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(parent: 41aa2aa) | patch
USB: ark3116: fix use-after-free in TIOCMIWAIT
authorJohan Hovold <jhovold@gmail.com>
Tue, 19 Mar 2013 08:21:11 +0000 (09:21 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 21 Mar 2013 22:59:02 +0000 (15:59 -0700)
commit259459d5cb0ceec88871f7756d4570ee265b6541
tree252272fa6a60fe30638bef7184a329ff65558148tree | snapshot
parent41aa2aaacc1b69e641151b0e2546343694bfaa08commit | diff
USB: ark3116: 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/ark3116.c diff | blob | history
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