Re: [PATCH v1] regmap-irq: Fix out-of-bounds access when allocating config buffers

[Mark Brown]

On Tue, 11 Jul 2023 12:30:58 -0700, Isaac J. Manjarres wrote:
> When allocating the 2D array for handling IRQ type registers in
> regmap_add_irq_chip_fwnode(), the intent is to allocate a matrix
> with num_config_bases rows and num_config_regs columns.
> 
> This is currently handled by allocating a buffer to hold a pointer for
> each row (i.e. num_config_bases). After that, the logic attempts to
> allocate the memory required to hold the register configuration for
> each row. However, instead of doing this allocation for each row
> (i.e. num_config_bases allocations), the logic erroneously does this
> allocation num_config_regs number of times.
> 
> [...]

Applied to

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

Thanks!

[1/1] regmap-irq: Fix out-of-bounds access when allocating config buffers
      commit: 963b54df82b6d6206d7def273390bf3f7af558e1

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
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If any updates are required or you are submitting further changes they
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Thanks,
Mark