Re: [PATCH] list_debug: Print unmangled addresses

2018-04-02 Thread Tobin C. Harding
On Sun, Apr 01, 2018 at 03:32:37PM -0700, Matthew Wilcox wrote: > From: Matthew Wilcox > > The entire point of printing the pointers in list_debug is to see if > there's any useful information in them (eg poison values, ASCII, etc); > obscuring them to see if they compare equal makes them much le

[PATCH] list_debug: Print unmangled addresses

2018-04-01 Thread Matthew Wilcox
From: Matthew Wilcox The entire point of printing the pointers in list_debug is to see if there's any useful information in them (eg poison values, ASCII, etc); obscuring them to see if they compare equal makes them much less useful. If an attacker can force this message to be printed, we've alre