From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1763305AbYEMUVs (ORCPT ); Tue, 13 May 2008 16:21:48 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1761002AbYEMUPs (ORCPT ); Tue, 13 May 2008 16:15:48 -0400 Received: from ns2.suse.de ([195.135.220.15]:38552 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932120AbYEMUPo (ORCPT ); Tue, 13 May 2008 16:15:44 -0400 Date: Tue, 13 May 2008 13:12:27 -0700 From: Greg KH To: linux-kernel@vger.kernel.org, stable@kernel.org Cc: Justin Forbes , Zwane Mwaikambo , "Theodore Ts'o" , Randy Dunlap , Dave Jones , Chuck Wolber , Chris Wedgwood , Michael Krufky , Chuck Ebbert , Domenico Andreoli , torvalds@linux-foundation.org, akpm@linux-foundation.org, alan@lxorguk.ukuu.org.uk, "David S. Miller" Subject: [patch 24/37] sparc: Fix ptrace() detach. Message-ID: <20080513201227.GY31167@suse.de> References: <20080513200453.064446337@mini.kroah.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline; filename="sparc-fix-ptrace-detach.patch" In-Reply-To: <20080513201053.GA31167@suse.de> User-Agent: Mutt/1.5.16 (2007-06-09) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 2.6.25-stable review patch. If anyone has any objections, please let us know. ------------------ From: David S. Miller [ Upstream commit: 986bef854fab44012df678a5b51817d5274d3ca1 ] Forever we had a PTRACE_SUNOS_DETACH which was unconditionally recognized, regardless of the personality of the process. Unfortunately, this value is what ended up in the GLIBC sys/ptrace.h header file on sparc as PTRACE_DETACH and PT_DETACH. So continue to recognize this old value. Luckily, it doesn't conflict with anything we actually care about. Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- arch/sparc/kernel/ptrace.c | 2 ++ arch/sparc64/kernel/ptrace.c | 4 ++++ include/asm-sparc/ptrace.h | 1 + include/asm-sparc64/ptrace.h | 1 + 4 files changed, 8 insertions(+) --- a/arch/sparc64/kernel/ptrace.c +++ b/arch/sparc64/kernel/ptrace.c @@ -944,6 +944,8 @@ long compat_arch_ptrace(struct task_stru break; default: + if (request == PTRACE_SPARC_DETACH) + request = PTRACE_DETACH; ret = compat_ptrace_request(child, request, addr, data); break; } @@ -1036,6 +1038,8 @@ long arch_ptrace(struct task_struct *chi break; default: + if (request == PTRACE_SPARC_DETACH) + request = PTRACE_DETACH; ret = ptrace_request(child, request, addr, data); break; } --- a/arch/sparc/kernel/ptrace.c +++ b/arch/sparc/kernel/ptrace.c @@ -441,6 +441,8 @@ long arch_ptrace(struct task_struct *chi break; default: + if (request == PTRACE_SPARC_DETACH) + request = PTRACE_DETACH; ret = ptrace_request(child, request, addr, data); break; } --- a/include/asm-sparc64/ptrace.h +++ b/include/asm-sparc64/ptrace.h @@ -263,6 +263,7 @@ extern void __show_regs(struct pt_regs * #define SF_XXARG 0x5c /* Stuff for the ptrace system call */ +#define PTRACE_SPARC_DETACH 11 #define PTRACE_GETREGS 12 #define PTRACE_SETREGS 13 #define PTRACE_GETFPREGS 14 --- a/include/asm-sparc/ptrace.h +++ b/include/asm-sparc/ptrace.h @@ -149,6 +149,7 @@ extern void show_regs(struct pt_regs *); #define SF_XXARG 0x5c /* Stuff for the ptrace system call */ +#define PTRACE_SPARC_DETACH 11 #define PTRACE_GETREGS 12 #define PTRACE_SETREGS 13 #define PTRACE_GETFPREGS 14 --