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From: Phil Sutter <phil@nwl.cc>
To: Florian Westphal <fw@strlen.de>
Cc: netfilter-devel@vger.kernel.org
Subject: Re: [PATCH nft] initial support for the afl++ (american fuzzy lop++) fuzzer
Date: Wed, 6 Dec 2023 14:30:50 +0100	[thread overview]
Message-ID: <ZXB3ikEXjBz9r1pS@orbyte.nwl.cc> (raw)
In-Reply-To: <20231206131340.GL8352@breakpoint.cc>

On Wed, Dec 06, 2023 at 02:13:40PM +0100, Florian Westphal wrote:
> Phil Sutter <phil@nwl.cc> wrote:
> > Hmm. Probably I miss the point regarding struct nft_afl_input. IMO, if
> > save_candidate() writes data into the file despite called savebuf()
> > setting use_filename = false, nft_afl_run_cmd() will try to read from
> > ->buffer when it should read from ->fname.
> 
> In that case buffer should have same content as the on-disk file,
> so there is no need to open/read/close.

Ah, heh. I managed to ignore the mandatory snprintf() call in savebuf().
So it's indeed just "file backed buffer storage". Thanks for explaining!

Cheers, Phil

      reply	other threads:[~2023-12-06 13:30 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-12-01 15:43 [PATCH nft] initial support for the afl++ (american fuzzy lop++) fuzzer Florian Westphal
2023-12-01 18:57 ` Phil Sutter
2023-12-06  2:11 ` Phil Sutter
2023-12-06  7:43   ` Florian Westphal
2023-12-06 13:03     ` Phil Sutter
2023-12-06 13:13       ` Florian Westphal
2023-12-06 13:30         ` Phil Sutter [this message]

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