Bugs item #20117, was opened at 2008-05-13 13:48
You can respond by visiting:
http://rubyforge.org/tracker/?func=detail&atid=1971&aid=20117&group_id=494
Category: memory
Group: v0.5
Status: Open
Resolution: None
Priority: 3
Submitted By: Gabriel Ebner (gebner)
Assigned to: Nobody (None)
Summary: Segfault when using XML::Reader.expand
Initial Comment:
The following program segfaults under libxml-ruby 0.5.4 (gem) and ruby 1.8.6
(debian sid / amd64):
require 'rubygems'
require 'xml/libxml'
reader = XML::Reader.new '<a><b/></a>'
2.times do reader.read end
reader.expand if reader.name == 'b'
(gdb) run bug.rb
Starting program: /usr/bin/ruby bug.rb
[Thread debugging using libthread_db enabled]
[New Thread 0x7f81f824b6e0 (LWP 1298)]
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7f81f824b6e0 (LWP 1298)]
classname (klass=257) at variable.c:150
150 variable.c: No such file or directory.
in variable.c
(gdb) bt
#0 classname (klass=257) at variable.c:150
#1 0x00007f81f7e0094d in rb_class_path (klass=257) at variable.c:190
#2 0x00007f81f7e00a99 in rb_class2name (klass=257) at variable.c:301
#3 0x00007f81f7d8a13a in rb_check_type (x=257, t=34) at error.c:276
#4 0x00007f81f69f59b8 in ruby_xml_node_deregisterNode (node=0x24f6ba0) at
ruby_xml_node.c:2264
#5 0x00007f81f676fe3a in xmlTextReaderFreeDoc (reader=0x2510ee0,
cur=0x24f6ba0) at xmlreader.c:482
#6 0x00007f81f677046d in xmlFreeTextReader__internal_alias (reader=0x2510ee0)
at xmlreader.c:2195
#7 0x00007f81f7daac81 in rb_gc_call_finalizer_at_exit () at gc.c:1928
#8 0x00007f81f7d90293 in ruby_finalize_1 () at eval.c:1553
#9 0x00007f81f7d98e51 in ruby_cleanup (ex=0) at eval.c:1590
#10 0x00007f81f7d98f69 in ruby_stop (ex=257) at eval.c:1645
#11 0x00007f81f7da46ff in ruby_run () at eval.c:1666
#12 0x0000000000400883 in main (argc=2, argv=0x7fff002691e8, envp=<value
optimized out>) at main.c:48
(gdb)
----------------------------------------------------------------------
You can respond by visiting:
http://rubyforge.org/tracker/?func=detail&atid=1971&aid=20117&group_id=494
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