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avformat/rpl: Use 64bit for duration computation 

Fixes: signed integer overflow: 24709512 * 88 cannot be represented in type 'int'
Fixes: 50993/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-6737973728641024

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 529f64b2eb)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2022-09-18 16:49:26 +02:00
parent 48b2e91f98
commit a9eaeba875
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1 changed files with 1 additions and 1 deletions
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libavformat/rpl.c
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@ -276,7 +276,7 @@ static int rpl_read_header(AVFormatContext *s)
error |= read_line(pb, line, sizeof(line)); // size of "helpful" sprite
if (vst) {
error |= read_line(pb, line, sizeof(line)); // offset to key frame list
vst->duration = number_of_chunks * rpl->frames_per_chunk;
vst->duration = number_of_chunks * (int64_t)rpl->frames_per_chunk;
}
// Read the index