From patchwork Tue Sep 3 00:14:25 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Niedermayer X-Patchwork-Id: 14853 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 DB20D449772 for ; Tue, 3 Sep 2019 03:15:38 +0300 (EEST) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id C6E06687FAC; Tue, 3 Sep 2019 03:15:38 +0300 (EEST) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from vie01a-dmta-pe08-1.mx.upcmail.net (vie01a-dmta-pe08-1.mx.upcmail.net [84.116.36.20]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 75F8A687F88 for ; Tue, 3 Sep 2019 03:15:29 +0300 (EEST) Received: from [172.31.216.235] (helo=vie01a-pemc-psmtp-pe12.mail.upcmail.net) by vie01a-dmta-pe08.mx.upcmail.net with esmtp (Exim 4.92) (envelope-from ) id 1i4wTp-0007fR-4S for ffmpeg-devel@ffmpeg.org; Tue, 03 Sep 2019 02:15:29 +0200 Received: from localhost ([213.47.41.20]) by vie01a-pemc-psmtp-pe12.mail.upcmail.net with ESMTP id 4wSqiJSqlwlys4wSriFTG2; Tue, 03 Sep 2019 02:14:29 +0200 X-Env-Mailfrom: michael@niedermayer.cc X-Env-Rcptto: ffmpeg-devel@ffmpeg.org X-SourceIP: 213.47.41.20 X-CNFS-Analysis: v=2.3 cv=E5OzWpVl c=1 sm=1 tr=0 a=I1eytVlZLDX1BM2VTtTtSw==:117 a=I1eytVlZLDX1BM2VTtTtSw==:17 a=jpOVt7BSZ2e4Z31A5e1TngXxSK0=:19 a=MKtGQD3n3ToA:10 a=1oJP67jkp3AA:10 a=GEAsPZ9sns4A:10 a=ZZnuYtJkoWoA:10 a=mHL_ZCpMIksrpjQHGMAA:9 a=pHzHmUro8NiASowvMSCR:22 a=Ew2E2A-JSTLzCXPT_086:22 From: Michael Niedermayer To: FFmpeg development discussions and patches Date: Tue, 3 Sep 2019 02:14:25 +0200 Message-Id: <20190903001426.8957-4-michael@niedermayer.cc> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20190903001426.8957-1-michael@niedermayer.cc> References: <20190903001426.8957-1-michael@niedermayer.cc> MIME-Version: 1.0 X-CMAE-Envelope: MS4wfHbYJAIz4mBNCRr51EnK7O9179PEQDdvzmm3seytRMQoNr0W1m/rDG2UYoB217ETqNJrae2V50rVn0w9QcPbUBJpc8Sg2ptIqz/H0IkTBUVXz7AelXGG seLLICqXyVXr6u+BCobSZ0duuG+zOMAzxBXXZ0YOLeLnYtPDSCU1WTQs Subject: [FFmpeg-devel] [PATCH 4/5] tools/target_dec_fuzzer: Set max_samples 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" Signed-off-by: Michael Niedermayer --- tools/target_dec_fuzzer.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/tools/target_dec_fuzzer.c b/tools/target_dec_fuzzer.c index 3a19efd031..1e26ac738f 100644 --- a/tools/target_dec_fuzzer.c +++ b/tools/target_dec_fuzzer.c @@ -90,6 +90,8 @@ const uint32_t maxiteration = 8096; const uint64_t maxpixels_per_frame = 4096 * 4096; uint64_t maxpixels; +const uint64_t maxsamples_per_frame = 256*1024*64; + static const uint64_t FUZZ_TAG = 0x4741542D5A5A5546ULL; int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { @@ -152,6 +154,8 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { ctx->max_pixels = maxpixels_per_frame; //To reduce false positive OOM and hangs ctx->refcounted_frames = 1; //To reduce false positive timeouts and focus testing on the refcounted API + ctx->max_samples = maxsamples_per_frame; + if (size > 1024) { GetByteContext gbc; int extradata_size;