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(parent: bd998c2) | patch
USB: serial: console: fix use-after-free after failed setup
authorJohan Hovold <johan@kernel.org>
Wed, 4 Oct 2017 09:01:13 +0000 (11:01 +0200)
committerJohan Hovold <johan@kernel.org>
Mon, 9 Oct 2017 10:33:31 +0000 (12:33 +0200)
commit299d7572e46f98534033a9e65973f13ad1ce9047
tree79ddc0e00eb1354704502f41d3d6aa5a21b109a8tree | snapshot (tar.gz zip)
parentbd998c2e0df0469707503023d50d46cf0b10c787commit | diff
USB: serial: console: fix use-after-free after failed setup

Make sure to reset the USB-console port pointer when console setup fails
in order to avoid having the struct usb_serial be prematurely freed by
the console code when the device is later disconnected.

Fixes: 73e487fdb75f ("[PATCH] USB console: fix disconnection issues")
Cc: stable <stable@vger.kernel.org> # 2.6.18
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
drivers/usb/serial/console.c diff | blob | blame | history