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ltree: Zero padding bytes when allocating memory for externally visible data.

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ltree/ltree_gist/ltxtquery's headers stores data at MAXALIGN alignment,
requiring some padding bytes. So far we left these uninitialized. Zero
those by using palloc0.

Author: Andres Freund
Reported-By: Andres Freund / valgrind / buildarm animal skink
Backpatch: 9.1-
This commit is contained in:
Andres Freund
2016-03-08 14:59:29 -08:00
parent 61fd218930
commit 7a1d4a2448
5 changed files with 20 additions and 20 deletions
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2
contrib/ltree/ltxtquery_io.c
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@ -350,7 +350,7 @@ queryin(char *buf)
errmsg("ltxtquery is too large")));
commonlen = COMPUTESIZE(state.num, state.sumlen);
query = (ltxtquery *) palloc(commonlen);
query = (ltxtquery *) palloc0(commonlen);
SET_VARSIZE(query, commonlen);
query->size = state.num;
ptr = GETQUERY(query);