From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755900Ab0BJTzY (ORCPT ); Wed, 10 Feb 2010 14:55:24 -0500 Received: from smtp.mujha-vel.cz ([81.30.225.246]:35563 "EHLO smtp.mujha-vel.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755735Ab0BJTzX (ORCPT ); Wed, 10 Feb 2010 14:55:23 -0500 From: Jiri Slaby To: mingo@elte.hu Cc: akpm@linux-foundation.org, linux-kernel@vger.kernel.org, jirislaby@gmail.com, Thomas Gleixner , "H. Peter Anvin" , Ollie Wild , x86@kernel.org Subject: [PATCH -resend 1/1] x86: ia32_aout, do not kill argument mapping Date: Wed, 10 Feb 2010 20:55:16 +0100 Message-Id: <1265831716-7668-1-git-send-email-jslaby@suse.cz> X-Mailer: git-send-email 1.6.6.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Do not set current->mm->mmap to NULL in 32-bit emulation on 64-bit load_aout_binary after flush_old_exec as it would destroy already set brpm mapping with arguments. Introduced by b6a2fea39318e43fee84fa7b0b90d68bed92d2ba mm: variable length argument support where the argument mapping in bprm was added. Signed-off-by: Jiri Slaby Cc: Ingo Molnar Cc: Thomas Gleixner Cc: "H. Peter Anvin" Cc: Ollie Wild Cc: x86@kernel.org --- arch/x86/ia32/ia32_aout.c | 1 - 1 files changed, 0 insertions(+), 1 deletions(-) diff --git a/arch/x86/ia32/ia32_aout.c b/arch/x86/ia32/ia32_aout.c index 9046e4a..280c019 100644 --- a/arch/x86/ia32/ia32_aout.c +++ b/arch/x86/ia32/ia32_aout.c @@ -327,7 +327,6 @@ static int load_aout_binary(struct linux_binprm *bprm, struct pt_regs *regs) current->mm->free_area_cache = TASK_UNMAPPED_BASE; current->mm->cached_hole_size = 0; - current->mm->mmap = NULL; install_exec_creds(bprm); current->flags &= ~PF_FORKNOEXEC; -- 1.6.6.1