Date: Fri, 21 May 2021 09:37:14 -0400 From: Shawn Webb <shawn.webb@hardenedbsd.org> To: Marcin Wojtas <mw@FreeBSD.org> Cc: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: Re: git: af949c590bd8 - main - Disable stack gap for ntpd during build. Message-ID: <20210521133714.g5qpcs5wd4q27tya@mutt-hbsd> In-Reply-To: <202105211334.14LDYqoa004343@gitrepo.freebsd.org> References: <202105211334.14LDYqoa004343@gitrepo.freebsd.org>
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--acbqqhcrzins2o5s Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, May 21, 2021 at 01:34:52PM +0000, Marcin Wojtas wrote: > The branch main has been updated by mw: >=20 > URL: https://cgit.FreeBSD.org/src/commit/?id=3Daf949c590bd8a00a5973b5875d= 7e0fa6832ea64a >=20 > commit af949c590bd8a00a5973b5875d7e0fa6832ea64a > Author: Marcin Wojtas <mw@FreeBSD.org> > AuthorDate: 2021-05-21 09:29:22 +0000 > Commit: Marcin Wojtas <mw@FreeBSD.org> > CommitDate: 2021-05-21 13:33:06 +0000 >=20 > Disable stack gap for ntpd during build. > =20 > When starting, ntpd calls setrlimit(2) to limit maximum size of its > stack. The stack limit chosen by ntpd is 200K, so when stack gap > is enabled, the stack gap is larger than this limit, which results > in ntpd crashing. Would it make sense to update the stack limit enforcement code to take the stack gap into account? I haven't looked at HardenedBSD's stack randomization for a while, but if memory serves correctly, we made that change. Thanks, --=20 Shawn Webb Cofounder / Security Engineer HardenedBSD https://git.hardenedbsd.org/hardenedbsd/pubkeys/-/raw/master/Shawn_Webb/03A= 4CBEBB82EA5A67D9F3853FF2E67A277F8E1FA.pub.asc --acbqqhcrzins2o5s Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEA6TL67gupaZ9nzhT/y5nonf44foFAmCnt4cACgkQ/y5nonf4 4frnvBAApuiHsM1JvQ91oeMnrPWi6Z2vg7mPf8Hdi1UO1MoYHWzKuVvFahVix+w+ YTFVmQl4XO1aHNRb6IFC5uq1VBBFSSCCDNBJJFWqG73ZVjr0ezPQMBTVMVKs65G1 UhA9s719/90O3AcnGstwJ9iTPs7+HcWAie3doCjJaxDDrjTSI+mIuoOcN3mG/vj9 iZ8dwuxbsk1TvYtNzqRlx4hz+ZdcePIEEx46jMLn4zOnTa1c/ae54r+Y+D0J4+cB JJqutQoN+z8PVGBujJs/bgtt7kIVNxuq1HtQS4J/bLqgRaQcghvxNkYhUStkA28x ZOPD55X6UwZswr3i7SH0Dbq6uuyd0opEsPfdqQ6EmWbaCf0gxd6IPvr6VFO7nga5 D74hHuEKUqTsOyPs8PK8mm3nnRPJDlC7GzIFAmj8CiEbdXTXsIWtxt+U3Xa6gcEv Qti3zFUdp8Q4oaN52rkeyegiYBeCNEkeWjM+lEtJBBOWhFVlkcRslVtyEfE5McmY aZoLuE3528rU9AFNt4dS1XuTdkUTtZqVyDTml4ismTybkmvYxRPnSAhiVg2sT3iY 5gOxuzyk+pTKcS59it8AjiHGvsVIjsuxNM885ZJQ+4ojtD3LvRg88+Bx6czXcInG WaUj9GjIJ3oO9y2RrKSSLNT0LpM0bub1IxIPpwTyivDIf5RyHx8= =OVVc -----END PGP SIGNATURE----- --acbqqhcrzins2o5s--
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