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Nokogiri custom xpath function segfault
require 'nokogiri'
xml = %q{
<foo>
<foo/>
</foo>
}
doc = Nokogiri::XML.parse(xml)
puts doc.xpath('//foo[bool_function(bar/baz)]', Class.new {
def bool_function(value)
true
end
}.new)
<foo>
<foo/>
</foo>
<foo/>
/Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/xml/node.rb:159: [BUG] Segmentation fault
ruby 1.9.3p0 (2011-10-30 revision 33570) [x86_64-darwin10.8.0]
-- Control frame information -----------------------------------------------
c:0008 p:---- s:0031 b:0031 l:000030 d:000030 CFUNC :evaluate
c:0007 p:0101 s:0026 b:0026 l:000016 d:000025 BLOCK /Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/xml/node.rb:159
c:0006 p:---- s:0022 b:0022 l:000021 d:000021 FINISH
c:0005 p:---- s:0020 b:0020 l:000019 d:000019 CFUNC :map
c:0004 p:0070 s:0017 b:0017 l:000016 d:000016 METHOD /Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/xml/node.rb:150
c:0003 p:0075 s:0009 b:0008 l:002138 d:000078 EVAL custom-functions.rb:10
c:0002 p:---- s:0004 b:0004 l:000003 d:000003 FINISH
c:0001 p:0000 s:0002 b:0002 l:002138 d:002138 TOP
-- Ruby level backtrace information ----------------------------------------
custom-functions.rb:10:in `<main>'
/Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/xml/node.rb:150:in `xpath'
/Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/xml/node.rb:150:in `map'
/Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/xml/node.rb:159:in `block in xpath'
/Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/xml/node.rb:159:in `evaluate'
-- C level backtrace information -------------------------------------------
See Crash Report log file under ~/Library/Logs/CrashReporter or
/Library/Logs/CrashReporter, for the more detail of.
-- Other runtime information -----------------------------------------------
* Loaded script: custom-functions.rb
* Loaded features:
0 enumerator.so
1 /Users/andrew/.rvm/rubies/ruby-1.9.3-p0/lib/ruby/1.9.1/x86_64-darwin10.8.0/enc/encdb.bundle
2 /Users/andrew/.rvm/rubies/ruby-1.9.3-p0/lib/ruby/1.9.1/x86_64-darwin10.8.0/enc/trans/transdb.bundle
3 /Users/andrew/.rvm/rubies/ruby-1.9.3-p0/lib/ruby/site_ruby/1.9.1/rubygems/defaults.rb
4 /Users/andrew/.rvm/rubies/ruby-1.9.3-p0/lib/ruby/1.9.1/x86_64-darwin10.8.0/rbconfig.rb
5 /Users/andrew/.rvm/rubies/ruby-1.9.3-p0/lib/ruby/site_ruby/1.9.1/rubygems/deprecate.rb
6 /Users/andrew/.rvm/rubies/ruby-1.9.3-p0/lib/ruby/site_ruby/1.9.1/rubygems/exceptions.rb
7 /Users/andrew/.rvm/rubies/ruby-1.9.3-p0/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb
8 /Users/andrew/.rvm/rubies/ruby-1.9.3-p0/lib/ruby/site_ruby/1.9.1/rubygems.rb
9 /Users/andrew/.rvm/rubies/ruby-1.9.3-p0/lib/ruby/site_ruby/1.9.1/rubygems/version.rb
10 /Users/andrew/.rvm/rubies/ruby-1.9.3-p0/lib/ruby/site_ruby/1.9.1/rubygems/requirement.rb
11 /Users/andrew/.rvm/rubies/ruby-1.9.3-p0/lib/ruby/site_ruby/1.9.1/rubygems/platform.rb
12 /Users/andrew/.rvm/rubies/ruby-1.9.3-p0/lib/ruby/site_ruby/1.9.1/rubygems/specification.rb
13 /Users/andrew/.rvm/rubies/ruby-1.9.3-p0/lib/ruby/site_ruby/1.9.1/rubygems/path_support.rb
14 /Users/andrew/.rvm/rubies/ruby-1.9.3-p0/lib/ruby/site_ruby/1.9.1/rubygems/dependency.rb
15 /Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/nokogiri.bundle
16 /Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/version.rb
17 /Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/syntax_error.rb
18 /Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/xml/pp/node.rb
19 /Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/xml/pp/character_data.rb
20 /Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/xml/pp.rb
21 /Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/xml/parse_options.rb
22 /Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/xml/sax/document.rb
23 /Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/xml/sax/parser_context.rb
24 /Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/xml/sax/parser.rb
25 /Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/xml/sax/push_parser.rb
26 /Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/xml/sax.rb
27 /Users/andrew/.rvm/rubies/ruby-1.9.3-p0/lib/ruby/1.9.1/x86_64-darwin10.8.0/stringio.bundle
28 /Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/xml/node/save_options.rb
29 /Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/xml/node.rb
30 /Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/xml/attribute_decl.rb
31 /Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/xml/element_decl.rb
32 /Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/xml/element_content.rb
33 /Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/xml/character_data.rb
34 /Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/xml/namespace.rb
35 /Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/xml/attr.rb
36 /Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/xml/dtd.rb
37 /Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/xml/cdata.rb
38 /Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/xml/text.rb
39 /Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/xml/document.rb
40 /Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/xml/document_fragment.rb
41 /Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/xml/processing_instruction.rb
42 /Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/xml/node_set.rb
43 /Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/xml/syntax_error.rb
44 /Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/xml/xpath/syntax_error.rb
45 /Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/xml/xpath.rb
46 /Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/xml/xpath_context.rb
47 /Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/xml/builder.rb
48 /Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/xml/reader.rb
49 /Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/xml/notation.rb
50 /Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/xml/entity_decl.rb
51 /Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/xml/schema.rb
52 /Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/xml/relax_ng.rb
53 /Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/xml.rb
54 /Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/xslt/stylesheet.rb
55 /Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/xslt.rb
56 /Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/html/entity_lookup.rb
57 /Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/html/document.rb
58 /Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/html/document_fragment.rb
59 /Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/html/sax/parser_context.rb
60 /Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/html/sax/parser.rb
61 /Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/html/sax/push_parser.rb
62 /Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/html/element_description.rb
63 /Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/html/element_description_defaults.rb
64 /Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/html.rb
65 /Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/decorators/slop.rb
66 /Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/css/node.rb
67 /Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/css/xpath_visitor.rb
68 /Users/andrew/.rvm/rubies/ruby-1.9.3-p0/lib/ruby/1.9.1/x86_64-darwin10.8.0/racc/cparse.bundle
69 /Users/andrew/.rvm/rubies/ruby-1.9.3-p0/lib/ruby/1.9.1/racc/parser.rb
70 /Users/andrew/.rvm/rubies/ruby-1.9.3-p0/lib/ruby/1.9.1/thread.rb
71 /Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/css/parser_extras.rb
72 /Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/css/parser.rb
73 /Users/andrew/.rvm/rubies/ruby-1.9.3-p0/lib/ruby/1.9.1/x86_64-darwin10.8.0/strscan.bundle
74 /Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/css/tokenizer.rb
75 /Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/css/syntax_error.rb
76 /Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/css.rb
77 /Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri/html/builder.rb
78 /Users/andrew/.rvm/gems/ruby-1.9.3-p0/gems/nokogiri-1.5.2/lib/nokogiri.rb
[NOTE]
You may have encountered a bug in the Ruby interpreter or extension libraries.
Bug reports are welcome.
For details: http://www.ruby-lang.org/bugreport.html
@acrmp

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commented Jun 4, 2012

Fix released in Nokogiri 1.5.3.

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