Date: Fri, 3 Jul 2020 06:49:44 -0700 From: Donald Wilde <dwilde1@gmail.com> To: "Kevin P. Neal" <kpn@neutralgood.org> Cc: Polytropon <freebsd@edvax.de>, Per Hedeland <per@hedeland.org>, freebsd-questions@freebsd.org Subject: Re: Shell Message-ID: <CAEC7393pFm2QOSbC%2BopLXtWWuD4XwGS4K6J0%2B0bvEMiPNJ8ibw@mail.gmail.com> In-Reply-To: <20200703014122.GA30572@neutralgood.org> References: <CY4PR19MB010400AC4940C67421BFADE8F96E0@CY4PR19MB0104.namprd19.prod.outlook.com> <DB8PR06MB6442289C119C69BDF4303E72F66F0@DB8PR06MB6442.eurprd06.prod.outlook.com> <20200630104317.812dce86b2dc5ea5a42a1ee1@sohara.org> <a590654c-ffa2-3171-ce44-ae3f33214b14@hedeland.org> <20200630143913.e27eb3e3.freebsd@edvax.de> <CAEC73922LQ%2BqVMcKoSqNWCiDmo62pwktSX_-Afv=cu5aNN=BeQ@mail.gmail.com> <20200703014122.GA30572@neutralgood.org>
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On 7/2/20, Kevin P. Neal <kpn@neutralgood.org> wrote: > On Tue, Jun 30, 2020 at 06:33:44AM -0700, Donald Wilde wrote: [snip] >> The only concern with doing so is that doing so causes the (larger!) >> bash-static kernel to be used everywhere. If you have lots of regular >> users with console prompts, this could be painful. > > Doubtful. With static linking of executables there should be no changing of > the executable once loaded into memory. So all users would share the same > "text" pages (meaning instructions). > > Now, with PIE executables I suspect this is still true, but I can't swear > to it. And I don't know if bash-static is PIE or not. Thanks, Kevin. I'll test that. -- Don Wilde **************************************************** * What is the Internet of Things but a system * * of systems including humans? * ****************************************************
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