[PATCH] check put_user fail in do_signal when enable OABI_COMPACT
From: ye janboe <hidden>
Date: 2009-10-25 06:23:09
hi, Russell Your patch looks good for real fixing this issue. 2009/10/24 Russell King - ARM Linux [off-list ref]:
On Thu, Oct 22, 2009 at 11:35:22AM +0800, ye janboe wrote:quoted
hi, No one think that it is possible that put_user could fail in some situation even if currently kernel subtract 12 from ARM_sp and cross page bound?It is possible, and it's something we should fix. ?Note there's another fix in this area (I've just posted) which will make your patch invalid. Please wait until we've sorted out this other patch.