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Stop parser on unsupported encodings

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Otherwise, the push parser can loop infinitely in recover mode.

Found with libFuzzer.
This commit is contained in:
Nick Wellnhofer 2017-06-07 16:07:33 +02:00
parent 030b1f7a27
commit 0db8dc9ddc
1 changed files with 3 additions and 1 deletions
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4
parserInternals.c
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@ -1101,8 +1101,10 @@ xmlSwitchEncoding(xmlParserCtxtPtr ctxt, xmlCharEncoding enc)
break;
}
}
if (handler == NULL)
if (handler == NULL) {
xmlStopParser(ctxt);
return(-1);
}
ctxt->charset = XML_CHAR_ENCODING_UTF8;
ret = xmlSwitchToEncodingInt(ctxt, handler, len);
if ((ret < 0) || (ctxt->errNo == XML_I18N_CONV_FAILED)) {