Fix eventual null-pointer dereference

8 years ago · 3391dc49cd
parent 15100059fa
commit 3391dc49cd
1 changed files with 4 additions and 1 deletions
--- a/src/event.c
+++ b/src/event.c
@ -44,7 +44,10 @@ void event_call (const u32 id, hashcat_ctx_t *hashcat_ctx, const void *buf, cons
      event_ctx->old_len[i] = event_ctx->old_len[i - 1];
    }

-    memcpy (event_ctx->old_buf[0], buf, len);
+    if (buf)
+    {
+      memcpy (event_ctx->old_buf[0], buf, len);
+    }

    event_ctx->old_len[0] = len;
  }