From 743f892b3ed6b2c761a92702bdf291d1d52c0820 Mon Sep 17 00:00:00 2001
From: Zach Riggle <riggle@google.com>
Date: Tue, 21 Jul 2015 14:58:40 -0400
Subject: [PATCH] Fix telescope for negative values; add debug message

---
 pwndbg/commands/telescope.py | 3 ++-
 pwndbg/vmmap.py              | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/pwndbg/commands/telescope.py b/pwndbg/commands/telescope.py
index ed1f42314..4dfb814eb 100644
--- a/pwndbg/commands/telescope.py
+++ b/pwndbg/commands/telescope.py
@@ -6,6 +6,7 @@ Prints out pointer chains starting at some address in memory.
 Generally used to print out the stack or register values.
 """
 import collections
+import pwndbg.arch
 import pwndbg.chain
 import pwndbg.commands
 import pwndbg.memory
@@ -30,7 +31,7 @@ def telescope(address=None, count=8, to_string=False):
         count   = address
         address = pwndbg.regs.sp
 
-    address = int(address)
+    address = int(address) & pwndbg.arch.ptrmask
     count   = int(count)
 
     reg_values = collections.defaultdict(lambda: [])
diff --git a/pwndbg/vmmap.py b/pwndbg/vmmap.py
index 9cdaef596..5ac2ccccf 100644
--- a/pwndbg/vmmap.py
+++ b/pwndbg/vmmap.py
@@ -331,7 +331,7 @@ def check_aslr():
     try:
         data = pwndbg.file.get('/proc/sys/kernel/randomize_va_space')
     except Exception as e:
-        print(e)
+        print("Could not check ASLR: Couldn't get randomize_va_space")
         pass
 
     # Systemwide ASLR is disabled