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relaxng: Fix tree corruption in xmlRelaxNGParseNameClass

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Don't create cycles in tree structure. This will lead to an infinite
loop or call stack overflow later.

Closes: https://gitlab.gnome.org/GNOME/libxml2/-/issues/711
This commit is contained in:
Seiya Nakata
2024-04-04 11:55:28 +09:00
committed by Nick Wellnhofer
parent 16ccb61dc1
commit 5bb84b47b8
4 changed files with 18 additions and 1 deletions
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15
test/relaxng/anyName1.rng Normal file
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@@ -0,0 +1,15 @@
<?xml version="1.0" encoding="UTF-8"?>
<grammar xmlns="http://relaxng.org/ns/structure/1.0">
<start>
<element>
<choice>
<name>c</name>
<choice>
<name>a</name>
<name>b</name>
</choice>
</choice>
<empty/>
</element>
</start>
</grammar>

1
test/relaxng/anyName1_0.xml Normal file
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@@ -0,0 +1 @@
<b/>