From: Sean Christopherson <seanjc@google.com>
To: Sean Christopherson <seanjc@google.com>,
Paolo Bonzini <pbonzini@redhat.com>, Gokul K <gokul02k@gmail.com>
Cc: Shuah Khan <shuah@kernel.org>,
kvm@vger.kernel.org, linux-kselftest@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] KVM: selftests: Fix the bounds of the SEV debug dst buffer check
Date: Mon, 21 Sep 2026 07:05:30 -0700 [thread overview]
Message-ID: <178999927506.754839.13676560116435386306.b4-ty@google.com> (raw)
In-Reply-To: <20260808061934.400892-1-gokul02k@gmail.com>
On Sat, 08 Aug 2026 11:49:34 +0530, Gokul K wrote:
> validate_dst() is passed a starting offset and a byte count, but bounds
> its loop with "i < nr_bytes", comparing the offset against the count
> rather than against offset + nr_bytes. Only calls that pass offset 0
> check the region they were asked to check. Every other call checks too
> few bytes, and any call whose offset is >= the count returns without
> checking anything at all.
>
> [...]
Applied to kvm-x86 selftests, thanks!
[1/1] KVM: selftests: Fix the bounds of the SEV debug dst buffer check
https://github.com/kvm-x86/linux/commit/622a09f6deb5
--
https://github.com/kvm-x86/linux/tree/next
prev parent reply other threads:[~2026-09-21 14:07 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-08 6:19 Gokul K
2026-08-21 5:38 ` Gokul K
2026-08-21 12:27 ` Sean Christopherson
2026-09-21 14:05 ` Sean Christopherson [this message]
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