Fix/xml mutexes #4443
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Fix/xml mutexes #4443
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ryanmkurtz
added
Feature: Decompiler
Status: Triage
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Duplicate of #2969 |
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In the call tree of
openDocument() -> parseDocument() -> xml_tree() -> xml_parse(), the global variablesglobal_scanandhandlerare set.When
openDocument()is used in a multithreaded environment, both variables are modified without a thread locking mechanism.This was discovered while implementing bindings to the sleigh library and is a reproducible SIGSEGV as tracked by angr/pypcode#30
The fixes in this PR are ported from sleighcraft.