Re: [PATCH 1/2] arm64: Add seccomp support

On Fri, Feb 07, 2014 at 10:11:31AM +0000, AKASHI Takahiro wrote:

--- a/arch/arm64/kernel/ptrace.c +++ b/arch/arm64/kernel/ptrace.c @@ -26,6 +26,7 @@ #include <linux/smp.h> #include <linux/ptrace.h> #include <linux/user.h> +#include <linux/seccomp.h> #include <linux/security.h> #include <linux/init.h> #include <linux/signal.h> @@ -1064,6 +1065,10 @@ asmlinkage int syscall_trace(int dir, struct pt_regs *regs) { unsigned long saved_reg;

• if (!dir && secure_computing((int)regs->syscallno))

• /* seccomp failures shouldn't expose any additional code. */
  

• return -1;
  

That's only restricted to the arm64 code but could we use a more meaningful error number?