From patchwork Fri Dec 8 04:33:04 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiubo Li X-Patchwork-Id: 13484760 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="GnWeDzOK" Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7F7831720 for ; Thu, 7 Dec 2023 20:34:09 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1702010048; 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=ULBg+Xts6xLVxY1zqrdd6exvruwenCwULOJ/Ux+qrEc=; b=GnWeDzOKC4Wm/LJPKSE/qYMOdOXETx87C/kgrycAxY2OVf8HxXTbJ4yci733MfKUEt4Hqn H3mfrji4H9eKVSQUmTJLLlqAGTd9qPQAp/EflJqMqbTrZ4Lw/bjWtFY0mCzu4LNcA2SCw8 R8XmrLzEqC2UCDbZ+vtmOUtYABcwvHA= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-638-D-t3vxhHMRC3Jjn6qwIypg-1; Thu, 07 Dec 2023 23:34:03 -0500 X-MC-Unique: D-t3vxhHMRC3Jjn6qwIypg-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 2C4451014706; Fri, 8 Dec 2023 04:34:03 +0000 (UTC) Received: from li-a71a4dcc-35d1-11b2-a85c-951838863c8d.ibm.com.com (unknown [10.72.112.27]) by smtp.corp.redhat.com (Postfix) with ESMTP id DCC8E2166B35; Fri, 8 Dec 2023 04:33:59 +0000 (UTC) From: xiubli@redhat.com To: idryomov@gmail.com, ceph-devel@vger.kernel.org Cc: jlayton@kernel.org, vshankar@redhat.com, mchangir@redhat.com, Xiubo Li Subject: [PATCH 1/2] libceph: fail the sparse-read if there still has data in socket Date: Fri, 8 Dec 2023 12:33:04 +0800 Message-ID: <20231208043305.91249-2-xiubli@redhat.com> In-Reply-To: <20231208043305.91249-1-xiubli@redhat.com> References: <20231208043305.91249-1-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 | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c index 5753036d1957..848ef19055a0 100644 --- a/net/ceph/osd_client.c +++ b/net/ceph/osd_client.c @@ -5912,10 +5912,12 @@ static int osd_sparse_read(struct ceph_connection *con, fallthrough; case CEPH_SPARSE_READ_DATA: if (sr->sr_index >= count) { - if (sr->sr_datalen && count) + if (sr->sr_datalen) { pr_warn_ratelimited("sr_datalen %u sr_index %d count %u\n", sr->sr_datalen, sr->sr_index, count); + return -EREMOTEIO; + } sr->sr_state = CEPH_SPARSE_READ_HDR; goto next_op;