From: Eugene Teo <eteo@redhat.com>
Date: Fri, 29 Sep 2006 08:59:33 +0000 (-0700)
Subject: [PATCH] Require mmap handler for a.out executables
X-Git-Tag: v2.6.19-rc1~801
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8454aeef6fea944ced757ff8e761b59eb3ee960f;p=pandora-kernel.git

[PATCH] Require mmap handler for a.out executables

Files supported by fs/proc/base.c, i.e.  /proc/<pid>/*, are not capable of
meeting the validity checks in ELF load_elf_*() handling because they have
no mmap handler which is required by ELF.  In order to stop a.out
executables being used as part of an exploit attack against /proc-related
vulnerabilities, we make a.out executables depend on ->mmap() existing.

Signed-off-by: Eugene Teo <eteo@redhat.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

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