[libvirt] Buffer overflow error when starting libvirtd

[Laine Stump]

On 08/11/2015 01:30 AM, Ján Tomko wrote:
> On Mon, Aug 10, 2015 at 11:21:47PM -0400, Willard Dennis wrote:
>> Compiled libvirt 1.2.18 on Ubuntu 12.04.5 (installed over 12.04 libvirt-bin
>> 0.9.9 package files); when I try to start libvirtd, I get the following
>> error / backtrace:
>>
>> $ sudo /usr/sbin/libvirtd
>> *** stack smashing detected ***: /usr/sbin/libvirtd terminated
>> ======= Backtrace: =========
>> /lib/x86_64-linux-gnu/libc.so.6(__fortify_fail+0x37)[0x7f02fe6d3e57]
>> /lib/x86_64-linux-gnu/libc.so.6(__fortify_fail+0x0)[0x7f02fe6d3e20]
>> /usr/lib/libvirt.so.0(+0xaa359)[0x7f02fec4f359]
>> /usr/lib/libvirt/connection-driver/libvirt_driver_nodedev.so(+0x99fe)[0x7f02f1fc59fe]
>> /usr/lib/libvirt/connection-driver/libvirt_driver_nodedev.so(+0xa672)[0x7f02f1fc6672]
>> /usr/lib/libvirt.so.0(virStateInitialize+0xaf)[0x7f02fed1cd2f]
>> /usr/sbin/libvirtd(+0x17d80)[0x7f02ff98dd80]
>> /usr/lib/libvirt.so.0(+0xd25d2)[0x7f02fec775d2]
>> /lib/x86_64-linux-gnu/libpthread.so.0(+0x7e9a)[0x7f02fe98fe9a]
>> /lib/x86_64-linux-gnu/libc.so.6(clone+0x6d)[0x7f02fe6bd38d]
>>
>> Not sure if this may be a bug with 1.2.18, or a fault with my
>> configure/compile/install process; please advise...
> This has been reported last week:
> https://www.redhat.com/archives/libvir-list/2015-August/msg00163.html
> And here is the patch proposed to fix it, waiting on review:
> https://www.redhat.com/archives/libvir-list/2015-August/msg00263.html

Willard - If you're able to build libvirt and test that patch, it would
be greatly appreciated.