Dan Rosenberg f7ac7c5b73 xtensa: prevent arbitrary read in ptrace ...

commit 0d0138ebe24b94065580bd2601f8bb7eb6152f56 upstream.

Prevent an arbitrary kernel read.  Check the user pointer with access_ok()
before copying data in.

[akpm@linux-foundation.org: s/EIO/EFAULT/]
Signed-off-by: Dan Rosenberg <drosenberg@vsecurity.com>
Cc: Christian Zankel <chris@zankel.net>
Cc: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

2011-08-04 21:58:39 -07:00

..

boot

xtensa: change to new flag variable

2011-03-17 14:02:57 +01:00

configs

xtensa: remove obsolete BKL kernel option from defconfig

2011-04-11 14:56:22 +02:00

include/asm

ns: Wire up the setns system call

2011-05-28 10:48:39 -07:00

kernel

xtensa: prevent arbitrary read in ptrace

2011-08-04 21:58:39 -07:00

lib

xtensa: move headers files to arch/xtensa/include

2008-11-06 10:25:09 -08:00

mm

mm: now that all old mmu_gather code is gone, remove the storage

2011-05-25 08:39:16 -07:00

platforms

xtensa: Convert genirq namespace

2011-03-24 20:35:58 +01:00

variants

xtensa: Convert genirq namespace

2011-03-24 20:35:58 +01:00

Kconfig

arch: remove CONFIG_GENERIC_FIND_{NEXT_BIT,BIT_LE,LAST_BIT}

2011-05-26 17:12:38 -07:00

Kconfig.debug

[PATCH] xtensa: Architecture support for Tensilica Xtensa Part 1

2005-06-24 00:05:21 -07:00

Makefile

xtensa: Add -mforce-no-pic option is supported

2010-05-02 01:00:22 -07:00