On Mon, Jun 4, 2018 at 6:29 AM Samuel Ortiz wrote:
>
> Hi Andrey,
>
> On Thu, Apr 12, 2018 at 06:56:56PM +0200, Andrey Konovalov wrote:
> > nfc_genl_deactivate_target() relies on the NFC_ATTR_TARGET_INDEX
> > attribute being present, but doesn't check whether it is actually
> > provided by the use
nfc_genl_deactivate_target() relies on the NFC_ATTR_TARGET_INDEX
attribute being present, but doesn't check whether it is actually
provided by the user. Same goes for nfc_genl_fw_download() and
NFC_ATTR_FIRMWARE_NAME.
This patch adds appropriate checks.
Found with syzkaller.
Signed-off-by: Andre