srdo commented on a change in pull request #644:
URL: https://github.com/apache/logging-log4j2/pull/644#discussion_r775127430
##########
File path:
log4j-core/src/main/java/org/apache/logging/log4j/core/lookup/StrSubstitutor.java
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@@ -168,6 +168,11 @@
private static final int BUF_SIZE = 256;
+ /**
+ * The maximum number of recursions performed during substitution.
+ */
+ private static final int MAX_SUBSTITUTION_RECURSIONS = 10;
Review comment:
Otherwise, if people are fine with this being a fixed number, I'll
inline the constant as suggested. Let me know what you prefer :)
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