From nobody Wed Feb 11 04:38:55 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 1769323504300825.6892826241108; Sat, 24 Jan 2026 22:45:04 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1vjtqm-0003Gg-1M; Sun, 25 Jan 2026 01:43:56 -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 1vjtqb-000373-Gk; 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-0001OB-JC; Sun, 25 Jan 2026 01:43:45 -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 60P6h74d079417 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Sun, 25 Jan 2026 15:43:17 +0900 (JST) (envelope-from odaki@rsg.ci.i.u-tokyo.ac.jp) DKIM-Signature: a=rsa-sha256; bh=6oD1SgDIum0e6/mODyNZwlTNufZA5BPZ4Wu9oa12wug=; c=relaxed/relaxed; d=rsg.ci.i.u-tokyo.ac.jp; h=From:Date:Subject:Message-Id:To; s=rs20250326; t=1769323397; v=1; b=vsz25Nz1O5eXyf2Vq+d/byB5ivFTTlkDKkWmH3ckHy0tWar9EPSkpbmd5g2nWQFA Y1Y08KQqnUn4bM1o/oIQVrddv7p2HWEiJM+ELQGpCuqWNPJIfFMV+mt5AC4pRDaE TjiybavNJouBS08kloBKdRZjdwp9RvFz3t9QHvte5U9A7kzrvRiJ6c7Z8Adh/pFJ UgjrLWnysE/q6rePUj2dwZEyd0pELnzH4lqkOGNQAWJjllSnGmde3ELDUhXS8a6K Fucnvw5yZgmLGzYITfn/gv3l0UXgYJxR8N3G4CU/09GooPvP8X/z+hnBKkZDmSDw Bt5GK0iO8gKyYzxO/C4SJQ== From: Akihiko Odaki Date: Sun, 25 Jan 2026 15:42:44 +0900 Subject: [PATCH 2/5] 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: <20260125-nvme-v1-2-0658c31fade9@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: 1769323507013154100 Ensure the buffer in vfio_pci_host_match() will not overflow even when an invalid addr parameter is provided. Signed-off-by: Akihiko Odaki --- 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 c73447272141..3338c4d7b528 100644 --- a/hw/vfio/pci.c +++ b/hw/vfio/pci.c @@ -2673,7 +2673,7 @@ 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 2.52.0