From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752118AbbJTBDt (ORCPT ); Mon, 19 Oct 2015 21:03:49 -0400 Received: from mail.kernel.org ([198.145.29.136]:54409 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752698AbbJTAte (ORCPT ); Mon, 19 Oct 2015 20:49:34 -0400 From: lizf@kernel.org To: stable@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Trond Myklebust , Zefan Li Subject: [PATCH 3.4 19/65] SUNRPC: Fix a memory leak in the backchannel code Date: Tue, 20 Oct 2015 08:47:29 +0800 Message-Id: <1445302095-4695-19-git-send-email-lizf@kernel.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1445302030-4607-1-git-send-email-lizf@kernel.org> References: <1445302030-4607-1-git-send-email-lizf@kernel.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Trond Myklebust 3.4.110-rc1 review patch. If anyone has any objections, please let me know. ------------------ commit 88de6af24f2b48b06c514d3c3d0a8f22fafe30bd upstream. req->rq_private_buf isn't initialised when xprt_setup_backchannel calls xprt_free_allocation. Fixes: fb7a0b9addbdb ("nfs41: New backchannel helper routines") Signed-off-by: Trond Myklebust [lizf: Backported to 3.4: adjust context] Signed-off-by: Zefan Li --- net/sunrpc/backchannel_rqst.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/sunrpc/backchannel_rqst.c b/net/sunrpc/backchannel_rqst.c index 31def68..617b955 100644 --- a/net/sunrpc/backchannel_rqst.c +++ b/net/sunrpc/backchannel_rqst.c @@ -60,7 +60,7 @@ static void xprt_free_allocation(struct rpc_rqst *req) dprintk("RPC: free allocations for req= %p\n", req); BUG_ON(test_bit(RPC_BC_PA_IN_USE, &req->rq_bc_pa_state)); - xbufp = &req->rq_private_buf; + xbufp = &req->rq_rcv_buf; free_page((unsigned long)xbufp->head[0].iov_base); xbufp = &req->rq_snd_buf; free_page((unsigned long)xbufp->head[0].iov_base); -- 1.9.1