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Kristina Martsenko authored
When we enable pointer authentication in the kernel, LR values saved to the stack will have a PAC which we must strip in order to retrieve the real return address. Strip PACs when unwinding the stack in order to account for this. Reviewed-by: Amit Daniel Kachhap <amit.kachhap@arm.com> Reviewed-by: Kees Cook <keescook@chromium.org> Signed-off-by: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Kristina Martšenko <kristina.martsenko@arm.com>
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