Fix #12492 fuzzing crash (stack overflow) in CheckLeakAutoVar::checkT…

…okenInsideExpression()
danmar · Mar 13, 2024 · ea23882 · ea23882
1 parent 54f46d3
commit ea23882
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diff --git a/lib/tokenlist.cpp b/lib/tokenlist.cpp
@@ -492,6 +492,9 @@ static bool iscast(const Token *tok, bool cpp)
     if (Token::simpleMatch(tok->link(), ") ( )"))
         return false;
 
+    if (Token::Match(tok->link(), ") %assign%"))
+        return false;
+
     if (tok->previous() && tok->previous()->isName() && tok->previous()->str() != "return" &&
         (!cpp || !Token::Match(tok->previous(), "delete|throw")))
         return false;

diff --git a/test/cli/fuzz-crash/crash-d6609399a4398aed92f5ac9e53aa0554d9f8bbd6 b/test/cli/fuzz-crash/crash-d6609399a4398aed92f5ac9e53aa0554d9f8bbd6
@@ -0,0 +1 @@
+_(){w((char)=e)}