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(parent: c6a4404) | patch
frv: fix clear_user()
authorAl Viro <viro@zeniv.linux.org.uk>
Fri, 19 Aug 2016 00:54:02 +0000 (20:54 -0400)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 24 Sep 2016 08:07:44 +0000 (10:07 +0200)
commitad3817096cf97fad790f45a38c53d5bb39c1b5be
treeb32bbcf5e9b133cd97ac4d52d5680d926be0595dtree | snapshot
parentc6a4404dc27411fe3f1876dbf21f1839bcc207c1commit | diff
frv: fix clear_user()

commit 3b8767a8f00cc6538ba6b1cf0f88502e2fd2eb90 upstream.

It should check access_ok().  Otherwise a bunch of places turn into
trivially exploitable rootholes.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
arch/frv/include/asm/uaccess.h diff | blob | history
Mirror: https://github.com/0ranko0P/kernel_xiaomi_msm8998/
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