Merge pull request #3918 from micmn/feature/averaged-perceptron-unini…

…tialized-read Fix uninitialized memory read in AveragedPerceptron
shogun-toolbox · Jul 9, 2017 · 5e5ebb0 · 5e5ebb0
2 parents 6a11ab2 + 7bcbc5f
commit 5e5ebb0
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/shogun/classifier/AveragedPerceptron.cpp b/src/shogun/classifier/AveragedPerceptron.cpp
@@ -52,6 +52,7 @@ bool CAveragedPerceptron::train_machine(CFeatures* data)
 	ASSERT(num_vec==train_labels.vlen)
 	SGVector<float64_t> w(num_feat);
 	float64_t* tmp_w=SG_MALLOC(float64_t, num_feat);
+	memset(tmp_w, 0, sizeof(float64_t)*num_feat);
 	float64_t* output=SG_MALLOC(float64_t, num_vec);
 
 	//start with uniform w, bias=0, tmp_bias=0