32 lines
975 B
Diff
32 lines
975 B
Diff
From 15b0ed0815d48ac48c7b95a28b8332a298ed7072 Mon Sep 17 00:00:00 2001
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From: Nick Wellnhofer <wellnhofer@aevum.de>
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Date: Thu, 16 Feb 2023 15:09:02 +0100
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Subject: [PATCH] malloc-fail: Fix infinite loop in htmlParseDocTypeDecl
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Found with libFuzzer, see #344.
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Reference:https://github.com/GNOME/libxml2/commit/15b0ed0815d48ac48c7b95a28b8332a298ed7072
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Conflict:NA
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---
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HTMLparser.c | 3 ++-
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1 file changed, 2 insertions(+), 1 deletion(-)
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diff --git a/HTMLparser.c b/HTMLparser.c
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index e02a142..457b2a3 100644
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--- a/HTMLparser.c
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+++ b/HTMLparser.c
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@@ -3695,7 +3695,8 @@ htmlParseDocTypeDecl(htmlParserCtxtPtr ctxt) {
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htmlParseErr(ctxt, XML_ERR_DOCTYPE_NOT_FINISHED,
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"DOCTYPE improperly terminated\n", NULL, NULL);
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/* Ignore bogus content */
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- while ((CUR != 0) && (CUR != '>'))
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+ while ((CUR != 0) && (CUR != '>') &&
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+ (ctxt->instate != XML_PARSER_EOF))
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NEXT;
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}
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if (CUR == '>')
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--
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2.27.0
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