After an evaluation, GNOME has moved from Bugzilla to GitLab. Learn more about GitLab.
No new issues can be reported in GNOME Bugzilla anymore.
To report an issue in a GNOME project, go to GNOME GitLab.
Do not go to GNOME Gitlab for: Bluefish, Doxygen, GnuCash, GStreamer, java-gnome, LDTP, NetworkManager, Tomboy.
Bug 696249 - Recursion and crash in xmlParseElementContentDecl
Recursion and crash in xmlParseElementContentDecl
Status: RESOLVED OBSOLETE
Product: libxml2
Classification: Platform
Component: general
2.6.28
Other Windows
: Normal critical
: ---
Assigned To: Daniel Veillard
libxml QA maintainers
Depends on:
Blocks:
 
 
Reported: 2013-03-21 05:26 UTC by ankur
Modified: 2021-07-05 13:20 UTC
See Also:
GNOME target: ---
GNOME version: ---



Description ankur 2013-03-21 05:26:25 UTC
Please find the xml script which is causing recursion and crash:

<!DOCTYPE a[<!ELEMENT a ((((((((((((((((((((((((((((((((#PCDATA)*>]><!----><tns:Envelope xmlns:tns="http://schemas.xmlsoap.org/soap/envelope/">
<tns:Header xmlns:wsa="http://www.w3.org/2005/08/addressing">
<wsa:To>http://10.18.47.102/</wsa:To>
<wsa:MessageID>113ab64d38239017b64d3919</wsa:MessageID>
<wsa:Action>urn:echo</wsa:Action>
</tns:Header><tns:Body>
<example1:echo xmlns:example1="http://example1.org/example1">
<example1:Text>Axis2 Echo String </example1:Text>
</example1:echo></tns:Body></tns:Envelope>


Call Stack :

libxml2.dll!xmlParseElementChildrenContentDecl(_xmlParserCtxt * ctxt=0x00cf7de0, int inputchk=8)  Line 5657 + 0xd bytes	C
The above line is repeated more than 1000 times


libxml2.dll!xmlParseElementChildrenContentDecl(_xmlParserCtxt * ctxt=0x00cf7de0, int inputchk=8)  Line 5657 + 0xd bytes	C
 	libxml2.dll!xmlParseElementChildrenContentDecl(_xmlParserCtxt * ctxt=0x00cf7de0, int inputchk=8)  Line 5657 + 0xd bytes	C
 	libxml2.dll!xmlParseElementChildrenContentDecl(_xmlParserCtxt * ctxt=0x00cf7de0, int inputchk=8)  Line 5657 + 0xd bytes	C
 	libxml2.dll!xmlParseElementChildrenContentDecl(_xmlParserCtxt * ctxt=0x00cf7de0, int inputchk=8)  Line 5657 + 0xd bytes	C
 	libxml2.dll!xmlParseElementChildrenContentDecl(_xmlParserCtxt * ctxt=0x00cf7de0, int inputchk=8)  Line 5657 + 0xd bytes	C
 	libxml2.dll!xmlParseElementChildrenContentDecl(_xmlParserCtxt * ctxt=0x00cf7de0, int inputchk=8)  Line 5657 + 0xd bytes	C
 	libxml2.dll!xmlParseElementChildrenContentDecl(_xmlParserCtxt * ctxt=0x00cf7de0, int inputchk=8)  Line 5657 + 0xd bytes	C
 	libxml2.dll!xmlParseElementChildrenContentDecl(_xmlParserCtxt * ctxt=0x00cf7de0, int inputchk=8)  Line 5657 + 0xd bytes	C
 	libxml2.dll!xmlParseElementChildrenContentDecl(_xmlParserCtxt * ctxt=0x00cf7de0, int inputchk=8)  Line 5657 + 0xd bytes	C
 	libxml2.dll!xmlParseElementChildrenContentDecl(_xmlParserCtxt * ctxt=0x00cf7de0, int inputchk=8)  Line 5657 + 0xd bytes	C
 	libxml2.dll!xmlParseElementChildrenContentDecl(_xmlParserCtxt * ctxt=0x00cf7de0, int inputchk=8)  Line 5657 + 0xd bytes	C
 	libxml2.dll!xmlParseElementChildrenContentDecl(_xmlParserCtxt * ctxt=0x00cf7de0, int inputchk=8)  Line 5657 + 0xd bytes	C
 	libxml2.dll!xmlParseElementChildrenContentDecl(_xmlParserCtxt * ctxt=0x00cf7de0, int inputchk=8)  Line 5657 + 0xd bytes	C
 	libxml2.dll!xmlParseElementChildrenContentDecl(_xmlParserCtxt * ctxt=0x00cf7de0, int inputchk=8)  Line 5657 + 0xd bytes	C
 	libxml2.dll!xmlParseElementContentDecl(_xmlParserCtxt * ctxt=0x00cf7120, const unsigned char * name=0x00cefe9b, _xmlElementContent * * result=0x023dde9c)  Line 5937 + 0xd bytes	C
 	libxml2.dll!xmlParseElementDecl(_xmlParserCtxt * ctxt=0x00cf7120)  Line 6001 + 0x11 bytes	C
 	libxml2.dll!xmlParseMarkupDecl(_xmlParserCtxt * ctxt=0x00cf7120)  Line 6226 + 0x9 bytes	C
 	libxml2.dll!xmlParseInternalSubset(_xmlParserCtxt * ctxt=0x00cf7120)  Line 7595 + 0x9 bytes	C
 	libxml2.dll!xmlParseDocument(_xmlParserCtxt * ctxt=0x00cf7120)  Line 9981 + 0x9 bytes	C
 	libxml2.dll!xmlSAXUserParseMemoryCtxt(_xmlSAXHandler * sax=0x005d7980, void * user_data=0x023de66c, const char * buffer=0x023ec2d0, int size=33255, void (void *)* ctxtCall=0x00520435)  Line 14351 + 0x9 bytes	C


Let me know if any other information is required to get the problem.
Please help me to solve this problem.
Thanks for your help in advance.
Comment 1 GNOME Infrastructure Team 2021-07-05 13:20:43 UTC
GNOME is going to shut down bugzilla.gnome.org in favor of gitlab.gnome.org.
As part of that, we are mass-closing older open tickets in bugzilla.gnome.org
which have not seen updates for a longer time (resources are unfortunately
quite limited so not every ticket can get handled).

If you can still reproduce the situation described in this ticket in a recent
and supported software version, then please follow
  https://wiki.gnome.org/GettingInTouch/BugReportingGuidelines
and create a new ticket at
  https://gitlab.gnome.org/GNOME/libxml2/-/issues/

Thank you for your understanding and your help.