From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 87A51CDB47E for ; Wed, 18 Oct 2023 13:07:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231290AbjJRNHR (ORCPT ); Wed, 18 Oct 2023 09:07:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54040 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230368AbjJRNHP (ORCPT ); Wed, 18 Oct 2023 09:07:15 -0400 Received: from mgamail.intel.com (mgamail.intel.com [134.134.136.31]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0AD8C109 for ; Wed, 18 Oct 2023 06:07:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1697634433; x=1729170433; h=date:from:to:cc:subject:message-id:mime-version; bh=IUfI5Hn1WY0nesbuY1C6BW00xQwXa09yle7RMb3I6MU=; b=BsqSBwGxzQQc4zVr8rAfnfFE9N+sOVKcIJkt/jV2UJVgGAHQaL9+2B7N UNXN31IbotXsSGaAR+XD1OAaSasGlen3686AJ67HJ7UBqIAD0/x+XX8Az SenrYn7ehiCplqmywHxhV+AYJrsZUb254kgp2z7FPQ1eNG1JON5g9YYBj X6kXs/qyZynoO0UIuAlU7+e5f6lgOwqVk+LvOeQYvKECJGTO2wmJcMCSf HL0+7UCEPI/Kn59KG0w52xKiqjEbwZy/5cpbbROwim7fGIADohAKCQkoU X1HZ9tN8+zhPZ/7KVAwRWJWIKvrvdZa++kM2r4KodJADjKxfFlior/e0g w==; X-IronPort-AV: E=McAfee;i="6600,9927,10867"; a="450230530" X-IronPort-AV: E=Sophos;i="6.03,235,1694761200"; d="scan'208";a="450230530" Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Oct 2023 06:05:51 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10867"; a="826885727" X-IronPort-AV: E=Sophos;i="6.03,235,1694761200"; d="scan'208";a="826885727" Received: from lkp-server01.sh.intel.com (HELO 8917679a5d3e) ([10.239.97.150]) by fmsmga004.fm.intel.com with ESMTP; 18 Oct 2023 06:05:50 -0700 Received: from kbuild by 8917679a5d3e with local (Exim 4.96) (envelope-from ) id 1qt6FA-0000OG-0h; Wed, 18 Oct 2023 13:05:48 +0000 Date: Wed, 18 Oct 2023 21:04:50 +0800 From: kernel test robot To: "Eric W. Biederman" Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org Subject: kernel/exit.c:738:45: sparse: sparse: incorrect type in initializer (different address spaces) Message-ID: <202310182039.voMB2bBz-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 06dc10eae55b5ceabfef287a7e5f16ceea204aa0 commit: d80f7d7b2c75c5954d335dffbccca62a5002c3e0 signal: Guarantee that SIGNAL_GROUP_EXIT is set on process exit date: 1 year, 3 months ago config: x86_64-alldefconfig (https://download.01.org/0day-ci/archive/20231018/202310182039.voMB2bBz-lkp@intel.com/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231018/202310182039.voMB2bBz-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202310182039.voMB2bBz-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) kernel/exit.c:281:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *tsk @@ got struct task_struct [noderef] __rcu *real_parent @@ kernel/exit.c:281:37: sparse: expected struct task_struct *tsk kernel/exit.c:281:37: sparse: got struct task_struct [noderef] __rcu *real_parent kernel/exit.c:284:32: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *task @@ got struct task_struct [noderef] __rcu *real_parent @@ kernel/exit.c:284:32: sparse: expected struct task_struct *task kernel/exit.c:284:32: sparse: got struct task_struct [noderef] __rcu *real_parent kernel/exit.c:285:35: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *task @@ got struct task_struct [noderef] __rcu *real_parent @@ kernel/exit.c:285:35: sparse: expected struct task_struct *task kernel/exit.c:285:35: sparse: got struct task_struct [noderef] __rcu *real_parent kernel/exit.c:330:24: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct *parent @@ got struct task_struct [noderef] __rcu *real_parent @@ kernel/exit.c:330:24: sparse: expected struct task_struct *parent kernel/exit.c:330:24: sparse: got struct task_struct [noderef] __rcu *real_parent kernel/exit.c:357:27: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@ kernel/exit.c:357:27: sparse: expected struct spinlock [usertype] *lock kernel/exit.c:357:27: sparse: got struct spinlock [noderef] __rcu * kernel/exit.c:360:29: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@ kernel/exit.c:360:29: sparse: expected struct spinlock [usertype] *lock kernel/exit.c:360:29: sparse: got struct spinlock [noderef] __rcu * kernel/exit.c:583:29: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct *reaper @@ got struct task_struct [noderef] __rcu *real_parent @@ kernel/exit.c:583:29: sparse: expected struct task_struct *reaper kernel/exit.c:583:29: sparse: got struct task_struct [noderef] __rcu *real_parent kernel/exit.c:585:29: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct *reaper @@ got struct task_struct [noderef] __rcu *real_parent @@ kernel/exit.c:585:29: sparse: expected struct task_struct *reaper kernel/exit.c:585:29: sparse: got struct task_struct [noderef] __rcu *real_parent >> kernel/exit.c:738:45: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct sighand_struct *sighand @@ got struct sighand_struct [noderef] __rcu *sighand @@ kernel/exit.c:738:45: sparse: expected struct sighand_struct *sighand kernel/exit.c:738:45: sparse: got struct sighand_struct [noderef] __rcu *sighand kernel/exit.c:927:63: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct sighand_struct *const sighand @@ got struct sighand_struct [noderef] __rcu *sighand @@ kernel/exit.c:927:63: sparse: expected struct sighand_struct *const sighand kernel/exit.c:927:63: sparse: got struct sighand_struct [noderef] __rcu *sighand kernel/exit.c:1082:39: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@ kernel/exit.c:1082:39: sparse: expected struct spinlock [usertype] *lock kernel/exit.c:1082:39: sparse: got struct spinlock [noderef] __rcu * kernel/exit.c:1107:41: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@ kernel/exit.c:1107:41: sparse: expected struct spinlock [usertype] *lock kernel/exit.c:1107:41: sparse: got struct spinlock [noderef] __rcu * kernel/exit.c:1196:25: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@ kernel/exit.c:1196:25: sparse: expected struct spinlock [usertype] *lock kernel/exit.c:1196:25: sparse: got struct spinlock [noderef] __rcu * kernel/exit.c:1211:27: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@ kernel/exit.c:1211:27: sparse: expected struct spinlock [usertype] *lock kernel/exit.c:1211:27: sparse: got struct spinlock [noderef] __rcu * kernel/exit.c:1262:25: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@ kernel/exit.c:1262:25: sparse: expected struct spinlock [usertype] *lock kernel/exit.c:1262:25: sparse: got struct spinlock [noderef] __rcu * kernel/exit.c:1265:35: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@ kernel/exit.c:1265:35: sparse: expected struct spinlock [usertype] *lock kernel/exit.c:1265:35: sparse: got struct spinlock [noderef] __rcu * kernel/exit.c:1271:27: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@ kernel/exit.c:1271:27: sparse: expected struct spinlock [usertype] *lock kernel/exit.c:1271:27: sparse: got struct spinlock [noderef] __rcu * kernel/exit.c:1452:59: sparse: sparse: incompatible types in comparison expression (different base types): kernel/exit.c:1452:59: sparse: void * kernel/exit.c:1452:59: sparse: struct task_struct [noderef] __rcu * kernel/exit.c:1468:25: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *parent @@ got struct task_struct [noderef] __rcu * @@ kernel/exit.c:1468:25: sparse: expected struct task_struct *parent kernel/exit.c:1468:25: sparse: got struct task_struct [noderef] __rcu * kernel/exit.c: note: in included file: include/linux/ptrace.h:92:40: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p1 @@ got struct task_struct [noderef] __rcu *real_parent @@ include/linux/ptrace.h:92:40: sparse: expected struct task_struct *p1 include/linux/ptrace.h:92:40: sparse: got struct task_struct [noderef] __rcu *real_parent include/linux/ptrace.h:92:60: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct task_struct *p2 @@ got struct task_struct [noderef] __rcu *parent @@ include/linux/ptrace.h:92:60: sparse: expected struct task_struct *p2 include/linux/ptrace.h:92:60: sparse: got struct task_struct [noderef] __rcu *parent include/linux/ptrace.h:92:40: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p1 @@ got struct task_struct [noderef] __rcu *real_parent @@ include/linux/ptrace.h:92:40: sparse: expected struct task_struct *p1 include/linux/ptrace.h:92:40: sparse: got struct task_struct [noderef] __rcu *real_parent include/linux/ptrace.h:92:60: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct task_struct *p2 @@ got struct task_struct [noderef] __rcu *parent @@ include/linux/ptrace.h:92:60: sparse: expected struct task_struct *p2 include/linux/ptrace.h:92:60: sparse: got struct task_struct [noderef] __rcu *parent kernel/exit.c: note: in included file (through include/linux/sched/signal.h, include/linux/rcuwait.h, include/linux/percpu-rwsem.h, ...): include/linux/sched/task.h:110:21: sparse: sparse: context imbalance in 'wait_task_zombie' - unexpected unlock include/linux/sched/task.h:110:21: sparse: sparse: context imbalance in 'wait_task_stopped' - unexpected unlock include/linux/sched/task.h:110:21: sparse: sparse: context imbalance in 'wait_task_continued' - unexpected unlock kernel/exit.c: note: in included file: include/linux/ptrace.h:92:40: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p1 @@ got struct task_struct [noderef] __rcu *real_parent @@ include/linux/ptrace.h:92:40: sparse: expected struct task_struct *p1 include/linux/ptrace.h:92:40: sparse: got struct task_struct [noderef] __rcu *real_parent include/linux/ptrace.h:92:60: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct task_struct *p2 @@ got struct task_struct [noderef] __rcu *parent @@ include/linux/ptrace.h:92:60: sparse: expected struct task_struct *p2 include/linux/ptrace.h:92:60: sparse: got struct task_struct [noderef] __rcu *parent kernel/exit.c: note: in included file (through include/linux/thread_info.h, arch/x86/include/asm/preempt.h, include/linux/preempt.h, ...): arch/x86/include/asm/current.h:15:16: sparse: sparse: context imbalance in 'do_wait' - wrong count at exit vim +738 kernel/exit.c 735 736 static void synchronize_group_exit(struct task_struct *tsk, long code) 737 { > 738 struct sighand_struct *sighand = tsk->sighand; 739 struct signal_struct *signal = tsk->signal; 740 741 spin_lock_irq(&sighand->siglock); 742 signal->quick_threads--; 743 if ((signal->quick_threads == 0) && 744 !(signal->flags & SIGNAL_GROUP_EXIT)) { 745 signal->flags = SIGNAL_GROUP_EXIT; 746 signal->group_exit_code = code; 747 signal->group_stop_count = 0; 748 } 749 spin_unlock_irq(&sighand->siglock); 750 } 751 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki