swr/ build_filter: use av_calloc() fix buffer overflow

Fixes integer & buffer overflow

Michael Niedermayer committed 13 years ago

Commit f9abeec1 parent 167af701 file · +1 −1Browse files

Showing the changes to libswresample (1 of 1 file). Show all

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@@ -235,7 +235,7 @@ static ResampleContext resample_init(ResampleContext c, int out_rate, int in_r · 234 unmodified lines
235	235	c->factor = factor;
236	236	c->filter_length = FFMAX((int)ceil(filter_size/factor), 1);
237	237	c->filter_alloc = FFALIGN(c->filter_length, 8);
238		− c->filter_bank = av_mallocz(c->filter_alloc(phase_count+1)c->felem_size);
	238	+ c->filter_bank = av_calloc(c->filter_alloc, (phase_count+1)*c->felem_size);
239	239	c->filter_type = filter_type;
240	240	c->kaiser_beta = kaiser_beta;
241	241	if (!c->filter_bank)

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