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Dan Rosenberg 0d0138ebe2 xtensa: prevent arbitrary read in ptrace 
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>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-25 20:57:07 -07:00
..
alpha modules: make arch's use default loader hooks 2011-07-24 22:06:04 +09:30
arm Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq 2011-07-24 20:56:18 -07:00
avr32 Merge branch 'for-upstream' of git://openrisc.net/jonas/linux 2011-07-24 09:55:18 -07:00
blackfin modules: make arch's use default loader hooks 2011-07-24 22:06:04 +09:30
cris modules: make arch's use default loader hooks 2011-07-24 22:06:04 +09:30
frv modules: make arch's use default loader hooks 2011-07-24 22:06:04 +09:30
h8300 modules: make arch's use default loader hooks 2011-07-24 22:06:04 +09:30
ia64 Merge git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus 2011-07-24 09:54:54 -07:00
m32r Merge branch 'for-upstream' of git://openrisc.net/jonas/linux 2011-07-24 09:55:18 -07:00
m68k modules: make arch's use default loader hooks 2011-07-24 22:06:04 +09:30
microblaze modules: make arch's use default loader hooks 2011-07-24 22:06:04 +09:30
mips modules: make arch's use default loader hooks 2011-07-24 22:06:04 +09:30
mn10300 modules: make arch's use default loader hooks 2011-07-24 22:06:04 +09:30
openrisc OpenRISC: Miscellaneous 2011-07-22 18:46:41 +02:00
parisc modules: make arch's use default loader hooks 2011-07-24 22:06:04 +09:30
powerpc Merge git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus 2011-07-24 09:54:54 -07:00
s390 Merge branch 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6 2011-07-24 09:55:45 -07:00
score modules: make arch's use default loader hooks 2011-07-24 22:06:04 +09:30
sh Merge branch 'for-upstream' of git://openrisc.net/jonas/linux 2011-07-24 09:55:18 -07:00
sparc modules: make arch's use default loader hooks 2011-07-24 22:06:04 +09:30
tile modules: make arch's use default loader hooks 2011-07-24 22:06:04 +09:30
um Merge branches 'x86-urgent-for-linus', 'core-debug-for-linus', 'irq-core-for-linus' and 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2011-07-23 10:33:08 -07:00
unicore32 modules: make arch's use default loader hooks 2011-07-24 22:06:04 +09:30
x86 Merge branch 'for-upstream' of git://openrisc.net/jonas/linux 2011-07-24 09:55:18 -07:00
xtensa xtensa: prevent arbitrary read in ptrace 2011-07-25 20:57:07 -07:00
.gitignore
Kconfig mm, powerpc: move the RCU page-table freeing into generic code 2011-05-25 08:39:16 -07:00