tree 6e53008bdc7cd13cc8436ca6a6ec3691733d5ad5
parent 75aaa6f61279758196e5a82b77288109a6a0b5a2
author Murphy Zhou <jencce.kernel@gmail.com> 1569065160 +0800
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1570271436 +0200

CIFS: fix max ea value size

commit 63d37fb4ce5ae7bf1e58f906d1bf25f036fe79b2 upstream.

It should not be larger then the slab max buf size. If user
specifies a larger size, it passes this check and goes
straightly to SMB2_set_info_init performing an insecure memcpy.

Signed-off-by: Murphy Zhou <jencce.kernel@gmail.com>
Reviewed-by: Aurelien Aptel <aaptel@suse.com>
CC: Stable <stable@vger.kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>