Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: b7acc3e9d9af22f5c897ec914deecfdfd322b3ff
https://github.com/WebKit/WebKit/commit/b7acc3e9d9af22f5c897ec914deecfdfd322b3ff
Author: Marcus Plutowski <[email protected]>
Date: 2025-10-15 (Wed, 15 Oct 2025)
Changed paths:
M Source/bmalloc/libpas/src/libpas/pas_utility_heap_config.h
Log Message:
-----------
[libpas] Stop marking utility heap pages with allow_mte_tagging=true
https://bugs.webkit.org/show_bug.cgi?id=300803
rdar://162684059
Reviewed by Keith Miller.
Utility heap allocations are not *tagged*, but currently they are
allocated out of pages which have 'allow_mte_tagging' set to true.
This is erroneous as we cannot actually MTE-tag these pages, due to
utility heap allocations sometimes coming out of the
pas-compact-bootstrap-heap.
Canonical link: https://commits.webkit.org/301573@main
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