From: Nikita Popov <nikita.ppv@gmail.com>
Date: Sat, 14 Dec 2019 21:42:05 +0000 (+0100)
Subject: Further reduce parse depth limit in mbstring fuzzer
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=7df8f952ae7d0cb921f127fa8b005b82196b8f19;p=php

Further reduce parse depth limit in mbstring fuzzer

Depth limit of 1024 still causes optimize_node stack overflows
when running under asan.
---

diff --git a/sapi/fuzzer/fuzzer-mbstring.c b/sapi/fuzzer/fuzzer-mbstring.c
index 5821024ec3..9c00761ad0 100644
--- a/sapi/fuzzer/fuzzer-mbstring.c
+++ b/sapi/fuzzer/fuzzer-mbstring.c
@@ -69,7 +69,7 @@ int LLVMFuzzerInitialize(int *argc, char ***argv) {
 	fuzzer_init_php();
 
 	/* The default parse depth limit allows stack overflows under asan. */
-	onig_set_parse_depth_limit(1024);
+	onig_set_parse_depth_limit(512);
 
 	/* fuzzer_shutdown_php(); */
 	return 0;