Date: Sun, 17 Jan 2010 20:23:08 +0200 From: Ali Polatel <alip@exherbo.org> To: Nate Eldredge <nate@thatsmathematics.com> Cc: Kostik Belousov <kostikbel@gmail.com>, freebsd-hackers@freebsd.org Subject: Re: ptrace bug or feature? Message-ID: <20100117182307.GA7106@harikalardiyari> In-Reply-To: <Pine.GSO.4.64.1001171005570.5432@zeno.ucsd.edu> References: <20100116190137.GA11414@harikalardiyari> <20100117174251.GG62907@deviant.kiev.zoral.com.ua> <Pine.GSO.4.64.1001171005570.5432@zeno.ucsd.edu>
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--0F1p//8PRICkK4MW Content-Type: text/plain; charset=iso-8859-9 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Nate Eldredge yazm=FD=FE: > On Sun, 17 Jan 2010, Kostik Belousov wrote: >=20 > >It may be a missed feature, not a bug. There is obvious hack value > >in ability to modify syscall arguments from the debugger. > > > >Do you know whether other operating systems allow this ? >=20 > Linux does, I've used it. Yep it does, here's example code: http://alip.github.com/code/ptrace-linux-deny.c > --=20 >=20 > Nate Eldredge > nate@thatsmathematics.com --=20 Regards, Ali Polatel --0F1p//8PRICkK4MW Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.14 (GNU/Linux) iEYEABECAAYFAktTVYsACgkQQU4yORhF8iDt1wCeLSmfIxJml53gL+z+0TLO2yEd JLwAoKe6a/CTpPj6rVHN5ySxAkvCOzH3 =QOql -----END PGP SIGNATURE----- --0F1p//8PRICkK4MW--
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