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Message-Id: <1334755319-21365-5-git-send-email-djkurtz@chromium.org> Date: Wed, 18 Apr 2012 21:21:49 +0800 From: Daniel Kurtz <djkurtz@...omium.org> To: Dmitry Torokhov <dmitry.torokhov@...il.com>, Henrik Rydberg <rydberg@...omail.se>, Joonyoung Shim <jy0922.shim@...sung.com>, Nick Dyer <nick.dyer@...ev.co.uk>, linux-input@...r.kernel.org, linux-kernel@...r.kernel.org Cc: Benson Leung <bleung@...omium.org>, Yufeng Shen <miletus@...omium.org>, Daniel Kurtz <djkurtz@...omium.org> Subject: [PATCH 04/14 v3] Input: atmel_mxt_ts - verify object size in mxt_write_object Don't allow writing past the length of an object. Signed-off-by: Daniel Kurtz <djkurtz@...omium.org> --- drivers/input/touchscreen/atmel_mxt_ts.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c index 517bb96..1d0639d 100644 --- a/drivers/input/touchscreen/atmel_mxt_ts.c +++ b/drivers/input/touchscreen/atmel_mxt_ts.c @@ -516,7 +516,7 @@ static int mxt_write_object(struct mxt_data *data, u16 reg; object = mxt_get_object(data, type); - if (!object) + if (!object || offset >= object->size + 1) return -EINVAL; reg = object->start_address; -- 1.7.7.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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