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Libvirt provides a portable, long term stable C API for managing the virtualization technologies provided by many operating systems. It includes support for QEMU, KVM, Xen, LXC, bhyve, Virtuozzo, VMware vCenter and ESX, VMware Desktop, Hyper-V, VirtualBox and the POWER Hypervisor.
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8b9b6c2538
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Ján Tomko 8b9b6c2538 Plug leak in virCgroupMoveTask 
We only break out of the while loop if *content is an empty string.
However the buffer has been allocated to BUFSIZ + 1 (8193 in my case),
but it gets overwritten in the next for iteration.

Move VIR_FREE right before we overwrite it to avoid the leak.

==5777== 16,386 bytes in 2 blocks are definitely lost in loss record 1,022 of 1,027
==5777==    by 0x5296E28: virReallocN (viralloc.c:184)
==5777==    by 0x52B0C66: virFileReadLimFD (virfile.c:1137)
==5777==    by 0x52B0E1A: virFileReadAll (virfile.c:1199)
==5777==    by 0x529B092: virCgroupGetValueStr (vircgroup.c:534)
==5777==    by 0x529AF64: virCgroupMoveTask (vircgroup.c:1079)

Introduced by 83e4c77.

https://bugzilla.redhat.com/show_bug.cgi?id=978352
(cherry picked from commit 5bc8ecb8d1)
2013-06-26 17:21:07 +02:00
.gnulib@a363f4ed4a build: update to latest gnulib, for syntax-check 2013-05-10 20:52:57 -06:00
build-aux syntax-check: mandate space after mid-line semicolon 2013-05-28 08:26:05 -06:00
daemon build: cast [ug]id_t when printing 2013-05-30 10:36:16 -06:00
docs Release of libvirt 1.0.6 2013-06-03 12:09:56 +02:00
examples syntax: prefer space after semicolon in for loop 2013-05-28 07:56:07 -06:00
gnulib maint: use LGPL correctly 2013-05-20 14:03:48 -06:00
include Change virConnectDomainEventGraphicsCallback signature 2013-05-22 18:53:59 +02:00
m4 FreeBSD: disable buggy -fstack-protector-all 2013-05-15 15:20:52 -06:00
po Release of libvirt 1.0.6 2013-06-03 12:09:56 +02:00
python syntax: prefer space after semicolon in for loop 2013-05-28 07:56:07 -06:00
src Plug leak in virCgroupMoveTask 2013-06-26 17:21:07 +02:00
tests Storage: Fix the indention of rbd test file 2013-06-03 11:20:01 +08:00
tools virsh: edit: don't leak XML string on reedit or redefine 2013-06-26 17:20:40 +02:00
.dir-locals.el build: avoid tabs that failed syntax-check 2012-09-06 09:43:46 -06:00
.gitignore maint: follow recommended practice for using LGPL 2013-05-20 14:15:21 -06:00
.gitmodules make .gnulib a submodule 2009-07-08 16:17:51 +02:00
.mailmap Autogenerate AUTHORS 2012-10-19 12:44:56 -04:00
AUTHORS.in Add John Ferlan to the committers list 2013-02-05 10:59:32 -05:00
autobuild.sh Set PKG_CONFIG_LIBDIR in autobuild.sh 2013-05-17 17:09:29 +01:00
autogen.sh build: fix incremental autogen.sh when no AUTHORS is present 2012-12-03 14:59:09 -07:00
bootstrap maint: update to latest gnulib 2013-05-08 14:54:04 -06:00
bootstrap.conf Include GNULIB mkdtemp module 2013-05-17 17:09:29 +01:00
cfg.mk syntax: fix broken error message in previous patch 2013-05-28 09:52:03 -06:00
ChangeLog-old virterror.c: Fix several spelling mistakes 2012-02-03 11:32:51 -07:00
configure.ac Release of libvirt 1.0.6 2013-06-03 12:09:56 +02:00
COPYING maint: follow recommended practice for using LGPL 2013-05-20 14:15:21 -06:00
COPYING.LESSER maint: follow recommended practice for using LGPL 2013-05-20 14:15:21 -06:00
HACKING syntax-check: mandate space after mid-line semicolon 2013-05-28 08:26:05 -06:00
libvirt.pc.in build: silence warning from autoconf 2012-05-30 09:22:02 -06:00
libvirt.spec.in spec: Explicitly require libgcrypt-devel 2013-06-03 10:16:13 -06:00
Makefile.am maint: use LGPL correctly 2013-05-20 14:03:48 -06:00
Makefile.nonreentrant maint: use LGPL correctly 2013-05-20 14:03:48 -06:00
mingw-libvirt.spec.in test: Return Libvirt logo as domain screenshot 2013-04-02 14:38:56 +02:00
README Correct typos in the documentation (Atsushi SAKAI) 2008-01-24 10:15:13 +00:00
README-hacking maint: relax git minimum version 2010-02-24 14:29:27 -05:00
run.in run: license as LGPL 2013-02-23 14:03:19 -07:00
TODO Update todo list file to point at bugzilla/website 2010-10-13 16:45:26 +01:00

README 

         LibVirt : simple API for virtualization

  Libvirt is a C toolkit to interact with the virtualization capabilities
of recent versions of Linux (and other OSes). It is free software
available under the GNU Lesser General Public License. Virtualization of
the Linux Operating System means the ability to run multiple instances of
Operating Systems concurrently on a single hardware system where the basic
resources are driven by a Linux instance. The library aim at providing
long term stable C API initially for the Xen paravirtualization but
should be able to integrate other virtualization mechanisms if needed.

Daniel Veillard <veillard@redhat.com>