From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pl1-f193.google.com (mail-pl1-f193.google.com [209.85.214.193]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 717D81D5141 for ; Sat, 29 Nov 2025 06:37:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.193 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764398262; cv=none; b=rVDtsWbMzeUOCGwYKHXMpacbexMypcT2dEdX1qPdyx34ugZhnY/4ac7AMQu+7cX7ZaRIZQyr3+yWrUXd6yNev2dCC5pDIS9fV4E8hiGqF0h7K5msaomCH+3YKtDDcUMprFHIDEdp68cm62TK9YmRw/9/B+QQRMAIS+nxICv/EIE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764398262; c=relaxed/simple; bh=6/EuxpMvYyBJYYef7g8AlAQiEmb0sStBq/SkcQ2Uci0=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=TDEHDtUdxlV+OnJwCKKaps5A9b1Hu4mH32Tv9SFkz9PpGTX4C/o0vgcAfwkgRCnXfeOZCTv1WpbnMpN5kz56V/2jap1fg8OnDKJLAPRZ7ellHGBcXBFvxO0VXd32vHdiyUsgyHJPbKhl58HNNVWvDEzO8xjQrSoChiQ2GSeJvQU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=S2rhf68M; arc=none smtp.client-ip=209.85.214.193 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="S2rhf68M" Received: by mail-pl1-f193.google.com with SMTP id d9443c01a7336-29853ec5b8cso31165155ad.3 for ; Fri, 28 Nov 2025 22:37:41 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1764398261; x=1765003061; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=M9JIRExjGfyiG438dj4Np3p8Uoc3QzZ6U/1+WKHx1+0=; b=S2rhf68MuFtqmIm59Unxu+iRa3iZQWP7Y5l1+y5tcK/JncLZ9NP20Svka0YvzSTSOh GcCgUmmJXx5/ls7UWlsTiD9KhV4F3ZtsaC7mQIfyuPHtcFQOGrr0yg8do4QGH93CmEtc 1hNv5sVzSbX5epxW3NN8Iqbp4LfdQxjihngW5ncSdUrkQ/D+ZnCC+HikoDJtFTGQPSuD oM8Cx7p5Tgpb+XsqU/Lj4CyKdeIFw7eYo4MuyBmW44Tv+e1mgVQ4lnKe7/NpyoFAg5qg 9oy2sccJVclokK3BZFF3VyFi5ecIt/7UJFIy5uN33+2sgWoX9mE9pKd5LLHbmjWZVUE0 4FPQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1764398261; x=1765003061; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=M9JIRExjGfyiG438dj4Np3p8Uoc3QzZ6U/1+WKHx1+0=; b=U/bRhBHx1l0cYra9+FneCMfp2kHwmRin+82cx81Rhd380UcqYuiNxXGluqCYRlH1LW E+QVp6IQITBFXaJB2jQysHARjopRmokg1bYrurw2AlXMScnp1YekApE4WsLFvxWcN3K4 eSrK8ycdVlxPJktl/iX2DvgHW+FtcZGA/s8lACJ71EIagoHC9VaCFcFO3PdlfJd7wgwj czSYuZBjUZz/jMmwr/aZy5fyGLMeKW4ZRYUtFvAv5qHMSdSMNtpy5CoXawxilrGEs6eM RGsb7jKU4Krl/L9R1Opww9REtj3PKBVRRJPWkqMarmFIt8jzAr2OPPytRG6tgJBLIntX IsiA== X-Forwarded-Encrypted: i=1; AJvYcCVzMcxzlJCCwnBCfjgJpj1Hqzd6hZHMJOcd3cB3JIqIaK586J/8BCIYtx24nOrc/k9mqZV8xvc=@vger.kernel.org X-Gm-Message-State: AOJu0Yzjz4rV5mIGektyGQ8Ig29Xo9msm/5eI8cSihdIMx0I20MF2/mT UY3y+gjg61FF7uAUHSGMQK0IiSy4MGLoV5iowbxowVbHEY6rRhniUwa5 X-Gm-Gg: ASbGncv583JRRktGZJ+VUZxIqhKgjXGccWTkY3vZcYYEsdl47cvFJAh3cyRN1Rcj1yI WOYWKoJ8vMOhvyDCYTGww/cHetCgOEKsCs06/614wZjozwgc0SSEQ6YQgixrtTpkrXeUPpaQl1Q 3x8iUM4i8JFxjRMNUWFx276S+8L1MibkjCHXRaEhjxbeoHUUDgFN5tmNaJpbwNlCkToTwvJG4bc RqgIb0Om311fMiBoZ4Eode+O+Qw68BmkAan1LbDBjgGmgBJBjRQqIkvHXwZMRem/s3M3xoEypdx sHZCXfyHYZAwFvs56TyYVZdKxQJa+8qVX1OZdOLk+iWA5op/WNrRxK4Gvv2MHipfo5IPHrc1QzM 75fgvE52xuZMbQK6HKYZAGPjC6THWqWp/IvjZUn5H7uARFm99k8HBs/77WpcNlKIu6i/6LAlFvb 5lb015trQTXgEBmT5gbSwzHMPnTeAS5w== X-Google-Smtp-Source: AGHT+IE+aUtzrPI3FDbOHHRFu36ei5nU763U+WhkfUbFs5Z/CcLc3K+MGQu87yTW0Esg48CsLOc47w== X-Received: by 2002:a17:903:458d:b0:298:616a:ba93 with SMTP id d9443c01a7336-29b6c3db802mr260455355ad.9.1764398260748; Fri, 28 Nov 2025 22:37:40 -0800 (PST) Received: from fedora ([103.120.31.122]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-29bce46e001sm64784635ad.39.2025.11.28.22.37.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 28 Nov 2025 22:37:40 -0800 (PST) From: Ankit Khushwaha To: "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman Cc: Shuah Khan , netdev@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, Ankit Khushwaha Subject: [PATCH] selftests: tls: fix read/write of garbage value Date: Sat, 29 Nov 2025 12:07:26 +0530 Message-ID: <20251129063726.31210-1-ankitkhushwaha.linux@gmail.com> X-Mailer: git-send-email 2.52.0 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit In 'poll_partial_rec_async' a uninitialized char variable 'token' with *garbage* value is used for write/read instruction to synchronize between threads via a pipe. tls.c:2833:26: warning: variable 'token' is uninitialized when passed as a const pointer argument here [-Wuninitialized-const-pointer] 2833 | EXPECT_EQ(write(p[1], &token, 1), 1); /* Barrier #1 */ Initialize 'token' to '\0' to prevent write/read of garbage value. Signed-off-by: Ankit Khushwaha --- compiler used: clang version 21.1.5 (Fedora 21.1.5-1.fc43). --- tools/testing/selftests/net/tls.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/net/tls.c b/tools/testing/selftests/net/tls.c index a3ef4b57eb5f..a4d16a460fbe 100644 --- a/tools/testing/selftests/net/tls.c +++ b/tools/testing/selftests/net/tls.c @@ -2786,10 +2786,10 @@ TEST_F(tls_err, epoll_partial_rec) TEST_F(tls_err, poll_partial_rec_async) { struct pollfd pfd = { }; + char token = '\0'; ssize_t rec_len; char rec[256]; char buf[128]; - char token; int p[2]; int ret; -- 2.52.0