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Merge pull request #1422 from nh2/fix-potential-hash-comparison-crash

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Fix potential crash/wrong result two hashes of unequal length are compared
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Eelco Dolstra 2017-07-10 18:09:49 +02:00 committed by GitHub
commit 9c00fa4179
1 changed files with 2 additions and 0 deletions
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2
src/libutil/hash.cc
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@ -45,6 +45,8 @@ bool Hash::operator != (const Hash & h2) const
bool Hash::operator < (const Hash & h) const
{
if (hashSize < h.hashSize) return true;
if (hashSize > h.hashSize) return false;
for (unsigned int i = 0; i < hashSize; i++) {
if (hash[i] < h.hash[i]) return true;
if (hash[i] > h.hash[i]) return false;