From nobody Tue Feb 10 17:48:59 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; 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=fail(p=reject dis=none) header.from=rsg.ci.i.u-tokyo.ac.jp Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1769323563783357.45273637317734; Sat, 24 Jan 2026 22:46:03 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1vjtqt-0003Qo-IT; Sun, 25 Jan 2026 01:44:03 -0500 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 1vjtqa-00035B-IK; Sun, 25 Jan 2026 01:43:45 -0500 Received: from www3579.sakura.ne.jp ([49.212.243.89]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vjtqX-0001OS-GM; Sun, 25 Jan 2026 01:43:44 -0500 Received: from h205.csg.ci.i.u-tokyo.ac.jp (h205.csg.ci.i.u-tokyo.ac.jp [133.11.54.205]) (authenticated bits=0) by www3579.sakura.ne.jp (8.16.1/8.16.1) with ESMTPSA id 60P6h74f079417 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Sun, 25 Jan 2026 15:43:18 +0900 (JST) (envelope-from odaki@rsg.ci.i.u-tokyo.ac.jp) DKIM-Signature: a=rsa-sha256; bh=M9F2sZaB7aqOtDg+UNTfUW8uDb8IF/ASvhYO4a8TRSw=; c=relaxed/relaxed; d=rsg.ci.i.u-tokyo.ac.jp; h=From:Date:Subject:Message-Id:To; s=rs20250326; t=1769323398; v=1; b=jFy8+Oinb5O7oymyHbxZ+bpEek20DwR/AJBp66Vk2PdG+MvWNcvafYr78bO0V7ih s+w3q1wl3BD49IzoLH6d+IdcgtgcxMe0AwaifZxiymLPLkQVcTndNyDthiRrOXcU 2myoS46FPnh2ZKfoO4Wi8LSEnM8SU0vyPDMpRpDgHGWhUFVpZZOxS6lzCKPWM1or 1RlHOr5QApz+HT3YCt55hi4iI+n9NX+IG9ZDfk36Ugnr5uB289I1jzUVpPLtkCqe gDXuWIPGLaWJ2LDckSC07gGKiVZIIOQ++JETP50wEaXms1C28zDHe76Z2JdLx1QH 1WBKlXg8T3KgsDueY5naag== From: Akihiko Odaki Date: Sun, 25 Jan 2026 15:42:46 +0900 Subject: [PATCH 4/5] meson: Add -Wformat-overflow=2 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260125-nvme-v1-4-0658c31fade9@rsg.ci.i.u-tokyo.ac.jp> References: <20260125-nvme-v1-0-0658c31fade9@rsg.ci.i.u-tokyo.ac.jp> In-Reply-To: <20260125-nvme-v1-0-0658c31fade9@rsg.ci.i.u-tokyo.ac.jp> To: qemu-devel@nongnu.org Cc: Viktor Prutyanov , Alex Williamson , =?utf-8?q?C=C3=A9dric_Le_Goater?= , Markus Armbruster , Michael Roth , Paolo Bonzini , =?utf-8?q?Marc-Andr=C3=A9_Lureau?= , =?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Keith Busch , Klaus Jensen , Jesper Devantier , qemu-block@nongnu.org, Akihiko Odaki X-Mailer: b4 0.15-dev-179e8 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=49.212.243.89; envelope-from=odaki@rsg.ci.i.u-tokyo.ac.jp; helo=www3579.sakura.ne.jp X-Spam_score_int: -16 X-Spam_score: -1.7 X-Spam_bar: - X-Spam_report: (-1.7 / 5.0 requ) BAYES_00=-1.9, DKIM_INVALID=0.1, DKIM_SIGNED=0.1, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no 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-ZM-MESSAGEID: 1769323566460158500 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 --- meson.build | 1 + 1 file changed, 1 insertion(+) diff --git a/meson.build b/meson.build index c58007291a8c..a7ccb7011f0a 100644 --- a/meson.build +++ b/meson.build @@ -729,6 +729,7 @@ warn_flags =3D [ '-Wempty-body', '-Wendif-labels', '-Wexpansion-to-defined', + '-Wformat-overflow=3D2', '-Wformat-security', '-Wformat-y2k', '-Wignored-qualifiers', --=20 2.52.0