# Re: \[PATCH v2 1/2\] ima: Free IMA measurement buffer on error

- From: Lakshmi Ramasubramanian \<hidden\>
- Date: 2021-02-05 19:21:11 
- List: linuxppc-dev
- Page: https://ratatoskr.run/linuxppc-dev/2021/02/6260224
- Thread: https://ratatoskr.run/linux-integrity/2021/02/6258933/t.md

```text
On 2/5/21 2:05 AM, Greg KH wrote:
> 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 <redacted>
>> Suggested-by: Tyler Hicks <redacted>
>> 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>
>

Thanks for the info Greg.

I will re-submit the two patches in the proper format.

 -lakshmi

```