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(parent: cb1b494) | patch
Input: sur40 - validate number of endpoints before using them
authorJohan Hovold <johan@kernel.org>
Thu, 16 Mar 2017 18:43:09 +0000 (11:43 -0700)
committerDmitry Torokhov <dmitry.torokhov@gmail.com>
Thu, 16 Mar 2017 20:56:54 +0000 (13:56 -0700)
commit92461f5d723037530c1f36cce93640770037812c
tree89b2cd0328aafea7d6e311ee9998f8dd489fd4ectree | snapshot
parentcb1b494663e037253337623bf1ef2df727883cb7commit | diff
Input: sur40 - validate number of endpoints before using them

Make sure to check the number of endpoints to avoid dereferencing a
NULL-pointer or accessing memory that lie beyond the end of the endpoint
array should a malicious device lack the expected endpoints.

Fixes: bdb5c57f209c ("Input: add sur40 driver for Samsung SUR40... ")
Signed-off-by: Johan Hovold <johan@kernel.org>
Cc: stable@vger.kernel.org # 3.13
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
drivers/input/touchscreen/sur40.c diff | blob | history
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