parser: ltsv: fix potential overflow (oss-fuzz)

Signed-off-by: Eduardo Silva <[email protected]>
fluent · Apr 29, 2020 · b0baec3 · b0baec3
1 parent 73d30b9
commit b0baec3
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/src/flb_parser_logfmt.c b/src/flb_parser_logfmt.c
@@ -99,11 +99,16 @@ static int logfmt_parser(struct flb_parser *parser,
         while ((c < end) && ident_byte[*c]) {
             c++;
         }
+        if (c == end) {
+            break;
+        }
+
         key_len = c - key;
         /* value */
         value_len = 0;
         value_str = FLB_FALSE;
         value_escape =  FLB_FALSE;
+
         if (*c == '=') {
             c++;
             if (c < end) {