From patchwork Sun Dec 5 21:19:03 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Niedermayer X-Patchwork-Id: 32075 Delivered-To: andriy.gelman@gmail.com Received: by 2002:a0c:cdc3:0:0:0:0:0 with SMTP id a3csp5145940qvn; Sun, 5 Dec 2021 13:20:47 -0800 (PST) X-Google-Smtp-Source: ABdhPJyd0Au5Cki4HcD9/GUUVQnft4gyythVd4VK2ag8gpWL/mOpp7qmvOwNYeT0k8onj443s5S6 X-Received: by 2002:a17:906:4fc7:: with SMTP id i7mr41438588ejw.514.1638739247311; Sun, 05 Dec 2021 13:20:47 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1638739247; cv=none; d=google.com; s=arc-20160816; b=In6wuxGfn97RegrgxJ1HxAx+lHdnnxesuJAWB3NRB3aILDE9ZlZ6vbJHlwRFfj4jjA GG1UgbgmjZ75OEGSrCtmaMuajfSL/Ay6HRUjzcUATMbxikcB3xIy6IJ/ergVA2im2LKR kWx+JvxtukqGAYAUKgUwOLzuCraFGPoSvpci9HSQxLAvswhhsYMKI0G69GZWC4VxmcYx zPPzxyHumdgD+9PqFUx7y50Qt2457L6AKeda1vJ/CGL7vexQsa6nb2ugLxP00pcqKsHC TIlxRf+lSyoTz0QrPF37Soqjswu4uq2yDuuoDRjqECQOAf5iX56AlYFJOHMjj3Gw6/EX Nilw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:content-transfer-encoding:mime-version:reply-to :list-subscribe:list-help:list-post:list-archive:list-unsubscribe :list-id:precedence:subject:references:in-reply-to:message-id:date :to:from:delivered-to; bh=HsFYvOlVxphrOyFyQ7Dt6fxZnLsTmNQFgRaGh7xgLwo=; b=uJAdK6gNf222bhBZ2/mK++HqhA+TCgV5H0yU6xv0cUkXYeAaC9ih6iKgf6E0I+rdV/ 7A+nWOy3E7/++xACVQOEs97Wut4lveOODC64xHn/PAA7BhnRtjgR8eM3M0OsrvXgW+zN 4mqmo9ZodqstBuaRKMiVSt9UoojAbDzALTJvDSvCWzK30Vl/lS5nDdYyNZDPP84mRxUi gPuNzpaQi0gSDuNVT7hntA+SrWRtnzH7i9YjXMQkypecJIi/avIGRTjs5Mz1TAZqzxmI QKDtIGQx1ReLnT+OJ2aDcDL6y+Ut6lW+0WfjC5aIdHfmyEqJaqAxFrcNsY2gKTVpJGFW nNXg== ARC-Authentication-Results: i=1; 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 Return-Path: Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org. [79.124.17.100]) by mx.google.com with ESMTP id lj6si13136083ejb.258.2021.12.05.13.20.47; Sun, 05 Dec 2021 13:20:47 -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 3546368AFBA; Sun, 5 Dec 2021 23:20:19 +0200 (EET) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from vie01a-dmta-pe02-2.mx.upcmail.net (vie01a-dmta-pe02-2.mx.upcmail.net [62.179.121.158]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 73FAC68AF77 for ; Sun, 5 Dec 2021 23:20:08 +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 1mtyvY-002iU9-0A for ffmpeg-devel@ffmpeg.org; Sun, 05 Dec 2021 22:20:08 +0100 Received: from localhost ([213.47.68.29]) by vie01a-pemc-psmtp-pe12.mail.upcmail.net with ESMTP id tyuam2RPISgGFtyuamZqR2; Sun, 05 Dec 2021 22:19:08 +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=f8Q2+96M 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=NEAV23lmAAAA:8 a=IF96J-DQXDkPieHGh9AA:9 From: Michael Niedermayer To: FFmpeg development discussions and patches Date: Sun, 5 Dec 2021 22:19:03 +0100 Message-Id: <20211205211907.30010-3-michael@niedermayer.cc> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20211205211907.30010-1-michael@niedermayer.cc> References: <20211205211907.30010-1-michael@niedermayer.cc> X-CMAE-Envelope: MS4wfA78OTeQ1Gwn8l2Mqga9D52HMwO3okBQ67D3LJlb/ioe+xzMhuuhAszYtgA2N45OuC/wuC0+WHJJqfCaXpxsj0oLHIv+IkGvT5hM7YU9oU/9hhtTYI9G CmlsG5asL4V+9HbtUUKhuQ+UeU/gJGJ/s0RgR0F15sr90g4sGg76ot1+ Subject: [FFmpeg-devel] [PATCH 3/7] tools/target_dem_fuzzer: Force interrupt for HLS X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.29 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" X-TUID: HpL2kfOoap4J Content-Length: 1159 Fixes: Timeout Fixes: 41580/clusterfuzz-testcase-minimized-ffmpeg_dem_HLS_fuzzer-5059099224571904 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer --- tools/target_dem_fuzzer.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/tools/target_dem_fuzzer.c b/tools/target_dem_fuzzer.c index 6ee793a28ba..687989ccc89 100644 --- a/tools/target_dem_fuzzer.c +++ b/tools/target_dem_fuzzer.c @@ -172,6 +172,10 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { avfmt->interrupt_callback.callback = interrupt_cb; } + // HLS uses a loop with sleep, we thus must breakout or we timeout + if (!strcmp(fmt->name, "hls")) + interrupt_counter &= 31; + if (!io_buffer_size || size / io_buffer_size > maxblocks) io_buffer_size = size;