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From: Dmitry Torokhov <dtor_core@ameritech.net>
To: Vojtech Pavlik <vojtech@suse.cz>
Cc: linux-input@atrey.karlin.mff.cuni.cz,
	LKML <linux-kernel@vger.kernel.org>
Subject: [PATCH 5/16] evdev: return -EINVAL if read buffer is too small
Date: Wed, 29 Dec 2004 02:22:23 -0500	[thread overview]
Message-ID: <200412290222.25300.dtor_core@ameritech.net> (raw)
In-Reply-To: <200412290221.33869.dtor_core@ameritech.net>


===================================================================


ChangeSet@1.1957.1.32, 2004-11-12 01:28:33-05:00, dtor_core@ameritech.net
  Input: evdev - return -EINVAL from evdev_read if read buffer
         is too small.
  
         Based on the patch by James Lamanna.
  
  Signed-off-by: Dmitry Torokhov <dtor@mail.ru>


 evdev.c |    3 +++
 1 files changed, 3 insertions(+)


===================================================================



diff -Nru a/drivers/input/evdev.c b/drivers/input/evdev.c
--- a/drivers/input/evdev.c	2004-12-29 01:47:32 -05:00
+++ b/drivers/input/evdev.c	2004-12-29 01:47:32 -05:00
@@ -169,6 +169,9 @@
 	struct evdev_list *list = file->private_data;
 	int retval;
 
+	if (count < sizeof(struct input_event))
+		return -EINVAL;
+
 	if (list->head == list->tail && list->evdev->exist && (file->f_flags & O_NONBLOCK))
 		return -EAGAIN;
 

  reply	other threads:[~2004-12-29  8:01 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-12-29  7:17 [PATCH 0/16] New set of input patches Dmitry Torokhov
2004-12-29  7:19 ` [PATCH 1/16] i8042 panicblink cleanup Dmitry Torokhov
2004-12-29  7:20   ` [PATCH 2/16] Add serio start and stop methods Dmitry Torokhov
2004-12-29  7:20     ` [PATCH 3/16] i8042: Make use of new " Dmitry Torokhov
2004-12-29  7:21       ` [PATCH 4/16] Suppress duplicate events in serio core Dmitry Torokhov
2004-12-29  7:22         ` Dmitry Torokhov [this message]
2004-12-29  7:23           ` [PATCH 6/16] Propery set up name for PS/2 Logitech mice Dmitry Torokhov
2004-12-29  7:24             ` [PATCH 7/16] Limit Synaptics rate on Toshiba Satellites Dmitry Torokhov
2004-12-29  7:25               ` [PATCH 8/16] Allow setkeycodes work again Dmitry Torokhov
2004-12-29  7:26                 ` [PATCH 9/16] i8042: fix sysfs permissiions for 'debug' parameter Dmitry Torokhov
2004-12-29  7:27                   ` [PATCH 10/16] Fix building twidjoy module Dmitry Torokhov
2004-12-29  7:28                     ` [PATCH 11/16] Use msecs_to_jiffies in input core Dmitry Torokhov
2004-12-29  7:28                       ` [PATCH 12/16] Use msecs_to_jiffies in atkbd Dmitry Torokhov
2004-12-29  7:29                         ` [PATCH 13/16] Introduce serio_get/set_drvdata helpers Dmitry Torokhov
2004-12-29  7:31                           ` [PATCH 14/16] Introduce serio_id to match ports and drivers Dmitry Torokhov
2004-12-29  7:32                             ` [PATCH 15/16] serio bus implementation cleanup Dmitry Torokhov
2004-12-29  7:33                               ` [PATCH 16/16] serio connect methods should return error codes Dmitry Torokhov
2005-01-13 15:36 ` [PATCH 0/16] New set of input patches Vojtech Pavlik
2005-01-13 17:52   ` Dmitry Torokhov
2005-01-13 19:25     ` Vojtech Pavlik
2005-01-13 20:16       ` Dmitry Torokhov
2005-01-27 14:04         ` Dmitry Torokhov
2005-01-27 16:15           ` Vojtech Pavlik
2005-01-27 16:36             ` Vojtech Pavlik
2005-01-27 18:18               ` Dmitry Torokhov
2005-01-27 22:16                 ` Vojtech Pavlik
2005-01-30 23:35                   ` Dmitry Torokhov
2005-01-31  9:13                     ` Vojtech Pavlik
2005-01-28  7:13             ` Dmitry Torokhov
2005-01-28 11:24               ` Vojtech Pavlik

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