Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932547AbbBBC4w (ORCPT ); Sun, 1 Feb 2015 21:56:52 -0500 Received: from linuxhacker.ru ([217.76.32.60]:59801 "EHLO fiona.linuxhacker.ru" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1755050AbbBBCxJ (ORCPT ); Sun, 1 Feb 2015 21:53:09 -0500 From: green@linuxhacker.ru To: Greg Kroah-Hartman , devel@driverdev.osuosl.org, Andreas Dilger Cc: Linux Kernel Mailing List , Li Xi , Jian Yu , Oleg Drokin Subject: [PATCH 04/20] staging/lustre/libcfs: fix illegal page access of tracefiled() Date: Sun, 1 Feb 2015 21:52:03 -0500 Message-Id: <1422845539-26742-5-git-send-email-green@linuxhacker.ru> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1422845539-26742-1-git-send-email-green@linuxhacker.ru> References: <1422845539-26742-1-git-send-email-green@linuxhacker.ru> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1317 Lines: 37 From: Li Xi After failure happens and put_pages_back() returns the pages, tracefiled() should not go on itering on the page list. Otherwise, some pages might be accessed illegally. Signed-off-by: Li Xi Signed-off-by: Jian Yu Reviewed-on: http://review.whamcloud.com/11454 Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-5126 Reviewed-by: Emoly Liu Reviewed-by: Niu Yawei Signed-off-by: Oleg Drokin --- drivers/staging/lustre/lustre/libcfs/tracefile.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/staging/lustre/lustre/libcfs/tracefile.c b/drivers/staging/lustre/lustre/libcfs/tracefile.c index d18de04..eb65b50 100644 --- a/drivers/staging/lustre/lustre/libcfs/tracefile.c +++ b/drivers/staging/lustre/lustre/libcfs/tracefile.c @@ -1037,6 +1037,7 @@ static int tracefiled(void *arg) tage->used, rc); put_pages_back(&pc); __LASSERT(list_empty(&pc.pc_pages)); + break; } } MMSPACE_CLOSE; -- 2.1.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/