From: Dan Carpenter <dan.carpenter@oracle.com>
To: Jarkko Sakkinen <jarkko@kernel.org>
Cc: x86@kernel.org, linux-kernel@vger.kernel.org,
linux-sgx@vger.kernel.org,
Dave Hansen <dave.hansen@linux.intel.com>,
Borislav Petkov <bp@alien8.de>
Subject: Re: [PATCH] x86/sgx: Return -EINVAL on a zero length buffer in sgx_ioc_enclave_add_pages()
Date: Fri, 4 Dec 2020 08:19:34 +0300 [thread overview]
Message-ID: <20201204051934.GR2789@kadam> (raw)
In-Reply-To: <20201203183527.139317-1-jarkko@kernel.org>
On Thu, Dec 03, 2020 at 08:35:27PM +0200, Jarkko Sakkinen wrote:
> The length documented as
>
> * @length: length of the data (multiple of the page size)
>
> Fail with -EINVAL, when user gives a zero length buffer. Right now
> 'ret' is returned as uninitialized.
>
> Cc: Dave Hansen <dave.hansen@linux.intel.com>
> Cc: Borislav Petkov <bp@alien8.de>
> Link: https://lore.kernel.org/linux-sgx/X8ehQssnslm194ld@mwanda/
> Fixes: c6d26d370767 ("x86/sgx: Add SGX_IOC_ENCLAVE_ADD_PAGES")
> Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
> Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
Acked-by: Dan Carpenter <dan.carpenter@oracle.com>
regards,
dan carpenter
prev parent reply other threads:[~2020-12-04 5:20 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-03 18:35 [PATCH] x86/sgx: Return -EINVAL on a zero length buffer in sgx_ioc_enclave_add_pages() Jarkko Sakkinen
2020-12-04 5:19 ` Dan Carpenter [this message]
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