From b7c0fe875175e28f6d0806067b59fafd9fee065f Mon Sep 17 00:00:00 2001
From: andigena <andigena@users.noreply.github.com>
Date: Wed, 12 Oct 2016 18:31:53 +0200
Subject: [PATCH] Avoid infinite loop on 0-sized chunks in heap command (#124)

---
 pwndbg/commands/heap.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pwndbg/commands/heap.py b/pwndbg/commands/heap.py
index 0d1750bdb..24712eb55 100755
--- a/pwndbg/commands/heap.py
+++ b/pwndbg/commands/heap.py
@@ -80,6 +80,8 @@ def heap(addr=None):
 
         # Clear the bottom 3 bits
         size &= ~7
+        if size == 0:
+            break
         addr += size
 
 @pwndbg.commands.ParsedCommand