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1f0d8a566f
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Gunnar Beutner 1f0d8a566f Fixed a NULL pointer dereference bug in zfs_preumount 
When zpl_fill_super -> zfs_domount fails (e.g. because the dataset
was destroyed before it could be successfully mounted) the subsequent
call to zpl_kill_sb -> zfs_preumount would derefence a NULL pointer.

This bug can be reproduced using this shell script:

 #!/bin/sh
 (
 while true; do
 	zfs create -o mountpoint=legacz tank/bar
 	zfs destroy tank/bar
 done
 ) &

 (
 while true; do
 	mount -t zfs tank/bar /mnt
 	umount /mnt
 done
 ) &

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #639
2012-04-05 11:29:42 -07:00
cmd Print human readable error message for ENOENT 2012-04-03 10:24:34 -07:00
config Fix executable permissions 2012-03-26 11:52:44 -07:00
dracut Add --enable-debug-dmu-tx configure option 2012-03-23 12:25:17 -07:00
etc Make Gentoo initscript use modinfo 2012-04-03 10:37:18 -07:00
include Add --enable-debug-dmu-tx configure option 2012-03-23 12:25:17 -07:00
lib Add --enable-debug-dmu-tx configure option 2012-03-23 12:25:17 -07:00
man Add --enable-debug-dmu-tx configure option 2012-03-23 12:25:17 -07:00
module Fixed a NULL pointer dereference bug in zfs_preumount 2012-04-05 11:29:42 -07:00
patches Add build system 2010-08-31 13:41:27 -07:00
scripts Add --enable-debug-dmu-tx configure option 2012-03-23 12:25:17 -07:00
udev Add --enable-debug-dmu-tx configure option 2012-03-23 12:25:17 -07:00
.gitignore Ignore unsigned module build products 2010-03-09 14:14:09 -08:00
AUTHORS Add "ashift" property to zpool create 2011-06-17 16:35:49 -07:00
autogen.sh Make autogen.sh executable 2011-07-26 10:15:35 -07:00
ChangeLog Add build system 2010-08-31 13:41:27 -07:00
configure Add --enable-debug-dmu-tx configure option 2012-03-23 12:25:17 -07:00
configure.ac Add --enable-debug-dmu-tx configure option 2012-03-23 12:25:17 -07:00
COPYING Relocate COPYING+COPYRIGHT, remove README cruft 2008-12-01 15:34:53 -08:00
COPYRIGHT Update COPYRIGHT to reference zpios CDDL exceptions. 2010-05-18 14:25:28 -07:00
DISCLAIMER Update COPYRIGHT and DISCLAIMER. 2010-05-18 10:32:23 -07:00
Makefile.am Add the release component to headers 2012-01-18 12:19:47 -08:00
Makefile.in Add --enable-debug-dmu-tx configure option 2012-03-23 12:25:17 -07:00
META ZFS 0.6.0-rc8 2012-03-26 11:55:32 -07:00
OPENSOLARIS.LICENSE Add CDDL license file 2008-12-01 14:49:34 -08:00
PKGBUILD-zfs-modules.in Add make rule for building Arch Linux packages 2011-12-14 19:14:23 -08:00
PKGBUILD-zfs.in Add make rule for building Arch Linux packages 2011-12-14 19:14:23 -08:00
README.markdown Fix markdown rendering 2010-09-15 09:09:37 -07:00
zfs_config.h.in Add --enable-debug-dmu-tx configure option 2012-03-23 12:25:17 -07:00
zfs-modules.spec.in Add --enable-debug-dmu-tx configure option 2012-03-23 12:25:17 -07:00
zfs-script-config.sh.in Unconditionally load core kernel modules 2010-11-11 11:38:25 -08:00
ZFS.RELEASE Update to onnv_147 2010-08-26 14:24:34 -07:00
zfs.spec.in Fix rpm dependencies 2012-01-18 12:19:52 -08:00

README.markdown

Native ZFS for Linux! ZFS is an advanced file system and volume manager which was originally developed for Solaris. It has been successfully ported to FreeBSD and now there is a functional Linux ZFS kernel port too. The port currently includes a fully functional and stable SPA, DMU, and ZVOL with a ZFS Posix Layer (ZPL) on the way!

$ ./configure
$ make pkg

Full documentation for building, configuring, and using ZFS can be found at: http://zfsonlinux.org