From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: Insu Yun <wuninsu@gmail.com>
Cc: brking@us.ibm.com, JBottomley@odin.com,
martin.petersen@oracle.com, linux-scsi@vger.kernel.org,
linux-kernel@vger.kernel.org, taesoo@gatech.edu,
yeongjin.jang@gatech.edu, insu@gatech.edu, changwoo@gatech.edu,
Shane Seymour <shane.seymour@hpe.com>
Subject: Re: [PATCH v3] ipr: fix out-of-bounds null overwrite
Date: Thu, 07 Jan 2016 21:52:18 -0500 [thread overview]
Message-ID: <yq1poxchjfh.fsf@sermon.lab.mkp.net> (raw)
In-Reply-To: <1452102241-4732-1-git-send-email-wuninsu@gmail.com> (Insu Yun's message of "Wed, 6 Jan 2016 12:44:01 -0500")
>>>>> "Insu" == Insu Yun <wuninsu@gmail.com> writes:
Insu> Return value of snprintf is not bound by size value, 2nd argument.
Insu> (https://www.kernel.org/doc/htmldocs/kernel-api/API-snprintf.html).
Insu> Return value is number of printed chars, can be larger than 2nd
Insu> argument. Therefore, it can write null byte out of bounds
Insu> ofbuffer. Since snprintf puts null, it does not need to put
Insu> additional null byte.
Applied to 4.5/scsi-queue.
--
Martin K. Petersen Oracle Linux Engineering
prev parent reply other threads:[~2016-01-08 2:52 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-06 17:44 Insu Yun
2016-01-07 10:19 ` Seymour, Shane M
2016-01-08 2:52 ` Martin K. Petersen [this message]
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