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Hyperscan MPM integration v6 #1965

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wants to merge 3 commits into from
Closed

Hyperscan MPM integration v6 #1965

wants to merge 3 commits into from
+2,526 −4

Commits on Mar 28, 2016

  1. util-hash-lookup3: Add hashlittle_safe() variant 

    By default, hashlittle() will read off the end of the key, up to the
next four-byte boundary, although the data beyond the end of the key
doesn't affect the hash. This read causes uninitialized read warnings
from Valgrind and Address Sanitizer.

Here we add hashlittle_safe(), which avoids reading off the end of the
buffer (using the code inside the VALGRIND-guarded block in the original
hashlittle() implementation).
    Justin Viiret committed Mar 28, 2016
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  2. mpm: pass offset, depth args to add functions 

    MpmAddPatternCI and MpmAddPatternCS had arguments for offset and depth,
but these were not being passed in by the caller.
    Justin Viiret committed Mar 28, 2016
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  3. mpm: add Hyperscan integration 

    This adds an MPM implementation that uses the Hyperscan regex engine
library from Intel, accessible as the "hs" mpm-algo.
    Justin Viiret committed Mar 28, 2016
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