The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 21, 2026
Filed:
Feb. 15, 2024
Arm Limited, Cambridge, GB;
ARM LIMITED, Cambridge, GB;
Abstract
A method is presented that includes detecting, by a loader, overlapping permissions for a page while loading a binary file. When writable data overlaps with read-only code in a page, the loader copies the code part of the page with the overlapping permissions to a new page. The original page is set non-executable. The new page can be set executable but read-only. When execution reaches the now non-executable original page, a segmentation fault may be raised. A signal handler installed by the loader detects that the fault is coming from the original page and redirects execution to the new page with the copied code part.
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