From patchwork Tue Mar 21 01:52:02 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Niedermayer X-Patchwork-Id: 3036 Delivered-To: ffmpegpatchwork@gmail.com Received: by 10.103.50.79 with SMTP id y76csp1655445vsy; Mon, 20 Mar 2017 18:52:24 -0700 (PDT) X-Received: by 10.223.135.47 with SMTP id a44mr30563249wra.197.1490061144205; Mon, 20 Mar 2017 18:52:24 -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 134si17532635wme.103.2017.03.20.18.52.23; Mon, 20 Mar 2017 18:52:24 -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 C8AC16883B2; Tue, 21 Mar 2017 03:52:01 +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 438A168827F for ; Tue, 21 Mar 2017 03:51:55 +0200 (EET) Received: from [172.31.216.43] (helo=vie01a-pemc-psmtp-pe01) by vie01a-dmta-pe04.mx.upcmail.net with esmtp (Exim 4.88) (envelope-from ) id 1cq8y4-0005ms-LD for ffmpeg-devel@ffmpeg.org; Tue, 21 Mar 2017 02:52:12 +0100 Received: from localhost ([213.47.41.20]) by vie01a-pemc-psmtp-pe01 with SMTP @ mailcloud.upcmail.net id yRs41u00o0S5wYM01Rs5Rx; Tue, 21 Mar 2017 02:52:05 +0100 X-SourceIP: 213.47.41.20 From: Michael Niedermayer To: FFmpeg development discussions and patches Date: Tue, 21 Mar 2017 02:52:02 +0100 Message-Id: <20170321015202.8604-2-michael@niedermayer.cc> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170321015202.8604-1-michael@niedermayer.cc> References: <20170321015202.8604-1-michael@niedermayer.cc> Subject: [FFmpeg-devel] [PATCH 2/2] avcodec/pictordec: runtime error: left shift of 15 by 28 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: 898/clusterfuzz-testcase-6149765467209728 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 8b075bfd0c..b29a484534 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; - unsigned mask = ((1 << bits_per_plane) - 1) << shift; + unsigned mask = ((1U << bits_per_plane) - 1) << shift; value <<= shift; while (run > 0) {