[FFmpeg-devel] [PATCH 6/6] avformat/rka: Fix division by 0 for bps < 8

[Michael Niedermayer]

Fixes: division by zero
Fixes: 57828/clusterfuzz-testcase-minimized-ffmpeg_dem_RKA_fuzzer-6571818338353152

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
---
 libavformat/rka.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavformat/rka.c b/libavformat/rka.c
index 39e5b3bce12..c83a17c92cc 100644
--- a/libavformat/rka.c
+++ b/libavformat/rka.c
@@ -100,7 +100,7 @@ static int rka_read_header(AVFormatContext *s)
                 break;
         }
 
-        if ((r = av_add_index_entry(st, framepos, (i * 131072LL) / (channels * (bps >> 3)),
+        if ((r = av_add_index_entry(st, framepos, (i * 131072LL*8) / (channels * bps),
                                     size, 0, AVINDEX_KEYFRAME)) < 0)
             return r;
         framepos += size;
-- 
2.17.1