avcodec/utils: Add case for jv to avcodec_align_dimensions2()

Fixes out of array accesses
Fixes: asan_heap-oob_12304aa_8_asan_heap-oob_4da4f3_300_intro.jv

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 105654e376a736d243aef4a1d121abebce912e6b)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

diff --git a/libavcodec/utils.c b/libavcodec/utils.c
index 8b50c45..46c0745 100644 (file)
--- a/libavcodec/utils.c
+++ b/libavcodec/utils.c
@@ -358,6 +358,10 @@ void avcodec_align_dimensions2(AVCodecContext *s, int *width, int *height,
             w_align = 4;
             h_align = 4;
         }
+        if (s->codec_id == AV_CODEC_ID_JV) {
+            w_align = 8;
+            h_align = 8;
+        }
         break;
     case AV_PIX_FMT_BGR24:
         if ((s->codec_id == AV_CODEC_ID_MSZH) ||