linux-kernel - Re: [PATCH] sched-ext: Use correct annotation for strings in kfuncs

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Message-ID: <Zxa113xfLj4Dffyk@slm.duckdns.org>
Date: Mon, 21 Oct 2024 10:13:11 -1000
From: Tejun Heo <tj@...nel.org>
To: Kumar Kartikeya Dwivedi <memxor@...il.com>
Cc: bpf@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] sched-ext: Use correct annotation for strings in kfuncs

On Mon, Oct 21, 2024 at 01:11:43PM -0700, Kumar Kartikeya Dwivedi wrote:
> The sched-ext kfuncs with bstr suffix need to take a string, but that
> requires annotating the parameters with __str suffix, as right now the
> verifier will treat this parameter as a one-byte memory region.
> 
> Fixes: f0e1a0643a59 ("sched_ext: Implement BPF extensible scheduler class")
> Fixes: 07814a9439a3 ("sched_ext: Print debug dump after an error exit")
> Cc: Tejun Heo <tj@...nel.org>
> Signed-off-by: Kumar Kartikeya Dwivedi <memxor@...il.com>

Applied to sched_ext/for-6.12-fixes.

Thanks.

-- 
tejun