From 3049331a493ed9f7e4f7ca92dbd6fd6c464779f2 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sat, 19 Dec 2020 00:22:01 +0100 Subject: [PATCH] avformat/mpegts: Increase pcr_incr width to 64bit Fixes: division by zero Fixes: 26459/clusterfuzz-testcase-minimized-ffmpeg_dem_MPEGTSRAW_fuzzer-5666350112178176 Fixes: 28154/clusterfuzz-testcase-minimized-ffmpeg_dem_MPEGTSRAW_fuzzer-5195728439476224 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Reviewed-by: Marton Balint Signed-off-by: Michael Niedermayer (cherry picked from commit ef7b117b7be8a81d6b245cadf096cbe4b1a12987) Signed-off-by: Michael Niedermayer --- libavformat/mpegts.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/mpegts.c b/libavformat/mpegts.c index b4eb5cb64c..f80953de2e 100644 --- a/libavformat/mpegts.c +++ b/libavformat/mpegts.c @@ -131,7 +131,7 @@ struct MpegTSContext { int fix_teletext_pts; int64_t cur_pcr; /**< used to estimate the exact PCR */ - int pcr_incr; /**< used to estimate the exact PCR */ + int64_t pcr_incr; /**< used to estimate the exact PCR */ /* data needed to handle file based ts */ /** stop parsing loop */