From: Jens Axboe <axboe@kernel.dk>
To: Peilin Ye <yepeilin.cs@gmail.com>,
syzbot <syzbot+85433a479a646a064ab3@syzkaller.appspotmail.com>
Cc: Dan Carpenter <dan.carpenter@oracle.com>,
Arnd Bergmann <arnd@arndb.de>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
glider@google.com,
Anant Thazhemadam <anant.thazhemadam@gmail.com>,
linux-kernel-mentees@lists.linuxfoundation.org,
linux-block@vger.kernel.org, syzkaller-bugs@googlegroups.com,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v4] block/scsi-ioctl: Fix kernel-infoleak in scsi_put_cdrom_generic_arg()
Date: Fri, 2 Oct 2020 12:02:03 -0600 [thread overview]
Message-ID: <afa31e81-84d9-fc54-e6cf-a8301f1cf33a@kernel.dk> (raw)
In-Reply-To: <20201002142223.9482-1-yepeilin.cs@gmail.com>
On 10/2/20 8:22 AM, Peilin Ye wrote:
> scsi_put_cdrom_generic_arg() is copying uninitialized stack memory to
> userspace, since the compiler may leave a 3-byte hole in the middle of
> `cgc32`. Fix it by adding a padding field to `struct
> compat_cdrom_generic_command`.
Applied, thanks.
--
Jens Axboe
prev parent reply other threads:[~2020-10-02 18:02 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-31 10:28 KMSAN: kernel-infoleak in scsi_cmd_ioctl syzbot
2020-10-02 13:49 ` Peilin Ye
2020-10-02 14:00 ` Greg Kroah-Hartman
2020-10-02 14:22 ` [PATCH v4] block/scsi-ioctl: Fix kernel-infoleak in scsi_put_cdrom_generic_arg() Peilin Ye
2020-10-02 18:02 ` Jens Axboe [this message]
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