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staging: rtl8192u: fix ->ssid overflow in r8192_wx_set_scan()
commit 8710751 upstream. We need to cap len at IW_ESSID_MAX_SIZE (32) to avoid memory corruption. This can be controlled by the user via the ioctl. Fixes: 5f53d8c ("Staging: add rtl8192SU wireless usb driver") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Cc: stable <stable@vger.kernel.org> Link: https://lore.kernel.org/r/YEHoAWMOSZBUw91F@mwanda Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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