From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C973DCCD195 for ; Wed, 22 Oct 2025 08:46:15 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1vBUSp-00017H-8b; Wed, 22 Oct 2025 04:44:59 -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 1vBUSk-00016o-JI for qemu-devel@nongnu.org; Wed, 22 Oct 2025 04:44:54 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vBUSi-0006jk-R7 for qemu-devel@nongnu.org; Wed, 22 Oct 2025 04:44:54 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1761122691; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=oK4tMACLr7ZGG4TcoGnKHpQhrPD/YeyX3lPt+FRIloM=; b=GcsQkRrlo2R6Z1c86cW+r0qN6mdvjqeNV3ks+MibmETi/FYSfvV7hkFUuqxfJK8vqqQbbm MMKsuy0Fo9Vxwz9iCwlFGQfrI5e1Y66hFv9z5fElFwMyfobBXk8L9Rvivdl0j/fKsMlQxC 975/sbhL3lWC45AXvKOJZFloe6ZNNoo= Received: from mx-prod-mc-03.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-253-f8-BmydoNeC1KZ0B_XuFdA-1; Wed, 22 Oct 2025 04:44:48 -0400 X-MC-Unique: f8-BmydoNeC1KZ0B_XuFdA-1 X-Mimecast-MFC-AGG-ID: f8-BmydoNeC1KZ0B_XuFdA_1761122687 Received: from mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.93]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 3EE4C1955D94; Wed, 22 Oct 2025 08:44:47 +0000 (UTC) Received: from sirius.home.kraxel.org (unknown [10.44.32.27]) by mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 01531180059F; Wed, 22 Oct 2025 08:44:45 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id D4AFE18003AA; Wed, 22 Oct 2025 10:44:39 +0200 (CEST) From: Gerd Hoffmann To: qemu-devel@nongnu.org Cc: Stefano Garzarella , Paolo Bonzini , Ani Sinha , Luigi Leonardi , Gerd Hoffmann , Zhao Liu , Roy Hopkins Subject: [PATCH v4 2/5] igvm: fix off by one bug in memmap entry count checking Date: Wed, 22 Oct 2025 10:44:36 +0200 Message-ID: <20251022084439.242476-3-kraxel@redhat.com> In-Reply-To: <20251022084439.242476-1-kraxel@redhat.com> References: <20251022084439.242476-1-kraxel@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.93 Received-SPF: pass client-ip=170.10.129.124; envelope-from=kraxel@redhat.com; helo=us-smtp-delivery-124.mimecast.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, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_PASS=-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: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Signed-off-by: Gerd Hoffmann --- backends/igvm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/backends/igvm.c b/backends/igvm.c index 723d45b755a0..055bbba745ad 100644 --- a/backends/igvm.c +++ b/backends/igvm.c @@ -567,7 +567,7 @@ static int qigvm_directive_memory_map(QIgvm *ctx, const uint8_t *header_data, retval = ctx->cgsc->get_mem_map_entry(entry, &cgmm_entry, errp); while (retval == 0) { - if (entry > max_entry_count) { + if (entry >= max_entry_count) { error_setg( errp, "IGVM: guest memory map size exceeds parameter area defined in IGVM file"); -- 2.51.0