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[libvirt] Segfault problem with nwfilter-define in Libvirt



Hello,

At first a big thanks to Laine, who kindly tried to help me !

My problem is the following :

I use a linux from scratch distro ( home made)
pure X86_64
glibc 2.10.1
gcc 4.4.1
uname -a SMP Sat Aug 4 20:07:49 CEST 2012 x86_64 x86_64 x86_64 GNU/Linux

Each time I use nwfilter-define, libvirtd crash with a segfault. I tried nearly all version from 0.9.8 to 0.9.13 and even 0.10 with the same problem
Here is a sample of newfilter.xml :

<filter name='nova-base'>
        <filterref filter='no-ip-spoofing'/>
</filter>

and here the bt unde gdb with v0.9.13

#0  __pthread_mutex_lock (mutex=0x0) at pthread_mutex_lock.c:50
#1 0x00007ffff77ba07e in virNWFilterCallbackDriversLock () at conf/nwfilter_conf.c:2846 #2 0x00007fffe8ed9d24 in nwfilterDefine (conn=0x67d8e0, xml=0x67e000 "<filter name='nova-base'>\n\t<filterref filter='no-ip-spoofing'/>\n</filter>\n\n")
    at nwfilter/nwfilter_driver.c:348
#3  0x00007ffff77eb753 in virNWFilterDefineXML (conn=0x67d8e0,
xmlDesc=0x67e000 "<filter name='nova-base'>\n\t<filterref filter='no-ip-spoofing'/>\n</filter>\n\n") at libvirt.c:15925 #4 0x000000000041969c in remoteDispatchNWFilterDefineXML (ret=<optimized out>, args=<optimized out>, rerr=<optimized out>, msg=<optimized out>, client=<optimized out>, server=<optimized out>) at remote_dispatch.h:10442 #5 remoteDispatchNWFilterDefineXMLHelper (server=<optimized out>, client=0x67d210, msg=<optimized out>, rerr=0x7fffec57cf60, args=0x67dea0, ret=0x67ba20)
    at remote_dispatch.h:10422
#6 0x00007ffff784d48d in virNetServerProgramDispatchCall (msg=<optimized out>, client=<optimized out>, server=<optimized out>, prog=<optimized out>)
    at rpc/virnetserverprogram.c:416
#7 virNetServerProgramDispatch (prog=0x675090, server=0x670370, client=0x67d210, msg=0x67e3d0) at rpc/virnetserverprogram.c:289 #8 0x00007ffff784a0d1 in virNetServerHandleJob (jobOpaque=<optimized out>, opaque=0x670370) at rpc/virnetserver.c:161 #9 0x00007ffff776d282 in virThreadPoolWorker (opaque=<optimized out>) at util/threadpool.c:143 #10 0x00007ffff776c926 in virThreadHelper (data=<optimized out>) at util/threads-pthread.c:161 #11 0x00007ffff457257a in start_thread (arg=<optimized out>) at pthread_create.c:297 #12 0x00007ffff3edd14d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thank for help

JC


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