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From: Alexander Potapenko <glider@google.com>
To: Ethan Graham <ethan.w.s.graham@gmail.com>
Cc: akpm@linux-foundation.org, andreyknvl@gmail.com, andy@kernel.org,
	 andy.shevchenko@gmail.com, brauner@kernel.org,
	brendan.higgins@linux.dev,  davem@davemloft.net,
	davidgow@google.com, dhowells@redhat.com,  dvyukov@google.com,
	ebiggers@kernel.org, elver@google.com,
	 gregkh@linuxfoundation.org, herbert@gondor.apana.org.au,
	ignat@cloudflare.com,  jack@suse.cz, jannh@google.com,
	johannes@sipsolutions.net,  kasan-dev@googlegroups.com,
	kees@kernel.org, kunit-dev@googlegroups.com,
	 linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org,
	 linux-mm@kvack.org, lukas@wunner.de, mcgrof@kernel.org,
	rmoar@google.com,  shuah@kernel.org, sj@kernel.org,
	skhan@linuxfoundation.org,  tarasmadan@google.com,
	wentaoz5@illinois.edu
Subject: Re: [PATCH v4 4/6] kfuzztest: add KFuzzTest sample fuzz targets
Date: Tue, 20 Jan 2026 15:04:09 +0100	[thread overview]
Message-ID: <CAG_fn=XG3sGS-_ioH9ThtQf8TCx60vTJZ8Cj33OTfM7FFW62Og@mail.gmail.com> (raw)
In-Reply-To: <20260112192827.25989-5-ethan.w.s.graham@gmail.com>

> +#include <linux/kfuzztest.h>
> +
> +static void underflow_on_buffer(char *buf, size_t buflen)
> +{
> +       size_t i;
> +

If buflen is 0, buf is a ZERO_SIZE_PTR.
I think we should allow passing such pointers to test functions, but
each test should then correctly bail out on empty data.


  parent reply	other threads:[~2026-01-20 14:04 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-01-12 19:28 [PATCH v4 0/6] KFuzzTest: a new kernel fuzzing framework Ethan Graham
2026-01-12 19:28 ` [PATCH v4 1/6] kfuzztest: add user-facing API and data structures Ethan Graham
2026-01-20 13:23   ` Alexander Potapenko
2026-01-12 19:28 ` [PATCH v4 2/6] kfuzztest: implement core module and input processing Ethan Graham
2026-01-20 13:39   ` Alexander Potapenko
2026-01-12 19:28 ` [PATCH v4 3/6] kfuzztest: add ReST documentation Ethan Graham
2026-01-12 19:28 ` [PATCH v4 4/6] kfuzztest: add KFuzzTest sample fuzz targets Ethan Graham
2026-01-13  2:17   ` kernel test robot
2026-01-20 14:04   ` Alexander Potapenko [this message]
2026-01-12 19:28 ` [PATCH v4 5/6] crypto: implement KFuzzTest targets for PKCS7 and RSA parsing Ethan Graham
2026-01-12 19:28 ` [PATCH v4 6/6] MAINTAINERS: add maintainer information for KFuzzTest Ethan Graham
2026-01-20 14:12   ` Alexander Potapenko
2026-01-12 19:43 ` [PATCH v4 0/6] KFuzzTest: a new kernel fuzzing framework Ethan Graham
2026-01-14 12:28 ` Ethan Graham
2026-01-14 12:37   ` Johannes Berg
2026-01-20 14:26 ` Alexander Potapenko
2026-01-30 11:13   ` Alexander Potapenko

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