tree 3ed8de0ea6869fe17bec7689c493a2db02f73f4a
parent 361f6ed1d00f666a1a7c33f3e9aaccb713f9b9e4
author David Howells <dhowells@redhat.com> 1159347015 -0700
committer Linus Torvalds <torvalds@g5.osdl.org> 1159370774 -0700

[PATCH] NOMMU: Check that access_process_vm() has a valid target

Check that access_process_vm() is accessing a valid mapping in the target
process.

This limits ptrace() accesses and accesses through /proc/<pid>/maps to only
those regions actually mapped by a program.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>