Regenerate readme with new tweaks
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readme.md
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readme.md
@ -42,12 +42,10 @@ to dig into source code or read the [ASAN paper](https://static.googleuserconten
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We use a stack-allocated 16 byte array and test un/poisoning
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We use a stack-allocated 16 byte array and test un/poisoning
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various ranges of bytes from different alignments to clarify the
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various ranges of bytes from different alignments to clarify the
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poisoning behaviour of the API.
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poisoning behaviour of the API. This reveals that calling the API
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haphazardly, unaligned or straddling boundaries can lead to gaps in
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This reveals that calling the API haphazardly, unaligned or
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poisoned memory and hide potential leaks (as also demonstrated in
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straddling boundaries can lead to gaps in poisoned memory and hide
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[Manual ASAN poisoning and alignment](https://github.com/mcgov/asan_alignment_example)).
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potential leaks (as also demonstrated in [Manual ASAN poisoning and
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alignment](https://github.com/mcgov/asan_alignment_example)).
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## References
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## References
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@ -56,11 +54,12 @@ alignment](https://github.com/mcgov/asan_alignment_example)).
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- [sanitizer/asan_interface.h](https://github.com/llvm-mirror/compiler-rt/blob/master/include/sanitizer/asan_interface.h)
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- [sanitizer/asan_interface.h](https://github.com/llvm-mirror/compiler-rt/blob/master/include/sanitizer/asan_interface.h)
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## Raw Test Results
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## Raw Test Results
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Here we demonstrate that ASAN poison-ing will only poison the
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byte region if the region meets an 8 byte boundary. It will only
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Here we poison a sliding window of 7 bytes to demonstrate that ASAN
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poison bytes upto the 8 byte boundary, any bytes that straddle
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poisoning will only poison the byte region if the region meets an 8
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the boundary that do not hit the next 8 byte boundary are not
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byte aligned address. It will only poison bytes up to the boundary,
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poison-ed.
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any bytes that straddle the boundary that do not hit the next 8 byte
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boundary are not poisoned.
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```
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```
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Byte Array 00 01 02 03 04 05 06 07 | 08 09 10 11 12 13 14 15
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Byte Array 00 01 02 03 04 05 06 07 | 08 09 10 11 12 13 14 15
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