ffmpeg | branch: release/4.3 | Michael Niedermayer <mich...@niedermayer.cc> | Sun Jan 31 16:30:59 2021 +0100| [fc22600d5c59b196b4d577d4dc4c675ab5f95b48] | committer: Michael Niedermayer
avformat/avidec: Use 64bit in get_duration() 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> (cherry picked from commit a0ceb0cdd41b56241697cd8f83e22cdb4822d2d9) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=fc22600d5c59b196b4d577d4dc4c675ab5f95b48 --- libavformat/avidec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/avidec.c b/libavformat/avidec.c index 356a39ddc7..0d66ad2311 100644 --- a/libavformat/avidec.c +++ b/libavformat/avidec.c @@ -125,7 +125,7 @@ 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; } _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
