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Input: ims-psu - check if CDC union descriptor is sane
authorDmitry Torokhov <dmitry.torokhov@gmail.com>
Sat, 7 Oct 2017 18:07:47 +0000 (11:07 -0700)
committerDmitry Torokhov <dmitry.torokhov@gmail.com>
Fri, 20 Oct 2017 00:20:06 +0000 (17:20 -0700)
commit6160084aab95eddc28df9ec19cfbd7084ab6621a
tree8f92d81e0afbc1d9106adf455e56365363ab6cf0tree | snapshot
parent80092ec19e243b9d02ba273724a16097b422ec86commit | diff
Input: ims-psu - check if CDC union descriptor is sane

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>
drivers/input/misc/ims-pcu.c diff | blob | history
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