From patchwork Wed Aug 10 00:31:58 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ammar Faizi X-Patchwork-Id: 12940087 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 51B9AC19F2D for ; Wed, 10 Aug 2022 00:32:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229683AbiHJAcw (ORCPT ); Tue, 9 Aug 2022 20:32:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41978 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229495AbiHJAcv (ORCPT ); Tue, 9 Aug 2022 20:32:51 -0400 Received: from gnuweeb.org (gnuweeb.org [51.81.211.47]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4A40A7AC22 for ; Tue, 9 Aug 2022 17:32:51 -0700 (PDT) Received: from integral2.. (unknown [180.246.144.41]) by gnuweeb.org (Postfix) with ESMTPSA id 83F8F80866; Wed, 10 Aug 2022 00:32:48 +0000 (UTC) X-GW-Data: lPqxHiMPbJw1wb7CM9QUryAGzr0yq5atzVDdxTR0iA== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gnuweeb.org; s=default; t=1660091570; bh=UAM+iegT+0YgZACF4mFDrxf/kclbwpYnTqerz3nIjfg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=AkqJeGy2RbvDIf9YjRMLGCA5AguQ1iW2wdWjBStKv/ZH7xYO8A459Ta8i2C/jrY2W WaMyjf0VQ6HVQ7Nzq0d2ALE1Z0DoRdKyhdLglEqPwv/EBo7tTsZFEIh7Z2n+TdpMzl /yvSelRATGPH5OyKkYWBK9LQIl2oOkcPVWUIFXkLNpLL6tedIXR77a99/ootBsIA5G AViFowLr48fVtZGL9oxAcX0UjJw4Tc1CDYxuOJ2U1PNNaegOhyr0VHLFwjPnm9SeL6 iwkZILYphXSVShM8Ms8t6N8oNpi1ymo2zWFA+8d4HfFZMBwFDnr1zDSdLgOwNvbO9c 8vRMugeME8yUA== From: Ammar Faizi To: Jens Axboe Cc: Ammar Faizi , Vitaly Chikunov , Fernanda Ma'rouf , Kanna Scarlet , io-uring Mailing List , GNU/Weeb Mailing List Subject: [PATCH liburing v1 09/10] test/eventfd-disable: Fix reading uninitialized variable Date: Wed, 10 Aug 2022 07:31:58 +0700 Message-Id: <20220810002735.2260172-10-ammar.faizi@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220810002735.2260172-1-ammar.faizi@intel.com> References: <20220810002735.2260172-1-ammar.faizi@intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org From: Ammar Faizi Fix this: ==2256099== Conditional jump or move depends on uninitialised value(s) ==2256099== at 0x109DF5: main (eventfd-disable.c:136) Link: https://github.com/axboe/liburing/issues/640 Reported-by: Vitaly Chikunov Signed-off-by: Ammar Faizi --- test/eventfd-disable.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/test/eventfd-disable.c b/test/eventfd-disable.c index 2c8cf6d..9de2465 100644 --- a/test/eventfd-disable.c +++ b/test/eventfd-disable.c @@ -21,7 +21,7 @@ int main(int argc, char *argv[]) struct io_uring_sqe *sqe; struct io_uring_cqe *cqe; struct io_uring ring; - uint64_t ptr; + uint64_t ptr = 0; struct iovec vec = { .iov_base = &ptr, .iov_len = sizeof(ptr)