{"id":52149,"date":"2023-05-31T16:12:05","date_gmt":"2023-05-31T16:12:05","guid":{"rendered":"https:\/\/packetstormsecurity.com\/news\/view\/34676\/XFS-Bug-In-Linux-Kernel-6.3.3-Coincides-With-SGI-Code-Comebank.html"},"modified":"2023-05-31T16:12:05","modified_gmt":"2023-05-31T16:12:05","slug":"xfs-bug-in-linux-kernel-6-3-3-coincides-with-sgi-code-comebank","status":"publish","type":"post","link":"https:\/\/www.threatshub.org\/blog\/xfs-bug-in-linux-kernel-6-3-3-coincides-with-sgi-code-comebank\/","title":{"rendered":"XFS Bug In Linux Kernel 6.3.3 Coincides With SGI Code Comebank"},"content":{"rendered":"<p>SGI may be no more but people are still using its code \u2013 and some more of that code may be about to enjoy a revival.<\/p>\n<p>Although <a href=\"https:\/\/www.theregister.com\/2005\/11\/02\/sgi_penny_stock\/\">Silicon Graphics was delisted back in 2005<\/a>, and <a href=\"https:\/\/www.theregister.com\/2009\/05\/11\/rackable_becomes_sgi\/\">its name taken over by Rackable in 2009<\/a>, much of its code is still very much around, in active use, and attracting interest. In December, we reported that <a href=\"https:\/\/www.theregister.com\/2022\/12\/20\/kernel_62_fs_improvements\/\">Linux kernel 6.2 would receive some bug fixes to XFS<\/a>, the filesystem from SGI&#8217;s IRIX proprietary Unix. <a href=\"https:\/\/www.theregister.com\/1999\/08\/12\/sgi_releases_xfs_file_system\/\">SGI donated the filesystem to the Linux kernel<\/a> in 1999.<\/p>\n<p>Well, if you&#8217;re on 6.2, you may want to stay there for now. A <a href=\"https:\/\/www.phoronix.com\/news\/Linux-6.3-XFS-Metadata-Corrupt\" rel=\"nofollow\">bug<\/a> in XFS in kernel 6.3.3 has <a href=\"https:\/\/www.spinics.net\/lists\/linux-xfs\/msg71084.html\" rel=\"nofollow\">shown up<\/a>. It only corrupts metadata, rather than file data itself, but that&#8217;s still nasty and can stop a system from booting even if the root partition is not on XFS. The Fedora team <a href=\"https:\/\/bugzilla.redhat.com\/show_bug.cgi?id=2208553\" rel=\"nofollow\">investigated<\/a> and traced it to a single line of code that was <a href=\"https:\/\/git.kernel.org\/pub\/scm\/linux\/kernel\/git\/torvalds\/linux.git\/commit\/fs\/xfs\/libxfs\/xfs_bmap.c?id=9419092fb2630c30e4ffeb9ef61007ef0c61827a\" rel=\"nofollow\">deleted<\/a> in an attempt to fix a different issue. So it&#8217;s been found and fixed, but as several commentators have <a href=\"https:\/\/news.ycombinator.com\/item?id=36113828\" rel=\"nofollow\">observed<\/a>, this deletion shouldn&#8217;t really have been let through at all.<\/p>\n<div aria-hidden=\"true\" class=\"adun\" data-pos=\"top\" data-raptor=\"condor\" data-xsm=\",fluid,mpu,\" data-sm=\",fluid,mpu,\" data-md=\",fluid,mpu,\"> <noscript> <a href=\"https:\/\/pubads.g.doubleclick.net\/gampad\/jump?co=1&amp;iu=\/6978\/reg_security\/front&amp;sz=300x50%7C300x100%7C300x250%7C300x251%7C300x252%7C300x600%7C300x601&amp;tile=2&amp;c=2ZHgA@SoISYqO@hjYqbYccgAAAIQ&amp;t=ct%3Dns%26unitnum%3D2%26raptor%3Dcondor%26pos%3Dtop%26test%3D0\" target=\"_blank\" rel=\"noopener\"> <img decoding=\"async\" src=\"https:\/\/pubads.g.doubleclick.net\/gampad\/ad?co=1&amp;iu=\/6978\/reg_security\/front&amp;sz=300x50%7C300x100%7C300x250%7C300x251%7C300x252%7C300x600%7C300x601&amp;tile=2&amp;c=2ZHgA@SoISYqO@hjYqbYccgAAAIQ&amp;t=ct%3Dns%26unitnum%3D2%26raptor%3Dcondor%26pos%3Dtop%26test%3D0\" alt> <\/a> <\/noscript> <\/div>\n<p>This issue is <a href=\"https:\/\/lore.kernel.org\/lkml\/2023053044-mummified-paddle-862e@gregkh\/T\/#m2ec9689a1e82e8fd5d58eb340cbd1b350c6e52ec\" rel=\"nofollow\">fixed<\/a> in today&#8217;s kernel 6.3.5 \u2013 meaning that the kernel developers have reinstated the deleted line. XFS users should settle for nothing earlier, in the 6.3 series at least.<\/p>\n<div aria-hidden=\"true\" class=\"adun\" data-pos=\"top\" data-raptor=\"falcon\" data-xmd=\",fluid,mpu,leaderboard,\" data-lg=\",fluid,mpu,leaderboard,\" data-xlg=\",fluid,billboard,superleaderboard,mpu,leaderboard,\" data-xxlg=\",fluid,billboard,superleaderboard,brandwidth,brandimpact,leaderboard,mpu,\"> <noscript> <a href=\"https:\/\/pubads.g.doubleclick.net\/gampad\/jump?co=1&amp;iu=\/6978\/reg_security\/front&amp;sz=300x50%7C300x100%7C300x250%7C300x251%7C300x252%7C300x600%7C300x601&amp;tile=4&amp;c=44ZHgA@SoISYqO@hjYqbYccgAAAIQ&amp;t=ct%3Dns%26unitnum%3D4%26raptor%3Dfalcon%26pos%3Dmid%26test%3D0\" target=\"_blank\" rel=\"noopener\"> <img decoding=\"async\" src=\"https:\/\/pubads.g.doubleclick.net\/gampad\/ad?co=1&amp;iu=\/6978\/reg_security\/front&amp;sz=300x50%7C300x100%7C300x250%7C300x251%7C300x252%7C300x600%7C300x601&amp;tile=4&amp;c=44ZHgA@SoISYqO@hjYqbYccgAAAIQ&amp;t=ct%3Dns%26unitnum%3D426raptor%3Dfalcon%26pos%3Dmid%26test%3D0\" alt> <\/a> <\/noscript> <\/div>\n<div class=\"adun_eagle_desktop_story_wrapper\">\n<div aria-hidden=\"true\" class=\"adun\" data-pos=\"mid\" data-raptor=\"eagle\" data-xxlg=\",mpu,dmpu,\"> <noscript> <a href=\"https:\/\/pubads.g.doubleclick.net\/gampad\/jump?co=1&amp;iu=\/6978\/reg_security\/front&amp;sz=300x50%7C300x100%7C300x250%7C300x251%7C300x252%7C300x600%7C300x601&amp;tile=3&amp;c=33ZHgA@SoISYqO@hjYqbYccgAAAIQ&amp;t=ct%3Dns%26unitnum%3D3%26raptor%3Deagle%26pos%3Dmid%26test%3D0\" target=\"_blank\" rel=\"noopener\"> <img decoding=\"async\" src=\"https:\/\/pubads.g.doubleclick.net\/gampad\/ad?co=1&amp;iu=\/6978\/reg_security\/front&amp;sz=300x50%7C300x100%7C300x250%7C300x251%7C300x252%7C300x600%7C300x601&amp;tile=3&amp;c=33ZHgA@SoISYqO@hjYqbYccgAAAIQ&amp;t=ct%3Dns%26unitnum%3D3%26raptor%3Deagle%26pos%3Dmid%26test%3D0\" alt> <\/a> <\/noscript> <\/div>\n<\/p><\/div>\n<p>XFS has faded somewhat into obscurity in recent years, but in the past it has been the default filesystem in more than one enterprise distro. It&#8217;s also the basis of <a href=\"https:\/\/www.theregister.com\/2022\/10\/24\/daos_22_stratis_33\/\">Red Hat&#8217;s next-generation Stratis storage engine<\/a>, which combines the XFS disk format with ZFS-style enhanced volume management. (<em>The Reg<\/em> FOSS desk hasn&#8217;t used either logical-volume management system in anger in years, but distantly recalls preferring the <a href=\"https:\/\/evms.sourceforge.net\/\" rel=\"nofollow\">EVMS<\/a> tooling to the alternative <a href=\"https:\/\/sourceware.org\/lvm2\/\" rel=\"nofollow\">LVM2<\/a> system, which <a href=\"https:\/\/lwn.net\/Articles\/14714\/\" rel=\"nofollow\">won<\/a> the favor of the kernel developers and got built in instead.)<\/p>\n<p>In other SGI-related matters, OSNews <a href=\"https:\/\/www.osnews.com\/story\/136178\/irix-community-proposes-to-reverse-engineer-the-last-32-bit-irix-kernel\/\" rel=\"nofollow\">reports<\/a> that a surprising project went public last week: an <a href=\"https:\/\/forums.irixnet.org\/thread-3941.html\" rel=\"nofollow\">effort<\/a> to reverse engineer the 32-bit version of Silicon Graphics&#8217; IRIX kernel. The final 32-bit version of IRIX was version 5.3, and this is what the team hopes to recreate in open source form. Although IRIX then went 64-bit and made it to release 6.5.30, the team points out that the 32-bit version was approximately one-third of the size and complexity, as well as offering better backwards compatibility, including with IRIX 4.x. Better still, the project already has a commercial sponsorship, to the tune of some $6,500. The project lead estimates a time frame of 18 to 24 months. We fear that both the timeline and the budget strike us as extremely optimistic.<\/p>\n<p>The problem with trying to reimplement any part of IRIX that wasn&#8217;t expressly published as open source is that somebody still owns it. SGI, as in The Company Formerly Known As Rackable, <a href=\"https:\/\/www.theregister.com\/2016\/08\/11\/hpe_buys_sgi\/\">has been part of HP Enterprise<\/a> since 2016. HPE also owns its own UNIX, HP-UX, but that has no future as recent versions <em>only<\/em> run on Itanium. HPE did <a href=\"https:\/\/www.theregister.com\/2012\/05\/23\/hp_project_blackbird_redwood_hp_ux\/\">have a plan to port HP-UX to x86-64<\/a>, but axed &#8220;Project Redwood&#8221; over a decade ago. As <a href=\"https:\/\/www.theregister.com\/2021\/07\/30\/end_of_itanium_shipments\/\">there is no new hardware being made<\/a> that the OS can run on, HP-UX is effectively as dead as IRIX.<\/p>\n<p>Unlike Itanic, at least one derivative of IRIX&#8217;s native platform still survives. SGI used MIPS processors, and <a href=\"https:\/\/www.theregister.com\/2022\/11\/21\/chinese_loongson_chips\/\">the Chinese Loongson architecture<\/a> is extremely close to MIPS. We wish the IRIX-32 project all possible luck\u2026 but its argument that it&#8217;s out of patent and is therefore safe to recreate sounds less than totally watertight to us. We&#8217;ve asked HPE for its view.<\/p>\n<div class=\"CaptionedImage Center\" readability=\"7\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/regmedia.co.uk\/2017\/06\/05\/maxx_desktop.jpg?x=442&amp;y=293&amp;infer_y=1\" alt=\"Maxx Desktop SGI Indigo Magic Desktop clone for Linux\" title=\"Maxx Desktop SGI Indigo Magic Desktop clone for Linux\" height=\"293\" width=\"442\"><\/p>\n<p class=\"text_center\">Maxx Desktop SGI Indigo Magic Desktop clone for Linux<\/p>\n<\/div>\n<p>There&#8217;s a great deal of nostalgia for Silicon Graphics and its products out there. As we covered a while ago, there is also a project which has <a href=\"https:\/\/www.theregister.com\/2017\/06\/05\/maxx_interactive_desktop_revives_sgi_irix_and_magic_desktop\/\">reimplemented SGI&#8217;s Magic desktop on Linux<\/a>, under the name <a href=\"https:\/\/docs.maxxinteractive.com\/\" rel=\"nofollow\">Maxx Interactive Desktop<\/a>. Since the last time that <em>The Reg<\/em> FOSS Desk looked at it, the project&#8217;s website has been updated, and it has installation instructions for versions of Ubuntu recent enough to still be in support. We hope to take a look at it soon. \u00ae<\/p>\n<h3 class=\"crosshead\">Bootnote<\/h3>\n<p>This <a href=\"https:\/\/www.theregister.com\/2015\/03\/18\/sir_terry_pratchett_http_header\/\">use of G.N.U.<\/a> \u2013 no, not <em>that<\/em> <a href=\"https:\/\/www.gnu.org\/\" rel=\"nofollow\">GNU<\/a> \u2013 is a small tribute to the late great Sir Terry Pratchett.<\/p>\n<p> READ MORE <a href=\"https:\/\/packetstormsecurity.com\/news\/view\/34676\/XFS-Bug-In-Linux-Kernel-6.3.3-Coincides-With-SGI-Code-Comebank.html\">HERE<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>READ MORE HERE&#8230;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"colormag_page_layout":"default_layout","footnotes":""},"categories":[60],"tags":[3707],"class_list":["post-52149","post","type-post","status-publish","format-standard","hentry","category-packet-storm","tag-headlinelinuxflaw"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>XFS Bug In Linux Kernel 6.3.3 Coincides With SGI Code Comebank 2026 | ThreatsHub Cybersecurity News<\/title>\n<meta name=\"description\" content=\"ThreatsHub Cybersecurity News | ThreatsHub.org | Cloud Security &amp; Cyber Threats Analysis Hub. 100% Free OSINT Threat Intelligent and Cybersecurity News.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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