readelf: mask unknown description data bytes.

When printing unknown note types, readelf prints the raw description
section byte-by-byte. However, it does not mask appropriately, e.g. it
prints the byte 'ba' as 'ffffffba'.

	* readelf.c (process_note): Mask unknown description data bytes.

diff --git a/binutils/ChangeLog b/binutils/ChangeLog
index b60ae64..0498a0c 100644 (file)
--- a/binutils/ChangeLog
+++ b/binutils/ChangeLog
@@ -1,3 +1,7 @@
+2019-08-08  Jordan Rupprecht  <rupprecht@google.com>
+
+       * readelf.c (process_note): Mask unknown description data bytes.
+
 2019-08-08  Alan Modra  <amodra@gmail.com>
 
        * readelf.c (get_data): Improve overflow checks.

diff --git a/binutils/readelf.c b/binutils/readelf.c
index 3e3e27d..3c8a9d4 100644 (file)
--- a/binutils/readelf.c
+++ b/binutils/readelf.c
@@ -19115,7 +19115,7 @@ process_note (Elf_Internal_Note *  pnote,
 
       printf (_("   description data: "));
       for (i = 0; i < pnote->descsz; i++)
-       printf ("%02x ", pnote->descdata[i]);
+       printf ("%02x ", pnote->descdata[i] & 0xff);
       if (!do_wide)
        printf ("\n");
     }