From a2cc06de7b7feb6dc04e1a086324fc10bc198ba1 Mon Sep 17 00:00:00 2001
From: Zach Riggle <riggle@google.com>
Date: Mon, 27 Feb 2017 13:39:50 -0500
Subject: [PATCH] MMAP_MIN_ADDR is zero if debugging a kernel

---
 pwndbg/memory.py | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/pwndbg/memory.py b/pwndbg/memory.py
index dc96e8b0bb..3e1cb91bb9 100644
--- a/pwndbg/memory.py
+++ b/pwndbg/memory.py
@@ -15,6 +15,8 @@
 
 import pwndbg.arch
 import pwndbg.compat
+import pwndbg.events
+import pwndbg.qemu
 import pwndbg.typeinfo
 
 PAGE_SIZE = 0x1000
@@ -225,3 +227,9 @@ def __lt__(self, other):
         return self.vaddr < getattr(other, 'vaddr', other)
     def __hash__(self):
         return hash((self.vaddr, self.memsz, self.flags, self.offset, self.objfile))
+
+@pwndbg.events.start
+def update_min_addr():
+    global MMAP_MIN_ADDR
+    if pwndbg.qemu.is_qemu_kernel():
+        MMAP_MIN_ADDR=0