From patchwork Sun Dec 29 19:23:35 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Niedermayer X-Patchwork-Id: 17046 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 3D3AF44AFA7 for ; Sun, 29 Dec 2019 21:27:15 +0200 (EET) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 1CEE868AD11; Sun, 29 Dec 2019 21:27:15 +0200 (EET) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from vie01a-dmta-pe02-1.mx.upcmail.net (vie01a-dmta-pe02-1.mx.upcmail.net [62.179.121.157]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id D922A68A9FD for ; Sun, 29 Dec 2019 21:27:05 +0200 (EET) Received: from [172.31.216.235] (helo=vie01a-pemc-psmtp-pe12.mail.upcmail.net) by vie01a-dmta-pe02.mx.upcmail.net with esmtp (Exim 4.92) (envelope-from ) id 1ileDQ-0002XD-0e for ffmpeg-devel@ffmpeg.org; Sun, 29 Dec 2019 20:27:04 +0100 Received: from localhost ([213.47.68.29]) by vie01a-pemc-psmtp-pe12.mail.upcmail.net with ESMTP id leCRiQVsDwlysleCRirzzr; Sun, 29 Dec 2019 20:26:03 +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=E5OzWpVl 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=hcnHL5KfeWmfr-6SCyMA:9 From: Michael Niedermayer To: FFmpeg development discussions and patches Date: Sun, 29 Dec 2019 20:23:35 +0100 Message-Id: <20191229192339.5809-1-michael@niedermayer.cc> X-Mailer: git-send-email 2.24.0 MIME-Version: 1.0 X-CMAE-Envelope: MS4wfPNqGbw11+SDmSfiqrrWzrdIa5REKhxPXDlUIOwsGBT2iqqTUtV89Jv0df0GQWbmlDtyUbQDao7ImtEkPDbQTeYdpzJKkQENfCPoldlGmMxzPorW3wbK 2zACDMVh/QHIvQFw1yu+cGMIXe3xHVc81vX65TNtcEYd1POWDIkSVeMJ Subject: [FFmpeg-devel] [PATCH 1/5] tools/target_dec_fuzzer: Fuzz idct_algo value 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 Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" This should improve coverage Signed-off-by: Michael Niedermayer --- tools/target_dec_fuzzer.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/tools/target_dec_fuzzer.c b/tools/target_dec_fuzzer.c index a9ad226708..3f77ceac52 100644 --- a/tools/target_dec_fuzzer.c +++ b/tools/target_dec_fuzzer.c @@ -251,6 +251,8 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { keyframes = bytestream2_get_le64(&gbc); ctx->request_channel_layout = bytestream2_get_le64(&gbc); + ctx->idct_algo = bytestream2_get_byte(&gbc) % 25; + if (extradata_size < size) { ctx->extradata = av_mallocz(extradata_size + AV_INPUT_BUFFER_PADDING_SIZE); if (ctx->extradata) {