Re: [PATCH] spi: tegra20-slink: fix UAF in tegra_slink_remove()
From: Mark Brown
Date: Wed Jul 13 2022 - 10:20:01 EST
On Wed, 13 Jul 2022 17:40:23 +0800, Yang Yingliang wrote:
> After calling spi_unregister_master(), the refcount of master will
> be decrease to 0, and it will be freed in spi_controller_release(),
> the device data also will be freed, so it will lead a UAF when using
> 'tspi'. To fix this, get the master before unregister and put it when
> finish using it.
[1/1] spi: tegra20-slink: fix UAF in tegra_slink_remove()
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