From: Michael Niedermayer <[email protected]> Prevent potential integer overflow.
Signed-off-by: Luca Barbato <[email protected]> --- libavcodec/jpeg2000dec.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavcodec/jpeg2000dec.c b/libavcodec/jpeg2000dec.c index 43d0f27..8319642 100644 --- a/libavcodec/jpeg2000dec.c +++ b/libavcodec/jpeg2000dec.c @@ -72,7 +72,7 @@ typedef struct Jpeg2000DecoderContext { int precision; int ncomponents; int tile_width, tile_height; - int numXtiles, numYtiles; + unsigned numXtiles, numYtiles; int maxtilelen; Jpeg2000CodingStyle codsty[4]; @@ -206,7 +206,7 @@ static int get_siz(Jpeg2000DecoderContext *s) s->numXtiles = ff_jpeg2000_ceildiv(s->width - s->tile_offset_x, s->tile_width); s->numYtiles = ff_jpeg2000_ceildiv(s->height - s->tile_offset_y, s->tile_height); - s->tile = av_mallocz(s->numXtiles * s->numYtiles * sizeof(*s->tile)); + s->tile = av_mallocz_array(s->numXtiles * s->numYtiles, sizeof(*s->tile)); if (!s->tile) return AVERROR(ENOMEM); -- 1.8.2.1 _______________________________________________ libav-devel mailing list [email protected] https://lists.libav.org/mailman/listinfo/libav-devel
