From bd21e202b9fa56102cc292b0c5fcc2f22377d850 Mon Sep 17 00:00:00 2001 From: Nikita Popov Date: Tue, 8 Oct 2019 17:38:49 +0200 Subject: [PATCH] Reduce oniguruma limits in fuzzing sapi The defaults are fairly conservative and may still take quite a bit to match a single expression. Reduce them by a factor of 10x to speed up fuzzing. --- sapi/fuzzer/fuzzer-sapi.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/sapi/fuzzer/fuzzer-sapi.c b/sapi/fuzzer/fuzzer-sapi.c index 679c16c356..fb552974e8 100644 --- a/sapi/fuzzer/fuzzer-sapi.c +++ b/sapi/fuzzer/fuzzer-sapi.c @@ -33,7 +33,10 @@ const char HARDCODED_INI[] = "html_errors=0\n" "implicit_flush=1\n" "output_buffering=0\n" - "error_reporting=0"; + "error_reporting=0\n" + /* Reduce oniguruma limits by a factor of 10 to speed up fuzzing */ + "mbstring.regex_stack_limit=10000\n" + "mbstring.regex_retry_limit=100000"; static int startup(sapi_module_struct *sapi_module) { -- 2.50.1