Date: Thu, 23 Jan 2025 08:39:01 +0100 From: Alexander Leidinger <Alexander@Leidinger.net> To: Dimitry Andric <dim@freebsd.org> Cc: Current FreeBSD <freebsd-current@freebsd.org> Subject: Re: Playing around with security hardening compiler flags Message-ID: <1235d5f95e2a2b75b8b8335b8a282bb5@Leidinger.net> In-Reply-To: <812A3C4D-35FA-4F98-B279-F550D3296C12@FreeBSD.org> References: <01a4b49d43860c30e480ec7cf5bd08f9@Leidinger.net> <812A3C4D-35FA-4F98-B279-F550D3296C12@FreeBSD.org>
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This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --=_1adeff84ffdbcf4f922c7482737b982b Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=US-ASCII; format=flowed Am 2024-11-17 19:28, schrieb Dimitry Andric: > Last but not least, -fstack-clash-protection might be useful, but I > think it might need some additional runtime support? E.g. in libc? What I found so far is that the kernel needs to have support for stack guard pages (which we have). https://reviews.freebsd.org/D48426 Bye, Alexander. -- http://www.Leidinger.net Alexander@Leidinger.net: PGP 0x8F31830F9F2772BF http://www.FreeBSD.org netchild@FreeBSD.org : PGP 0x8F31830F9F2772BF --=_1adeff84ffdbcf4f922c7482737b982b Content-Type: application/pgp-signature; name=signature.asc Content-Disposition: attachment; filename=signature.asc; size=833 Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEER9UlYXp1PSd08nWXEg2wmwP42IYFAmeR8icACgkQEg2wmwP4 2IZX9w//SbsYdMyJvCwWhifeD8xawteDBv+kGP4/NUCR61qN86KNdOtrm+aoxDxI hLZwvBos6Ds9SX8wBVERJ5qiHJivT3E4KUnxvfmbvKi+GeXBL/ddsAyFaVHZQXlA jjTRVn6xfggz5nrx/T3C2VAfVAisFlWD+XALkMSBsGrGvwlOrFvdIjdbRICdH0e0 c/HvWKRZ/A4mZ6SMn8XmpghSpfwENvb+bRmmcKd0yREjt9m/V1IMtaoqyPx67FuV 9Nu1i0jSJNHm+1klEYNkM5NTFEjhADbLVZH5d1rBUKbrI1Wf2kWbPm+B8jSV/c0m HQsAvOauSp28da/9RA7N2Y55zOozpVQP2ho22UOuO/q0vXD4tspWWz7N9DbFxDOW eS7pj0NucLVMXQLIpo74zVlaqFL9Vv8ZyNYTyXIFEb3CmDrt64AIWiVzJ1tNzgYL /ajKHM73tfTCN0U0aZo2O0RmjxMaAHiskpnaCrfuJ+PXis/SZ0n9tFBmBDil0pdL WhLhg4nWyShDhYRY5QiabS4Sn94mHX5sL78gPwen6/VcjaXSPGA6FgWNQurcgIkc Dd1T5VNsefT18C4NLn++gM4o2xEvwI85lFc+snTcFLo/ZP/dmjmLHqSp0h0Vk9ZG OkF3XdaOk4Ro/fDc1z3t1n2jKVyBRBMB/8N5njc6bYGCbI9vkyQ= =FkQA -----END PGP SIGNATURE----- --=_1adeff84ffdbcf4f922c7482737b982b--
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