PR/50664 CVS commit: src/sys/nfs

["Juergen Hannken-Illjes" <hannken%netbsd.org@localhost>]

The following reply was made to PR kern/50664; it has been noted by GNATS.

From: "Juergen Hannken-Illjes" <hannken%netbsd.org@localhost>
To: gnats-bugs%gnats.NetBSD.org@localhost
Cc: 
Subject: PR/50664 CVS commit: src/sys/nfs
Date: Tue, 19 Jan 2016 10:57:00 +0000

 Module Name:	src
 Committed By:	hannken
 Date:		Tue Jan 19 10:57:00 UTC 2016
 
 Modified Files:
 	src/sys/nfs: nfs_vnops.c
 
 Log Message:
 Return an error if NFSPROC_LOOKUP returns the file handle of the current
 directory.  Treating it as DOT lookup would put garbage into the name
 cache and could panic on future lookups.
 
 Seen with ZFS file system exported from OmniOS, an OpenSolaris derivative.
 
 Fixes PR kern/50664 "cd .." over NFS/ZFS can panic kernel
 
 
 To generate a diff of this commit:
 cvs rdiff -u -r1.308 -r1.309 src/sys/nfs/nfs_vnops.c
 
 Please note that diffs are not public domain; they are subject to the
 copyright notices on the relevant files.