Land #5139, metasm/ruby signedness fix

2015-04-14 10:26:23 -05:00 · 2015-04-14 10:26:23 -05:00 · 97e715b1ce
parent f6285991b3 3860bbabbb
commit 97e715b1ce
1 changed files with 2 additions and 2 deletions
--- a/lib/metasm/metasm/main.rb
+++ b/lib/metasm/metasm/main.rb
@ -306,8 +306,8 @@ class ExeFormat
  # creates a new label, that is guaranteed to never be returned again as long as this object (ExeFormat) exists
  def new_label(base = '')
    base = base.dup.tr('^a-zA-Z0-9_', '_')
-    # use %x instead of to_s(16) for negative values
-    base = (base << '_uuid' << ('%08x' % base.object_id)).freeze if base.empty? or @unique_labels_cache[base]
+    # use %x with absolute value to avoid negative number formatting
+    base = (base << '_uuid' << ('%08x' % base.object_id.abs)).freeze if base.empty? or @unique_labels_cache[base]
    @unique_labels_cache[base] = true
    base
  end