The segmentation fault appears on current maint-1.2 and also on OpenSCAP 1.2.6 from Fedora 22 repository.
#0 0x00007ff83e14b4ba in ___vfprintf_chk (fp=0x175c9c0, flag=flag@entry=1, format=format@entry=0x7ff83e719f85 "I/O ", ap=ap@entry=0x7fff1a72a150) at vfprintf_chk.c:29
#1 0x00007ff83e63cf93 in vfprintf (__ap=0x7fff1a72a150, __fmt=0x7ff83e719f85 "I/O ", __stream=<optimized out>) at /usr/include/bits/stdio2.h:127
#2 xmlGenericErrorDefaultFunc (ctx=<optimized out>, msg=0x7ff83e719f85 "I/O ") at error.c:78
#3 0x00007ff83e63d473 in xmlReportError (err=err@entry=0x194a838, ctxt=ctxt@entry=0x194a5e0,
str=str@entry=0x194b380 "failed to load external entity \"/home/jcerny/openscap/.result.xml\"\n", channel=0x7ff83e63cee0 <xmlGenericErrorDefaultFunc>, channel@entry=0x0,
data=0x175c9c0, data@entry=0x0) at error.c:325
#4 0x00007ff83e63eb85 in __xmlRaiseError (schannel=0x0, channel=0x7ff83e63da90 <xmlParserWarning__internal_alias>, data=0x194a5e0, ctx=0x194a5e0, nod=nod@entry=0x0, domain=domain@entry=8,
code=1549, level=XML_ERR_WARNING, file=0x0, line=0, str1=0x19585c0 "/home/jcerny/openscap/.result.xml", str2=0x0, str3=0x0, int1=0, col=0,
msg=0x7ff83e71a598 "failed to load external entity \"%s\"\n") at error.c:631
#5 0x00007ff83e66b880 in __xmlLoaderErr (ctx=ctx@entry=0x194a5e0, msg=msg@entry=0x7ff83e71a598 "failed to load external entity \"%s\"\n",
filename=filename@entry=0x19585c0 "/home/jcerny/openscap/.result.xml") at xmlIO.c:482
#6 0x00007ff83e640cb7 in xmlNewInputFromFile__internal_alias (ctxt=ctxt@entry=0x194a5e0, filename=filename@entry=0x19585c0 "/home/jcerny/openscap/.result.xml") at parserInternals.c:1518
#7 0x00007ff83e66e3a7 in xmlDefaultExternalEntityLoader (URL=0x193c7c0 "/home/jcerny/openscap/.result.xml", ID=0x0, ctxt=0x194a5e0) at xmlIO.c:4077
#8 0x00007ff83e66e1ff in xmlLoadExternalEntity__internal_alias (URL=<optimized out>, ID=0x0, ctxt=0x194a5e0) at xmlIO.c:4133
#9 0x00007ff8400d81bd in xsltDocDefaultLoaderFunc (URI=0x194a580 "/home/jcerny/openscap/.result.xml", dict=0x18dbf40, options=16398, ctxt=<optimized out>, type=<optimized out>)
at documents.c:85
#10 0x00007ff8400d8586 in xsltLoadDocument (ctxt=0x18dbd30, URI=0x194a580 "/home/jcerny/openscap/.result.xml") at documents.c:318
#11 0x00007ff8400d52e4 in xsltDocumentFunctionLoadDocument (URI=0x194a580 "/home/jcerny/openscap/.result.xml", ctxt=0x193c830) at functions.c:142
#12 xsltDocumentFunction (ctxt=0x193c830, nargs=<optimized out>) at functions.c:341
#13 0x00007ff83e6990ae in xmlXPathCompOpEval (ctxt=0x193c830, op=0x1808798) at xpath.c:13586
#14 0x00007ff83e6992f0 in xmlXPathCompOpEval (ctxt=0x193c830, op=0x18087d0) at xpath.c:13475
#15 0x00007ff83e6992f0 in xmlXPathCompOpEval (ctxt=0x193c830, op=0x1808808) at xpath.c:13475
#16 0x00007ff83e6992f0 in xmlXPathCompOpEval (ctxt=0x193c830, op=0x1808840) at xpath.c:13475
#17 0x00007ff83e698bb6 in xmlXPathCompOpEval (ctxt=ctxt@entry=0x193c830, op=0x1808878) at xpath.c:13977
#18 0x00007ff83e69bce1 in xmlXPathCompOpEval (op=<optimized out>, ctxt=0x193c830) at xpath.c:13281
#19 xmlXPathRunEval (ctxt=ctxt@entry=0x193c830, toBool=toBool@entry=0) at xpath.c:14552
#20 0x00007ff83e69be52 in xmlXPathCompiledEvalInternal (comp=comp@entry=0x17be7f0, ctxt=ctxt@entry=0x18dd060, resObj=resObj@entry=0x7fff1a72a9e0, toBool=toBool@entry=0) at xpath.c:14915
#21 0x00007ff83e6a0186 in xmlXPathCompiledEval__internal_alias (comp=comp@entry=0x17be7f0, ctx=ctx@entry=0x18dd060) at xpath.c:14978
#22 0x00007ff8400cc1ee in xsltEvalVariable (ctxt=ctxt@entry=0x18dbd30, variable=variable@entry=0x1908580, castedComp=castedComp@entry=0x17bf850) at variables.c:903
#23 0x00007ff8400cc542 in xsltBuildVariable (ctxt=ctxt@entry=0x18dbd30, castedComp=castedComp@entry=0x17bf850, tree=tree@entry=0x0) at variables.c:1759
#24 0x00007ff8400cc6a3 in xsltRegisterVariable (ctxt=ctxt@entry=0x18dbd30, castedComp=0x17bf850, tree=0x0, isParam=isParam@entry=0) at variables.c:1821
#25 0x00007ff8400cde63 in xsltParseStylesheetVariable (ctxt=ctxt@entry=0x18dbd30, inst=inst@entry=0x17bfc00) at variables.c:2144
#26 0x00007ff8400dc352 in xsltApplySequenceConstructor (ctxt=0x18dbd30, contextNode=0x1728540, list=0x17bfc00, templ=0x0) at transform.c:2667
#27 0x00007ff8400dbf33 in xsltApplySequenceConstructor (ctxt=0x18dbd30, contextNode=0x1728540, list=0x17bef60, templ=0x0) at transform.c:2647
#28 0x00007ff8400dbf33 in xsltApplySequenceConstructor (ctxt=ctxt@entry=0x18dbd30, contextNode=contextNode@entry=0x1728540, list=list@entry=0x17be1c0, templ=templ@entry=0x18cd4c0)
at transform.c:2647
#29 0x00007ff8400dea92 in xsltApplyXSLTTemplate (ctxt=0x18dbd30, contextNode=0x1728540, list=0x17be1c0, templ=0x18cd4c0, withParams=0x19072d0) at transform.c:3108
#30 0x00007ff8400e035a in xsltCallTemplate (ctxt=0x175c9c0, node=0x1, inst=0x7fff1a72a150, castedComp=0x7fff1a72a150) at transform.c:4758
#31 0x00007ff8400dbf33 in xsltApplySequenceConstructor (ctxt=0x18dbd30, contextNode=0x1728540, list=0x17c28a0, templ=0x0) at transform.c:2647
#32 0x00007ff8400dbf33 in xsltApplySequenceConstructor (ctxt=ctxt@entry=0x18dbd30, contextNode=contextNode@entry=0x1728540, list=list@entry=0x17c16b0, templ=templ@entry=0x18cd970)
at transform.c:2647
#33 0x00007ff8400dea92 in xsltApplyXSLTTemplate (ctxt=0x18dbd30, contextNode=0x1728540, list=0x17c16b0, templ=0x18cd970, withParams=0x1907110) at transform.c:3108
#34 0x00007ff8400e035a in xsltCallTemplate (ctxt=0x175c9c0, node=0x1, inst=0x7fff1a72a150, castedComp=0x7fff1a72a150) at transform.c:4758
#35 0x00007ff8400dbf33 in xsltApplySequenceConstructor (ctxt=0x18dbd30, contextNode=0x1728540, list=0x17d0c80, templ=0x0) at transform.c:2647
#36 0x00007ff8400cc330 in xsltEvalVariable (ctxt=ctxt@entry=0x18dbd30, variable=variable@entry=0x1906eb0, castedComp=castedComp@entry=0x18111e0) at variables.c:977
#37 0x00007ff8400cc542 in xsltBuildVariable (ctxt=ctxt@entry=0x18dbd30, castedComp=castedComp@entry=0x18111e0, tree=tree@entry=0x17d0c80) at variables.c:1759
#38 0x00007ff8400cc6a3 in xsltRegisterVariable (ctxt=ctxt@entry=0x18dbd30, castedComp=0x18111e0, tree=0x17d0c80, isParam=isParam@entry=0) at variables.c:1821
#39 0x00007ff8400cde63 in xsltParseStylesheetVariable (ctxt=ctxt@entry=0x18dbd30, inst=inst@entry=0x17d0a60) at variables.c:2144
#40 0x00007ff8400dc352 in xsltApplySequenceConstructor (ctxt=ctxt@entry=0x18dbd30, contextNode=contextNode@entry=0x1728540, list=list@entry=0x17c3cc0, templ=templ@entry=0x18cda10)
at transform.c:2667
#41 0x00007ff8400dea92 in xsltApplyXSLTTemplate (ctxt=0x18dbd30, contextNode=0x1728540, list=0x17c3cc0, templ=0x18cda10, withParams=0x18f91c0) at transform.c:3108
#42 0x00007ff8400e035a in xsltCallTemplate (ctxt=0x175c9c0, node=0x1, inst=0x7fff1a72a150, castedComp=0x7fff1a72a150) at transform.c:4758
#43 0x00007ff8400dbf33 in xsltApplySequenceConstructor (ctxt=ctxt@entry=0x18dbd30, contextNode=0x1728540, list=list@entry=0x17d9cf0, templ=templ@entry=0x0) at transform.c:2647
#44 0x00007ff8400dd44a in xsltForEach (ctxt=0x18dbd30, contextNode=<optimized out>, inst=<optimized out>, castedComp=<optimized out>) at transform.c:5738
#45 0x00007ff8400dbf33 in xsltApplySequenceConstructor (ctxt=ctxt@entry=0x18dbd30, contextNode=contextNode@entry=0x171c0b0, list=list@entry=0x17d8c70, templ=templ@entry=0x18cf780)
at transform.c:2647
#46 0x00007ff8400dea92 in xsltApplyXSLTTemplate (ctxt=0x18dbd30, contextNode=0x171c0b0, list=0x17d8c70, templ=0x18cf780, withParams=0x18edc40) at transform.c:3108
#47 0x00007ff8400e035a in xsltCallTemplate (ctxt=0x175c9c0, node=0x1, inst=0x7fff1a72a150, castedComp=0x7fff1a72a150) at transform.c:4758
#48 0x00007ff8400dbf33 in xsltApplySequenceConstructor (ctxt=ctxt@entry=0x18dbd30, contextNode=0x171c0b0, list=list@entry=0x17d8e80, templ=templ@entry=0x0) at transform.c:2647
#49 0x00007ff8400dd44a in xsltForEach (ctxt=0x18dbd30, contextNode=<optimized out>, inst=<optimized out>, castedComp=<optimized out>) at transform.c:5738
#50 0x00007ff8400dbf33 in xsltApplySequenceConstructor (ctxt=ctxt@entry=0x18dbd30, contextNode=contextNode@entry=0x1719660, list=list@entry=0x17d8c70, templ=templ@entry=0x18cf780)
at transform.c:2647
#51 0x00007ff8400dea92 in xsltApplyXSLTTemplate (ctxt=0x18dbd30, contextNode=0x1719660, list=0x17d8c70, templ=0x18cf780, withParams=0x18ed910) at transform.c:3108
#52 0x00007ff8400e035a in xsltCallTemplate (ctxt=0x175c9c0, node=0x1, inst=0x7fff1a72a150, castedComp=0x7fff1a72a150) at transform.c:4758
#53 0x00007ff8400dbf33 in xsltApplySequenceConstructor (ctxt=ctxt@entry=0x18dbd30, contextNode=contextNode@entry=0x1719660, list=list@entry=0x17db200, templ=templ@entry=0x18cf820)
at transform.c:2647
#54 0x00007ff8400dea92 in xsltApplyXSLTTemplate (ctxt=0x18dbd30, contextNode=0x1719660, list=0x17db200, templ=0x18cf820, withParams=0x18ed2a0) at transform.c:3108
#55 0x00007ff8400e035a in xsltCallTemplate (ctxt=0x175c9c0, node=0x1, inst=0x7fff1a72a150, castedComp=0x7fff1a72a150) at transform.c:4758
#56 0x00007ff8400dbf33 in xsltApplySequenceConstructor (ctxt=ctxt@entry=0x18dbd30, contextNode=contextNode@entry=0x1719660, list=list@entry=0x17dd050, templ=templ@entry=0x18cfb90)
at transform.c:2647
#57 0x00007ff8400dea92 in xsltApplyXSLTTemplate (ctxt=0x18dbd30, contextNode=0x1719660, list=0x17dd050, templ=0x18cfb90, withParams=0x18e6a60) at transform.c:3108
#58 0x00007ff8400e035a in xsltCallTemplate (ctxt=0x175c9c0, node=0x1, inst=0x7fff1a72a150, castedComp=0x7fff1a72a150) at transform.c:4758
#59 0x00007ff8400dbf33 in xsltApplySequenceConstructor (ctxt=ctxt@entry=0x18dbd30, contextNode=contextNode@entry=0x1719660, list=list@entry=0x176c6d0, templ=templ@entry=0x18cff90)
at transform.c:2647
#60 0x00007ff8400dea92 in xsltApplyXSLTTemplate (ctxt=ctxt@entry=0x18dbd30, contextNode=contextNode@entry=0x1719660, list=0x176c6d0, templ=templ@entry=0x18cff90,
withParams=withParams@entry=0x0) at transform.c:3108
#61 0x00007ff8400df0c4 in xsltProcessOneNode (ctxt=ctxt@entry=0x18dbd30, contextNode=contextNode@entry=0x1719660, withParams=withParams@entry=0x0) at transform.c:2097
#62 0x00007ff8400e222c in xsltApplyStylesheetInternal (style=0x1768be0, doc=doc@entry=0x1719660, params=params@entry=0x7fff1a72bd20, output=output@entry=0x0, profile=profile@entry=0x0,
userCtxt=userCtxt@entry=0x0) at transform.c:6159
#63 0x00007ff8400e284d in xsltApplyStylesheet (style=<optimized out>, doc=doc@entry=0x1719660, params=params@entry=0x7fff1a72bd20) at transform.c:6352
#64 0x00007ff840acddf0 in apply_xslt_path_internal (source=0x175c980, xsltfile=<optimized out>, params=0x7fff1a72be70, path_to_xslt=<optimized out>,
stylesheet=stylesheet@entry=0x7fff1a72be38) at xslt.c:167
#65 0x00007ff840ace016 in oscap_source_apply_xslt_path (source=<optimized out>, xsltfile=<optimized out>, outfile=0x17069e0 "report.html", params=<optimized out>,
path_to_xslt=<optimized out>) at xslt.c:187
#66 0x00007ff840b28ca1 in _app_xslt (infile=infile@entry=0x175c980, outfile=outfile@entry=0x17069e0 "report.html", params=params@entry=0x7fff1a72cf70,
xsltfile=0x7ff840b333fb "xccdf-report.xsl") at xccdf_session.c:969
#67 0x00007ff840b2a4e1 in _xccdf_gen_report (show=0x7ff840b3ead3 "", profile=0x7ff840b3ead3 "", sce_template=0x7ff840b40a96 "%.result.xml", outfile=<optimized out>, id=<optimized out>,
infile=0x175c980) at xccdf_session.c:984
#68 xccdf_session_export_xccdf (session=session@entry=0x1676af0) at xccdf_session.c:1046
#69 0x000000000040ba13 in app_evaluate_xccdf (action=0x7fff1a72d090) at oscap-xccdf.c:524
#70 0x0000000000407e0e in oscap_module_call (action=0x7fff1a72d090) at oscap-tool.c:261
#71 oscap_module_process (module=0x6154a0 <XCCDF_EVAL>, module@entry=0x614a20 <OSCAP_ROOT_MODULE>, argc=argc@entry=7, argv=argv@entry=0x7fff1a72d328) at oscap-tool.c:346
#72 0x0000000000406eaf in main (argc=7, argv=0x7fff1a72d328) at oscap.c:80