From: Anthony Martin <firstname.lastname@example.org> To: email@example.com Subject: [9front] Re: [PATCH] kernel: disallow executing from #| or #d Date: Tue, 10 May 2022 13:52:20 -0700 [thread overview] Message-ID: <YnrQhMox4b9ncElU@alice> (raw) In-Reply-To: <firstname.lastname@example.org> Jacob Moody <email@example.com> once said: > I believe this would also work for binaries > if the writer could predict what parts of the binary > the kernel will want to read. I am inclined to > block this behavior but would be curious what others > think. Included is a patch to error on OEXEC opens > in devdup and devpipe. OREAD and OEXEC are essentially the same thing on Plan 9. If you can open and read a file, you can always just copy the contents to a new file that you own and change the mode. Unix retains the illusion. Cheers, Anthony
prev parent reply other threads:[~2022-05-10 20:54 UTC|newest] Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-05-10 6:40 [9front] " Jacob Moody 2022-05-10 14:40 ` ori 2022-05-10 16:34 ` Jacob Moody 2022-05-10 19:59 ` Amavect 2022-05-10 22:47 ` Jacob Moody 2022-05-11 4:21 ` Amavect 2022-05-11 6:31 ` Jacob Moody 2022-05-11 16:32 ` Amavect 2022-05-11 16:50 ` Jacob Moody 2022-05-15 2:43 ` Amavect 2022-05-15 15:26 ` Amavect 2022-05-15 16:28 ` Jacob Moody 2022-05-10 20:52 ` Anthony Martin [this message]
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