Re: [PATCH v2] virtio-mmio: fix memory leak of vm_dev
From: Catalin Marinas
Date: Thu Sep 07 2023 - 15:31:35 EST
On Thu, Sep 07, 2023 at 02:17:16PM +0000, Maximilian Heyne wrote:
> With the recent removal of vm_dev from devres its memory is only freed
> via the callback virtio_mmio_release_dev. However, this only takes
> effect after device_add is called by register_virtio_device. Until then
> it's an unmanaged resource and must be explicitly freed on error exit.
>
> This bug was discovered and resolved using Coverity Static Analysis
> Security Testing (SAST) by Synopsys, Inc.
>
> Cc: <stable@xxxxxxxxxxxxxxx>
> Fixes: 55c91fedd03d ("virtio-mmio: don't break lifecycle of vm_dev")
> Signed-off-by: Maximilian Heyne <mheyne@xxxxxxxxx>
Reviewed-by: Catalin Marinas <catalin.marinas@xxxxxxx>
Tested-by: Catalin Marinas <catalin.marinas@xxxxxxx>
Thanks.
--
Catalin