Check whether the encode is valid

2020-04-02 22:41:46 +08:00 · 2020-04-02 22:41:46 +08:00 · dd5d5ab2c5
parent 4bd7abb502
commit dd5d5ab2c5
1 changed files with 5 additions and 1 deletions
--- a/lib/rex/text/table.rb
+++ b/lib/rex/text/table.rb
@ -423,7 +423,11 @@ protected
        __method__.to_s << ': String with unsupported encoding caught!'
    end
    utf8_buf = buf.dup.force_encoding("UTF-8")
-    hans_size = utf8_buf.size - utf8_buf.gsub(/\p{Han}+/u, '').size
+    if !utf8_buf.valid_encoding?
+      hans_size = 0
+    else
+      hans_size = utf8_buf.size - utf8_buf.gsub(/\p{Han}+/u, '').size
+    end
    remainder = max - utf8_buf.length - hans_size
    remainder = 0 if remainder < 0
    val       = chr * remainder