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pvfdec: prevent overflow during block alignment calculation
Reviewed-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
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@ -19,6 +19,7 @@
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "libavcodec/internal.h"
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#include "avformat.h"
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#include "internal.h"
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#include "pcm.h"
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@ -44,7 +45,8 @@ static int pvf_read_header(AVFormatContext *s)
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&bps) != 3)
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return AVERROR_INVALIDDATA;
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if (channels <= 0 || bps <= 0 || sample_rate <= 0)
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if (channels <= 0 || channels > FF_SANE_NB_CHANNELS ||
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bps <= 0 || bps > INT_MAX / FF_SANE_NB_CHANNELS || sample_rate <= 0)
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return AVERROR_INVALIDDATA;
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st = avformat_new_stream(s, NULL);
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