Re: [PATCH] spi: Fix use-after-free with devm_spi_alloc_*

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On Wed, 7 Apr 2021 02:55:27 -0700, William A. Kennington III wrote:
> We can't rely on the contents of the devres list during
> spi_unregister_controller(), as the list is already torn down at the
> time we perform devres_find() for devm_spi_release_controller. This
> causes devices registered with devm_spi_alloc_{master,slave}() to be
> mistakenly identified as legacy, non-devm managed devices and have their
> reference counters decremented below 0.
> 
> [...]

Applied to

   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git for-next

Thanks!

[1/1] spi: Fix use-after-free with devm_spi_alloc_*
      commit: 794aaf01444d4e765e2b067cba01cc69c1c68ed9

All being well this means that it will be integrated into the linux-next
tree (usually sometime in the next 24 hours) and sent to Linus during
the next merge window (or sooner if it is a bug fix), however if
problems are discovered then the patch may be dropped or reverted.

You may get further e-mails resulting from automated or manual testing
and review of the tree, please engage with people reporting problems and
send followup patches addressing any issues that are reported if needed.

If any updates are required or you are submitting further changes they
should be sent as incremental updates against current git, existing
patches will not be replaced.

Please add any relevant lists and maintainers to the CCs when replying
to this mail.

Thanks,
Mark



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