Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752539AbXA2Trw (ORCPT ); Mon, 29 Jan 2007 14:47:52 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752544AbXA2Trw (ORCPT ); Mon, 29 Jan 2007 14:47:52 -0500 Received: from mail-gw2.sa.eol.hu ([212.108.200.109]:43377 "EHLO mail-gw2.sa.eol.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752539AbXA2Trv (ORCPT ); Mon, 29 Jan 2007 14:47:51 -0500 To: torvalds@osdl.org CC: akpm@osdl.org, linux-kernel@vger.kernel.org Subject: [PATCH] fuse: fix bug in control filesystem mount Message-Id: From: Miklos Szeredi Date: Mon, 29 Jan 2007 20:47:32 +0100 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1163 Lines: 36 Linus, please apply before 2.6.20. Thanks. The BUG in fuse_ctl_add_dentry() could be triggered if the control filesystem was unmounted and mounted again while one or more fuse filesystems were present. The fix is to reset the dentry counter in fuse_ctl_kill_sb(). Bug reported by Florent Mertens. Signed-off-by: Miklos Szeredi --- Index: linux/fs/fuse/control.c =================================================================== --- linux.orig/fs/fuse/control.c 2007-01-29 20:40:50.000000000 +0100 +++ linux/fs/fuse/control.c 2007-01-29 20:40:52.000000000 +0100 @@ -193,8 +193,12 @@ static int fuse_ctl_get_sb(struct file_s static void fuse_ctl_kill_sb(struct super_block *sb) { + struct fuse_conn *fc; + mutex_lock(&fuse_mutex); fuse_control_sb = NULL; + list_for_each_entry(fc, &fuse_conn_list, entry) + fc->ctl_ndents = 0; mutex_unlock(&fuse_mutex); kill_litter_super(sb); - 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/