946067bfb074962667bd61fafffd0e777242e12b
The bug can be triggered when alignment of Base is larger than Length by 2 level of page granularity, e.g. Base is 0x4000_0000, Length is 0x1000 The original code will change 2MB page level and we will get a negative remaining length. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Heyi Guo <heyi.guo@linaro.org> Cc: Leif Lindholm <leif.lindholm@linaro.org> Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18422 6f19259b-4bc3-4df7-8a09-765794883524
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