This is a note to let you know that I've just added the patch titled
Input: cyttsp - fix memcpy size param
to the 3.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
input-cyttsp-fix-memcpy-size-param.patch
and it can be found in the queue-3.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From d2983cdb480157f637df07723f28aaa657b1080d Mon Sep 17 00:00:00 2001
From: Ferruh Yigit <[email protected]>
Date: Thu, 23 May 2013 09:56:55 -0700
Subject: Input: cyttsp - fix memcpy size param
From: Ferruh Yigit <[email protected]>
commit d2983cdb480157f637df07723f28aaa657b1080d upstream.
memcpy param is wrong because of offset in bl_cmd, this may corrupt the
stack which may cause a crash.
Tested-by: Ferruh Yigit <[email protected]> on TMA300-DVK
Signed-off-by: Ferruh Yigit <[email protected]>
Acked-by: Javier Martinez Canillas <[email protected]>
Signed-off-by: Dmitry Torokhov <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/input/touchscreen/cyttsp_core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/input/touchscreen/cyttsp_core.c
+++ b/drivers/input/touchscreen/cyttsp_core.c
@@ -133,7 +133,7 @@ static int cyttsp_exit_bl_mode(struct cy
memcpy(bl_cmd, bl_command, sizeof(bl_command));
if (ts->pdata->bl_keys)
memcpy(&bl_cmd[sizeof(bl_command) - CY_NUM_BL_KEYS],
- ts->pdata->bl_keys, sizeof(bl_command));
+ ts->pdata->bl_keys, CY_NUM_BL_KEYS);
error = ttsp_write_block_data(ts, CY_REG_BASE,
sizeof(bl_cmd), bl_cmd);
Patches currently in stable-queue which might be from [email protected] are
queue-3.4/input-cyttsp-fix-memcpy-size-param.patch
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