Input: ims-psu - check if CDC union descriptor is sane

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Before trying to use CDC union descriptor, try to validate whether that it
is sane by checking that intf->altsetting->extra is big enough and that
descriptor bLength is not too big and not too small.

Reported-by: Andrey Konovalov <andreyknvl@google.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

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Dmitry Torokhov 2017-10-07 11:07:47 -07:00

parent 20ac95d52a

commit ea04efee76

1 changed files with 14 additions and 2 deletions

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16

drivers/input/misc/ims-pcu.c

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