Bug 9536

Summary: BUG fs/dcache.c:595 in 2.4.24rc3-git3 during NFS umount
Product: File System Reporter: Rafael J. Wysocki (rjwysocki)
Component: NFSAssignee: Trond Myklebust (trondmy)
Status: CLOSED CODE_FIX    
Severity: normal CC: andi-bz
Priority: P1    
Hardware: All   
OS: Linux   
Kernel Version: 2.4.24rc3-git3 Subsystem:
Regression: Yes Bisected commit-id:
Bug Depends on:    
Bug Blocks: 9243    
Attachments: NFS: Fix an Oops in NFS unmount

Description Rafael J. Wysocki 2007-12-10 13:32:07 UTC 
Subject         : BUG fs/dcache.c:595 in 2.4.24rc3-git3 during NFS umount
Submitter       : Andi Kleen <ak@suse.de>
References      : http://lkml.org/lkml/2007/12/8/58
Handled-By      : Trond Myklebust <trond.myklebust@fys.uio.no>
Comment 1 Trond Myklebust 2007-12-11 18:55:40 UTC 
Created attachment 13988 [details]
NFS: Fix an Oops in NFS unmount

Ensure that the dummy 'root dentry' is invisible to d_find_alias(). If not,
then it may be spliced into the tree if a parent directory from the same
filesystem gets mounted at a later time.
Comment 2 Rafael J. Wysocki 2007-12-17 15:55:46 UTC 
Fixed by:

commit a10db50a4ae813fcb2f431f2fb039933c109a925
Author: Trond Myklebust <Trond.Myklebust@netapp.com>
Date:   Wed Dec 12 11:12:15 2007 -0500

    NFS: Fix an Oops in NFS unmount

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=a10db50a4ae813fcb2f431f2fb039933c109a925