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Wed, 22 Oct 2025 10:44:39 +0200 (CEST) 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= X-MC-Unique: f8-BmydoNeC1KZ0B_XuFdA-1 X-Mimecast-MFC-AGG-ID: f8-BmydoNeC1KZ0B_XuFdA_1761122687 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: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.93 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; 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charset="utf-8" Signed-off-by: Gerd Hoffmann Reviewed-by: Luigi Leonardi Reviewed-by: Stefano Garzarella --- 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, =20 retval =3D ctx->cgsc->get_mem_map_entry(entry, &cgmm_entry, er= rp); while (retval =3D=3D 0) { - if (entry > max_entry_count) { + if (entry >=3D max_entry_count) { error_setg( errp, "IGVM: guest memory map size exceeds parameter are= a defined in IGVM file"); --=20 2.51.0