linux-kernel - Re: [PATCH v3 0/3] fix function type mismatches in syscall wrappers

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Message-ID: <20190529150909.GE11154@fuggles.cambridge.arm.com>
Date:   Wed, 29 May 2019 16:09:09 +0100
From:   Will Deacon <will.deacon@....com>
To:     Sami Tolvanen <samitolvanen@...gle.com>
Cc:     Catalin Marinas <catalin.marinas@....com>,
        Mark Rutland <mark.rutland@....com>,
        Kees Cook <keescook@...omium.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 0/3] fix function type mismatches in syscall wrappers

On Fri, May 24, 2019 at 03:11:15PM -0700, Sami Tolvanen wrote:
> These patches fix type mismatches in arm64 syscall wrapper
> definitions, which trip indirect call checks with Control-Flow
> Integrity.
> 
> Changes in v3:
> - instead of SYSCALL_DEFINE0, just define __arm64_sys_ni_syscall
>   with the correct type to avoid unnecessary error injection

Thanks, I've picked this up for -rc3.

Will