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Message-Id: <1331640263-18935-4-git-send-email-djkurtz@chromium.org> Date: Tue, 13 Mar 2012 20:04:06 +0800 From: Daniel Kurtz <djkurtz@...omium.org> To: Dmitry Torokhov <dmitry.torokhov@...il.com>, Joonyoung Shim <jy0922.shim@...sung.com>, Iiro Valkonen <iiro.valkonen@...el.com>, Henrik Rydberg <rydberg@...omail.se>, 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 03/20] 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 0d4d492..e18c698 100644 --- a/drivers/input/touchscreen/atmel_mxt_ts.c +++ b/drivers/input/touchscreen/atmel_mxt_ts.c @@ -506,7 +506,7 @@ static int mxt_write_object(struct mxt_data *data, u16 reg; object = mxt_get_object(data, type); - if (!object) + if (!object || offset >= object->size) 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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