Bug 1950764: Work Around Crash on Intel Raptor Lake CPU

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Summary

A patch for Firefox to work around a crash on Intel Raptor Lake CPUs, authored by glandium.

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Cached at: 05/25/26, 03:43 AM

# ⚙ D301917 Bug 1950764 - Work around crash on Intel Raptor Lake CPU. Source: [https://phabricator.services.mozilla.com/D301917](https://phabricator.services.mozilla.com/D301917) [Differential](https://phabricator.services.mozilla.com/differential/)D301917 Authored by**[glandium](https://phabricator.services.mozilla.com/p/glandium/)**on Thu, May 21, 9:16 PM\. - [Edit Revision](https://phabricator.services.mozilla.com/differential/revision/edit/301917/) - [Update Diff](https://phabricator.services.mozilla.com/differential/revision/update/301917/) - [Download Raw Diff](https://phabricator.services.mozilla.com/D301917?download=true) - [View Stack in Lando](https://lando.moz.tools/D301917/) - [New Changes](https://phabricator.services.mozilla.com/D301917/new/) - [Mute Notifications](https://phabricator.services.mozilla.com/subscriptions/mute/PHID-DREV-rg6xhe4q7sf7c7xi563v/) - [Flag For Later](https://phabricator.services.mozilla.com/flag/edit/PHID-DREV-rg6xhe4q7sf7c7xi563v/) *None* [F71230379: D301917\.1779766857\.diff](https://phabricator.services.mozilla.com/F71230379)Mon, May 25, 3:40 AM [F71230073: D301917\.1779766663\.diff](https://phabricator.services.mozilla.com/F71230073)Mon, May 25, 3:37 AM [F71230009: D301917\.1779766606\.diff](https://phabricator.services.mozilla.com/F71230009)Mon, May 25, 3:36 AM [F71229989: D301917\.1779766596\.diff](https://phabricator.services.mozilla.com/F71229989)Mon, May 25, 3:36 AM [F71229939: D301917\.1779766557\.diff](https://phabricator.services.mozilla.com/F71229939)Mon, May 25, 3:35 AM [F71229829: D301917\.1779766482\.diff](https://phabricator.services.mozilla.com/F71229829)Mon, May 25, 3:34 AM [F71229676: D301917\.1779766386\.diff](https://phabricator.services.mozilla.com/F71229676)Mon, May 25, 3:33 AM [F71229448: D301917\.1779766280\.diff](https://phabricator.services.mozilla.com/F71229448)Mon, May 25, 3:31 AM [View All 22 Files](https://phabricator.services.mozilla.com/file/ui/curtain/list/PHID-DREV-rg6xhe4q7sf7c7xi563v/) [tnikkel](https://phabricator.services.mozilla.com/p/tnikkel/) Reviewers[gsvelto](https://phabricator.services.mozilla.com/p/gsvelto/)Bugzilla Bug ID[1950764](https://bugzilla.mozilla.org/show_bug.cgi?id=1950764) Repository[rFIREFOXAUTOLAND firefox\-autoland](https://phabricator.services.mozilla.com/source/firefox-autoland/)BranchHEAD ### Event Timeline [glandium](https://phabricator.services.mozilla.com/p/glandium/)created this revision\. [Herald](https://phabricator.services.mozilla.com/herald/)added a project:[secure\-revision](https://phabricator.services.mozilla.com/tag/secure-revision/)\. [phab\-bot](https://phabricator.services.mozilla.com/p/phab-bot/)published this revision for review\. [phab\-bot](https://phabricator.services.mozilla.com/p/phab-bot/)changed the visibility from "[Custom Policy](https://phabricator.services.mozilla.com/transactions/old/PHID-XACT-DREV-l3sbce2d6wui6ib/)" to "Public \(No Login Required\)"\. [phab\-bot](https://phabricator.services.mozilla.com/p/phab-bot/)changed the edit policy from "[Custom Policy](https://phabricator.services.mozilla.com/transactions/old/PHID-XACT-DREV-cfezgw2csdrtruo/)" to "Restricted Project \(Project\)"\. [phab\-bot](https://phabricator.services.mozilla.com/p/phab-bot/)removed a project:[secure\-revision](https://phabricator.services.mozilla.com/tag/secure-revision/)\. [tnikkel](https://phabricator.services.mozilla.com/p/tnikkel/)added a subscriber:[tnikkel](https://phabricator.services.mozilla.com/p/tnikkel/)\. [Harbormaster](https://phabricator.services.mozilla.com/harbormaster/)completed remote builds in[B972906: Diff 1280481](https://phabricator.services.mozilla.com/B972906)\. - [Files](https://phabricator.services.mozilla.com/D301917#) - [History](https://phabricator.services.mozilla.com/D301917#) - [Commits](https://phabricator.services.mozilla.com/D301917#) - [Similar](https://phabricator.services.mozilla.com/D301917#) PathSize[Cargo\.lock](https://phabricator.services.mozilla.com/D301917#change-kBLRHMbaC8cV) [Cargo\.toml](https://phabricator.services.mozilla.com/D301917#change-rFeP59HZ8M0a) 3 linesthird\_party/ rust/ zlib\-rs/ src/ deflate/ [sym\_buf\.rs](https://phabricator.services.mozilla.com/D301917#change-bIaztmJRcg4Z) 13 lines [View Options](https://phabricator.services.mozilla.com/D301917#) Loading\.\.\. [View Options](https://phabricator.services.mozilla.com/D301917#) Loading\.\.\. [View Options](https://phabricator.services.mozilla.com/D301917#) Loading\.\.\. [Log In to Comment](https://phabricator.services.mozilla.com/login/?next=) [Privacy](https://www.mozilla.org/en-US/privacy/websites/)·[Cookies](https://www.mozilla.org/en-US/privacy/websites/#cookies)·[Legal](https://www.mozilla.org/en-US/about/legal/)

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