From patchwork Mon Sep 23 21:32:43 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Niedermayer X-Patchwork-Id: 51772 Delivered-To: ffmpegpatchwork2@gmail.com Received: by 2002:a59:d154:0:b0:48e:c0f8:d0de with SMTP id bt20csp2734604vqb; Mon, 23 Sep 2024 14:33:02 -0700 (PDT) X-Forwarded-Encrypted: i=2; AJvYcCWZYqnqMJ5L00fTtSdmEly6PT23QNb+0pkAeGKjJl8njmaSJcOVg87i3f49vhz61FS3+l4kazVuP/CRg7ORdS4c@gmail.com X-Google-Smtp-Source: AGHT+IFtxBfPKyy02+wpnnxh5mMgXU1+c5dqTU7obp/sTe9J6h/QdD9nNFt3PO1hMtnCCo+3Wy88 X-Received: by 2002:a2e:be08:0:b0:2f1:a30c:cd15 with SMTP id 38308e7fff4ca-2f7cb33787bmr61766981fa.36.1727127182104; Mon, 23 Sep 2024 14:33:02 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1727127182; cv=none; d=google.com; s=arc-20240605; b=k4whe+fU0hOhuKcsomryCGRhACinNPROJJKMSRHqQUsixWt06IDoAe2nZ37TS3arYl 1i6L4GXcW8KNZfaWUS20R6hYjDO2fSanYwVwGKAVhEdbKVU1RK5dkuhNPv/09WWVNTXo 7HtdNLi7jauS3uPdQGuduTOVWSB8YiZYmrLdCgWErYwK+JzRn+FFwkKlMrtj1V2ZYXDj idc2ZVN0DORrUMGmxAoaxbzeLYxgP87xXv2//rPird+jbsSuso+pRn2WlDqmYQ8KSKlZ AdJbtOXj/rPQB6d+RlWsgRdFpF/qOAjdCMpci+wXUj25Q4N7Hn5qMekZj2zWiS+s4HL2 GhxQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20240605; h=sender:errors-to:content-transfer-encoding:reply-to:list-subscribe :list-help:list-post:list-archive:list-unsubscribe:list-id :precedence:subject:mime-version:message-id:date:to:from :dkim-signature:delivered-to; bh=21LOo3GJ5nwHMv7c85dNqL3d+W6di2DfNMGtMPY+Mkk=; fh=e5zN9xSzcxLA6bGo3lF+CqTbY/oLwzApV03EO/RBfgQ=; b=ayEAYAIEeIb8Rof9zxoUIF9484iT/Tpq/65He81hD8gq0Yz0hyI/C65NRmfrWiBoHd 86rP/GYpnwN6fQrthz7YCuBzbhjlsyomXEpbIT71iVhVMkzdI1dEwXNzRzb3cDzlAsQb MELv/Hj+DuNFgHDdkye+uDqB1BYc18JzY56wRNqN5dsFqqBZpciTDz4iunIs7bp8KJwe RDy9l+AC9OmC/yawC0eRM2LVBdrPbvRihKUFhaGFHYVZr5iMXDPfMIx1hSl9orCc/urt bdfbdyPkIqDtleqa/W4oB1Ay+z947lpwKkFczH+XuAShSYGZk78U2xdrI6luBy/4xWC5 ZIeA==; dara=google.com ARC-Authentication-Results: i=1; mx.google.com; dkim=neutral (body hash did not verify) header.i=@niedermayer.cc header.s=gm1 header.b=pJ2sxoyw; 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 38308e7fff4ca-2f8d282f50dsi429771fa.128.2024.09.23.14.33.01; Mon, 23 Sep 2024 14:33:02 -0700 (PDT) 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; dkim=neutral (body hash did not verify) header.i=@niedermayer.cc header.s=gm1 header.b=pJ2sxoyw; 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 5648568DA40; Tue, 24 Sep 2024 00:32:57 +0300 (EEST) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from relay8-d.mail.gandi.net (relay8-d.mail.gandi.net [217.70.183.201]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 1E10868CB1B for ; Tue, 24 Sep 2024 00:32:51 +0300 (EEST) Received: by mail.gandi.net (Postfix) with ESMTPSA id 698DB1BF204 for ; Mon, 23 Sep 2024 21:32:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=niedermayer.cc; s=gm1; t=1727127170; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=N3r6xssL8yvL7pJ1nPlbe+iammy4v8v96Js5X4HdZRs=; b=pJ2sxoywmz+Dcy9rhM81sO/+2qdRMCpfJ6+bH4kDyIxnAkZSWMc29WBtaxHkNIOvOz5kKB eUDZ1Bh1XzSk8VGHssGVBLnmYQl4w4w86ZeXmul67JAMO6loNf9r5+zCZ95qeRg8Aib05g FikVtdsvYuenJDJxinh2NH00yPVKg0WZ/6SyqoXSs7BgCUE7E1TJarSBYFhK51sruAIzOy R0OOlBFRUWdmSu8BWF+MnR6pexzbkJ+3YRJIxyz5QPdqrA8qk1wqJ8dK8Qq7SJKB3KAENs 2ZlEKqsNShfeey2Yj5VMR622o5X5aVxb8VjYM0uCS5+JFRFvfFbtcSk4Tv3tvA== From: Michael Niedermayer To: FFmpeg development discussions and patches Date: Mon, 23 Sep 2024 23:32:43 +0200 Message-ID: <20240923213249.3256534-1-michael@niedermayer.cc> X-Mailer: git-send-email 2.46.1 MIME-Version: 1.0 X-GND-Sasl: michael@niedermayer.cc Subject: [FFmpeg-devel] [PATCH 1/7] avcodec/ilbcdec: Initialize tempbuff2 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 Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" X-TUID: +Whn7IY5T2Yu Fixes: Use of uninitialized value Fixes: 71350/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ILBC_fuzzer-6322020827070464 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer --- libavcodec/ilbcdec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/ilbcdec.c b/libavcodec/ilbcdec.c index ba1da168bc0..7fea39b43ca 100644 --- a/libavcodec/ilbcdec.c +++ b/libavcodec/ilbcdec.c @@ -658,7 +658,7 @@ static void get_codebook(int16_t * cbvec, /* (o) Constructed codebook vector * int16_t k, base_size; int16_t lag; /* Stack based */ - int16_t tempbuff2[SUBL + 5]; + int16_t tempbuff2[SUBL + 5] = {0}; /* Determine size of codebook sections */ base_size = lMem - cbveclen + 1;