From patchwork Sun Dec 5 21:19:02 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Niedermayer X-Patchwork-Id: 32079 Delivered-To: andriy.gelman@gmail.com Received: by 2002:a0c:cdc3:0:0:0:0:0 with SMTP id a3csp5146098qvn; Sun, 5 Dec 2021 13:21:00 -0800 (PST) X-Google-Smtp-Source: ABdhPJzBJURYc087eSu3xa2QCiLkeKkHnNZ8keoUc0xJB9ndsT+dRh7fSJV5H23gkpi3XtsFYzje X-Received: by 2002:a05:6402:1d50:: with SMTP id dz16mr47216515edb.385.1638739260420; Sun, 05 Dec 2021 13:21:00 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1638739260; cv=none; d=google.com; s=arc-20160816; b=GnIACv0mtZg+X28R4YrZVRi8SlHfDAbe3B7iwdNR1ijJ1TtTeUDe8K75s3MZJmjLZH BLBAxTFyho5WMF/s+MtdQlf7Wr9cvnuOA0Z5dZMvzCDE74Sr1OA7bhIUR+NUdsjjL/FC 87Amt9MQNTRGW35dGPo32QhWYYEP/Zqvn3Oeq18sY8g5hr18KmupXcZt6Yc6D5Akc9+L Y2d950YHPYZeOSulFaABlw6lQFrumCDTgGU+qOwmbbyzLIq53K6w1jWfIl5fFUgmxD4N i8CfHI09Rch9X3VNBBa0KM75SW81MJLFxjoYdx20F3pv8CZcNG6RNFj7GY0q5bVQrjLD zygA== 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=kkcW5xdUn2vj2mMzltb942o6tH4tC7a0FuzVnI2WCjc=; b=qnhvLZ9NyQy2hU5VBexUTChGZcP8aKxVayrxWIvpfaDZrVPRpoAQJ0Cyhw8BXijrzQ wB3j9vJ/EzfnpYYqzLWVjE+4zMpWksuDjsmUh9OkVAHTvfIZDPzYkAu0Zw2rFKvRqIkY zDSUEdPwuf95nNQ0yu3+qRv06ebFvQ5+ZTLlebNL9YNcWE/4lGRWlcNeoDjvf53xRoVW 0vvEqmiD/CA5Rx8KmBGUf8uGRSFFyjN/CcjvkEF9NrnnYYyL7jgQUhmrzd7iM/Fufb5V /bH7jIOF1FTxc5fOt6oe3VIDboSWW7xpOzAGSlzZaj2wl+0aTJNmchKk5l2kR//BHQrA KNWw== 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 dn8si23794089ejc.146.2021.12.05.13.20.59; Sun, 05 Dec 2021 13:21:00 -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 938FD68AFCB; Sun, 5 Dec 2021 23:20:20 +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 74F1868AF7E 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-002iHp-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 tyuam2RORSgGFtyuamZqQj; 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=Now02a8eOhn1oTiHOGUA:9 From: Michael Niedermayer To: FFmpeg development discussions and patches Date: Sun, 5 Dec 2021 22:19:02 +0100 Message-Id: <20211205211907.30010-2-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 2/7] tools/target_dem_fuzzer: Test interrupt callback 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: l19T+tiq7jCq Content-Length: 1296 Signed-off-by: Michael Niedermayer --- tools/target_dem_fuzzer.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/tools/target_dem_fuzzer.c b/tools/target_dem_fuzzer.c index 3c03c8d17c0..6ee793a28ba 100644 --- a/tools/target_dem_fuzzer.c +++ b/tools/target_dem_fuzzer.c @@ -34,6 +34,13 @@ typedef struct IOContext { int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size); +int64_t interrupt_counter; +static int interrupt_cb(void *ctx) +{ + interrupt_counter --; + return interrupt_counter < 0; +} + static void error(const char *err) { fprintf(stderr, "%s", err); @@ -160,6 +167,9 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { *strchr(extension, ',') = 0; av_strlcatf(filename, sizeof(filename), ".%s", extension); } + + interrupt_counter = bytestream2_get_le32(&gbc); + avfmt->interrupt_callback.callback = interrupt_cb; } if (!io_buffer_size || size / io_buffer_size > maxblocks)