v4-0002-jsonapi-fully-initialize-dummy-lexer.patch.txt

From d3e639ba2bacf64fc0d2eb3aa9364a87030335f5 Mon Sep 17 00:00:00 2001
From: Jacob Champion <jacob.champion@enterprisedb.com>
Date: Mon, 7 Oct 2024 14:41:31 -0700
Subject: [PATCH v4 2/2] jsonapi: fully initialize dummy lexer

Valgrind reports that checks on lex->inc_state are undefined for the
"dummy lexer" used for incremental parsing, since it's only partially
initialized on the stack. This was introduced in 0785d1b8b2.
Zero-initialize the whole struct.
---
 src/common/jsonapi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/common/jsonapi.c b/src/common/jsonapi.c
index df6e633b5e..0e2a82ad7a 100644
--- a/src/common/jsonapi.c
+++ b/src/common/jsonapi.c
@@ -1622,7 +1622,7 @@ json_lex(JsonLexContext *lex)
 		jsonapi_StrValType *ptok = &(lex->inc_state->partial_token);
 		size_t		added = 0;
 		bool		tok_done = false;
-		JsonLexContext dummy_lex;
+		JsonLexContext dummy_lex = {0};
 		JsonParseErrorType partial_result;
 
 		if (ptok->data[0] == '"')
-- 
2.34.1