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pgsql: Add recursion depth protection to LIKE matching.

From:	Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To:	pgsql-committers(at)postgresql(dot)org
Subject:	pgsql: Add recursion depth protection to LIKE matching.
Date:	2015-10-02 19:01:16
Message-ID:	E1Zi5a0-00016t-Gw@gemulon.postgresql.org
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Add recursion depth protection to LIKE matching.

Since MatchText() recurses, it could in principle be driven to stack
overflow, although quite a long pattern would be needed.

Branch
------
REL9_4_STABLE

Modified Files
--------------
src/backend/utils/adt/like.c | 1 +
src/backend/utils/adt/like_match.c | 3 +++
2 files changed, 4 insertions(+)

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