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

[Lakshmi Ramasubramanian]

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 <nramas@xxxxxxxxxxxxxxxxxxx>
> > Suggested-by: Tyler Hicks <tyhicks@xxxxxxxxxxxxxxxxxxx>
> > 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