The code can leave uninitialized holes in the array.
Fixes: use of uninitialized values
Fixes: 
70883/clusterfuzz-testcase-minimized-ffmpeg_dem_WTV_fuzzer-6698694567591936
Found-by: continuous fuzzing process 
https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>
---
 libavformat/wtvdec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavformat/wtvdec.c b/libavformat/wtvdec.c
index e153034aa19..1a6c4c33481 100644
--- a/libavformat/wtvdec.c
+++ b/libavformat/wtvdec.c
@@ -185,7 +185,7 @@ static AVIOContext * wtvfile_open_sector(unsigned 
first_sector, uint64_t length,
         int nb_sectors1 = read_ints(s->pb, sectors1, WTV_SECTOR_SIZE / 4);
         int i;
 
-        wf->sectors = av_malloc_array(nb_sectors1, 1 << WTV_SECTOR_BITS);
+        wf->sectors = av_calloc(nb_sectors1, 1 << WTV_SECTOR_BITS);
         if (!wf->sectors) {
             av_free(wf);
             return NULL;
-- 
2.45.2

_______________________________________________
ffmpeg-devel mailing list
ffmpeg-devel@ffmpeg.org
https://ffmpeg.org/mailman/listinfo/ffmpeg-devel

To unsubscribe, visit link above, or email
ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".

Reply via email to