0] task:rcu_preempt state:R running task stack:27064 pid: 15 ppid: 2 flags:0x00004000
[ 158.267669][ C0] Call Trace:
[ 158.270954][ C0]
[ 158.273898][ C0] __schedule+0x12c4/0x45b0
[ 158.278449][ C0] ? _raw_spin_unlock_irqrestore+0x8b/0x130
[ 158.284361][ C0] ? _raw_spin_unlock_irqrestore+0xd9/0x130
[ 158.290281][ C0] ? __mod_timer+0xa8e/0xeb0
[ 158.294893][ C0] ? release_firmware_map_entry+0x190/0x190
[ 158.300803][ C0] ? mod_timer_pending+0x20/0x20
[ 158.305767][ C0] ? lockdep_softirqs_off+0x420/0x420
[ 158.311165][ C0] schedule+0x11b/0x1f0
[ 158.315345][ C0] schedule_timeout+0x1b9/0x300
[ 158.320210][ C0] ? console_conditional_schedule+0x40/0x40
[ 158.326120][ C0] ? update_process_times+0x200/0x200
[ 158.331515][ C0] ? prepare_to_swait_event+0x321/0x340
[ 158.337077][ C0] rcu_gp_fqs_loop+0x2bf/0x1080
[ 158.341941][ C0] ? _raw_spin_unlock_irq+0x1f/0x40
[ 158.347241][ C0] ? lockdep_hardirqs_on+0x94/0x130
[ 158.352453][ C0] ? rcu_gp_init+0xdae/0x1140
[ 158.357145][ C0] ? rcu_gp_init+0x1140/0x1140
[ 158.361940][ C0] ? finish_swait+0xc5/0x1d0
[ 158.366546][ C0] rcu_gp_kthread+0xa4/0x360
[ 158.371192][ C0] ? _raw_spin_unlock+0x40/0x40
[ 158.376063][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 158.381191][ C0] ? _raw_spin_unlock_irqrestore+0xd9/0x130
[ 158.387120][ C0] ? __kthread_parkme+0x15c/0x1c0
[ 158.392160][ C0] kthread+0x3f6/0x4f0
[ 158.396246][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 158.401371][ C0] ? kthread_blkcg+0xd0/0xd0
[ 158.405973][ C0] ret_from_fork+0x1f/0x30
[ 158.410417][ C0]
[ 158.413462][ C0] rcu: Stack dump where RCU GP kthread last ran:
[ 158.419785][ C0] NMI backtrace for cpu 0
[ 158.424147][ C0] CPU: 0 PID: 4189 Comm: syz-executor706 Not tainted 5.15.178-syzkaller #0
[ 158.432739][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[ 158.442802][ C0] Call Trace:
[ 158.446090][ C0]
[ 158.448942][ C0] dump_stack_lvl+0x1e3/0x2d0
[ 158.453639][ C0] ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[ 158.459370][ C0] ? panic+0x860/0x860
[ 158.463469][ C0] nmi_cpu_backtrace+0x46a/0x4a0
[ 158.468420][ C0] ? __wake_up_klogd+0xd5/0x100
[ 158.473290][ C0] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0
[ 158.479456][ C0] ? _printk+0xd1/0x120
[ 158.483631][ C0] ? cpu_online+0x1f/0x40
[ 158.487976][ C0] ? panic+0x860/0x860
[ 158.492062][ C0] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 158.498144][ C0] nmi_trigger_cpumask_backtrace+0x181/0x2a0
[ 158.504149][ C0] rcu_check_gp_kthread_starvation+0x1d2/0x240
[ 158.510330][ C0] print_other_cpu_stall+0x137a/0x14d0
[ 158.515834][ C0] ? print_cpu_stall+0x600/0x600
[ 158.520798][ C0] ? do_raw_spin_unlock+0x137/0x8b0
[ 158.526025][ C0] rcu_sched_clock_irq+0xa38/0x1150
[ 158.531266][ C0] ? rcutree_dead_cpu+0x20/0x20
[ 158.536132][ C0] ? hrtimer_run_queues+0x163/0x450
[ 158.541352][ C0] ? account_process_tick+0x232/0x3a0
[ 158.546867][ C0] update_process_times+0x196/0x200
[ 158.552088][ C0] tick_sched_timer+0x386/0x550
[ 158.556960][ C0] ? tick_setup_sched_timer+0x2d0/0x2d0
[ 158.562527][ C0] __hrtimer_run_queues+0x55b/0xcf0
[ 158.567760][ C0] ? hrtimer_interrupt+0x980/0x980
[ 158.572888][ C0] ? ktime_get_update_offsets_now+0x407/0x420
[ 158.578976][ C0] hrtimer_interrupt+0x392/0x980
[ 158.583950][ C0] __sysvec_apic_timer_interrupt+0x13b/0x4b0
[ 158.589952][ C0] sysvec_apic_timer_interrupt+0x9b/0xc0
[ 158.595606][ C0]
[ 158.598541][ C0]
[ 158.601477][ C0] asm_sysvec_apic_timer_interrupt+0x16/0x20
[ 158.607474][ C0] RIP: 0010:lock_acquire+0x252/0x4f0
[ 158.612770][ C0] Code: 2b 00 74 08 4c 89 f7 e8 9c 9e 67 00 f6 44 24 61 02 0f 85 84 01 00 00 41 f7 c7 00 02 00 00 74 01 fb 48 c7 44 24 40 0e 36 e0 45 <4b> c7 44 25 00 00 00 00 00 43 c7 44 25 09 00 00 00 00 43 c7 44 25
[ 158.632390][ C0] RSP: 0018:ffffc90002f2f900 EFLAGS: 00000206
[ 158.638472][ C0] RAX: 0000000000000001 RBX: 1ffff920005e5f2c RCX: ffffffff816389a2
[ 158.646454][ C0] RDX: dffffc0000000000 RSI: ffffffff8aab3e20 RDI: ffffffff8af9f2c0
[ 158.654437][ C0] RBP: ffffc90002f2fa58 R08: dffffc0000000000 R09: fffffbfff2131827
[ 158.662417][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff920005e5f28
[ 158.670396][ C0] R13: dffffc0000000000 R14: ffffc90002f2f960 R15: 0000000000000246
[ 158.678389][ C0] ? validate_chain+0x112/0x5930
[ 158.683365][ C0] ? read_lock_is_recursive+0x10/0x10
[ 158.688750][ C0] ? __might_sleep+0xc0/0xc0
[ 158.693366][ C0] ? __lock_acquire+0x1295/0x1ff0
[ 158.698425][ C0] __might_fault+0xb4/0x110
[ 158.702945][ C0] ? __might_fault+0x91/0x110
[ 158.707638][ C0] fpu__restore_sig+0x1db/0x1100
[ 158.712590][ C0] ? copy_fpstate_to_sigframe+0xb40/0xb40
[ 158.718342][ C0] ? __might_fault+0xb4/0x110
[ 158.723047][ C0] restore_sigcontext+0x638/0x710
[ 158.728089][ C0] ? __do_compat_sys_x32_rt_sigreturn+0x250/0x250
[ 158.734543][ C0] ? set_current_blocked+0x40/0x40
[ 158.739673][ C0] ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[ 158.745668][ C0] __do_sys_rt_sigreturn+0x190/0x250
[ 158.751001][ C0] ? x32_copy_siginfo_to_user+0x270/0x270
[ 158.756740][ C0] ? syscall_enter_from_user_mode+0x2e/0x240
[ 158.762741][ C0] ? lockdep_hardirqs_on+0x94/0x130
[ 158.767956][ C0] ? syscall_enter_from_user_mode+0x2e/0x240
[ 158.773950][ C0] do_syscall_64+0x3b/0xb0
[ 158.778379][ C0] ? clear_bhb_loop+0x15/0x70
[ 158.783074][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 158.788984][ C0] RIP: 0033:0x7f8a7aa48019
[ 158.793431][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 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
[ 158.813058][ C0] RSP: 002b:00007ffcd54e1898 EFLAGS: 00000246
[ 158.819138][ C0] RAX: 0000000000000000 RBX: 00007ffcd54e18d0 RCX: 00007f8a7aa48019
[ 158.827122][ C0] RDX: 000040000006b000 RSI: 0000000000000000 RDI: 0000000000000000
[ 158.835100][ C0] RBP: 0000000000000000 R08: 00007ffcd54e18d0 R09: 00007ffcd54e18d0
[ 158.843080][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8a7aace488
[ 158.851063][ C0] R13: 00007ffcd54e18bc R14: 0000000000000000 R15: 431bde82d7b634db
[ 158.859065][ C0]