This is a note to let you know that I've just added the patch titled
HID: check for NULL field when setting values
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:
hid-check-for-null-field-when-setting-values.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 <stable@xxxxxxxxxxxxxxx> know about it.
>From be67b68d52fa28b9b721c47bb42068f0c1214855 Mon Sep 17 00:00:00 2001
From: Kees Cook <keescook@xxxxxxxxxxxx>
Date: Wed, 28 Aug 2013 22:32:01 +0200
Subject: HID: check for NULL field when setting values
From: Kees Cook <keescook@xxxxxxxxxxxx>
commit be67b68d52fa28b9b721c47bb42068f0c1214855 upstream.
Defensively check that the field to be worked on is not NULL.
Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
Signed-off-by: Jiri Kosina <jkosina@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/hid/hid-core.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -999,7 +999,12 @@ EXPORT_SYMBOL_GPL(hid_output_report);
int hid_set_field(struct hid_field *field, unsigned offset, __s32 value)
{
- unsigned size = field->report_size;
+ unsigned size;
+
+ if (!field)
+ return -1;
+
+ size = field->report_size;
hid_dump_input(field->report->device, field->usage + offset, value);
Patches currently in stable-queue which might be from keescook@xxxxxxxxxxxx are
queue-3.4/hid-validate-hid-report-id-size.patch
queue-3.4/hid-pantherlord-validate-output-report-details.patch
queue-3.4/crypto-api-fix-race-condition-in-larval-lookup.patch
queue-3.4/hid-check-for-null-field-when-setting-values.patch
queue-3.4/hid-ntrig-validate-feature-report-details.patch
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