From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Dan Carpenter <dan.carpenter@oracle.com>
Cc: green@linuxhacker.ru, devel@driverdev.osuosl.org,
Andreas Dilger <andreas.dilger@intel.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 18/20] staging/lustre/libcfs: get rid of debugfs/lnet/debug_mb
Date: Mon, 13 Jul 2015 19:43:13 -0700 [thread overview]
Message-ID: <20150714024313.GA24722@kroah.com> (raw)
In-Reply-To: <20150708084202.GN4341@mwanda>
On Wed, Jul 08, 2015 at 11:45:59AM +0300, Dan Carpenter wrote:
> On Mon, Jul 06, 2015 at 12:48:56PM -0400, green@linuxhacker.ru wrote:
> > +static int libcfs_param_debug_mb_set(const char *val,
> > + const struct kernel_param *kp)
> > +{
> > + int rc;
> > + unsigned num;
> > +
> > + rc = kstrtouint(val, 0, &num);
> > + if (rc == -EINVAL)
> > + return -EINVAL;
>
> Presumably, this is root only so using num uninitialized is not an
> information leak.
But it's not good, this should be a check for rc < 0 to make sure.
Oleg, can you send a follow-on patch to fix this up?
thanks,
greg k-h
next prev parent reply other threads:[~2015-07-14 2:43 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-06 16:48 [PATCH 00/20] Lustre: final procfs bits removal green
2015-07-06 16:48 ` [PATCH 01/20] staging/lustre/lov: Move target sysfs symlink removal to object freeing green
2015-07-06 16:48 ` [PATCH 02/20] staging/lustre: make ldebugfs_remove recursive green
2015-07-06 16:48 ` [PATCH 03/20] staging/lustre/ldlm: In ldlm_pools_fini make sure there was init first green
2015-07-06 16:48 ` [PATCH 04/20] staging/lustre/obdclass: fix class_procfs_init error return value green
2015-07-06 16:48 ` [PATCH 05/20] staging/lustre: remove alloc_fail_rate sysctl green
2015-07-06 16:48 ` [PATCH 06/20] staging/lustre: Remove now obsolete memory tracking sysctls green
2015-07-06 16:48 ` [PATCH 07/20] staging/lustre: Remove unneeded ldlm_timeout control green
2015-07-06 16:48 ` [PATCH 08/20] staging/lustre/obdclass: move sysctl timeout to sysfs green
2015-07-06 16:48 ` [PATCH 09/20] staging/lustre/obdclass: move max_dirty_mb from sysctl " green
2015-07-06 16:48 ` [PATCH 10/20] staging/lustre/obdclass: move debug controls " green
2015-07-06 16:48 ` [PATCH 11/20] staging/lustre/obdclass: Move AT controls from sysctl " green
2015-07-06 16:48 ` [PATCH 12/20] staging/lustre: Get rid of remaining /proc/sys/lustre plumbing green
2015-07-06 16:48 ` [PATCH 13/20] staging/lustre/libcfs: move /proc/sys/lnet to debugfs green
2015-07-06 16:48 ` [PATCH 14/20] staging/lustre/libcfs: Remove redundant lnet debugfs variables green
2015-07-06 16:48 ` [PATCH 15/20] staging/lustre/libcfs: get rid of debugfs/lnet/console_backoff green
2015-07-08 8:28 ` Dan Carpenter
2015-07-08 8:30 ` Dan Carpenter
2015-07-08 13:43 ` Oleg Drokin
2015-07-06 16:48 ` [PATCH 16/20] staging/lustre/libcfs: Remove redundant enums and sysctl moduleparams green
2015-07-06 16:48 ` [PATCH 17/20] staging/lustre/libcfs: Remove unneeded lnet watchdog_ratelimit sysctl green
2015-07-06 16:48 ` [PATCH 18/20] staging/lustre/libcfs: get rid of debugfs/lnet/debug_mb green
2015-07-08 8:45 ` Dan Carpenter
2015-07-14 2:43 ` Greg Kroah-Hartman [this message]
2015-07-14 2:45 ` Oleg Drokin
2015-07-14 3:04 ` Greg Kroah-Hartman
2015-07-14 2:46 ` Greg Kroah-Hartman
2015-07-14 2:51 ` Oleg Drokin
2015-07-14 3:52 ` Greg Kroah-Hartman
2015-07-14 2:49 ` Greg Kroah-Hartman
2015-07-14 2:52 ` Oleg Drokin
2015-07-06 16:48 ` [PATCH 19/20] staging/lustre/libcfs: get rid of debugfs/lnet/console_{min,max}_delay_centisecs green
2015-07-06 16:48 ` [PATCH 20/20] staging/lustre/libcfs: remove unused portal_enter_debugger variable green
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