From: David Gibson <david-xT8FGy+AXnRB3Ne2BGzF6laj5H9X9Tb+@public.gmane.org>
To: Anton Blanchard <anton-eUNUBHrolfbYtjvyW6yDsg@public.gmane.org>
Cc: devicetree-compiler-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: fuzzing dtc with AFL
Date: Sun, 3 Jan 2016 20:28:48 +1100 [thread overview]
Message-ID: <20160103092848.GE9329@voom.BigPond> (raw)
In-Reply-To: <20160103023247.2d04c28a@kryten>
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On Sun, Jan 03, 2016 at 02:32:47AM +1100, Anton Blanchard wrote:
> Hi David,
>
> I wanted something to test AFL with, and since dtc is simple, self
What's AFL?
> contained and checked out on my laptop, I attacked it. It found a
> number of interesting testcases:
>
> A divide by zero issue:
>
> # ./dtc test1.dts
> Floating point exception
>
> An issue parsing octals:
>
> # ./dtc test2.dts
> dtc: dtc-lexer.l:156: yylex: Assertion `!(*e) || !e[strspn(e, "UL")]'
> failed.
> Aborted
>
> An issue with null escape characters:
>
> # ./dtc test3.dts
> dtc: util.c:155: get_escape_char: Assertion `c' failed.
> Aborted
>
> and a SEGV:
>
> # ./dtc test4.dts
> Segmentation fault
Nice catches all. I'll try to debug these in detail soon.
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
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next prev parent reply other threads:[~2016-01-03 9:28 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-02 15:32 fuzzing dtc with AFL Anton Blanchard
2016-01-03 9:28 ` David Gibson [this message]
[not found] ` <20160103092848.GE9329-JFWYtBTiNpwvqAi9XkHEEA@public.gmane.org>
2016-01-04 11:58 ` David Gibson
[not found] ` <20160104115858.GG9329-JFWYtBTiNpwvqAi9XkHEEA@public.gmane.org>
2016-01-05 11:16 ` Anton Blanchard
2016-01-12 8:29 ` David Gibson
2016-01-04 12:04 ` Anton Blanchard
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