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improve malloc canaries to work around size class rounding #169

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thestinger opened this Issue Feb 6, 2016 · 1 comment

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thestinger commented Feb 6, 2016

The last byte of the allocation can be used as the index to the start of the canary from the end of the allocation.

@thestinger thestinger added Type: enhancement Component: hardened malloc upstream labels Feb 6, 2016

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thestinger Oct 15, 2016

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This is being dealt with upstream. Some changes will probably need to be made to maintain the other desired properties in CopperheadOS.
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thestinger commented Oct 15, 2016

This is being dealt with upstream. Some changes will probably need to be made to maintain the other desired properties in CopperheadOS.

@thestinger thestinger closed this Oct 15, 2016

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