linux-kernel - Re: [PATCH v2 6/6] arm64: audit: Add audit hook in ptrace/syscall

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Date:	Thu, 23 Jan 2014 14:56:05 +0000
From:	Catalin Marinas <catalin.marinas@....com>
To:	AKASHI Takahiro <takahiro.akashi@...aro.org>
Cc:	"viro@...iv.linux.org.uk" <viro@...iv.linux.org.uk>,
	"eparis@...hat.com" <eparis@...hat.com>,
	"rgb@...hat.com" <rgb@...hat.com>,
	Will Deacon <Will.Deacon@....com>,
	"arndb@...db.de" <arndb@...db.de>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linaro-kernel@...ts.linaro.org" <linaro-kernel@...ts.linaro.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-audit@...hat.com" <linux-audit@...hat.com>,
	"patches@...aro.org" <patches@...aro.org>
Subject: Re: [PATCH v2 6/6] arm64: audit: Add audit hook in
 ptrace/syscall_trace

On Fri, Jan 17, 2014 at 08:13:19AM +0000, AKASHI Takahiro wrote:
> @@ -1064,6 +1066,16 @@ asmlinkage int syscall_trace(int dir, struct pt_regs *regs)
>  {
>  	unsigned long saved_reg;
>  
> +#ifdef CONFIG_AUDITSYSCALL
> +	if (dir)
> +		audit_syscall_exit(regs);
> +	else
> +		audit_syscall_entry(syscall_get_arch(current, regs),
> +			(int)regs->syscallno,
> +			regs->orig_x0, regs->regs[1],
> +			regs->regs[2], regs->regs[3]);
> +#endif /* CONFIG_AUDITSYSCALL */

It should work without the #ifdef as audit_syscall_exit/entry are dummy
static inline functions when !CONFIG_AUDITSYSCALL.

-- 
Catalin
--
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