Bug 306971
| Summary: | [JSC] Allocate JIT compiler thread stacks from SequesteredAllocator memory | ||
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| Product: | WebKit | Reporter: | Marcus Plutowski <marcus_plutowski> |
| Component: | JavaScriptCore | Assignee: | Nobody <webkit-unassigned> |
| Status: | RESOLVED FIXED | ||
| Severity: | Normal | CC: | webkit-bug-importer |
| Priority: | P2 | Keywords: | InRadar |
| Version: | WebKit Nightly Build | ||
| Hardware: | Unspecified | ||
| OS: | Unspecified | ||
Marcus Plutowski
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.
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| Add attachment proposed patch, testcase, etc. |
Marcus Plutowski
Pull request: https://github.com/WebKit/WebKit/pull/57912
EWS
Committed 307447@main (45be9554866c): <https://commits.webkit.org/307447@main>
Reviewed commits have been landed. Closing PR #57912 and removing active labels.