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Detected by valgrind. Leak is introduced in commit 397e6a7. * src/conf/domain_conf.c(virDomainDiskDefParseXML): fix memory leak. How to reproduce? % make -C tests check TESTS=qemuxml2argvtest % cd tests && valgrind -v --leak-check=full ./qemuxml2argvtest * Actual result: ==16352== 4 bytes in 1 blocks are definitely lost in loss record 12 of 147 ==16352== at 0x4A05FDE: malloc (vg_replace_malloc.c:236) ==16352== by 0x39D90A67DD: xmlStrndup (xmlstring.c:45) ==16352== by 0x4E83D5: virDomainDiskDefParseXML (domain_conf.c:2894) ==16352== by 0x4F542D: virDomainDefParseXML (domain_conf.c:7626) ==16352== by 0x4F8683: virDomainDefParseNode (domain_conf.c:8390) ==16352== by 0x4F904E: virDomainDefParse (domain_conf.c:8340) ==16352== by 0x41C626: testCompareXMLToArgvHelper (qemuxml2argvtest.c:105) ==16352== by 0x41DED1: virtTestRun (testutils.c:142) ==16352== by 0x418172: mymain (qemuxml2argvtest.c:486) ==16352== by 0x41D5C7: virtTestMain (testutils.c:697) ==16352== by 0x39CF01ECDC: (below main) (in /lib64/libc-2.12.so) Signed-off-by: Alex Jia <ajia@redhat.com>
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>