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(parent: 12fe624) | patch
Input: cm109 - validate number of endpoints before using them
authorJohan Hovold <johan@kernel.org>
Thu, 16 Mar 2017 18:35:12 +0000 (11:35 -0700)
committerBen Hutchings <ben@decadent.org.uk>
Tue, 18 Jul 2017 17:38:34 +0000 (18:38 +0100)
commit91b1397df10443bd9ccbc50fbe21fcb3c361d104
tree212d8bedb2a1203f6cd5f026501c92f64c287dc5tree | snapshot
parent12fe624c8378896115a26f89f095c37dcab8784bcommit | diff
Input: cm109 - validate number of endpoints before using them

commit ac2ee9ba953afe88f7a673e1c0c839227b1d7891 upstream.

Make sure to check the number of endpoints to avoid dereferencing a
NULL-pointer should a malicious device lack endpoints.

Fixes: c04148f915e5 ("Input: add driver for USB VoIP phones with CM109...")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
drivers/input/misc/cm109.c diff | blob | history
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