$ gdb -exec /weblib/local/bin/xmllint -core ./xmllint.core
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This GDB was configured as "i386-unknown-bsdi4.2".
Core was generated by `xmllint'.
Program terminated with signal 11, Segmentation fault.
Reading symbols from /weblib/local/lib/libxml2.so.2...done.
Reading symbols from /weblib/local/lib/libz.so...done.
Reading symbols from /weblib/local/lib/libiconv.so.2...done.
Reading symbols from /shlib/libm.so.0.0...done.
Reading symbols from /shlib/libgcc.so.1...done.
Reading symbols from /shlib/libc.so.2...done.
Reading symbols from /shlib/ld-bsdi.so...done.
#0  0xe1bf7d73 in ?? ()
(gdb) bt
#0  0xe1bf7d73 in ?? ()
#1  0x4809a4db in xmlValidateElementContent (ctxt=0x805c06c, child=0x80cc7c0, cont=0x8139b00, warn=1, name=0x80cd150 "body")
    at valid.c:3795
#2  0x4809b000 in xmlValidateOneElement (ctxt=0x805c06c, doc=0x805d380, elem=0x80cc780) at valid.c:4206
#3  0x4806d119 in endElement (ctx=0x805c000, name=0x80cd170 "body") at SAX.c:1221
#4  0x48082b07 in xmlParseEndTag (ctxt=0x805c000) at parser.c:6453
#5  0x480836ec in xmlParseElement (ctxt=0x805c000) at parser.c:6835
#6  0x48083230 in xmlParseContent (ctxt=0x805c000) at parser.c:6639
#7  0x48083611 in xmlParseElement (ctxt=0x805c000) at parser.c:6808
#8  0x48083230 in xmlParseContent (ctxt=0x805c000) at parser.c:6639
#9  0x48083611 in xmlParseElement (ctxt=0x805c000) at parser.c:6808
#10 0x48084eb3 in xmlParseDocument (ctxt=0x805c000) at parser.c:7516
#11 0x48087d7a in xmlSAXParseFileWithData (sax=0x0, filename=0x8047d90 "invalid.xml", recovery=0, data=0x0) at parser.c:9772
#12 0x48087de7 in xmlSAXParseFile (sax=0x0, filename=0x8047d90 "invalid.xml", recovery=0) at parser.c:9805
#13 0x48087e36 in xmlParseFile (filename=0x8047d90 "invalid.xml") at parser.c:9836
#14 0x8049f5c in ?? ()
#15 0x804b379 in ?? ()
#16 0x804950e in ?? ()
(gdb) quit