From nobody Sat Apr 11 23:07:24 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1773071794; cv=none; d=zohomail.com; s=zohoarc; b=VzlhxUimA/mclIxtcE8COLx3847fHbgMpn2BiTP9Df/U0KNtqniuMNpribaZhB9aTSWmufv0KunmbUS7TUsFHtRP9op4squigcUfI9CXXkoNt5UUcC35J6G8Ulh8qGzP+5YZxgawDjmP9YgwskC3Ety7cdaLlNs6hO2GNeFYmZI= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1773071794; h=Content-Type:Content-Transfer-Encoding:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To:Cc; bh=I9pkSl+RPDpscWwr+MPBejtK4wJPWeiMCO/OxsmQACQ=; b=QmaoV+Z6rXbl/ims4pstEuItBuwB+lr1K2rG7sAJEfwJD6deQl7WK6NarVvryAknH/Tnj90JeCaheY1nSvEKE/ELEIZslBj4W7sIp3621+O7rRygRnAk35Mzj7hLfTdxYNEaGAs1uINP6s3WiK8gE0lYw9By0J77zVnQH2/uo3I= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1773071794454611.9721178841204; Mon, 9 Mar 2026 08:56:34 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1vzcxx-0002A0-GM; Mon, 09 Mar 2026 11:56:22 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vzcx5-0000QF-FM for qemu-devel@nongnu.org; Mon, 09 Mar 2026 11:55:29 -0400 Received: from mail-wm1-x32a.google.com ([2a00:1450:4864:20::32a]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1vzcx3-0000fh-NW for qemu-devel@nongnu.org; Mon, 09 Mar 2026 11:55:27 -0400 Received: by mail-wm1-x32a.google.com with SMTP id 5b1f17b1804b1-4853e1ce427so10345355e9.3 for ; Mon, 09 Mar 2026 08:55:25 -0700 (PDT) Received: from localhost.localdomain (88-187-86-199.subs.proxad.net. [88.187.86.199]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-48541a7f1f5sm1813545e9.4.2026.03.09.08.55.22 for (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Mon, 09 Mar 2026 08:55:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1773071724; x=1773676524; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:from:to:cc:subject:date:message-id :reply-to; bh=I9pkSl+RPDpscWwr+MPBejtK4wJPWeiMCO/OxsmQACQ=; b=Xknk/5cbaUM7nkMUs3RuT64Eg3nicr3X6pCwFAdkdFZtFSWPa4rjQySmqBJUo5E5Es V4LtTOdSsGmLzL8GFHquIggZ2lJZq7+kxytT7CjZ06EuE4J8dUs7snoLYChCdSB8ZJuD p5HBIjGeScoPioxsYvTcLrsxoV/eB6osYbYCT9Ei2bJJPzwuoLscM+8s5XFn5wq0v2Xv 4F7aQYeY2zBZWDAB92YqwRmq0nnDt0J5NItaQ9Lm+kAZrY3G6jxmEVIJESeVsHkRfi0v /UNnpjFu4JBMUttlVf1PDbykm1s91b20AYDfUcWc34sxlviziMsZGLEuBuYewcPN4inr QjaQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1773071724; x=1773676524; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:x-gm-gg:x-gm-message-state:from:to :cc:subject:date:message-id:reply-to; bh=I9pkSl+RPDpscWwr+MPBejtK4wJPWeiMCO/OxsmQACQ=; b=faztHXO7u/Lsc7iwKigheuWu23whlK2I9nKiO1Pyo1dkVMiAxIngYAb6tlTbrCkBi3 rISN0jikVHFMzezMw9WfVeEJNO9NKm46defwQ/LJA3NYjNLgmTuGtwU4gJAm+VrGSn5J h1HqSvN39R+Xiu3VmX/BtTLn0xk1B5IYxxyzFjb+QZPWWy8S42G8uFwTebYzlGTS0UiE SXpXyQIsCwktUX6zc+5J2DpXJfIsGnLUAwrVMWhfc8r7RVLQi/p/SidK3EDXv0JdHCd6 jiroKON/gDSi5dEFSPwKu3in9x6mSMX5rR2AT4r5Rj3fEO7F6BL0RWtLoQH6pySNZSTK MEow== X-Gm-Message-State: AOJu0YyhY0Sn8niZUaT5oVBVsGsw4IOm8ZoOpWly8xg4awK37Odp1b8m e2RDuuDz2RMY3D7tf65HcuDNlBwvq0ALbv6hYY53ndpvaLcigFPGbbjwIY5kPfUdoP/rW797Rgo /ExCCrQ4= X-Gm-Gg: ATEYQzxOI7EFie4AcO9GPy2v6oTy2w9WAKTAxPOvWykQXzTgOrDa5fY1X/4gwa8I7rS wl9Fh9dQSCj8EF1QvY5eq9nP3Tlnv1n0JJCavxOAbS9QGA5SYG6WyjwBe25cVuna8Qf7jK5GInq 8hVm082RuKO2fS1WqLr6PkG1ROc3ZnBBYlQHEqulOCxSs1fiEPTy0VeS7cuIx5U9/Jf/Rss9OD2 KcIn7XXfunJBTzByM3UDjM87d+ayy1doCpooUyqTy/N5B++L5+F1bwF/qylG2KX1jUGmPnVJQgv rrOljI7ve8gIclCW4kqaH6nxHv7jesENU8LPi+tGj7zpP0AmsEQml9883jRnG/x5WYILBraQN/D XayRsHZtXb4QjadX1J73saU+4KFsNZlZzlo12ss6o08iGRPWGcOZFvWPcaYIMnino/+IqtavdOw 5fMDXe9Ef13pdFEksTGas4oQAa/JH3Pgcx2STUCGpMgryLvkf43QDElPEVbC3Su+W74jxhhDJtO PkDuA//6f0= X-Received: by 2002:a05:600c:4446:b0:485:34b3:8589 with SMTP id 5b1f17b1804b1-48534b3882emr105247085e9.31.1773071723721; Mon, 09 Mar 2026 08:55:23 -0700 (PDT) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PULL 27/49] meson: Add -Wformat-overflow=2 Date: Mon, 9 Mar 2026 16:51:57 +0100 Message-ID: <20260309155219.62400-28-philmd@linaro.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260309155219.62400-1-philmd@linaro.org> References: <20260309155219.62400-1-philmd@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::32a; envelope-from=philmd@linaro.org; helo=mail-wm1-x32a.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1773071795262154100 From: Akihiko Odaki https://gcc.gnu.org/onlinedocs/gcc-15.2.0/gcc/Warning-Options.html > Level 2 warns also about calls that might overflow the destination > buffer given an argument of sufficient length or magnitude. At level > 2, unknown numeric arguments are assumed to have the minimum > representable value for signed types with a precision greater than 1, > and the maximum representable value otherwise. Unknown string > arguments whose length cannot be assumed to be bounded either by the > directive=E2=80=99s precision, or by a finite set of string literals they= may > evaluate to, or the character array they may point to, are assumed to > be 1 character long. Signed-off-by: Akihiko Odaki Reviewed-by: Peter Maydell Message-ID: <20260305-nvme-v4-4-b65b9de1839f@rsg.ci.i.u-tokyo.ac.jp> Signed-off-by: Philippe Mathieu-Daud=C3=A9 --- meson.build | 1 + 1 file changed, 1 insertion(+) diff --git a/meson.build b/meson.build index 102f0cbb13e..f45885f05a1 100644 --- a/meson.build +++ b/meson.build @@ -694,6 +694,7 @@ warn_flags =3D [ '-Wempty-body', '-Wendif-labels', '-Wexpansion-to-defined', + '-Wformat-overflow=3D2', '-Wformat-security', '-Wformat-y2k', '-Wignored-qualifiers', --=20 2.53.0