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 57317CDB465 for ; Thu, 19 Oct 2023 17:53:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345163AbjJSRxX (ORCPT ); Thu, 19 Oct 2023 13:53:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48852 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235491AbjJSRxW (ORCPT ); Thu, 19 Oct 2023 13:53:22 -0400 Received: from mgamail.intel.com (mgamail.intel.com [134.134.136.100]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B3EF4114 for ; Thu, 19 Oct 2023 10:53:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1697737999; x=1729273999; h=date:from:to:cc:subject:message-id:mime-version; bh=Pd3CCZYG52QHzkhUwhnJbP7Vv0V+e80kLYjzZuF/o94=; b=Sfi57EtgXu8f8bu7zTP90ynp3GJcy+929rBnucMHhX/5S2hqqm2e1Nub zNFQ2RwRx7mdjUx6ajgZ7bO/zP6cIPVzJ1eY+L8UQmnC8rL2a7YHApDbc SQZ4MQuXv+6G9kd9HVfKzMm3iBXlsqpD7DJXCu8S5D3IjvQb8uFy4P4DD XqiVkqp6Jiknz5Mdo4q9DJMUICHjhLRk+WkpUhbbbKBvnC8+EVE55vAVe +y58hlEw6q6dnkBFNVuAtRS7EZ0Uqvi/gmi8B2ZfaTrqtc7hc0pwD/48a JYigZg0pqHh4FYUxIozHweW23bRqnEepwIyjD4rktemWwpzEZLl+KtT1W A==; X-IronPort-AV: E=McAfee;i="6600,9927,10868"; a="452801080" X-IronPort-AV: E=Sophos;i="6.03,238,1694761200"; d="scan'208";a="452801080" Received: from orsmga006.jf.intel.com ([10.7.209.51]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Oct 2023 10:53:19 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10868"; a="733667206" X-IronPort-AV: E=Sophos;i="6.03,238,1694761200"; d="scan'208";a="733667206" Received: from lkp-server01.sh.intel.com (HELO 8917679a5d3e) ([10.239.97.150]) by orsmga006.jf.intel.com with ESMTP; 19 Oct 2023 10:53:17 -0700 Received: from kbuild by 8917679a5d3e with local (Exim 4.96) (envelope-from ) id 1qtXCt-0002JE-1V; Thu, 19 Oct 2023 17:53:15 +0000 Date: Fri, 20 Oct 2023 01:52:38 +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: <202310200108.9GtKy1TF-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: dd72f9c7e512da377074d47d990564959b772643 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/20231020/202310200108.9GtKy1TF-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/20231020/202310200108.9GtKy1TF-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/202310200108.9GtKy1TF-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