linux-kernel - Re: [PATCH v2 02/10] kfuzztest: add user-facing API and data structures

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Message-ID: <8d2ec79561f5aa17403014a298bb9188f904e489.camel@sipsolutions.net>
Date: Wed, 24 Sep 2025 10:44:22 +0200
From: Johannes Berg <johannes@...solutions.net>
To: Ethan Graham <ethan.w.s.graham@...il.com>, ethangraham@...gle.com, 
	glider@...gle.com
Cc: andreyknvl@...il.com, andy@...nel.org, brauner@...nel.org, 
	brendan.higgins@...ux.dev, davem@...emloft.net, davidgow@...gle.com, 
	dhowells@...hat.com, dvyukov@...gle.com, elver@...gle.com, 
	herbert@...dor.apana.org.au, ignat@...udflare.com, jack@...e.cz,
 jannh@...gle.com, 	kasan-dev@...glegroups.com, kees@...nel.org,
 kunit-dev@...glegroups.com, 	linux-crypto@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-mm@...ck.org, 	lukas@...ner.de,
 rmoar@...gle.com, shuah@...nel.org, sj@...nel.org, 	tarasmadan@...gle.com
Subject: Re: [PATCH v2 02/10] kfuzztest: add user-facing API and data
 structures

On Fri, 2025-09-19 at 14:57 +0000, Ethan Graham wrote:
> 
> + * User-Provided Logic:
> + * The developer must provide the body of the fuzz test logic within the curly
> + * braces following the macro invocation. Within this scope, the framework
> + * provides the `arg` variable, which is a pointer of type `@...t_arg_type *` 

FWIW, git complained about trailing whitespace on this line.

I'm trying to apply this and integrate it with ARCH=um and honggfuzz
(because afl++ doesn't work with -fsanitize-coverage=trace-pc and I have
issues with clang right now ...). Fingers crossed :)

johannes