Res_query Seg Faulting for a FQDN

[Leonard Mills]

Hello Alok,

Something may have changed at the name servers for bvt-rhe63-32s.ipv6domain.com.  
Right now, both ns.addpac.co.kr (61.33.161.2) and ns.addpac.com (61.33.161.2)
are returning NXDOMAIN for bvt-rhe63-32s.ipv6domain.com.  The IP happily returns
the SOA for ipv6domain.com using either NS name.

HtH,
Len





>________________________________
> From: Alok Raj <alok.raj at spanservices.com>
>To: "bind-users at lists.isc.org" <bind-users at lists.isc.org> 
>Sent: Wednesday, June 26, 2013 6:04 AM
>Subject: Res_query Seg Faulting for a FQDN
> 
>
>
> 
>Hi Guys,
> 
>I have one query, while querying DNS for SOA record for FQDN it is segment-faulting in centos-6.3, any clue?
>Pasting below the trace:
> 
>[Thread debugging using libthread_db enabled]
>[New Thread 0xb7fe3b70 (LWP 7093)]
>[New Thread 0xb75e2b70 (LWP 7094)]
>[New Thread 0xb6be1b70 (LWP 7095)]
>[New Thread 0xb61e0b70 (LWP 7096)]
>[New Thread 0xb57dfb70 (LWP 7097)]
> 
>Program received signal SIGSEGV, Segmentation fault.
>0x006ac2b4 in __libc_res_nsend () from /lib/libresolv.so.2
>Missing separate debuginfos, use: debuginfo-install xxx-enterprise-7.5.0-1567.i386
>(gdb) bt
> 
> 
>(gdb) bt
>#0  0x006ac2b4 in __libc_res_nsend () from /lib/libresolv.so.2
>#1  0x006a84d0 in __libc_res_nquery () from /lib/libresolv.so.2
>#2  0x006a8ba4 in __res_nquery () from /lib/libresolv.so.2
>#3  0x006a7c8a in res_query () from /lib/libresolv.so.2
>#4  0x00132883 in DNSGetNameServers (pszDomain=0x804fde8 "bvt-rhe63-32s.ipv6domain.com", ppszZone=0xbffff584, ppNSInfoList=0xbffff588, pdwNumServers=0xbffff58c)
> 
>Thanks,
>Alok
> 
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