Fixed infinite loop when using --loopback in case all hashes have been cracked

Fixes https://github.com/hashcat/hashcat/issues/917

docs/changes.txt

@@ -4,13 +4,14 @@
 ## Features
 ##
 
-- New option --progress-only: Quickly provides ideal progress step size and time to process it per device based on the user hashes and selected options, then quit
+- New option --progress-only: Quickly provides ideal progress step size and time to process on the user hashes and selected options, then quit
 - Files: Use $HEX[...] in case the password includes the separater character, increases potfile reading performance
 
 ##
 ## Bugs
 ##
 
+- Fixed infinite loop when using --loopback in case all hashes have been cracked
 - Fixed double fclose() using AMDGPU-Pro on sysfs compatible platform: Leading to segfault
 - Removed access to readlink() on FreeBSD: Causes problem building hashcat
 

src/hashcat.c

@@ -293,11 +293,14 @@ static int inner2_loop (hashcat_ctx_t *hashcat_ctx)
     {
       for (induct_ctx->induction_dictionaries_pos = 0; induct_ctx->induction_dictionaries_pos < induct_ctx->induction_dictionaries_cnt; induct_ctx->induction_dictionaries_pos++)
       {
-        const int rc_inner2_loop = inner2_loop (hashcat_ctx);
+        if (status_ctx->devices_status != STATUS_CRACKED)
+        {
+          const int rc_inner2_loop = inner2_loop (hashcat_ctx);
 
-        if (rc_inner2_loop == -1) myabort (hashcat_ctx);
+          if (rc_inner2_loop == -1) myabort (hashcat_ctx);
 
-        if (status_ctx->run_main_level3 == false) break;
+          if (status_ctx->run_main_level3 == false) break;
+        }
 
         unlink (induct_ctx->induction_dictionaries[induct_ctx->induction_dictionaries_pos]);
       }