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(parent: f55d471) | patch
USB: ssu100: fix use-after-free in TIOCMIWAIT
authorJohan Hovold <jhovold@gmail.com>
Tue, 19 Mar 2013 08:21:25 +0000 (09:21 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 21 Mar 2013 22:59:05 +0000 (15:59 -0700)
commit108d2af434f1048f0c8b93b7ba215a358bd3b179
treec0211faa5c8df0612640b6e6dc39baad0ebd08d5tree | snapshot
parentf55d47143ab428608f436fd124ce2130c88df046commit | diff
USB: ssu100: fix use-after-free in TIOCMIWAIT

Use the port wait queue and make sure to check the serial disconnected
flag before accessing private port data after waking up.

This is is needed as the private port data (including the wait queue
itself) can be gone when waking up after a disconnect.

Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/serial/ssu100.c diff | blob | history
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