From nobody Sat Apr 11 23:05:19 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 1772691543159587.1713755200211; Wed, 4 Mar 2026 22:19:03 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1vy225-0008S2-Tx; Thu, 05 Mar 2026 01:18:01 -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 1vy21n-0008CM-EI; Thu, 05 Mar 2026 01:17:45 -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 1vy21j-0002VW-UM; Thu, 05 Mar 2026 01:17:43 -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 6256HKcs066823 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Thu, 5 Mar 2026 15:17:24 +0900 (JST) (envelope-from odaki@rsg.ci.i.u-tokyo.ac.jp) DKIM-Signature: a=rsa-sha256; bh=FW1M35ADo1rOGTkjkUKBAtfBI7U6bavuPH5VmSHyiJw=; c=relaxed/relaxed; d=rsg.ci.i.u-tokyo.ac.jp; h=From:Message-Id:To:Subject:Date; s=rs20250326; t=1772691444; v=1; b=eloQDTmkDcdpTPIUPQgN0sk6Fh/C62wx9MCo/qY8Vbm9ju3pjWiv9Um25BFuMcpO cIZ03kRx7wiYp72LnwSS7ZQYEPCOri3/DvmWaBNxSHfnciyFro2veFEMw1dOjE+Z oFRqOE3I0whWXtXmw2b3ltdV6Wh8MwUZfcqwKY/8+fXlAyj0kWshUa2d1rw5I68L FCsDKpkCyCJU8inR535G6iGxGWdszNaSXSJgoK3ZcXaReyyNlAkKss/YrDXF+tJ4 mg4oUxR0iTwlrQA7kmLPP/k25n2i7x5/BL4YvAXuX04NVFTimxeP1l2cnlIYw7oR 9yAkMQfeYhG7YBJE3k7cFg== From: Akihiko Odaki Date: Thu, 05 Mar 2026 15:16:47 +0900 Subject: [PATCH v4 4/4] meson: Add -Wformat-overflow=2 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260305-nvme-v4-4-b65b9de1839f@rsg.ci.i.u-tokyo.ac.jp> References: <20260305-nvme-v4-0-b65b9de1839f@rsg.ci.i.u-tokyo.ac.jp> In-Reply-To: <20260305-nvme-v4-0-b65b9de1839f@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-5ab4c 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: 4 X-Spam_score: 0.4 X-Spam_bar: / X-Spam_report: (0.4 / 5.0 requ) BAYES_00=-1.9, DKIM_INVALID=0.1, DKIM_SIGNED=0.1, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.703, RCVD_IN_VALIDITY_SAFE_BLOCKED=1.386, 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: 1772691545081154100 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 --- meson.build | 1 + 1 file changed, 1 insertion(+) diff --git a/meson.build b/meson.build index 414c8ea7e280..cf50bc492f9c 100644 --- a/meson.build +++ b/meson.build @@ -692,6 +692,7 @@ warn_flags =3D [ '-Wempty-body', '-Wendif-labels', '-Wexpansion-to-defined', + '-Wformat-overflow=3D2', '-Wformat-security', '-Wformat-y2k', '-Wignored-qualifiers', --=20 2.53.0