From patchwork Thu Jan 25 02:39:18 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiubo Li X-Patchwork-Id: 765990 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 66AC263AC for ; Thu, 25 Jan 2024 02:41:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.129.124 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706150515; cv=none; b=o/ZaaQKbbncz55Yq1WCHsg+80ggD+oBoiLQWwhMYVAyWdbrT/SA0pI7RhCIuUQgCCFwNgl+Ej1C/stZPYrqeSiISCt2eS8WKCu0T42edSpH2KRs87kaIC42RfPrNtDI/kElXQniXz0R6t3srsRkeAMYFR9n5GR+Xi4NCOnxJAng= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706150515; c=relaxed/simple; bh=IHYsgSOWnz3AqF1oHglM6/zKtBA+WuJ53ti9VXMbn84=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=joT4RkdmnkNpEEuk+4FLXsNG/6olZ812OIGdwSn/dFMRMbd4VmqLP9T2J6q8nWfW4Cn4UJfs/NLxc1suSrDoo8DSk4D7iC7bZdy8byXiM3LwxvOrOMzdMz/EzY819NQOZaRcbek6xRNr7giAbFmOojc5JuAFQBYJg/ambZ0pc8Q= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=Q0Tdwr0Z; arc=none smtp.client-ip=170.10.129.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="Q0Tdwr0Z" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1706150510; 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=NtrCBwqyiF9ekzdXGiCcwRLv0pw+n45ALzZ7u7xYJFI=; b=Q0Tdwr0ZeCfXIDfJAV/yegUF47LMvPS7z/5xN6swh+a1AK65NdBUkcTGqk01XGQ4tThIlE vfsVbgrItRWYJVPQNCH/+KD0RXBUK9DTNYhhCKEsF1UUYaUi7MAj03/KU2pRAHsdLU7bRu 4kjMehR11s6MzIRw3IpHa83iFWEryY0= Received: from mimecast-mx02.redhat.com (mx-ext.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-363-IyWrXqBrO_eCwgivqTPzqQ-1; Wed, 24 Jan 2024 21:41:47 -0500 X-MC-Unique: IyWrXqBrO_eCwgivqTPzqQ-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.rdu2.redhat.com [10.11.54.6]) (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 mimecast-mx02.redhat.com (Postfix) with ESMTPS id F0803380627C; Thu, 25 Jan 2024 02:41:46 +0000 (UTC) Received: from li-a71a4dcc-35d1-11b2-a85c-951838863c8d.ibm.com.com (unknown [10.72.112.211]) by smtp.corp.redhat.com (Postfix) with ESMTP id 1A3222166B33; Thu, 25 Jan 2024 02:41:43 +0000 (UTC) From: xiubli@redhat.com To: ceph-devel@vger.kernel.org Cc: idryomov@gmail.com, jlayton@kernel.org, vshankar@redhat.com, mchangir@redhat.com, Xiubo Li Subject: [PATCH v6 1/3] libceph: fail the sparse-read if the data length doesn't match Date: Thu, 25 Jan 2024 10:39:18 +0800 Message-ID: <20240125023920.1287555-2-xiubli@redhat.com> In-Reply-To: <20240125023920.1287555-1-xiubli@redhat.com> References: <20240125023920.1287555-1-xiubli@redhat.com> Precedence: bulk X-Mailing-List: ceph-devel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.6 From: Xiubo Li Once this happens that means there have bugs. URL: https://tracker.ceph.com/issues/63586 Signed-off-by: Xiubo Li Reviewed-by: Jeff Layton --- net/ceph/osd_client.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c index 9be80d01c1dc..837b69541376 100644 --- a/net/ceph/osd_client.c +++ b/net/ceph/osd_client.c @@ -5857,8 +5857,8 @@ static int osd_sparse_read(struct ceph_connection *con, struct ceph_osd *o = con->private; struct ceph_sparse_read *sr = &o->o_sparse_read; u32 count = sr->sr_count; - u64 eoff, elen; - int ret; + u64 eoff, elen, len = 0; + int i, ret; switch (sr->sr_state) { case CEPH_SPARSE_READ_HDR: @@ -5909,6 +5909,13 @@ static int osd_sparse_read(struct ceph_connection *con, /* Convert sr_datalen to host-endian */ sr->sr_datalen = le32_to_cpu((__force __le32)sr->sr_datalen); sr->sr_state = CEPH_SPARSE_READ_DATA; + for (i = 0; i < count; i++) + len += sr->sr_extent[i].len; + if (sr->sr_datalen != len) { + pr_warn_ratelimited("data len %u != extent len %llu\n", + sr->sr_datalen, len); + return -EREMOTEIO; + } fallthrough; case CEPH_SPARSE_READ_DATA: if (sr->sr_index >= count) {