From patchwork Mon Mar 13 19:45:07 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Niedermayer X-Patchwork-Id: 2919 Delivered-To: ffmpegpatchwork@gmail.com Received: by 10.103.50.79 with SMTP id y76csp1303142vsy; Mon, 13 Mar 2017 12:45:25 -0700 (PDT) X-Received: by 10.28.28.69 with SMTP id c66mr12505511wmc.28.1489434325686; Mon, 13 Mar 2017 12:45:25 -0700 (PDT) Return-Path: Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org. [79.124.17.100]) by mx.google.com with ESMTP id p62si12097745wmp.125.2017.03.13.12.45.25; Mon, 13 Mar 2017 12:45:25 -0700 (PDT) Received-SPF: pass (google.com: domain of ffmpeg-devel-bounces@ffmpeg.org designates 79.124.17.100 as permitted sender) client-ip=79.124.17.100; Authentication-Results: mx.google.com; spf=pass (google.com: domain of ffmpeg-devel-bounces@ffmpeg.org designates 79.124.17.100 as permitted sender) smtp.mailfrom=ffmpeg-devel-bounces@ffmpeg.org Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 3BA1868090C; Mon, 13 Mar 2017 21:45:06 +0200 (EET) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from vie01a-dmta-pe04-3.mx.upcmail.net (vie01a-dmta-pe04-3.mx.upcmail.net [62.179.121.165]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 302E268071E for ; Mon, 13 Mar 2017 21:45:00 +0200 (EET) Received: from [172.31.216.43] (helo=vie01a-pemc-psmtp-pe01) by vie01a-dmta-pe04.mx.upcmail.net with esmtp (Exim 4.87) (envelope-from ) id 1cnVu6-0005yG-Rb for ffmpeg-devel@ffmpeg.org; Mon, 13 Mar 2017 20:45:14 +0100 Received: from localhost ([213.47.41.20]) by vie01a-pemc-psmtp-pe01 with SMTP @ mailcloud.upcmail.net id vXl91u01Z0S5wYM01XlASS; Mon, 13 Mar 2017 20:45:10 +0100 X-SourceIP: 213.47.41.20 From: Michael Niedermayer To: FFmpeg development discussions and patches Date: Mon, 13 Mar 2017 20:45:07 +0100 Message-Id: <20170313194509.3553-1-michael@niedermayer.cc> X-Mailer: git-send-email 2.11.0 Subject: [FFmpeg-devel] [PATCH 1/3] avcodec/pictordec: Fix runtime error: left shift of 805306368 by 2 places cannot be represented in type 'int' 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: 823/clusterfuzz-testcase-6727060074528768 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer --- libavcodec/pictordec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/pictordec.c b/libavcodec/pictordec.c index 2dbc040b5c..8b075bfd0c 100644 --- a/libavcodec/pictordec.c +++ b/libavcodec/pictordec.c @@ -62,7 +62,7 @@ static void picmemset(PicContext *s, AVFrame *frame, unsigned value, int run, { uint8_t *d; int shift = *plane * bits_per_plane; - int mask = ((1 << bits_per_plane) - 1) << shift; + unsigned mask = ((1 << bits_per_plane) - 1) << shift; value <<= shift; while (run > 0) {