Fixes: signed integer overflow: 2147483424 + 8224 cannot be represented in type 'int' Fixes: 29619/clusterfuzz-testcase-minimized-ffmpeg_dem_AVI_fuzzer-5191424373030912
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavformat/avidec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/avidec.c b/libavformat/avidec.c index 79000f3e81..547eb63b1b 100644 --- a/libavformat/avidec.c +++ b/libavformat/avidec.c @@ -135,7 +135,7 @@ static inline int get_duration(AVIStream *ast, int len) if (ast->sample_size) return len; else if (ast->dshow_block_align) - return (len + ast->dshow_block_align - 1) / ast->dshow_block_align; + return (len + (int64_t)ast->dshow_block_align - 1) / ast->dshow_block_align; else return 1; } -- 2.17.1 _______________________________________________ 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".
