diff options
| -rw-r--r-- | regparse.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/regparse.c b/regparse.c index 1772196bcd..123b3015a5 100644 --- a/regparse.c +++ b/regparse.c @@ -6313,11 +6313,14 @@ parse_exp(Node** np, OnigToken* tok, int term, int r, len, group = 0; Node* qn; Node** targetp; + unsigned int parse_depth; *np = NULL; if (tok->type == (enum TokenSyms )term) goto end_of_token; + parse_depth = env->parse_depth; + switch (tok->type) { case TK_ALT: case TK_EOT: @@ -6628,6 +6631,10 @@ parse_exp(Node** np, OnigToken* tok, int term, if (is_invalid_quantifier_target(*targetp)) return ONIGERR_TARGET_OF_REPEAT_OPERATOR_INVALID; + parse_depth++; + if (parse_depth > ParseDepthLimit) + return ONIGERR_PARSE_DEPTH_LIMIT_OVER; + qn = node_new_quantifier(tok->u.repeat.lower, tok->u.repeat.upper, (r == TK_INTERVAL ? 1 : 0)); CHECK_NULL_RETURN_MEMERR(qn); |