【OLK-5.10】【syzkaller】Internal error in read_pmevcntrn

>Internal error: Oops - undefined instruction: 0 [#1] SMP
Modules linked in:
CPU: 1 PID: 15523 Comm: syz-executor.3 Not tainted 5.10.0 #6
Hardware name: linux,dummy-virt (DT)
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO BTYPE=--)
pc : read_pmevcntrn+0x1e4/0x1ec arch/arm64/kernel/perf_event.c:423
lr : read_pmevcntrn+0x1e4/0x1ec arch/arm64/kernel/perf_event.c:423
sp : ffffa000174d6ee0
x29: ffffa000174d6ee0 x28: ffffedbca6b17a40 
x27: ffffa000174d7310 x26: ffff4b3ec102e398 
x25: 00000000ffffffff x24: 00000000ffffffff 
x23: ffff4b3ed8afb000 x22: ffff4b3ed8afb160 
x21: ffff4b3ed8afb184 x20: ffffedbca46aa3e0 
x19: ffffedbca2a524bc x18: 0000000000000000 
x17: 0000000000000000 x16: 0000000000000000 
x15: 0000000020000100 x14: 0000000000000000 
x13: 0000000000000000 x12: ffff8967db15f63d 
x11: 1fffe967db15f63c x10: ffff8967db15f63c 
x9 : ffffedbca2a5273c x8 : ffff4b3ed8afb1e7 
x7 : 0000000000000001 x6 : ffff8967db15f63c 
x5 : ffff4b3f08b89400 x4 : 0000000000000000 
x3 : ffffedbca2a00000 x2 : ffffedbca4690000 
x1 : ffff4b3f08b89400 x0 : 0000000000000000 
Call trace:
 read_pmevcntrn+0x1e4/0x1ec arch/arm64/kernel/perf_event.c:423
 armv8pmu_read_evcntr arch/arm64/kernel/perf_event.c:467 [inline]
 armv8pmu_read_hw_counter arch/arm64/kernel/perf_event.c:475 [inline]
 armv8pmu_read_counter+0x10c/0x1f0 arch/arm64/kernel/perf_event.c:528
 armpmu_event_update+0x9c/0x1bc drivers/perf/arm_pmu.c:247
 armpmu_read+0x24/0x30 drivers/perf/arm_pmu.c:264
 perf_output_read_group+0x4cc/0x71c kernel/events/core.c:6806
 perf_output_read+0x78/0x1c4 kernel/events/core.c:6845
 perf_output_sample+0xafc/0x1000 kernel/events/core.c:6892
 __perf_event_output kernel/events/core.c:7273 [inline]
 perf_event_output_forward+0xd8/0x130 kernel/events/core.c:7287
 __perf_event_overflow+0xbc/0x20c kernel/events/core.c:8943
 perf_swevent_overflow kernel/events/core.c:9019 [inline]
 perf_swevent_event+0x274/0x2c0 kernel/events/core.c:9047
 do_perf_sw_event kernel/events/core.c:9160 [inline]
 ___perf_sw_event+0x150/0x1b4 kernel/events/core.c:9191
 __perf_sw_event+0x58/0x7c kernel/events/core.c:9203
 perf_sw_event include/linux/perf_event.h:1177 [inline]
 mm_account_fault mm/memory.c:4707 [inline]
 handle_mm_fault+0x364/0x3f0 mm/memory.c:4758
 __do_page_fault arch/arm64/mm/fault.c:438 [inline]
 do_page_fault+0x334/0x8f0 arch/arm64/mm/fault.c:537
 do_translation_fault+0x188/0x1e0 arch/arm64/mm/fault.c:619
 do_mem_abort+0x68/0x120 arch/arm64/mm/fault.c:743
 el1_abort+0xc0/0x150 arch/arm64/kernel/entry-common.c:119
 el1_sync_handler+0x118/0x150 arch/arm64/kernel/entry-common.c:202
 el1_sync+0x74/0x100 arch/arm64/kernel/entry.S:665
 __arch_clear_user+0x20/0xa0 arch/arm64/lib/clear_user.S:25
 read_iter_zero+0x90/0x16c drivers/char/mem.c:718
 call_read_iter include/linux/fs.h:1954 [inline]
 do_iter_readv_writev+0x394/0x414 fs/read_write.c:735
 do_iter_read+0x1b0/0x280 fs/read_write.c:798
 vfs_readv+0xf0/0x150 fs/read_write.c:918
 do_readv+0x108/0x270 fs/read_write.c:955
 __do_sys_readv fs/read_write.c:1046 [inline]
 __se_sys_readv fs/read_write.c:1043 [inline]
 __arm64_sys_readv+0x54/0x64 fs/read_write.c:1043
 __invoke_syscall arch/arm64/kernel/syscall.c:36 [inline]
 invoke_syscall arch/arm64/kernel/syscall.c:48 [inline]
 el0_svc_common.constprop.0+0xf4/0x414 arch/arm64/kernel/syscall.c:155
 do_el0_svc+0x50/0x11c arch/arm64/kernel/syscall.c:217
 el0_svc+0x20/0x30 arch/arm64/kernel/entry-common.c:353
 el0_sync_handler+0xe4/0x1e0 arch/arm64/kernel/entry-common.c:369
 el0_sync+0x148/0x180 arch/arm64/kernel/entry.S:683
Code: 940c387b d53be813 17ffff9c 940c3878 (d53bebd3) 
\---[ end trace 6aab9f4b33ebf0aa ]---
\----------------
Code disassembly (best guess):
   0:	940c387b 	bl	0x30e1ec
   4:	d53be813 	mrs	x19, pmevcntr0_el0
   8:	17ffff9c 	b	0xfffffffffffffe78
   c:	940c3878 	bl	0x30e1ec
\* 10:	d53bebd3 	mrs	x19, pmevcntr30_el0 <-- trapping instruction

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