Warning: Permanently added '10.128.0.216' (ED25519) to the list of known hosts.
executing program
executing program
executing program
syzkaller login: [ 188.562348][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 188.569515][ C1] (detected by 1, t=10502 jiffies, g=8297, q=71 ncpus=2)
[ 188.576666][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294955965-4294945462), jiffies_till_next_fqs=1, root ->qsmask 0x0
[ 188.590188][ C1] rcu: rcu_preempt kthread starved for 10504 jiffies! g8297 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
[ 188.601350][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 188.611448][ C1] rcu: RCU grace-period kthread stack dump:
[ 188.617386][ C1] task:rcu_preempt state:R running task stack:27760 pid:16 ppid:2 flags:0x00004000
[ 188.628340][ C1] Call Trace:
[ 188.631680][ C1]
[ 188.634749][ C1] __schedule+0x11d1/0x40e0
[ 188.639339][ C1] ? _raw_spin_unlock_irqrestore+0x82/0x120
[ 188.645300][ C1] ? _raw_spin_unlock_irqrestore+0xc1/0x120
[ 188.651260][ C1] ? __sched_text_start+0x8/0x8
[ 188.656161][ C1] ? __mod_timer+0x91e/0xd00
[ 188.660805][ C1] schedule+0xb9/0x180
[ 188.664961][ C1] schedule_timeout+0x184/0x2d0
[ 188.669863][ C1] ? console_conditional_schedule+0x40/0x40
[ 188.675813][ C1] ? lockdep_hardirqs_on_prepare+0x409/0x770
[ 188.681892][ C1] ? update_process_times+0x1b0/0x1b0
[ 188.687326][ C1] ? prepare_to_swait_event+0x335/0x350
[ 188.692934][ C1] rcu_gp_fqs_loop+0x303/0x1340
[ 188.697865][ C1] ? rcu_gp_kthread+0x3b0/0x3b0
[ 188.702767][ C1] ? lockdep_hardirqs_on_prepare+0x409/0x770
[ 188.708890][ C1] ? rcu_gp_init+0x14e0/0x14e0
[ 188.713749][ C1] ? rcu_gp_cleanup+0xb41/0xc90
[ 188.718661][ C1] ? _raw_spin_unlock_irq+0x1f/0x40
[ 188.723915][ C1] ? lockdep_hardirqs_on+0x94/0x140
[ 188.729168][ C1] rcu_gp_kthread+0x99/0x3b0
[ 188.733829][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 188.739013][ C1] ? _raw_spin_unlock_irqrestore+0xc1/0x120
[ 188.744971][ C1] ? __kthread_parkme+0x162/0x1c0
[ 188.750058][ C1] kthread+0x29d/0x330
[ 188.754175][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 188.759333][ C1] ? kthread_blkcg+0xd0/0xd0
[ 188.763979][ C1] ret_from_fork+0x1f/0x30
[ 188.768471][ C1]
[ 188.771548][ C1] rcu: Stack dump where RCU GP kthread last ran:
[ 188.778007][ C1] Sending NMI from CPU 1 to CPUs 0:
[ 188.783279][ C0] NMI backtrace for cpu 0
[ 188.783300][ C0] CPU: 0 PID: 4286 Comm: syz-executor283 Not tainted syzkaller #0
[ 188.783316][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 188.783325][ C0] RIP: 0010:native_apic_msr_write+0x35/0x50
[ 188.783352][ C0] Code: 74 2a 83 ff 30 74 25 eb 10 81 ff d0 00 00 00 74 1b 81 ff e0 00 00 00 74 13 c1 ef 04 81 c7 00 08 00 00 89 f9 89 f0 31 d2 0f 30 <66> 90 c3 89 f6 31 d2 e9 5f c7 01 03 66 2e 0f 1f 84 00 00 00 00 00
[ 188.783365][ C0] RSP: 0018:ffffc90000007e38 EFLAGS: 00000046
[ 188.783379][ C0] RAX: 0000000000089f52 RBX: 0000000000089f52 RCX: 0000000000000838
[ 188.783390][ C0] RDX: 0000000000000000 RSI: 0000000000089f52 RDI: 0000000000000838
[ 188.783400][ C0] RBP: 0000000000000000 R08: ffffffff8e2029ef R09: 1ffffffff1c4053d
[ 188.783411][ C0] R10: dffffc0000000000 R11: fffffbfff1c4053e R12: dffffc0000000000
[ 188.783423][ C0] R13: 0000000010005a98 R14: ffffffff8c658b40 R15: dffffc0000000000
[ 188.783435][ C0] FS: 00007ff575a5b6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
[ 188.783450][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 188.783461][ C0] CR2: 0000200000000058 CR3: 000000001da54000 CR4: 00000000003506f0
[ 188.783475][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 188.783484][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 188.783494][ C0] Call Trace:
[ 188.783501][ C0]
[ 188.783505][ C0] lapic_next_event+0x5b/0x70
[ 188.783531][ C0] clockevents_program_event+0x1bc/0x310
[ 188.783556][ C0] hrtimer_interrupt+0x59d/0x9c0
[ 188.783586][ C0] __sysvec_apic_timer_interrupt+0x153/0x5a0
[ 188.783613][ C0] sysvec_apic_timer_interrupt+0x9b/0xc0
[ 188.783635][ C0]
[ 188.783640][ C0]
[ 188.783645][ C0] asm_sysvec_apic_timer_interrupt+0x16/0x20
[ 188.783672][ C0] RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x0/0x80
[ 188.783693][ C0] Code: 28 4d 39 ca 77 22 89 ff 89 f6 49 ff c0 4c 89 01 48 c7 44 11 08 03 00 00 00 48 89 7c 11 10 48 89 74 11 18 48 89 44 11 20 c3 90 <48> 8b 04 24 65 48 8b 15 34 f0 7f 7e 65 8b 0d 35 f0 7f 7e 81 e1 00
[ 188.783706][ C0] RSP: 0018:ffffc90003de7a98 EFLAGS: 00000246
[ 188.783718][ C0] RAX: ffffffff812fc538 RBX: ffff88802ff60000 RCX: ffff88802ff60000
[ 188.783731][ C0] RDX: 0000000000000000 RSI: 0000000000000344 RDI: 0000000000000000
[ 188.783740][ C0] RBP: ffffc90003de7c90 R08: ffffc90003de7d80 R09: 1ffffffff1c4053d
[ 188.783752][ C0] R10: dffffc0000000000 R11: fffffbfff1c4053e R12: dffffc0000000000
[ 188.783764][ C0] R13: ffff88802ff61950 R14: 0000000000000344 R15: 0000000000000344
[ 188.783778][ C0] ? copy_fpstate_to_sigframe+0x148/0xd50
[ 188.783799][ C0] ? __might_fault+0xa6/0x120
[ 188.783816][ C0] copy_fpstate_to_sigframe+0x155/0xd50
[ 188.783836][ C0] ? lock_chain_count+0x20/0x20
[ 188.783867][ C0] ? posixtimer_rearm+0x131/0x340
[ 188.783894][ C0] ? fpregs_set+0x5f0/0x5f0
[ 188.783909][ C0] ? rcu_is_watching+0x11/0xa0
[ 188.783934][ C0] ? __rseq_handle_notify_resume+0x3a9/0x11f0
[ 188.783957][ C0] ? __bpf_trace_rseq_ip_fixup+0x40/0x40
[ 188.783975][ C0] ? lockdep_hardirqs_on_prepare+0x409/0x770
[ 188.784000][ C0] ? lock_chain_count+0x20/0x20
[ 188.784025][ C0] ? arch_do_signal_or_restart+0x23e/0x1350
[ 188.784046][ C0] ? fpu__alloc_mathframe+0xa3/0x120
[ 188.784064][ C0] arch_do_signal_or_restart+0x69f/0x1350
[ 188.784089][ C0] ? __ia32_sys_rt_sigreturn+0x619/0x760
[ 188.784113][ C0] ? load_gs_index+0x130/0x130
[ 188.784132][ C0] ? get_sigframe_size+0x10/0x10
[ 188.784168][ C0] ? exit_to_user_mode_loop+0x3b/0x110
[ 188.784195][ C0] exit_to_user_mode_loop+0x70/0x110
[ 188.784221][ C0] exit_to_user_mode_prepare+0xee/0x180
[ 188.784246][ C0] syscall_exit_to_user_mode+0x16/0x40
[ 188.784268][ C0] do_syscall_64+0x58/0xa0
[ 188.784283][ C0] ? clear_bhb_loop+0x60/0xb0
[ 188.784307][ C0] ? clear_bhb_loop+0x60/0xb0
[ 188.784333][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 188.784357][ C0] RIP: 0033:0x7ff575a7c517
[ 188.784376][ C0] Code: 00 85 c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 0f 1f 44 00 00 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 d0 ff ff ff f7 d8 64 89
[ 188.784388][ C0] RSP: 002b:00007ff575a5b178 EFLAGS: 00000246
[ 188.784400][ C0] RAX: 00000000000000ca RBX: 00007ff575b2bb28 RCX: 00007ff575a7c519
[ 188.784411][ C0] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007ff575b2bb28
[ 188.784421][ C0] RBP: 00007ff575b2bb20 R08: 00007ff575a5bcdc R09: 00007ff575a5bcdc
[ 188.784432][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff575b2bb2c
[ 188.784442][ C0] R13: 0000000000000000 R14: 00007ffe38410610 R15: 00007ffe384106f8
[ 188.784460][ C0]
[ 188.784466][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.197 msecs