[FFmpeg-devel] [PATCH 2/6] electronicarts: prevent overflow during block alignment, calculation

Andreas Cadhalpun andreas.cadhalpun at googlemail.com
Thu Dec 15 03:18:37 EET 2016


Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun at googlemail.com>
---
 libavformat/electronicarts.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavformat/electronicarts.c b/libavformat/electronicarts.c
index 30eb723..35a7363 100644
--- a/libavformat/electronicarts.c
+++ b/libavformat/electronicarts.c
@@ -539,7 +539,7 @@ static int ea_read_header(AVFormatContext *s)
             ea->audio_codec = 0;
             return 1;
         }
-        if (ea->bytes <= 0) {
+        if (ea->bytes <= 0 || ea->bytes > INT_MAX / 8 / 2) {
             av_log(s, AV_LOG_ERROR,
                    "Invalid number of bytes per sample: %d\n", ea->bytes);
             ea->audio_codec = AV_CODEC_ID_NONE;
-- 
2.10.2



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