From d301a6e167b75e6a6948d0de03ee44fd477fce56 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Thu, 23 Apr 2009 02:29:18 +0000 Subject: * pthread_attr_setschedparam.c (__pthread_attr_setschedparam): Check policy and priority for validity. Patch mostly by Zhang Xiliang . --- nptl/pthread_attr_setschedparam.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) (limited to 'nptl/pthread_attr_setschedparam.c') diff --git a/nptl/pthread_attr_setschedparam.c b/nptl/pthread_attr_setschedparam.c index 976ad13..b4d4bbe 100644 --- a/nptl/pthread_attr_setschedparam.c +++ b/nptl/pthread_attr_setschedparam.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2002, 2004 Free Software Foundation, Inc. +/* Copyright (C) 2002, 2004, 2009 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper , 2002. @@ -31,6 +31,12 @@ __pthread_attr_setschedparam (attr, param) assert (sizeof (*attr) >= sizeof (struct pthread_attr)); struct pthread_attr *iattr = (struct pthread_attr *) attr; + int min = sched_get_priority_min (iattr->schedpolicy); + int max = sched_get_priority_max (iattr->schedpolicy); + if (min == -1 || max == -1 + || param->sched_priority > max || param->sched_priority < min) + return EINVAL; + /* Copy the new values. */ memcpy (&iattr->schedparam, param, sizeof (struct sched_param)); -- cgit v1.1