From: Greg KH <gregkh@linuxfoundation.org>
To: Lakshmi Ramasubramanian <nramas@linux.microsoft.com>
Cc: zohar@linux.ibm.com, bauerman@linux.ibm.com,
dmitry.kasatkin@gmail.com, ebiederm@xmission.com,
sashal@kernel.org, tyhicks@linux.microsoft.com,
linux-integrity@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 1/2] ima: Free IMA measurement buffer on error
Date: Fri, 5 Feb 2021 11:05:42 +0100 [thread overview]
Message-ID: <YB0YdqbbdAdbEOQw@kroah.com> (raw)
In-Reply-To: <20210204174951.25771-1-nramas@linux.microsoft.com>
On Thu, Feb 04, 2021 at 09:49:50AM -0800, Lakshmi Ramasubramanian wrote:
> IMA allocates kernel virtual memory to carry forward the measurement
> list, from the current kernel to the next kernel on kexec system call,
> in ima_add_kexec_buffer() function. In error code paths this memory
> is not freed resulting in memory leak.
>
> Free the memory allocated for the IMA measurement list in
> the error code paths in ima_add_kexec_buffer() function.
>
> Signed-off-by: Lakshmi Ramasubramanian <nramas@linux.microsoft.com>
> Suggested-by: Tyler Hicks <tyhicks@linux.microsoft.com>
> Fixes: 7b8589cc29e7 ("ima: on soft reboot, save the measurement list")
> ---
> security/integrity/ima/ima_kexec.c | 1 +
> 1 file changed, 1 insertion(+)
<formletter>
This is not the correct way to submit patches for inclusion in the
stable kernel tree. Please read:
https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html
for how to do this properly.
</formletter>
WARNING: multiple messages have this Message-ID (diff)
From: Greg KH <gregkh@linuxfoundation.org>
To: Lakshmi Ramasubramanian <nramas@linux.microsoft.com>
Cc: sashal@kernel.org, dmitry.kasatkin@gmail.com,
linux-kernel@vger.kernel.org, zohar@linux.ibm.com,
tyhicks@linux.microsoft.com, ebiederm@xmission.com,
linux-integrity@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
bauerman@linux.ibm.com
Subject: Re: [PATCH v2 1/2] ima: Free IMA measurement buffer on error
Date: Fri, 5 Feb 2021 11:05:42 +0100 [thread overview]
Message-ID: <YB0YdqbbdAdbEOQw@kroah.com> (raw)
In-Reply-To: <20210204174951.25771-1-nramas@linux.microsoft.com>
On Thu, Feb 04, 2021 at 09:49:50AM -0800, Lakshmi Ramasubramanian wrote:
> IMA allocates kernel virtual memory to carry forward the measurement
> list, from the current kernel to the next kernel on kexec system call,
> in ima_add_kexec_buffer() function. In error code paths this memory
> is not freed resulting in memory leak.
>
> Free the memory allocated for the IMA measurement list in
> the error code paths in ima_add_kexec_buffer() function.
>
> Signed-off-by: Lakshmi Ramasubramanian <nramas@linux.microsoft.com>
> Suggested-by: Tyler Hicks <tyhicks@linux.microsoft.com>
> Fixes: 7b8589cc29e7 ("ima: on soft reboot, save the measurement list")
> ---
> security/integrity/ima/ima_kexec.c | 1 +
> 1 file changed, 1 insertion(+)
<formletter>
This is not the correct way to submit patches for inclusion in the
stable kernel tree. Please read:
https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html
for how to do this properly.
</formletter>
next prev parent reply other threads:[~2021-02-05 23:23 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-04 17:49 [PATCH v2 1/2] ima: Free IMA measurement buffer on error Lakshmi Ramasubramanian
2021-02-04 17:49 ` [PATCH v2 2/2] ima: Free IMA measurement buffer after kexec syscall Lakshmi Ramasubramanian
2021-02-05 10:05 ` Greg KH
2021-02-05 10:05 ` Greg KH
2021-02-05 10:05 ` Greg KH [this message]
2021-02-05 10:05 ` [PATCH v2 1/2] ima: Free IMA measurement buffer on error Greg KH
2021-02-05 17:39 ` Lakshmi Ramasubramanian
2021-02-05 17:39 ` Lakshmi Ramasubramanian
2021-02-05 17:49 ` Mimi Zohar
2021-02-05 17:49 ` Mimi Zohar
2021-02-05 17:59 ` Lakshmi Ramasubramanian
2021-02-05 17:59 ` Lakshmi Ramasubramanian
2021-02-23 23:33 ` Petr Vorel
2021-02-23 23:33 ` Petr Vorel
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