Re: x86_64: fix 2.6.18 regression - PTRACE_OLDSETOPTIONS should be accepted

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On Thu, Feb 15, 2007 at 03:34:23AM +0100, Paolo 'Blaisorblade' Giarrusso wrote:
> Index: linux-2.6.git/arch/x86_64/ia32/ptrace32.c
> ===================================================================
> --- linux-2.6.git.orig/arch/x86_64/ia32/ptrace32.c
> +++ linux-2.6.git/arch/x86_64/ia32/ptrace32.c
> @@ -246,6 +246,7 @@ asmlinkage long sys32_ptrace(long reques
>  	case PTRACE_SINGLESTEP:
>  	case PTRACE_DETACH:
>  	case PTRACE_SYSCALL:
> +	case PTRACE_OLDSETOPTIONS:
>  	case PTRACE_SETOPTIONS:
>  	case PTRACE_SET_THREAD_AREA:
>  	case PTRACE_GET_THREAD_AREA:
> 

I sent an equivalent patch in earlier today:

Index: linux-2.6/arch/x86_64/ia32/ptrace32.c
===================================================================
--- linux-2.6.orig/arch/x86_64/ia32/ptrace32.c
+++ linux-2.6/arch/x86_64/ia32/ptrace32.c
@@ -239,6 +239,8 @@ asmlinkage long sys32_ptrace(long reques
 	__u32 val;
 
 	switch (request) { 
+	case PTRACE_OLDSETOPTIONS:
+		request = PTRACE_SETOPTIONS;
 	case PTRACE_TRACEME:
 	case PTRACE_ATTACH:
 	case PTRACE_KILL:

I change the request so that PTRACE_OLDSETOPTIONS doesn't need to
propogate any further.  However, it is present in include/asm-x86_64,
so I guess that counts as being part of the x86_64 ABI.  That being
the case, I guess my patch can be dropped in favor of this one.

				Jeff

-- 
Work email - jdike at linux dot intel dot com
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