From: Dan Carpenter <dan.carpenter@oracle.com>
To: Peilin Ye <yepeilin.cs@gmail.com>
Cc: linux-usb@vger.kernel.org, Jiri Kosina <jikos@kernel.org>,
syzkaller-bugs@googlegroups.com, linux-kernel@vger.kernel.org,
Benjamin Tissoires <benjamin.tissoires@redhat.com>,
linux-input@vger.kernel.org,
linux-kernel-mentees@lists.linuxfoundation.org
Subject: Re: [Linux-kernel-mentees] [PATCH v2] usbhid: Fix slab-out-of-bounds write in hiddev_ioctl_usage()
Date: Thu, 23 Jul 2020 17:51:21 +0300 [thread overview]
Message-ID: <20200723145121.GR2549@kadam> (raw)
In-Reply-To: <20200720195209.4365-1-yepeilin.cs@gmail.com>
On Mon, Jul 20, 2020 at 03:52:09PM -0400, Peilin Ye wrote:
> `uref->usage_index` is not always being properly checked, causing
> hiddev_ioctl_usage() to go out of bounds under some cases. Fix it.
>
> Reported-by: syzbot+34ee1b45d88571c2fa8b@syzkaller.appspotmail.com
> Link: https://syzkaller.appspot.com/bug?id=f2aebe90b8c56806b050a20b36f51ed6acabe802
> Signed-off-by: Peilin Ye <yepeilin.cs@gmail.com>
> ---
> Change in v2:
> - Add the same check for the `HIDIOCGUSAGE` case. (Suggested by
> Dan Carpenter <dan.carpenter@oracle.com>)
Looks good to me. Thanks!
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
regards,
dan carpenter
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Linux-kernel-mentees@lists.linuxfoundation.org
https://lists.linuxfoundation.org/mailman/listinfo/linux-kernel-mentees
WARNING: multiple messages have this Message-ID (diff)
From: Dan Carpenter <dan.carpenter@oracle.com>
To: Peilin Ye <yepeilin.cs@gmail.com>
Cc: Jiri Kosina <jikos@kernel.org>,
Benjamin Tissoires <benjamin.tissoires@redhat.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
syzkaller-bugs@googlegroups.com,
linux-kernel-mentees@lists.linuxfoundation.org,
linux-usb@vger.kernel.org, linux-input@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [Linux-kernel-mentees] [PATCH v2] usbhid: Fix slab-out-of-bounds write in hiddev_ioctl_usage()
Date: Thu, 23 Jul 2020 17:51:21 +0300 [thread overview]
Message-ID: <20200723145121.GR2549@kadam> (raw)
In-Reply-To: <20200720195209.4365-1-yepeilin.cs@gmail.com>
On Mon, Jul 20, 2020 at 03:52:09PM -0400, Peilin Ye wrote:
> `uref->usage_index` is not always being properly checked, causing
> hiddev_ioctl_usage() to go out of bounds under some cases. Fix it.
>
> Reported-by: syzbot+34ee1b45d88571c2fa8b@syzkaller.appspotmail.com
> Link: https://syzkaller.appspot.com/bug?id=f2aebe90b8c56806b050a20b36f51ed6acabe802
> Signed-off-by: Peilin Ye <yepeilin.cs@gmail.com>
> ---
> Change in v2:
> - Add the same check for the `HIDIOCGUSAGE` case. (Suggested by
> Dan Carpenter <dan.carpenter@oracle.com>)
Looks good to me. Thanks!
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
regards,
dan carpenter
next prev parent reply other threads:[~2020-07-23 14:51 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-18 23:12 [Linux-kernel-mentees] [PATCH v1] usbhid: Fix slab-out-of-bounds write in hiddev_ioctl_usage() Peilin Ye
2020-07-18 23:12 ` Peilin Ye
2020-07-20 11:54 ` Dan Carpenter
2020-07-20 11:54 ` Dan Carpenter
2020-07-20 12:12 ` Dan Carpenter
2020-07-20 12:12 ` Dan Carpenter
2020-07-20 19:05 ` Peilin Ye
2020-07-20 19:05 ` Peilin Ye
2020-07-20 19:16 ` Peilin Ye
2020-07-20 19:16 ` Peilin Ye
2020-07-21 7:16 ` Dan Carpenter
2020-07-21 7:16 ` Dan Carpenter
2020-07-21 8:27 ` Greg Kroah-Hartman
2020-07-21 8:27 ` Greg Kroah-Hartman
2020-07-21 8:39 ` Dan Carpenter
2020-07-21 8:39 ` Dan Carpenter
2020-07-21 8:39 ` Peilin Ye
2020-07-21 8:39 ` Peilin Ye
2020-07-20 19:52 ` [Linux-kernel-mentees] [PATCH v2] " Peilin Ye
2020-07-20 19:52 ` Peilin Ye
2020-07-23 14:51 ` Dan Carpenter [this message]
2020-07-23 14:51 ` Dan Carpenter
2020-07-29 11:37 ` [Linux-kernel-mentees] [PATCH v2 RESEND] " Peilin Ye
2020-07-29 11:37 ` Peilin Ye
2020-07-29 14:35 ` Dan Carpenter
2020-07-29 14:35 ` Dan Carpenter
2020-08-17 10:21 ` Jiri Kosina
2020-08-17 10:21 ` Jiri Kosina
2020-08-18 10:00 ` Peilin Ye
2020-08-18 10:00 ` Peilin Ye
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