This is a note to let you know that I've just added the patch titled
hwmon: (applesmc) Limit key length in warning messages
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:
hwmon-applesmc-limit-key-length-in-warning-messages.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 ac852edb47b15900886ba2564eeeb13b3b526e3e Mon Sep 17 00:00:00 2001
From: Henrik Rydberg <[email protected]>
Date: Thu, 7 Jun 2012 04:54:29 -0400
Subject: hwmon: (applesmc) Limit key length in warning messages
From: Henrik Rydberg <[email protected]>
commit ac852edb47b15900886ba2564eeeb13b3b526e3e upstream.
Key lookups may call read_smc() with a fixed-length key string,
and if the lookup fails, trailing stack content may appear in the
kernel log. Fixed with this patch.
Signed-off-by: Henrik Rydberg <[email protected]>
Signed-off-by: Guenter Roeck <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/hwmon/applesmc.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/hwmon/applesmc.c
+++ b/drivers/hwmon/applesmc.c
@@ -215,7 +215,7 @@ static int read_smc(u8 cmd, const char *
int i;
if (send_command(cmd) || send_argument(key)) {
- pr_warn("%s: read arg fail\n", key);
+ pr_warn("%.4s: read arg fail\n", key);
return -EIO;
}
@@ -223,7 +223,7 @@ static int read_smc(u8 cmd, const char *
for (i = 0; i < len; i++) {
if (__wait_status(0x05)) {
- pr_warn("%s: read data fail\n", key);
+ pr_warn("%.4s: read data fail\n", key);
return -EIO;
}
buffer[i] = inb(APPLESMC_DATA_PORT);
Patches currently in stable-queue which might be from [email protected] are
queue-3.4/hwmon-applesmc-limit-key-length-in-warning-messages.patch
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