From: Philippe Antoine <contact@catenacyber.fr>
Date: Thu, 17 Sep 2020 08:51:29 +0000 (+0200)
Subject: util: THashInitConfig limits hash size when fuzzing
X-Git-Tag: suricata-6.0.0~13
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=dc7a9d2b461eb20a2620ac134374bc696a9fe01c;p=thirdparty%2Fsuricata.git

util: THashInitConfig limits hash size when fuzzing
---

diff --git a/src/util-thash.c b/src/util-thash.c
index 066e52b6e5..05fc92df5e 100644
--- a/src/util-thash.c
+++ b/src/util-thash.c
@@ -311,7 +311,12 @@ THashTableContext *THashInit(const char *cnf_prefix, size_t data_size,
     if (memcap > 0) {
         ctx->config.memcap = memcap;
     } else {
+#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
+        // limit hash size to default when fuzzing
+        ctx->config.memcap = THASH_DEFAULT_MEMCAP;
+#else
         ctx->config.memcap = reset_memcap ? UINT64_MAX : THASH_DEFAULT_MEMCAP;
+#endif
     }
     ctx->config.prealloc = THASH_DEFAULT_PREALLOC;