From: Al Viro <viro@ZenIV.linux.org.uk>
To: Colin King <colin.king@canonical.com>
Cc: Ingo Molnar <mingo@kernel.org>,
Luc Van Oostenryck <luc.vanoostenryck@gmail.com>,
Steven Whitehouse <swhiteho@redhat.com>,
Deepa Dinamani <deepa.kernel@gmail.com>,
Waiman Long <longman@redhat.com>,
kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH][-next] mqueue: fix incorrect memset size for object v
Date: Tue, 04 Jul 2017 17:13:10 +0000 [thread overview]
Message-ID: <20170704171310.GW10672@ZenIV.linux.org.uk> (raw)
In-Reply-To: <20170704160919.19406-1-colin.king@canonical.com>
On Tue, Jul 04, 2017 at 05:09:19PM +0100, Colin King wrote:
> From: Colin Ian King <colin.king@canonical.com>
>
> The size of the memset is incorrect, it is currently using the size
> of attr (a struct mq_attr *) and not of v (a struct compat_mq_attr)
Folded (and that was a moderate infoleak - ->__reserved[] thing had
been copied out uninitialized).
WARNING: multiple messages have this Message-ID (diff)
From: Al Viro <viro@ZenIV.linux.org.uk>
To: Colin King <colin.king@canonical.com>
Cc: Ingo Molnar <mingo@kernel.org>,
Luc Van Oostenryck <luc.vanoostenryck@gmail.com>,
Steven Whitehouse <swhiteho@redhat.com>,
Deepa Dinamani <deepa.kernel@gmail.com>,
Waiman Long <longman@redhat.com>,
kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH][-next] mqueue: fix incorrect memset size for object v
Date: Tue, 4 Jul 2017 18:13:10 +0100 [thread overview]
Message-ID: <20170704171310.GW10672@ZenIV.linux.org.uk> (raw)
In-Reply-To: <20170704160919.19406-1-colin.king@canonical.com>
On Tue, Jul 04, 2017 at 05:09:19PM +0100, Colin King wrote:
> From: Colin Ian King <colin.king@canonical.com>
>
> The size of the memset is incorrect, it is currently using the size
> of attr (a struct mq_attr *) and not of v (a struct compat_mq_attr)
Folded (and that was a moderate infoleak - ->__reserved[] thing had
been copied out uninitialized).
next prev parent reply other threads:[~2017-07-04 17:13 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-04 16:09 [PATCH][-next] mqueue: fix incorrect memset size for object v Colin King
2017-07-04 16:09 ` Colin King
2017-07-04 17:13 ` Al Viro [this message]
2017-07-04 17:13 ` Al Viro
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