ieee802154: atusb: fix use-after-free at disconnect
commit 7fd25e6fc035f4b04b75bca6d7e8daa069603a76 upstream. The disconnect callback was accessing the hardware-descriptor private data after having having freed it. Fixes: 7490b008 ("ieee802154: add support for atusb transceiver") Cc: stable <stable@vger.kernel.org> # 4.2 Cc: Alexander Aring <alex.aring@gmail.com> Reported-by: syzbot+f4509a9138a1472e7e80@syzkaller.appspotmail.com Signed-off-by: NJohan Hovold <johan@kernel.org> Signed-off-by: NStefan Schmidt <stefan@datenfreihafen.org> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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