From: Paul Wise <pabs3@bonedaddy.net>
Date: Sun, 13 May 2012 17:45:15 +0000 (+0200)
Subject: Improve the message that is printed when Linux denies access to taskstats.
X-Git-Tag: iotop-0.6~32
X-Git-Url: https://repo.or.cz/w/iotop.git/commitdiff_plain/b21d6fbaf0d3ceede325f3f5d4c79dfab19b6bed

Improve the message that is printed when Linux denies access to taskstats.
---

diff --git a/iotop/ui.py b/iotop/ui.py
index 3292310..bfec6d8 100644
--- a/iotop/ui.py
+++ b/iotop/ui.py
@@ -482,8 +482,14 @@ def run_iotop(options):
     except OSError, e:
         if e.errno == errno.EPERM:
             print >> sys.stderr, e
-            print >> sys.stderr, ('iotop requires root or the NET_ADMIN '
-                                  'capability.')
+            print >> sys.stderr, ('''
+The Linux kernel interfaces that iotop relies on now require root priviliges
+or the NET_ADMIN capability. This change occured because a security issue
+(CVE-2011-2494) was found that allows leakage of sensitive data across user
+boundaries. If you require the ability to run iotop as a non-root user, please
+configure sudo to allow you to run iotop as root.
+
+Please do not file bugs on iotop about this.''')
             sys.exit(1)
         else:
             raise