UB runtime error: member access within null pointer at IccXML/IccLibXML/IccMpeXml.cpp:3123:54

[xsscx]

Maintainer Repro

Mon Dec 29 07:38:48 PM UTC 2025

Step 1. wget https://raw.githubusercontent.com/xsscx/Commodity-Injection-Signatures/refs/heads/master/xml/icc/npd-CIccMpeXmlCalculator-ParseXml-ub-load-null-ptr.xml

Step 2. iccFromXml npd-CIccMpeXmlCalculator-ParseXml-ub-load-null-ptr.xml foo.bar

Expected Output

IccXML/IccLibXML/IccMpeXml.cpp:3123:54: runtime error: member access within null pointer of type 'struct _xmlNode'
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior iccDEV/IccXML/IccLibXML/IccMpeXml.cpp:3123:54