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* tools/virsh.c (cmdDetachDisk): fix invalid free due to using uninitialised value. * How to reproduce? # virsh detach-disk a b error: failed to get domain 'a' *** glibc detected *** virsh: double free or corruption (out): 0x00007fff410ed1a0 *** ======= Backtrace: ========= /lib64/libc.so.6[0x39cf0750c6] /usr/lib/libvirt.so.0(virFree+0x39)[0x7f045938a239] virsh[0x41c768] virsh[0x415075] virsh[0x425d64] /lib64/libc.so.6(__libc_start_main+0xfd)[0x39cf01ecdd] virsh[0x40a419] ======= Memory map: ======== 00400000-0044e000 r-xp 00000000 08:0e 760441 /usr/bin/virsh 0064e000-00650000 rw-p 0004e000 08:0e 760441 /usr/bin/virsh ...... 39d7229000-39d722b000 r--p 00029000 08:0e 2183477 /lib64/libk5crypto.so.3.1 39d722b000-39d722c000 rw-p 0002b000 08:0e 2183477 /lib64/lAborted (core dumped) 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>