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TITLE: INFO: rcu detected stall in kvm_vm_compat_ioctl
TYPE: HANG
[ 393.750282] INFO: rcu_sched self-detected stall on CPU
[ 393.755773] 1: (104999 ticks this GP) idle=235/140000000000001/0 softirq=67058/67058 fqs=202
[ 393.764498] (t=105000 jiffies g=29066 c=29065 q=1109)
[ 393.769976] rcu_sched kthread starved for 104281 jiffies! g29066 c29065 f0x0 s3 ->state=0x0
[ 393.778490] Task dump for CPU 1:
[ 393.781838] syz-executor5 R running task on cpu 1 0 16797 3934 0x30020008 288748335923
[ 393.791005] 0000000000000f5e 000000009e46eea7 ffff8801dab07bc0 ffffffff8170cafa
[ 393.799139] ffff8801dab1f8c0 0000000000000001 dffffc0000000000 ffffffff83fd1880
[ 393.807174] ffffffff83fd18f4 ffff8801dab07bd0 ffffffff8170d27f ffff8801dab07bf0
[ 393.815239] Call Trace:
[ 393.817802] <IRQ> [<ffffffff8170cafa>] _sched_show_task+0x31a/0x325
[ 393.824517] [<ffffffff8170d27f>] sched_show_task+0x10/0x12
[ 393.830211] [<ffffffff8170d424>] dump_cpu_task+0x7e/0x83
[ 393.835736] [<ffffffff8171694f>] rcu_dump_cpu_stacks+0x155/0x169
[ 393.841950] [<ffffffff81717294>] rcu_check_callbacks.cold.75+0x61e/0xc77
[ 393.854649] [<ffffffff81512ccf>] update_process_times+0x3f/0x70
[ 393.860782] [<ffffffff8153c1ca>] tick_sched_handle.isra.16+0x5a/0x100
[ 393.867430] [<ffffffff8153c87a>] tick_sched_timer+0x7a/0x130
[ 393.873296] [<ffffffff81515e05>] __hrtimer_run_queues+0x3a5/0xc50
[ 393.911466] [<ffffffff8151702e>] hrtimer_interrupt+0x18e/0x400
[ 393.917506] [<ffffffff812af344>] local_apic_timer_interrupt+0x74/0x90
[ 393.924153] [<ffffffff81012fba>] smp_trace_apic_timer_interrupt+0x13a/0x4bd
[ 393.931325] [<ffffffff81011d42>] smp_trace_apic_timer_interrupt_entry_after_kaiser_bti+0x20/0x2e
[ 393.940311] <EOI> [<ffffffff814f00eb>] ? debug_lockdep_rcu_enabled+0x3b/0x90
[ 394.076457] [<ffffffff81085d5c>] kvm_vm_compat_ioctl+0x13c/0x250
[ 394.106616] [<ffffffff819d8ee0>] compat_SyS_ioctl+0x650/0x2180
[ 394.178750] [<ffffffff830a99b0>] sysenter_dispatch+0xf/0x32
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