[libxml2] Fix parser termination from "Double hyphen within comment" error
- From: Nick Wellnhofer <nwellnhof src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [libxml2] Fix parser termination from "Double hyphen within comment" error
- Date: Tue, 14 May 2019 13:56:09 +0000 (UTC)
commit 3c0d62b4193c5c1fe15a143a138f76ffa1278779
Author: David Warring <david warring gmail com>
Date: Mon May 13 07:15:44 2019 +1200
Fix parser termination from "Double hyphen within comment" error
The patch fixes the parser not halting immediately when the error
handler attempts to stop the parser.
Rather it was running on and continuing to reference the freed buffer
in the while loop termination test.
This is only a problem if xmlStopParser is called from an error
handler. Probably caused by commit 123234f2. Fixes #58.
parser.c | 4 ++++
1 file changed, 4 insertions(+)
---
diff --git a/parser.c b/parser.c
index 5879d3bc..2cab92c6 100644
--- a/parser.c
+++ b/parser.c
@@ -4955,6 +4955,10 @@ get_more:
} else
xmlFatalErrMsgStr(ctxt, XML_ERR_HYPHEN_IN_COMMENT,
"Double hyphen within comment\n", NULL);
+ if (ctxt->instate == XML_PARSER_EOF) {
+ xmlFree(buf);
+ return;
+ }
in++;
ctxt->input->col++;
}
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