Fixed access to filename which is a null-pointer in benchmark mode

docs/changes.txt

@@ -40,6 +40,7 @@
 ## Bugs
 ##
 
+- Fixed access to filename which is a null-pointer in benchmark mode
 - Fixed both false negative and false positive result in -m 3000 in -a 3 (affected only NVIDIA GPU) 
 - Fixed buffer overflow in -m 1800 in -O mode which is optimized to handle only password candidates up to length 15
 - Fixed buffer overflow in -m 4710 in -P mode and only in single hash mode if salt length was larger than 32 byte

src/hashes.c

@@ -629,6 +629,8 @@ int hashes_init_filename (hashcat_ctx_t *hashcat_ctx)
   user_options_t       *user_options       = hashcat_ctx->user_options;
   user_options_extra_t *user_options_extra = hashcat_ctx->user_options_extra;
 
+  if (user_options->benchmark == true) return 0;
+
   /**
    * load hashes, part I: find input mode, count hashes
    */