From patchwork Fri Dec 18 23:22:01 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Niedermayer X-Patchwork-Id: 24586 Return-Path: X-Original-To: patchwork@ffaux-bg.ffmpeg.org Delivered-To: patchwork@ffaux-bg.ffmpeg.org Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org [79.124.17.100]) by ffaux.localdomain (Postfix) with ESMTP id B134D44B398 for ; Sat, 19 Dec 2020 02:36:46 +0200 (EET) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 8F6DF68A83C; Sat, 19 Dec 2020 02:36:46 +0200 (EET) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from vie01a-dmta-pe02-1.mx.upcmail.net (vie01a-dmta-pe02-1.mx.upcmail.net [62.179.121.157]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 81B1C68A551 for ; Sat, 19 Dec 2020 02:36:39 +0200 (EET) Received: from [172.31.216.235] (helo=vie01a-pemc-psmtp-pe12.mail.upcmail.net) by vie01a-dmta-pe02.mx.upcmail.net with esmtp (Exim 4.92) (envelope-from ) id 1kqP5Z-0003i9-0X for ffmpeg-devel@ffmpeg.org; Sat, 19 Dec 2020 00:23:09 +0100 Received: from localhost ([213.47.68.29]) by vie01a-pemc-psmtp-pe12.mail.upcmail.net with ESMTP id qP4aku6ZxO4rAqP4akse3C; Sat, 19 Dec 2020 00:22:08 +0100 X-Env-Mailfrom: michael@niedermayer.cc X-Env-Rcptto: ffmpeg-devel@ffmpeg.org X-SourceIP: 213.47.68.29 X-CNFS-Analysis: v=2.3 cv=RNDN4Lq+ c=1 sm=1 tr=0 a=2hcxjKEKjp0CzLx6oWAm4g==:117 a=2hcxjKEKjp0CzLx6oWAm4g==:17 a=MKtGQD3n3ToA:10 a=1oJP67jkp3AA:10 a=GEAsPZ9sns4A:10 a=ZZnuYtJkoWoA:10 a=nZOtpAppAAAA:20 a=AqA1IkcsIgmisLcCMQoA:9 a=1fhp2MxaeJtTNGEnv6mo:22 a=Z5ABNNGmrOfJ6cZ5bIyy:22 a=bWyr8ysk75zN3GCy5bjg:22 From: Michael Niedermayer To: FFmpeg development discussions and patches Date: Sat, 19 Dec 2020 00:22:01 +0100 Message-Id: <20201218232208.14207-1-michael@niedermayer.cc> X-Mailer: git-send-email 2.17.1 X-CMAE-Envelope: MS4wfM2MSGnFWELsbMnYiB7wK9pQEqJInineRJN5+r/rT2VQ4k8QNyAMTrVbn/ORkgL7q6JyoCQsSxDjjXFBW1XRIV1h1KoiHrG1VQ8324NhVclBwNW5lfRl U4HMoNAQ+baEmVaVYgaYE1QY2fKpjgMlaq3MLa+gpnK6PDfReFXPFT8z Subject: [FFmpeg-devel] [PATCH 1/8] avformat/mpegts: Increase pcr_incr width to 64bit X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: FFmpeg development discussions and patches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: FFmpeg development discussions and patches MIME-Version: 1.0 Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" 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 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 7549fc91c9..1122455f66 100644 --- a/libavformat/mpegts.c +++ b/libavformat/mpegts.c @@ -135,7 +135,7 @@ 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 */