From nobody Sun Apr 12 00:58:03 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 1772605815388725.9013544410608; Tue, 3 Mar 2026 22:30:15 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1vxfjc-00005D-BF; Wed, 04 Mar 2026 01:29:28 -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 1vxfjN-0008Fg-7Z; Wed, 04 Mar 2026 01:29:14 -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 1vxfjE-000583-K5; Wed, 04 Mar 2026 01:29:12 -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 6246SbBO071191 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Wed, 4 Mar 2026 15:28:44 +0900 (JST) (envelope-from odaki@rsg.ci.i.u-tokyo.ac.jp) DKIM-Signature: a=rsa-sha256; bh=zEGuWpwSPorKgdOr8uqnGxj5GoiSbQsHVJNvDM8QBj0=; c=relaxed/relaxed; d=rsg.ci.i.u-tokyo.ac.jp; h=From:Message-Id:To:Subject:Date; s=rs20250326; t=1772605724; v=1; b=YBNTs8rQy9azmep5P1sotMZElqJ6Ak5Es/EiAMa/HLH+QKff4GOC1PREjtov+ZYp y1RzCw8ysVL5gx67QBa2pQ6h1BCuPaBP9CUyDYnjEid5L7+XxGqouvznvTFiSGHk cJpGJ/HOTwaCc/kgekiYth31orOWF+HgMf7n0JamAT4jcWfeL9a5uR24DXeWCdN0 FCKgja46SJLMJKKQkC1u+d+R1C0i1dB9ONT89eeL/gpun2279qkjDDMfsZ0XJsec xw5D5KMcP3bUvm8iAL+ODjWZTZhojcKx4UbWRivttQnWr+yMpixmox+OIiLRyMtb /R4SiXv5eL1vgD3Bdz5xsA== From: Akihiko Odaki Date: Wed, 04 Mar 2026 15:28:34 +0900 Subject: [PATCH v3 2/4] vfio/pci: Grow buffer in vfio_pci_host_match() MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260304-nvme-v3-2-bbb1b7fd2d0b@rsg.ci.i.u-tokyo.ac.jp> References: <20260304-nvme-v3-0-bbb1b7fd2d0b@rsg.ci.i.u-tokyo.ac.jp> In-Reply-To: <20260304-nvme-v3-0-bbb1b7fd2d0b@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 , Alex Williamson 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: -1 X-Spam_score: -0.2 X-Spam_bar: / X-Spam_report: (-0.2 / 5.0 requ) BAYES_00=-1.9, DKIM_INVALID=0.1, DKIM_SIGNED=0.1, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.322, RCVD_IN_VALIDITY_SAFE_BLOCKED=1.141, 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: 1772605817352158500 Each field of PCIHostDeviceAddress is an unsigned int, therefore while a valid address is limited to 13 characters, an invalid address could exceed the specified format, up to: ffffffff:ffffffff:ffffffff.ffffffff This requires 36 characters with the terminator. Signed-off-by: Akihiko Odaki Reviewed-by: Alex Williamson --- hw/vfio/pci.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c index c89f3fbea348..94c174a773fb 100644 --- a/hw/vfio/pci.c +++ b/hw/vfio/pci.c @@ -2739,7 +2739,7 @@ void vfio_pci_post_reset(VFIOPCIDevice *vdev) =20 bool vfio_pci_host_match(PCIHostDeviceAddress *addr, const char *name) { - char tmp[13]; + char tmp[36]; =20 sprintf(tmp, "%04x:%02x:%02x.%1x", addr->domain, addr->bus, addr->slot, addr->function); --=20 2.53.0