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Colin Ian King bf18fd89f9 void integer overflow on computation of refquota_slack 
DMU_MAX_ACCESS should be cast to a uint64_t otherwise the
multiplication of DMU_MAX_ACCESS with spa_asize_inflation will
be 32 bit and may lead to an overflow. Currently DMU_MAX_ACCESS
is 64 * 1024 * 1024, so spa_asize_inflation being 64 or more will
lead to an overflow.

Found by static analysis with CoverityScan 0.8.5

CID 150942 (#1 of 1): Unintentional integer overflow
  (OVERFLOW_BEFORE_WIDEN)
overflow_before_widen: Potentially overflowing expression
  67108864 * spa_asize_inflation with type int (32 bits, signed)
  is evaluated using 32-bit arithmetic, and then used in a context
  that expects an expression of type uint64_t (64 bits, unsigned).

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #4889
2016-07-27 13:38:46 -07:00
cmd Multi-thread 'zpool import' for blkid 2016-07-27 13:38:46 -07:00
config Fix sync behavior for disk vdevs 2016-07-25 14:24:47 -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 Limit the amount of dnode metadata in the ARC 2016-07-25 15:26:38 -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 void integer overflow on computation of refquota_slack 2016-07-27 13:38:46 -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 Fixes for issues found with cppcheck tool 2016-07-27 13:31:22 -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

README.markdown

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