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Message-ID: <dkbyszjmah5swomq2b3nlk24mik5epiwfeey7c4khp2p74dxgm@4ccxtjnasyoc>
Date: Fri, 7 Jun 2024 14:28:19 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Ekansh Gupta <quic_ekangupt@...cinc.com>
Cc: srinivas.kandagatla@...aro.org, linux-arm-msm@...r.kernel.org,
gregkh@...uxfoundation.org, quic_bkumar@...cinc.com, linux-kernel@...r.kernel.org,
quic_chennak@...cinc.com, stable <stable@...nel.org>
Subject: Re: [PATCH v4 06/11] misc: fastrpc: Fix memory leak in audio daemon
attach operation
On Thu, Jun 06, 2024 at 10:29:26PM +0530, Ekansh Gupta wrote:
> Audio PD daemon send the name as part of the init IOCTL call. This
> mane needs to be copied to kernel for which memory is allocated.
> This memory is never freed which might result in memory leak. Add
> changes to free the memory when it is not needed.
>
> Fixes: 0871561055e6 ("misc: fastrpc: Add support for audiopd")
> Cc: stable <stable@...nel.org>
> Signed-off-by: Ekansh Gupta <quic_ekangupt@...cinc.com>
Fixes go before the non-fixes patches.
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
> ---
> drivers/misc/fastrpc.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/misc/fastrpc.c b/drivers/misc/fastrpc.c
> index 13e368279765..7ee8bb3a9a6f 100644
> --- a/drivers/misc/fastrpc.c
> +++ b/drivers/misc/fastrpc.c
> @@ -1380,6 +1380,7 @@ static int fastrpc_init_create_static_process(struct fastrpc_user *fl,
> goto err_invoke;
>
A comment that the remote_heap persists would be helpful.
> kfree(args);
> + kfree(name);
>
> return 0;
> err_invoke:
> --
> 2.43.0
>
--
With best wishes
Dmitry
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