[LTP] [PATCH 2/2] Add test for CVE 2021-38198

Martin Doucha mdoucha@suse.cz
Thu Mar 17 12:55:52 CET 2022


On 17. 03. 22 8:35, Richard Palethorpe wrote:
> Martin Doucha <mdoucha@suse.cz> writes:
>> Yes, I've verified the reproducer on older SLE-12SP5 and SLE-15SP3
>> kernels. But none of them currently have the tdp_mmu sysfile so the test
>> had to use the Intel/AMD KVM module reload fallback.
> 
> I see, in that case I don't think it's important to check it.

It's still useful to test the reproducer on a known broken kernel with
TDP disabled via tdp_mmu sysfile instead of KVM module reload. That's
the control flow that'll be used on all future kernels so we should
check whether it really works.

-- 
Martin Doucha   mdoucha@suse.cz
QA Engineer for Software Maintenance
SUSE LINUX, s.r.o.
CORSO IIa
Krizikova 148/34
186 00 Prague 8
Czech Republic


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