linux-kernel - Re: [PATCH] virtio-blk: Fix memory leak among suspend/resume procedure

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:   Tue, 25 May 2021 14:20:58 +0800
From:   Jason Wang <jasowang@...hat.com>
To:     Xie Yongji <xieyongji@...edance.com>, mst@...hat.com,
        stefanha@...hat.com
Cc:     virtualization@...ts.linux-foundation.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] virtio-blk: Fix memory leak among suspend/resume
 procedure


在 2021/5/17 下午4:43, Xie Yongji 写道:
> The vblk->vqs should be freed before we call init_vqs()
> in virtblk_restore().
>
> Signed-off-by: Xie Yongji <xieyongji@...edance.com>


Acked-by: Jason Wang <jasowang@...hat.com>


> ---
>   drivers/block/virtio_blk.c | 2 ++
>   1 file changed, 2 insertions(+)
>
> diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
> index 367a1e929d7c..d24a8cea9aab 100644
> --- a/drivers/block/virtio_blk.c
> +++ b/drivers/block/virtio_blk.c
> @@ -948,6 +948,8 @@ static int virtblk_freeze(struct virtio_device *vdev)
>   	blk_mq_quiesce_queue(vblk->disk->queue);
>   
>   	vdev->config->del_vqs(vdev);
> +	kfree(vblk->vqs);
> +
>   	return 0;
>   }
>