From: Sean Christopherson <seanjc@google.com>
To: "Jörg Rödel" <joro@8bytes.org>
Cc: sashiko-reviews@lists.linux.dev, kvm@vger.kernel.org
Subject: Re: [PATCH 2/4] kvm: sev: Unmap pages in correct order in sev_gmem_post_populate()
Date: Tue, 23 Jun 2026 05:56:53 -0700 [thread overview]
Message-ID: <ajqClZ3kHfDcCxUe@google.com> (raw)
In-Reply-To: <ajpSF6HyhgBA3uV3@8bytes.org>
On Tue, Jun 23, 2026, Jörg Rödel wrote:
> On Tue, Jun 23, 2026 at 09:24:16AM +0000, sashiko-bot@kernel.org wrote:
> > Should this second instance be updated to reverse the unmap order as well to
> > prevent kmap stack corruption?
>
> Yes, it should. Updated for v2.
Already fixed, commit 138f5f9cbe37 ("KVM: SEV: Unmap local kmaps in LIFO order,
per highmem requirements").
next prev parent reply other threads:[~2026-06-23 12:57 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-23 9:15 [PATCH 0/4] kvm: sev: Fix issues reported by Sashiko Jörg Rödel
2026-06-23 9:15 ` [PATCH 1/4] kvm: sev: Fix user-space triggerable WARN_ON on snp_launch_update path Jörg Rödel
2026-06-23 9:32 ` sashiko-bot
2026-06-23 9:15 ` [PATCH 2/4] kvm: sev: Unmap pages in correct order in sev_gmem_post_populate() Jörg Rödel
2026-06-23 9:24 ` sashiko-bot
2026-06-23 9:30 ` Jörg Rödel
2026-06-23 12:56 ` Sean Christopherson [this message]
2026-06-23 9:15 ` [PATCH 3/4] KVM: guest_memfd: Add `write` parameter to kvm_gmem_populate() Jörg Rödel
2026-06-23 9:32 ` sashiko-bot
2026-06-23 12:57 ` Sean Christopherson
2026-06-23 9:15 ` [PATCH 4/4] kvm: sev: Acquire a writeable page reference for CPUID pages Jörg Rödel
2026-06-23 9:33 ` sashiko-bot
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