From: zhanglin <zhang.lin16@zte.com.cn>
Date: Sat, 21 Sep 2019 01:57:15 +0000 (+0800)
Subject: selinux: remove load size limit
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=e40642dc01b87a8b202ce39013b0a4881025a816;p=linux.git

selinux: remove load size limit

Load size was limited to 64MB, this was legacy limitation due to vmalloc()
which was removed a while ago.

Signed-off-by: zhanglin <zhang.lin16@zte.com.cn>
[PM: removed comments in the description about 'real world use cases']
Signed-off-by: Paul Moore <paul@paul-moore.com>
---

diff --git a/security/selinux/selinuxfs.c b/security/selinux/selinuxfs.c
index e6c7643c3fc08..ee94fa469c29e 100644
--- a/security/selinux/selinuxfs.c
+++ b/security/selinux/selinuxfs.c
@@ -548,10 +548,6 @@ static ssize_t sel_write_load(struct file *file, const char __user *buf,
 	if (*ppos != 0)
 		goto out;
 
-	length = -EFBIG;
-	if (count > 64 * 1024 * 1024)
-		goto out;
-
 	length = -ENOMEM;
 	data = vmalloc(count);
 	if (!data)