From a9eaeba8753485439fbaf5294f9bd110cb19bc87 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sun, 18 Sep 2022 16:49:26 +0200 Subject: [PATCH] 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 (cherry picked from commit 529f64b2eb98e0c3ae4944abd5d01fa7c1def047) Signed-off-by: Michael Niedermayer --- libavformat/rpl.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/rpl.c b/libavformat/rpl.c index ad3659e936..10cde679f8 100644 --- a/libavformat/rpl.c +++ b/libavformat/rpl.c @@ -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