RESOLVED FIXED306971
[JSC] Allocate JIT compiler thread stacks from SequesteredAllocator memory 
https://bugs.webkit.org/show_bug.cgi?id=306971
Summary [JSC] Allocate JIT compiler thread stacks from SequesteredAllocator memory
Marcus Plutowski
Reported 2026-02-04 11:50:33 PST
rdar://168604548 Compiler threads should not use the native kernel stack, but instead run off of a side-stack allocated by JSC through the SequesteredArenaAllocator. This will achieve significant security hardening by isolating their stack memory and paving the way for future memory protections thereon.
Attachments
Add attachment proposed patch, testcase, etc.
Marcus Plutowski
Comment 1 2026-02-04 18:25:11 PST
Pull request: https://github.com/WebKit/WebKit/pull/57912
EWS
Comment 2 2026-02-12 23:55:46 PST
Committed 307447@main (45be9554866c): <https://commits.webkit.org/307447@main> Reviewed commits have been landed. Closing PR #57912 and removing active labels.
Note You need to log in before you can comment on or make changes to this bug.