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apparmor/kernel-patches/4.5/0023-apparmor-fix-arg_size-computation-for-when-setprocat.patch

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From 1b98560066c26fecb0a61aeb9249e141af2e63f9 Mon Sep 17 00:00:00 2001
From: John Johansen <john.johansen@canonical.com>
Date: Sat, 9 Jul 2016 23:46:33 -0700
Subject: [PATCH 23/27] apparmor: fix arg_size computation for when setprocattr
is null terminated
Signed-off-by: John Johansen <john.johansen@canonical.com>
---
security/apparmor/lsm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/security/apparmor/lsm.c b/security/apparmor/lsm.c
index bd40b12..1bf6c53 100644
--- a/security/apparmor/lsm.c
+++ b/security/apparmor/lsm.c
@@ -552,7 +552,7 @@ static int apparmor_setprocattr(struct task_struct *task, char *name,
if (!*args)
goto out;
- arg_size = size - (args - (char *) value);
+ arg_size = size - (args - (largs ? largs : (char *) value));
if (strcmp(name, "current") == 0) {
if (strcmp(command, "changehat") == 0) {
error = aa_setprocattr_changehat(args, arg_size,
--
2.7.4