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Paulo Flabiano Smorigo 89bdab9658 zfs: Fix resource leaks while constructing path
There are several exit points in dnode_get_path() that are causing possible
memory leaks.

In the while(1) the correct exit mechanism should not be to do a direct return,
but to instead break out of the loop, setting err first if it is not already set.

The reason behind this is that the dnode_path is a linked list, and while doing
through this loop, it is being allocated and built up - the only way to
correctly unravel it is to traverse it, which is what is being done at the end
of the function outside of the loop.

Several of the existing exit points correctly did a break, but not all so this
change makes that more consistent and should resolve the leaking of memory as
found by Coverity.

Fixes: CID 73741

Signed-off-by: Paulo Flabiano Smorigo <pfsmorigo@canonical.com>
Signed-off-by: Darren Kenny <darren.kenny@oracle.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
2021-03-02 15:54:16 +01:00
asm-tests asm-tests/i386-pc: Check that movl is 5 bytes. 2016-09-28 20:31:04 +03:00
conf gnulib/regcomp: Fix uninitialized re_token 2021-03-02 15:54:16 +01:00
docs docs: Document the cutmem command 2021-03-02 15:54:15 +01:00
grub-core zfs: Fix resource leaks while constructing path 2021-03-02 15:54:16 +01:00
include usb: Avoid possible out-of-bound accesses caused by malicious devices 2021-03-02 15:54:15 +01:00
po po: Fix replacement of %m in sed programs 2020-03-10 21:32:09 +01:00
tests tests: F2FS test should use MOUNTDEVICE like other tests 2020-09-18 22:31:30 +02:00
themes/starfield Starfield theme. 2012-02-23 17:21:38 +01:00
unicode * unicode: Import Unicode 6.0 data. 2011-12-25 16:17:25 +01:00
util disk: Rename grub_disk_get_size() to grub_disk_native_sectors() 2020-12-12 01:19:03 +01:00
.gitattributes gitattributes: Mark po/exclude.pot as binary so git won't try to diff nonprintables 2019-09-23 13:17:15 +02:00
.gitignore gitignore: Add a few forgotten file patterns 2020-05-15 15:06:21 +02:00
.travis.yml travis: Run bootstrap to fix build 2020-09-18 22:31:30 +02:00
acinclude.m4 Fix -nopie/-nopie check. 2017-01-30 19:38:55 +01:00
AUTHORS 2005-09-03 Yoshinori K. Okuji <okuji@enbug.org> 2005-09-03 16:54:27 +00:00
autogen.sh autogen: Replace -iname with -ipath in find command 2020-05-15 15:35:59 +02:00
bootstrap gnulib: Upgrade Gnulib and switch to bootstrap tool 2019-03-05 10:48:12 +01:00
bootstrap.conf gnulib/regcomp: Fix uninitialized re_token 2021-03-02 15:54:16 +01:00
BUGS * BUGS: New file. 2011-01-11 00:06:01 +01:00
ChangeLog-2015 Autogenerate ChangeLog from git changelog. 2015-01-24 17:29:50 +01:00
config.h.in Remove libgcc dependency. 2015-03-03 20:50:37 +01:00
configure.ac INSTALL/configure: Update install doc and configure comment 2020-05-25 14:49:53 +02:00
COPYING 2007-07-22 Yoshinori K. Okuji <okuji@enbug.org> 2007-07-21 23:32:33 +00:00
coreboot.cfg * coreboot.cfg: Add missing file. 2013-11-20 00:52:23 +01:00
geninit.sh automake commit without merge history 2010-05-06 11:34:04 +05:30
gentpl.py build: Fix GRUB i386-pc build with Ubuntu gcc 2020-03-31 12:17:02 +02:00
INSTALL safemath: Add some arithmetic primitives that check for overflow 2020-07-29 16:55:47 +02:00
linguas.sh linguas: Don't skip ko.po. 2017-02-04 00:06:57 +01:00
Makefile.am Makefile: Make libgrub.pp depend on config-util.h 2020-03-10 21:39:53 +01:00
Makefile.util.def Makefile: Remove unused GRUB_PKGLIBDIR definition 2020-10-30 21:53:00 +01:00
NEWS Release 2.04 2019-07-04 15:57:30 +02:00
README README: Remove dead link to the wiki 2015-11-06 04:31:23 +01:00
THANKS 2009-12-11 Robert Millan <rmh.grub@aybabtu.com> 2009-12-11 22:44:47 +00:00
TODO TODO: Remove obsolete link 2016-02-12 17:51:52 +01:00

This is GRUB 2, the second version of the GRand Unified Bootloader.
GRUB 2 is rewritten from scratch to make GNU GRUB cleaner, safer, more
robust, more powerful, and more portable.

See the file NEWS for a description of recent changes to GRUB 2.

See the file INSTALL for instructions on how to build and install the
GRUB 2 data and program files.

Please visit the official web page of GRUB 2, for more information.
The URL is <http://www.gnu.org/software/grub/grub.html>.

More extensive documentation is available in the Info manual,
accessible using 'info grub' after building and installing GRUB 2.

There are a number of important user-visible differences from the
first version of GRUB, now known as GRUB Legacy. For a summary, please
see:

  info grub Introduction 'Changes from GRUB Legacy'