Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 0b2785823edb7d59c4120003351de6e04446d1df
https://github.com/WebKit/WebKit/commit/0b2785823edb7d59c4120003351de6e04446d1df
Author: Yusuke Suzuki <[email protected]>
Date: 2022-12-15 (Thu, 15 Dec 2022)
Changed paths:
M Source/JavaScriptCore/tools/Integrity.h
M Source/bmalloc/libpas/src/libpas/pas_root.c
Log Message:
-----------
REGRESSION(macOS Ventura): OpenAudible, Eclipse and other Java applications
crash when using WebKit
https://bugs.webkit.org/show_bug.cgi?id=247387
rdar://101892715
Reviewed by Mark Lam.
x64 binary can change unmapped memory region, breaking JSC's assumption on
mmap-returned memory address.
By modifying PAGEZERO address, x64 application can change the start of
mmap-returned memory address.
By default, it is 4GB, but it can be anything larger than 4KB (On the other
hand, ARM64 enforces it
to 4GB at minimum). This patch updates the number for filtering.
* Source/JavaScriptCore/tools/Integrity.h:
(JSC::Integrity::isSanePointer):
* Source/bmalloc/libpas/src/libpas/pas_root.c:
(pas_root_visit_conservative_candidate_pointers_in_address_range):
Canonical link: https://commits.webkit.org/257973@main
_______________________________________________
webkit-changes mailing list
[email protected]
https://lists.webkit.org/mailman/listinfo/webkit-changes
