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[Qemu-devel] Re: [PATCH v2] savevm: fix corruption in vmstate_subsection


From: Paolo Bonzini
Subject: [Qemu-devel] Re: [PATCH v2] savevm: fix corruption in vmstate_subsection_load().
Date: Mon, 24 Jan 2011 16:35:12 +0100
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On 01/24/2011 10:30 AM, Yoshiaki Tamura wrote:
Although it's rare to happen in live migration, when the head of a
byte stream contains 0x05 which is the marker of subsection, the
loader gets corrupted because vmstate_subsection_load() continues even
the device doesn't require it.  This patch adds a checker whether
subsection is needed, and skips following routines if not needed.

Signed-off-by: Yoshiaki Tamura<address@hidden>

VMS_STRUCT is a can of worms, since almost all uses of subsections _are_ VMS_STRUCTs. So almost all uses of subsections have ambiguous parsing. :/

So, for now,

Acked-by: Paolo Bonzini <address@hidden>

Paolo



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