From 2434d2452fffee0284529ef4adca7bcec2bd4bb3 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sat, 10 Oct 2020 17:31:50 +0200 Subject: [PATCH] avformat/kvag: Fix integer overflow in bitrate computation Fixes: signed integer overflow: 1077952576 * 4 cannot be represented in type 'int' Fixes: 26152/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5674758518341632 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer (cherry picked from commit 7ac87a2c34bea97dd87208b1ba7384dfbdea2a04) Signed-off-by: Michael Niedermayer --- libavformat/kvag.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/kvag.c b/libavformat/kvag.c index 0a11fc0556..8f641873b9 100644 --- a/libavformat/kvag.c +++ b/libavformat/kvag.c @@ -83,7 +83,7 @@ static int kvag_read_header(AVFormatContext *s) par->bits_per_raw_sample = 16; par->block_align = 1; par->bit_rate = par->channels * - par->sample_rate * + (uint64_t)par->sample_rate * par->bits_per_coded_sample; avpriv_set_pts_info(st, 64, 1, par->sample_rate);