From patchwork Wed Jun 3 23:19:17 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Niedermayer X-Patchwork-Id: 20140 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 3EB84448BD8 for ; Thu, 4 Jun 2020 02:25:47 +0300 (EEST) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 18EE168AFD5; Thu, 4 Jun 2020 02:25:47 +0300 (EEST) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from vie01a-dmta-pe06-2.mx.upcmail.net (vie01a-dmta-pe06-2.mx.upcmail.net [84.116.36.15]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 9D2DD68AFBC for ; Thu, 4 Jun 2020 02:25:40 +0300 (EEST) Received: from [172.31.216.235] (helo=vie01a-pemc-psmtp-pe12.mail.upcmail.net) by vie01a-dmta-pe06.mx.upcmail.net with esmtp (Exim 4.92) (envelope-from ) id 1jgcgG-0004BU-0F for ffmpeg-devel@ffmpeg.org; Thu, 04 Jun 2020 01:20:20 +0200 Received: from localhost ([213.47.68.29]) by vie01a-pemc-psmtp-pe12.mail.upcmail.net with ESMTP id gcfHjjJFM6Jy6gcfHjG7bs; Thu, 04 Jun 2020 01:19:19 +0200 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=GKl27dFK 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=I5pnrDP0GbEcCeSHw4wA:9 a=1fhp2MxaeJtTNGEnv6mo:22 a=Z5ABNNGmrOfJ6cZ5bIyy:22 a=bWyr8ysk75zN3GCy5bjg:22 From: Michael Niedermayer To: FFmpeg development discussions and patches Date: Thu, 4 Jun 2020 01:19:17 +0200 Message-Id: <20200603231919.26199-1-michael@niedermayer.cc> X-Mailer: git-send-email 2.17.1 X-CMAE-Envelope: MS4wfHfsoHBBOxHqgF64Ce3mV9S8XH75cKn/1vQfSAPRXlMmdO009QaGE0bjx37UjvQp3tKpEpTf4bBF5BACn3BStbpcXYwiP33S3v1ofCSsF1ZW4Fooa7I4 mqHBPMfJlW+U42ZUNkL8D/YAYCnY+adgr6EugfxpjXgXwD5L9CMz4FHw Subject: [FFmpeg-devel] [PATCH 1/3] avcodec/bitpacked: , 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: array end overread Fixes: 22395/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_BITPACKED_fuzzer-5760940300828672 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer --- libavcodec/bitpacked.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/bitpacked.c b/libavcodec/bitpacked.c index be7d1e3629..952ba73a32 100644 --- a/libavcodec/bitpacked.c +++ b/libavcodec/bitpacked.c @@ -147,7 +147,7 @@ AVCodec ff_bitpacked_decoder = { .decode = bitpacked_decode, .capabilities = AV_CODEC_CAP_EXPERIMENTAL, .codec_tags = (const uint32_t []){ - MKTAG('U', 'Y', 'V', 'Y') + MKTAG('U', 'Y', 'V', 'Y'), FF_CODEC_TAGS_END, }, };