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fix(FwPartitionDeviceLib): fix GPT overlap check - #164

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fix(FwPartitionDeviceLib): fix GPT overlap check#164
bobm21 wants to merge 1 commit into
uefi-202608.0-updatesfrom
dev/bobm/capsule-update-gpt-overlap-fix

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@bobm21

@bobm21 bobm21 commented Aug 26, 2026

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NS instances that proxy writes through MM use
an offset of zero for every partition. The GPT
overlap validation can therefore reject valid
inactive partition updates.

Always derive candidate bounds from the GPT.
Perform overlap checks and offset updates only on
the side that owns the GPT.

NS instances that proxy writes through MM use
an offset of zero for every partition. The GPT
overlap validation can therefore reject valid
inactive partition updates.

Always derive candidate bounds from the GPT.
Perform overlap checks and offset updates only on
the side that owns the GPT.

Signed-off-by: Bob Morgan <bobm@nvidia.com>
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