Added an additional check when dereferencing a pointer

Sergey · hackorum · commit 731ef022f5eb · 2026-04-06T08:26:18.000Z
diff --git a/src/common/jsonapi.c b/src/common/jsonapi.c
@@ -2574,6 +2574,9 @@ json_errdetail(JsonParseErrorType error, JsonLexContext *lex)
 	if (PQExpBufferBroken(lex->errormsg))
 		return _("out of memory while constructing error description");
 #endif
+	
+	if (!lex->errormsg)
+		return _("out of memory while constructing error description");
 
 	return lex->errormsg->data;
 }

Original file line number	Diff line number	Diff line change
`@@ -2574,6 +2574,9 @@ json_errdetail(JsonParseErrorType error, JsonLexContext *lex)`
`2574`	`2574`	`if (PQExpBufferBroken(lex->errormsg))`
`2575`	`2575`	`return _("out of memory while constructing error description");`
`2576`	`2576`	`#endif`
	`2577`	`+`
	`2578`	`+ if (!lex->errormsg)`
	`2579`	`+ return _("out of memory while constructing error description");`
`2577`	`2580`
`2578`	`2581`	`return lex->errormsg->data;`
`2579`	`2582`	`}`