From patchwork Thu Feb 23 14:19:30 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Niedermayer X-Patchwork-Id: 2660 Delivered-To: ffmpegpatchwork@gmail.com Received: by 10.103.65.149 with SMTP id x21csp235115vsf; Thu, 23 Feb 2017 06:19:45 -0800 (PST) X-Received: by 10.223.128.231 with SMTP id 94mr27762829wrl.165.1487859585467; Thu, 23 Feb 2017 06:19:45 -0800 (PST) Return-Path: Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org. [79.124.17.100]) by mx.google.com with ESMTP id k69si7152889wmh.64.2017.02.23.06.19.45; Thu, 23 Feb 2017 06:19:45 -0800 (PST) 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 BF3C5688390; Thu, 23 Feb 2017 16:19:34 +0200 (EET) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from vie01a-dmta-pe04-2.mx.upcmail.net (vie01a-dmta-pe04-2.mx.upcmail.net [62.179.121.164]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 140D968837F for ; Thu, 23 Feb 2017 16:19:28 +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 1cguF5-0006CQ-AI for ffmpeg-devel@ffmpeg.org; Thu, 23 Feb 2017 15:19:35 +0100 Received: from localhost ([213.47.41.20]) by vie01a-pemc-psmtp-pe01 with SMTP @ mailcloud.upcmail.net id oEKa1u00m0S5wYM01EKbLw; Thu, 23 Feb 2017 15:19:35 +0100 X-SourceIP: 213.47.41.20 From: Michael Niedermayer To: FFmpeg development discussions and patches Date: Thu, 23 Feb 2017 15:19:30 +0100 Message-Id: <20170223141932.31110-2-michael@niedermayer.cc> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170223141932.31110-1-michael@niedermayer.cc> References: <20170223141932.31110-1-michael@niedermayer.cc> Subject: [FFmpeg-devel] [PATCH 2/4] avcodec/wavpack: Fix 280:22: runtime error: left shift of negative value -1 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: 653/clusterfuzz-testcase-5773837415219200 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer --- libavcodec/wavpack.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/wavpack.c b/libavcodec/wavpack.c index eeee6a6ae4..ebcdd96508 100644 --- a/libavcodec/wavpack.c +++ b/libavcodec/wavpack.c @@ -264,7 +264,7 @@ error: static inline int wv_get_value_integer(WavpackFrameContext *s, uint32_t *crc, int S) { - int bit; + unsigned bit; if (s->extra_bits) { S <<= s->extra_bits;