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Groups > linux.kernel > #1303841 > unrolled thread

[PATCH] acpi: avoid leaking format string into kobject name

Started byKees Cook <keescook@chromium.org>
First post2016-01-07 20:30 +0100
Last post2016-01-08 01:20 +0100
Articles 2 — 2 participants

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  [PATCH] acpi: avoid leaking format string into kobject name Kees Cook <keescook@chromium.org> - 2016-01-07 20:30 +0100
    Re: [PATCH] acpi: avoid leaking format string into kobject name "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2016-01-08 01:20 +0100

#1303841 — [PATCH] acpi: avoid leaking format string into kobject name

FromKees Cook <keescook@chromium.org>
Date2016-01-07 20:30 +0100
Subject[PATCH] acpi: avoid leaking format string into kobject name
Message-ID<qOopY-47V-17@gated-at.bofh.it>
The dn->name is expected to be used as a literal, so add the missing
"%s".

Signed-off-by: Kees Cook <keescook@chromium.org>
---
 drivers/acpi/device_sysfs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/acpi/device_sysfs.c b/drivers/acpi/device_sysfs.c
index 707cf6213bc2..b9afb47db7ed 100644
--- a/drivers/acpi/device_sysfs.c
+++ b/drivers/acpi/device_sysfs.c
@@ -104,7 +104,7 @@ static void acpi_expose_nondev_subnodes(struct kobject *kobj,
 
 		init_completion(&dn->kobj_done);
 		ret = kobject_init_and_add(&dn->kobj, &acpi_data_node_ktype,
-					   kobj, dn->name);
+					   kobj, "%s", dn->name);
 		if (ret)
 			acpi_handle_err(dn->handle, "Failed to expose (%d)\n", ret);
 		else
-- 
2.6.3


-- 
Kees Cook
Chrome OS & Brillo Security

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#1304054

From"Rafael J. Wysocki" <rjw@rjwysocki.net>
Date2016-01-08 01:20 +0100
Message-ID<qOsWC-7b8-11@gated-at.bofh.it>
In reply to#1303841
On Thursday, January 07, 2016 11:24:29 AM Kees Cook wrote:
> The dn->name is expected to be used as a literal, so add the missing
> "%s".
> 
> Signed-off-by: Kees Cook <keescook@chromium.org>

Applied, thanks!

> ---
>  drivers/acpi/device_sysfs.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/acpi/device_sysfs.c b/drivers/acpi/device_sysfs.c
> index 707cf6213bc2..b9afb47db7ed 100644
> --- a/drivers/acpi/device_sysfs.c
> +++ b/drivers/acpi/device_sysfs.c
> @@ -104,7 +104,7 @@ static void acpi_expose_nondev_subnodes(struct kobject *kobj,
>  
>  		init_completion(&dn->kobj_done);
>  		ret = kobject_init_and_add(&dn->kobj, &acpi_data_node_ktype,
> -					   kobj, dn->name);
> +					   kobj, "%s", dn->name);
>  		if (ret)
>  			acpi_handle_err(dn->handle, "Failed to expose (%d)\n", ret);
>  		else
> 

-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.

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