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How to reproduce: % valgrind -v --leak-check=full virsh migrate mig \ qemu+ssh://$dest/system --unsafe == 8 bytes in 1 blocks are definitely lost in loss record 1 of 28 == at 0x4A04A28: calloc (vg_replace_malloc.c:467) == by 0x3EB7115FB8: xdr_reference (in /lib64/libc-2.12.so) == by 0x3EB7115F10: xdr_pointer (in /lib64/libc-2.12.so) == by 0x4D1EA84: xdr_remote_string (remote_protocol.c:40) == by 0x4D1EAD8: xdr_remote_domain_migrate_prepare3_ret (remote_protocol.c:4772) == by 0x4D2FFD2: virNetMessageDecodePayload (virnetmessage.c:382) == by 0x4D2789C: virNetClientProgramCall (virnetclientprogram.c:382) == by 0x4D0707D: callWithFD (remote_driver.c:4549) == by 0x4D070FB: call (remote_driver.c:4570) == by 0x4D12AEE: remoteDomainMigratePrepare3 (remote_driver.c:4138) == by 0x4CF7BE9: virDomainMigrateVersion3 (libvirt.c:4815) == by 0x4CF9432: virDomainMigrate2 (libvirt.c:5454) == == LEAK SUMMARY: == definitely lost: 8 bytes in 1 blocks == indirectly lost: 0 bytes in 0 blocks == possibly lost: 0 bytes in 0 blocks == still reachable: 126,995 bytes in 1,343 blocks == suppressed: 0 bytes in 0 blocks This patch also fixes the leaks in remoteDomainMigratePrepare and remoteDomainMigratePrepare2.
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>