From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759551Ab3BZPJh (ORCPT ); Tue, 26 Feb 2013 10:09:37 -0500 Received: from mx1.redhat.com ([209.132.183.28]:1648 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752780Ab3BZPJg (ORCPT ); Tue, 26 Feb 2013 10:09:36 -0500 From: Mark Salter To: Alexander Viro Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, Mark Salter Subject: [PATCH 1/2] Fix AT_EXECFN auxv for no-MMU fdpic Date: Tue, 26 Feb 2013 10:09:06 -0500 Message-Id: <1361891347-20806-1-git-send-email-msalter@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org In the no-MMU case, the FDPIC loader was passing an offset as the value for the AT_EXECFN auxv. This patch translates that offset into an actual user address. Signed-off-by: Mark Salter --- fs/binfmt_elf_fdpic.c | 1 + 1 file changed, 1 insertion(+) diff --git a/fs/binfmt_elf_fdpic.c b/fs/binfmt_elf_fdpic.c index cb240dd..af4c9a4 100644 --- a/fs/binfmt_elf_fdpic.c +++ b/fs/binfmt_elf_fdpic.c @@ -496,6 +496,7 @@ static int create_elf_fdpic_tables(struct linux_binprm *bprm, sp = arch_align_stack(bprm->p); #else sp = mm->start_stack; + bprm->exec = sp - (MAX_ARG_PAGES * PAGE_SIZE - bprm->exec); /* stack the program arguments and environment */ if (elf_fdpic_transfer_args_to_stack(bprm, &sp) < 0) -- 1.8.1.2