From patchwork Sun Jan 17 22:53:10 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Niedermayer X-Patchwork-Id: 24998 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 07EE144A68D for ; Mon, 18 Jan 2021 00:54:20 +0200 (EET) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id DF635688035; Mon, 18 Jan 2021 00:54:19 +0200 (EET) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from vie01a-dmta-pe03-3.mx.upcmail.net (vie01a-dmta-pe03-3.mx.upcmail.net [62.179.121.162]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id A680C68098D for ; Mon, 18 Jan 2021 00:54:12 +0200 (EET) Received: from [172.31.216.235] (helo=vie01a-pemc-psmtp-pe12.mail.upcmail.net) by vie01a-dmta-pe03.mx.upcmail.net with esmtp (Exim 4.92) (envelope-from ) id 1l1Gw0-0003vr-0N for ffmpeg-devel@ffmpeg.org; Sun, 17 Jan 2021 23:54:12 +0100 Received: from localhost ([213.47.68.29]) by vie01a-pemc-psmtp-pe12.mail.upcmail.net with ESMTP id 1Gv2l8OehO4rA1Gv2lz6b5; Sun, 17 Jan 2021 23:53:12 +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=LUhq9aIk2ytGVin1boMA:9 a=1fhp2MxaeJtTNGEnv6mo:22 a=Z5ABNNGmrOfJ6cZ5bIyy:22 a=SsAZrZ5W_gNWK9tOzrEV:22 From: Michael Niedermayer To: FFmpeg development discussions and patches Date: Sun, 17 Jan 2021 23:53:10 +0100 Message-Id: <20210117225311.17297-4-michael@niedermayer.cc> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210117225311.17297-1-michael@niedermayer.cc> References: <20210117225311.17297-1-michael@niedermayer.cc> X-CMAE-Envelope: MS4wfG1ZJy4hv89hYB5WnaAA+VPfQrzaT9eRt5rHR3LGWbHUutr5rr49LT2cjwzR31+EQnQrkxYVUjIvTDzdvHKzgCZCh65zalnIe0JK1QkJSKotqx4qz/r9 XbIP83ZM3tGH7cdacbF2eMXDFc2toSawAEcBD3gasgtxGBG8UUFcHb88 Subject: [FFmpeg-devel] [PATCH 4/5] avformat/tta: Use 64bit intermediate for index 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: signed integer overflow: 42032 * 51092 cannot be represented in type 'int' Fixes: 26910/clusterfuzz-testcase-minimized-ffmpeg_dem_TTA_fuzzer-6679539648430080 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer --- libavformat/tta.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/tta.c b/libavformat/tta.c index 70e98b2937..46c2508bce 100644 --- a/libavformat/tta.c +++ b/libavformat/tta.c @@ -119,7 +119,7 @@ static int tta_read_header(AVFormatContext *s) for (i = 0; i < c->totalframes; i++) { uint32_t size = avio_rl32(s->pb); int r; - if ((r = av_add_index_entry(st, framepos, i * c->frame_size, size, 0, + if ((r = av_add_index_entry(st, framepos, i * (int64_t)c->frame_size, size, 0, AVINDEX_KEYFRAME)) < 0) return r; framepos += size;