Re: qemu-kvm-1.2.0: double free or corruption in VNC code

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On Wed, Nov 21, 2012 at 07:43:16AM +0100, Nikola Ciprich wrote:
> Hello Stefan,
> 
> thanks! here it goes..
> 
> > > *** glibc detected *** /usr/bin/qemu-kvm: double free or corruption (!prev): 0x00007fc634008cd0 ***
> > > ======= Backtrace: =========
> > > /lib64/libc.so.6(+0x75916)[0x7fc9026f4916]
> > > /lib64/libc.so.6(+0x78443)[0x7fc9026f7443]
> > > /usr/bin/qemu-kvm(+0x1faeb1)[0x7fc907187eb1]
> > > /usr/bin/qemu-kvm(+0x1f0e1a)[0x7fc90717de1a]
> > > /usr/bin/qemu-kvm(+0x1fb681)[0x7fc907188681]
> > > /usr/bin/qemu-kvm(+0xed6a7)[0x7fc90707a6a7]
> > > /usr/bin/qemu-kvm(+0x195c31)[0x7fc907122c31]
> > > /usr/bin/qemu-kvm(main+0x106c)[0x7fc90711e5fc]
> > > /lib64/libc.so.6(__libc_start_main+0xfd)[0x7fc90269dcdd]
> > > /usr/bin/qemu-kvm(+0x749f9)[0x7fc9070019f9]
> > [...]
> 
> [root@blg qemu-kvm-1.2.0]# addr2line -e /usr/lib/debug/usr/bin/qemu-kvm.debug 0x1faeb1 0x1f0e1a 0x1fb681 0xed6a7 0x195c31 0x106c
> /usr/src/debug/qemu-kvm-1.2.0/ui/vnc.c:499
> /usr/src/debug/qemu-kvm-1.2.0/ui/vnc-enc-zrle.c:364
> /usr/src/debug/qemu-kvm-1.2.0/ui/vnc.c:1037
> /usr/src/debug/qemu-kvm-1.2.0/iohandler.c:159
> /usr/src/debug/qemu-kvm-1.2.0/main-loop.c:499

Please also post the exact package version you are using - the line
numbers change between releases and depend on which patches have been
applied to the source tree.  The distro exact package version allows me
to download the source tree that was used to build this binary and check
the correct line numbers.

Stefan
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