Re: [PATCH v2 0/4] soc: apple: rtkit: harden syslog shared-buffer handling

[Sven Peter <sven@kernel.org>]

On 8/24/26 10:26, Laxman Acharya Padhya wrote:
> Split the syslog hardening into focused changes as requested. The first
> patch fixes the SYSLOG_INIT reinitialization leak. The second prevents
> zero-sized messages and out-of-bounds shared-memory copies. The third
> corrects the entry-count boundary, and the fourth rate limits validation
> warnings controlled by the coprocessor.
>
> The index-boundary change has not been tested on Apple hardware running
> Linux. Asahi m1n1 describes the initialization field as COUNT, consistent
> with the kernel's syslog_n_entries name, but patch 3 is kept independent so
> it can be reverted without removing the shared-memory bounds protection.
>
> Testing:
>    - arm64 GCC build of drivers/soc/apple/rtkit.o with W=1 in Docker
>    - scripts/checkpatch.pl --strict on each patch

How was this found? If it was AI assisted please also add the 
appropriate Assisted-by: tags.
I'd also like a Tested-by from someone before I pick this up then to 
make sure you didn't break anything.



Sven