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heary-cao 9f3d1407dc Fix zfs_allow_log_destroy() NULL dereference
In zfs_ioc_log_history() function the tsd_set() function is called
with NULL which causes the zfs_allow_log_destroy() to be run.  In
this case the passed value will be NULL.  This is normally entirely
safe because strfree() maps directly to kfree() which may be passed
a NULL.  However, since alternate implementations of strfree() may
not handle this gracefully add a check for NULL.

Observed under an embedded Linux 2.6.32.41 kernel running the
automated testing while running the ZFS Test Suite.

Signed-off-by: caoxuewen <cao.xuewen@zte.com.cn>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #4872
2016-07-29 15:34:12 -07:00
cmd Fix zdb crash with 4K-only devices 2016-07-27 13:38:46 -07:00
config Linux 4.8 compat: submit_bio() 2016-07-29 14:48:00 -07:00
contrib Fix the test to use the variable 2016-05-13 20:44:03 -07:00
etc Systemd configuration fixes 2016-05-27 11:54:29 -07:00
include Linux 4.8 compat: REQ_OP and bio_set_op_attrs() 2016-07-29 14:48:19 -07:00
lib Multi-thread 'zpool import' for blkid 2016-07-27 13:38:46 -07:00
man Limit the amount of dnode metadata in the ARC 2016-07-25 15:26:38 -07:00
module Fix zfs_allow_log_destroy() NULL dereference 2016-07-29 15:34:12 -07:00
rpm Add missing RPM BuildRequires 2016-05-23 10:33:42 -07:00
scripts zloop: print backtrace from core files 2016-07-25 11:47:21 -07:00
tests Enable history test cases 2016-07-27 13:38:46 -07:00
udev Add zfs allow and zfs unallow support 2016-06-07 09:16:52 -07:00
.gitignore Illumos Crypto Port module added to enable native encryption in zfs 2016-07-20 10:43:30 -07:00
.gitmodules Add zimport.sh compatibility test script 2014-02-21 12:10:31 -08:00
AUTHORS Add a missing > to AUTHORS 2014-09-02 14:18:53 -07:00
autogen.sh build: do not call boilerplate ourself 2013-04-02 10:55:20 -07:00
configure.ac Illumos Crypto Port module added to enable native encryption in zfs 2016-07-20 10:43:30 -07:00
copy-builtin Illumos Crypto Port module added to enable native encryption in zfs 2016-07-20 10:43:30 -07:00
COPYRIGHT Update ZED copyright boilerplate 2015-05-11 15:07:00 -07:00
DISCLAIMER Fix minor typos and update marketing copy. 2013-03-21 12:51:06 -07:00
Makefile.am Add the ZFS Test Suite 2016-03-16 13:46:16 -07:00
META Tag zfs-0.6.5 2015-09-11 11:16:38 -07:00
OPENSOLARIS.LICENSE Add CDDL license file 2008-12-01 14:49:34 -08:00
README.markdown Fix minor typos and update marketing copy. 2013-03-21 12:51:06 -07:00
TEST Add the ZFS Test Suite 2016-03-16 13:46:16 -07:00
zfs-script-config.sh.in Illumos Crypto Port module added to enable native encryption in zfs 2016-07-20 10:43:30 -07:00
zfs.release.in Move zfs.release generation to configure step 2012-07-12 12:22:51 -07:00

Native ZFS for Linux!

ZFS is an advanced file system and volume manager which was originally developed for Solaris and is now maintained by the Illumos community.

ZFS on Linux, which is also known as ZoL, is currently feature complete. It includes fully functional and stable SPA, DMU, ZVOL, and ZPL layers.

Full documentation for installing ZoL on your favorite Linux distribution can be found at: http://zfsonlinux.org