jpeg2000: Fix unintended sign extension in malloc arguments of prec
authorMichael Niedermayer <michaelni@gmx.at>
Mon, 3 Jun 2013 12:30:09 +0000 (14:30 +0200)
committerMichael Niedermayer <michaelni@gmx.at>
Mon, 3 Jun 2013 12:59:40 +0000 (14:59 +0200)
Fixes: CID1026772/3
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
libavcodec/jpeg2000.c

index c98b925..14f36c4 100644 (file)
@@ -364,7 +364,7 @@ int ff_jpeg2000_init_component(Jpeg2000Component *comp,
                 band->coord[1][j] = ff_jpeg2000_ceildiv(band->coord[1][j], dy);
 
             band->prec = av_malloc_array(reslevel->num_precincts_x *
-                                         reslevel->num_precincts_y,
+                                         (uint64_t)reslevel->num_precincts_y,
                                          sizeof(*band->prec));
             if (!band->prec)
                 return AVERROR(ENOMEM);