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Synthesized CFI for Hand-Written Assembly in GNU Assembler

Offered By: Linux Plumbers Conference via YouTube

Tags

Assembly Language Courses Software Security Courses Control-Flow Integrity Courses

Course Description

Overview

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Explore the extension of GNU assembler to Synthesize CFI (SCFI) for hand-written assembly in this 48-minute conference talk from the Linux Plumbers Conference. Learn about the new command line option "--scfi[=all,none]" that allows users to invoke GAS' SCFI machinery. Discover the restrictions on hand-written assembly and the progress of the project, with x86_64 as the first target. Gain insights into potential future developments, including the "--scfi=inline" option for handling inline assembly. Engage in a discussion about the usefulness of this feature for the Linux kernel and explore possible extensions needed to accommodate the kernel's use of hand-written and inline assembly.

Syllabus

Synthesized CFI for hand-written assembly in GNU assembler - Indu Bhagat


Taught by

Linux Plumbers Conference

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