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From: kernel test robot <lkp@intel.com>
To: "Eric W. Biederman" <ebiederm@xmission.com>,
	Linus Torvalds <torvalds@linux-foundation.org>
Cc: kbuild-all@lists.01.org, LKML <linux-kernel@vger.kernel.org>,
	Al Viro <viro@zeniv.linux.org.uk>,
	Michael Schmitz <schmitzmic@gmail.com>,
	linux-arch <linux-arch@vger.kernel.org>,
	Jens Axboe <axboe@kernel.dk>, Oleg Nesterov <oleg@redhat.com>,
	Richard Henderson <rth@twiddle.net>,
	Ivan Kokshaysky <ink@jurassic.park.msu.ru>,
	Matt Turner <mattst88@gmail.com>
Subject: Re: [PATCH 4/9] signal: Factor start_group_exit out of complete_signal
Date: Fri, 25 Jun 2021 16:47:51 +0800	[thread overview]
Message-ID: <202106251625.5vrSsmdo-lkp@intel.com> (raw)
In-Reply-To: <87czsb6q9r.fsf_-_@disp2133>

[-- Attachment #1: Type: text/plain, Size: 17971 bytes --]

Hi "Eric,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on linux/master]
[also build test WARNING on linus/master v5.13-rc7 next-20210624]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Eric-W-Biederman/signal-sh-Use-force_sig-SIGKILL-instead-of-do_group_exit-SIGKILL/20210625-040018
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 4a09d388f2ab382f217a764e6a152b3f614246f6
config: riscv-randconfig-s032-20210622 (attached as .config)
compiler: riscv64-linux-gcc (GCC) 9.3.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.3-341-g8af24329-dirty
        # https://github.com/0day-ci/linux/commit/096b21cc14d8d22f557833af71ad16318cfe51f0
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Eric-W-Biederman/signal-sh-Use-force_sig-SIGKILL-instead-of-do_group_exit-SIGKILL/20210625-040018
        git checkout 096b21cc14d8d22f557833af71ad16318cfe51f0
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' W=1 ARCH=riscv 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>


sparse warnings: (new ones prefixed by >>)
   kernel/signal.c: note: in included file (through include/uapi/asm-generic/signal.h, include/asm-generic/signal.h, arch/riscv/include/generated/uapi/asm/signal.h, ...):
   include/uapi/asm-generic/signal-defs.h:82:29: sparse: sparse: multiple address spaces given
   kernel/signal.c:195:31: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/signal.c:195:31: sparse:     expected struct spinlock [usertype] *lock
   kernel/signal.c:195:31: sparse:     got struct spinlock [noderef] __rcu *
   kernel/signal.c:198:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/signal.c:198:33: sparse:     expected struct spinlock [usertype] *lock
   kernel/signal.c:198:33: sparse:     got struct spinlock [noderef] __rcu *
   kernel/signal.c:535:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/signal.c:535:9: sparse:     expected struct spinlock [usertype] *lock
   kernel/signal.c:535:9: sparse:     got struct spinlock [noderef] __rcu *
   kernel/signal.c:539:34: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/signal.c:539:34: sparse:     expected struct spinlock [usertype] *lock
   kernel/signal.c:539:34: sparse:     got struct spinlock [noderef] __rcu *
   kernel/signal.c:572:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/signal.c:572:9: sparse:     expected struct spinlock [usertype] *lock
   kernel/signal.c:572:9: sparse:     got struct spinlock [noderef] __rcu *
   kernel/signal.c:575:36: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/signal.c:575:36: sparse:     expected struct spinlock [usertype] *lock
   kernel/signal.c:575:36: sparse:     got struct spinlock [noderef] __rcu *
   kernel/signal.c:597:53: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected struct k_sigaction *ka @@     got struct k_sigaction [noderef] __rcu * @@
   kernel/signal.c:597:53: sparse:     expected struct k_sigaction *ka
   kernel/signal.c:597:53: sparse:     got struct k_sigaction [noderef] __rcu *
   include/uapi/asm-generic/signal-defs.h:82:29: sparse: sparse: multiple address spaces given
   kernel/signal.c:750:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/signal.c:750:33: sparse:     expected struct spinlock [usertype] *lock
   kernel/signal.c:750:33: sparse:     got struct spinlock [noderef] __rcu *
   kernel/signal.c:752:31: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/signal.c:752:31: sparse:     expected struct spinlock [usertype] *lock
   kernel/signal.c:752:31: sparse:     got struct spinlock [noderef] __rcu *
   kernel/signal.c:939:9: sparse: sparse: cast removes address space '__rcu' of expression
>> kernel/signal.c:1072:63: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected struct sighand_struct *const sighand @@     got struct sighand_struct [noderef] __rcu *sighand @@
   kernel/signal.c:1072:63: sparse:     expected struct sighand_struct *const sighand
   kernel/signal.c:1072:63: sparse:     got struct sighand_struct [noderef] __rcu *sighand
   kernel/signal.c:1156:9: sparse: sparse: cast removes address space '__rcu' of expression
   kernel/signal.c:1397:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/signal.c:1397:9: sparse:     expected struct spinlock [usertype] *lock
   kernel/signal.c:1397:9: sparse:     got struct spinlock [noderef] __rcu *
   kernel/signal.c:1398:16: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected struct k_sigaction *action @@     got struct k_sigaction [noderef] __rcu * @@
   kernel/signal.c:1398:16: sparse:     expected struct k_sigaction *action
   kernel/signal.c:1398:16: sparse:     got struct k_sigaction [noderef] __rcu *
   kernel/signal.c:1415:34: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/signal.c:1415:34: sparse:     expected struct spinlock [usertype] *lock
   kernel/signal.c:1415:34: sparse:     got struct spinlock [noderef] __rcu *
   kernel/signal.c:1726:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/signal.c:1726:17: sparse:     expected struct spinlock [usertype] *lock
   kernel/signal.c:1726:17: sparse:     got struct spinlock [noderef] __rcu *
   kernel/signal.c:1728:42: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/signal.c:1728:42: sparse:     expected struct spinlock [usertype] *lock
   kernel/signal.c:1728:42: sparse:     got struct spinlock [noderef] __rcu *
   kernel/signal.c:1932:36: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/signal.c:1932:36: sparse:     expected struct spinlock [usertype] *lock
   kernel/signal.c:1932:36: sparse:     got struct spinlock [noderef] __rcu *
   kernel/signal.c:2042:44: sparse: sparse: cast removes address space '__rcu' of expression
   kernel/signal.c:2061:65: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct task_struct *tsk @@     got struct task_struct [noderef] __rcu *parent @@
   kernel/signal.c:2061:65: sparse:     expected struct task_struct *tsk
   kernel/signal.c:2061:65: sparse:     got struct task_struct [noderef] __rcu *parent
   kernel/signal.c:2062:40: sparse: sparse: cast removes address space '__rcu' of expression
   kernel/signal.c:2080:14: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected struct sighand_struct *psig @@     got struct sighand_struct [noderef] __rcu *[noderef] __rcu sighand @@
   kernel/signal.c:2080:14: sparse:     expected struct sighand_struct *psig
   kernel/signal.c:2080:14: sparse:     got struct sighand_struct [noderef] __rcu *[noderef] __rcu sighand
   kernel/signal.c:2109:46: sparse: sparse: incorrect type in argument 3 (different address spaces) @@     expected struct task_struct *t @@     got struct task_struct [noderef] __rcu *parent @@
   kernel/signal.c:2109:46: sparse:     expected struct task_struct *t
   kernel/signal.c:2109:46: sparse:     got struct task_struct [noderef] __rcu *parent
   kernel/signal.c:2110:34: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected struct task_struct *parent @@     got struct task_struct [noderef] __rcu *parent @@
   kernel/signal.c:2110:34: sparse:     expected struct task_struct *parent
   kernel/signal.c:2110:34: sparse:     got struct task_struct [noderef] __rcu *parent
   kernel/signal.c:2139:24: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected struct task_struct *parent @@     got struct task_struct [noderef] __rcu *parent @@
   kernel/signal.c:2139:24: sparse:     expected struct task_struct *parent
   kernel/signal.c:2139:24: sparse:     got struct task_struct [noderef] __rcu *parent
   kernel/signal.c:2142:24: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected struct task_struct *parent @@     got struct task_struct [noderef] __rcu *real_parent @@
   kernel/signal.c:2142:24: sparse:     expected struct task_struct *parent
   kernel/signal.c:2142:24: sparse:     got struct task_struct [noderef] __rcu *real_parent
   kernel/signal.c:2175:17: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected struct sighand_struct *sighand @@     got struct sighand_struct [noderef] __rcu *sighand @@
   kernel/signal.c:2175:17: sparse:     expected struct sighand_struct *sighand
   kernel/signal.c:2175:17: sparse:     got struct sighand_struct [noderef] __rcu *sighand
   kernel/signal.c:2250:41: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/signal.c:2250:41: sparse:     expected struct spinlock [usertype] *lock
   kernel/signal.c:2250:41: sparse:     got struct spinlock [noderef] __rcu *
   kernel/signal.c:2252:39: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/signal.c:2252:39: sparse:     expected struct spinlock [usertype] *lock
   kernel/signal.c:2252:39: sparse:     got struct spinlock [noderef] __rcu *
   kernel/signal.c:2300:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/signal.c:2300:33: sparse:     expected struct spinlock [usertype] *lock
   kernel/signal.c:2300:33: sparse:     got struct spinlock [noderef] __rcu *
   kernel/signal.c:2355:31: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/signal.c:2355:31: sparse:     expected struct spinlock [usertype] *lock
   kernel/signal.c:2355:31: sparse:     got struct spinlock [noderef] __rcu *
   kernel/signal.c:2389:31: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/signal.c:2389:31: sparse:     expected struct spinlock [usertype] *lock
   kernel/signal.c:2389:31: sparse:     got struct spinlock [noderef] __rcu *
   kernel/signal.c:2391:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/signal.c:2391:33: sparse:     expected struct spinlock [usertype] *lock
   kernel/signal.c:2391:33: sparse:     got struct spinlock [noderef] __rcu *
   kernel/signal.c:2488:41: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/signal.c:2488:41: sparse:     expected struct spinlock [usertype] *lock
   kernel/signal.c:2488:41: sparse:     got struct spinlock [noderef] __rcu *
   kernel/signal.c:2573:41: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/signal.c:2573:41: sparse:     expected struct spinlock [usertype] *lock
   kernel/signal.c:2573:41: sparse:     got struct spinlock [noderef] __rcu *
   kernel/signal.c:2585:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/signal.c:2585:33: sparse:     expected struct spinlock [usertype] *lock
   kernel/signal.c:2585:33: sparse:     got struct spinlock [noderef] __rcu *
   kernel/signal.c:2623:52: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct task_struct *tsk @@     got struct task_struct [noderef] __rcu *parent @@
   kernel/signal.c:2623:52: sparse:     expected struct task_struct *tsk
   kernel/signal.c:2623:52: sparse:     got struct task_struct [noderef] __rcu *parent
   kernel/signal.c:2625:49: sparse: sparse: cast removes address space '__rcu' of expression
   kernel/signal.c:2662:49: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected struct sighand_struct *sighand @@     got struct sighand_struct [noderef] __rcu *sighand @@
   kernel/signal.c:2662:49: sparse:     expected struct sighand_struct *sighand
   kernel/signal.c:2662:49: sparse:     got struct sighand_struct [noderef] __rcu *sighand
   kernel/signal.c:2991:27: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/signal.c:2991:27: sparse:     expected struct spinlock [usertype] *lock
   kernel/signal.c:2991:27: sparse:     got struct spinlock [noderef] __rcu *
   kernel/signal.c:3011:29: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/signal.c:3011:29: sparse:     expected struct spinlock [usertype] *lock
   kernel/signal.c:3011:29: sparse:     got struct spinlock [noderef] __rcu *
   kernel/signal.c:3078:27: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/signal.c:3078:27: sparse:     expected struct spinlock [usertype] *lock
   kernel/signal.c:3078:27: sparse:     got struct spinlock [noderef] __rcu *
   kernel/signal.c:3080:29: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/signal.c:3080:29: sparse:     expected struct spinlock [usertype] *lock
   kernel/signal.c:3080:29: sparse:     got struct spinlock [noderef] __rcu *
   kernel/signal.c:3231:31: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/signal.c:3231:31: sparse:     expected struct spinlock [usertype] *lock
   kernel/signal.c:3231:31: sparse:     got struct spinlock [noderef] __rcu *
   kernel/signal.c:3234:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/signal.c:3234:33: sparse:     expected struct spinlock [usertype] *lock
   kernel/signal.c:3234:33: sparse:     got struct spinlock [noderef] __rcu *
   kernel/signal.c:3617:27: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/signal.c:3617:27: sparse:     expected struct spinlock [usertype] *lock
   kernel/signal.c:3617:27: sparse:     got struct spinlock [noderef] __rcu *
   kernel/signal.c:3629:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@

vim +1072 kernel/signal.c

  1068	
  1069	void start_group_exit(int exit_code)
  1070	{
  1071		if (!fatal_signal_pending(current)) {
> 1072			struct sighand_struct *const sighand = current->sighand;
  1073	
  1074			spin_lock_irq(&sighand->siglock);
  1075			if (!fatal_signal_pending(current))
  1076				start_group_exit_locked(current->signal, exit_code);
  1077			spin_unlock_irq(&sighand->siglock);
  1078		}
  1079	}
  1080	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 29916 bytes --]

WARNING: multiple messages have this Message-ID (diff)
From: kernel test robot <lkp@intel.com>
To: kbuild-all@lists.01.org
Subject: Re: [PATCH 4/9] signal: Factor start_group_exit out of complete_signal
Date: Fri, 25 Jun 2021 16:47:51 +0800	[thread overview]
Message-ID: <202106251625.5vrSsmdo-lkp@intel.com> (raw)
In-Reply-To: <87czsb6q9r.fsf_-_@disp2133>

[-- Attachment #1: Type: text/plain, Size: 18156 bytes --]

Hi "Eric,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on linux/master]
[also build test WARNING on linus/master v5.13-rc7 next-20210624]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Eric-W-Biederman/signal-sh-Use-force_sig-SIGKILL-instead-of-do_group_exit-SIGKILL/20210625-040018
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 4a09d388f2ab382f217a764e6a152b3f614246f6
config: riscv-randconfig-s032-20210622 (attached as .config)
compiler: riscv64-linux-gcc (GCC) 9.3.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.3-341-g8af24329-dirty
        # https://github.com/0day-ci/linux/commit/096b21cc14d8d22f557833af71ad16318cfe51f0
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Eric-W-Biederman/signal-sh-Use-force_sig-SIGKILL-instead-of-do_group_exit-SIGKILL/20210625-040018
        git checkout 096b21cc14d8d22f557833af71ad16318cfe51f0
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' W=1 ARCH=riscv 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>


sparse warnings: (new ones prefixed by >>)
   kernel/signal.c: note: in included file (through include/uapi/asm-generic/signal.h, include/asm-generic/signal.h, arch/riscv/include/generated/uapi/asm/signal.h, ...):
   include/uapi/asm-generic/signal-defs.h:82:29: sparse: sparse: multiple address spaces given
   kernel/signal.c:195:31: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/signal.c:195:31: sparse:     expected struct spinlock [usertype] *lock
   kernel/signal.c:195:31: sparse:     got struct spinlock [noderef] __rcu *
   kernel/signal.c:198:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/signal.c:198:33: sparse:     expected struct spinlock [usertype] *lock
   kernel/signal.c:198:33: sparse:     got struct spinlock [noderef] __rcu *
   kernel/signal.c:535:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/signal.c:535:9: sparse:     expected struct spinlock [usertype] *lock
   kernel/signal.c:535:9: sparse:     got struct spinlock [noderef] __rcu *
   kernel/signal.c:539:34: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/signal.c:539:34: sparse:     expected struct spinlock [usertype] *lock
   kernel/signal.c:539:34: sparse:     got struct spinlock [noderef] __rcu *
   kernel/signal.c:572:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/signal.c:572:9: sparse:     expected struct spinlock [usertype] *lock
   kernel/signal.c:572:9: sparse:     got struct spinlock [noderef] __rcu *
   kernel/signal.c:575:36: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/signal.c:575:36: sparse:     expected struct spinlock [usertype] *lock
   kernel/signal.c:575:36: sparse:     got struct spinlock [noderef] __rcu *
   kernel/signal.c:597:53: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected struct k_sigaction *ka @@     got struct k_sigaction [noderef] __rcu * @@
   kernel/signal.c:597:53: sparse:     expected struct k_sigaction *ka
   kernel/signal.c:597:53: sparse:     got struct k_sigaction [noderef] __rcu *
   include/uapi/asm-generic/signal-defs.h:82:29: sparse: sparse: multiple address spaces given
   kernel/signal.c:750:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/signal.c:750:33: sparse:     expected struct spinlock [usertype] *lock
   kernel/signal.c:750:33: sparse:     got struct spinlock [noderef] __rcu *
   kernel/signal.c:752:31: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/signal.c:752:31: sparse:     expected struct spinlock [usertype] *lock
   kernel/signal.c:752:31: sparse:     got struct spinlock [noderef] __rcu *
   kernel/signal.c:939:9: sparse: sparse: cast removes address space '__rcu' of expression
>> kernel/signal.c:1072:63: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected struct sighand_struct *const sighand @@     got struct sighand_struct [noderef] __rcu *sighand @@
   kernel/signal.c:1072:63: sparse:     expected struct sighand_struct *const sighand
   kernel/signal.c:1072:63: sparse:     got struct sighand_struct [noderef] __rcu *sighand
   kernel/signal.c:1156:9: sparse: sparse: cast removes address space '__rcu' of expression
   kernel/signal.c:1397:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/signal.c:1397:9: sparse:     expected struct spinlock [usertype] *lock
   kernel/signal.c:1397:9: sparse:     got struct spinlock [noderef] __rcu *
   kernel/signal.c:1398:16: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected struct k_sigaction *action @@     got struct k_sigaction [noderef] __rcu * @@
   kernel/signal.c:1398:16: sparse:     expected struct k_sigaction *action
   kernel/signal.c:1398:16: sparse:     got struct k_sigaction [noderef] __rcu *
   kernel/signal.c:1415:34: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/signal.c:1415:34: sparse:     expected struct spinlock [usertype] *lock
   kernel/signal.c:1415:34: sparse:     got struct spinlock [noderef] __rcu *
   kernel/signal.c:1726:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/signal.c:1726:17: sparse:     expected struct spinlock [usertype] *lock
   kernel/signal.c:1726:17: sparse:     got struct spinlock [noderef] __rcu *
   kernel/signal.c:1728:42: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/signal.c:1728:42: sparse:     expected struct spinlock [usertype] *lock
   kernel/signal.c:1728:42: sparse:     got struct spinlock [noderef] __rcu *
   kernel/signal.c:1932:36: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/signal.c:1932:36: sparse:     expected struct spinlock [usertype] *lock
   kernel/signal.c:1932:36: sparse:     got struct spinlock [noderef] __rcu *
   kernel/signal.c:2042:44: sparse: sparse: cast removes address space '__rcu' of expression
   kernel/signal.c:2061:65: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct task_struct *tsk @@     got struct task_struct [noderef] __rcu *parent @@
   kernel/signal.c:2061:65: sparse:     expected struct task_struct *tsk
   kernel/signal.c:2061:65: sparse:     got struct task_struct [noderef] __rcu *parent
   kernel/signal.c:2062:40: sparse: sparse: cast removes address space '__rcu' of expression
   kernel/signal.c:2080:14: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected struct sighand_struct *psig @@     got struct sighand_struct [noderef] __rcu *[noderef] __rcu sighand @@
   kernel/signal.c:2080:14: sparse:     expected struct sighand_struct *psig
   kernel/signal.c:2080:14: sparse:     got struct sighand_struct [noderef] __rcu *[noderef] __rcu sighand
   kernel/signal.c:2109:46: sparse: sparse: incorrect type in argument 3 (different address spaces) @@     expected struct task_struct *t @@     got struct task_struct [noderef] __rcu *parent @@
   kernel/signal.c:2109:46: sparse:     expected struct task_struct *t
   kernel/signal.c:2109:46: sparse:     got struct task_struct [noderef] __rcu *parent
   kernel/signal.c:2110:34: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected struct task_struct *parent @@     got struct task_struct [noderef] __rcu *parent @@
   kernel/signal.c:2110:34: sparse:     expected struct task_struct *parent
   kernel/signal.c:2110:34: sparse:     got struct task_struct [noderef] __rcu *parent
   kernel/signal.c:2139:24: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected struct task_struct *parent @@     got struct task_struct [noderef] __rcu *parent @@
   kernel/signal.c:2139:24: sparse:     expected struct task_struct *parent
   kernel/signal.c:2139:24: sparse:     got struct task_struct [noderef] __rcu *parent
   kernel/signal.c:2142:24: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected struct task_struct *parent @@     got struct task_struct [noderef] __rcu *real_parent @@
   kernel/signal.c:2142:24: sparse:     expected struct task_struct *parent
   kernel/signal.c:2142:24: sparse:     got struct task_struct [noderef] __rcu *real_parent
   kernel/signal.c:2175:17: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected struct sighand_struct *sighand @@     got struct sighand_struct [noderef] __rcu *sighand @@
   kernel/signal.c:2175:17: sparse:     expected struct sighand_struct *sighand
   kernel/signal.c:2175:17: sparse:     got struct sighand_struct [noderef] __rcu *sighand
   kernel/signal.c:2250:41: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/signal.c:2250:41: sparse:     expected struct spinlock [usertype] *lock
   kernel/signal.c:2250:41: sparse:     got struct spinlock [noderef] __rcu *
   kernel/signal.c:2252:39: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/signal.c:2252:39: sparse:     expected struct spinlock [usertype] *lock
   kernel/signal.c:2252:39: sparse:     got struct spinlock [noderef] __rcu *
   kernel/signal.c:2300:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/signal.c:2300:33: sparse:     expected struct spinlock [usertype] *lock
   kernel/signal.c:2300:33: sparse:     got struct spinlock [noderef] __rcu *
   kernel/signal.c:2355:31: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/signal.c:2355:31: sparse:     expected struct spinlock [usertype] *lock
   kernel/signal.c:2355:31: sparse:     got struct spinlock [noderef] __rcu *
   kernel/signal.c:2389:31: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/signal.c:2389:31: sparse:     expected struct spinlock [usertype] *lock
   kernel/signal.c:2389:31: sparse:     got struct spinlock [noderef] __rcu *
   kernel/signal.c:2391:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/signal.c:2391:33: sparse:     expected struct spinlock [usertype] *lock
   kernel/signal.c:2391:33: sparse:     got struct spinlock [noderef] __rcu *
   kernel/signal.c:2488:41: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/signal.c:2488:41: sparse:     expected struct spinlock [usertype] *lock
   kernel/signal.c:2488:41: sparse:     got struct spinlock [noderef] __rcu *
   kernel/signal.c:2573:41: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/signal.c:2573:41: sparse:     expected struct spinlock [usertype] *lock
   kernel/signal.c:2573:41: sparse:     got struct spinlock [noderef] __rcu *
   kernel/signal.c:2585:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/signal.c:2585:33: sparse:     expected struct spinlock [usertype] *lock
   kernel/signal.c:2585:33: sparse:     got struct spinlock [noderef] __rcu *
   kernel/signal.c:2623:52: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct task_struct *tsk @@     got struct task_struct [noderef] __rcu *parent @@
   kernel/signal.c:2623:52: sparse:     expected struct task_struct *tsk
   kernel/signal.c:2623:52: sparse:     got struct task_struct [noderef] __rcu *parent
   kernel/signal.c:2625:49: sparse: sparse: cast removes address space '__rcu' of expression
   kernel/signal.c:2662:49: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected struct sighand_struct *sighand @@     got struct sighand_struct [noderef] __rcu *sighand @@
   kernel/signal.c:2662:49: sparse:     expected struct sighand_struct *sighand
   kernel/signal.c:2662:49: sparse:     got struct sighand_struct [noderef] __rcu *sighand
   kernel/signal.c:2991:27: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/signal.c:2991:27: sparse:     expected struct spinlock [usertype] *lock
   kernel/signal.c:2991:27: sparse:     got struct spinlock [noderef] __rcu *
   kernel/signal.c:3011:29: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/signal.c:3011:29: sparse:     expected struct spinlock [usertype] *lock
   kernel/signal.c:3011:29: sparse:     got struct spinlock [noderef] __rcu *
   kernel/signal.c:3078:27: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/signal.c:3078:27: sparse:     expected struct spinlock [usertype] *lock
   kernel/signal.c:3078:27: sparse:     got struct spinlock [noderef] __rcu *
   kernel/signal.c:3080:29: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/signal.c:3080:29: sparse:     expected struct spinlock [usertype] *lock
   kernel/signal.c:3080:29: sparse:     got struct spinlock [noderef] __rcu *
   kernel/signal.c:3231:31: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/signal.c:3231:31: sparse:     expected struct spinlock [usertype] *lock
   kernel/signal.c:3231:31: sparse:     got struct spinlock [noderef] __rcu *
   kernel/signal.c:3234:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/signal.c:3234:33: sparse:     expected struct spinlock [usertype] *lock
   kernel/signal.c:3234:33: sparse:     got struct spinlock [noderef] __rcu *
   kernel/signal.c:3617:27: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/signal.c:3617:27: sparse:     expected struct spinlock [usertype] *lock
   kernel/signal.c:3617:27: sparse:     got struct spinlock [noderef] __rcu *
   kernel/signal.c:3629:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@

vim +1072 kernel/signal.c

  1068	
  1069	void start_group_exit(int exit_code)
  1070	{
  1071		if (!fatal_signal_pending(current)) {
> 1072			struct sighand_struct *const sighand = current->sighand;
  1073	
  1074			spin_lock_irq(&sighand->siglock);
  1075			if (!fatal_signal_pending(current))
  1076				start_group_exit_locked(current->signal, exit_code);
  1077			spin_unlock_irq(&sighand->siglock);
  1078		}
  1079	}
  1080	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

[-- Attachment #2: config.gz --]
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  parent reply	other threads:[~2021-06-25  8:48 UTC|newest]

Thread overview: 126+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-10 20:57 Kernel stack read with PTRACE_EVENT_EXIT and io_uring threads Eric W. Biederman
2021-06-10 20:57 ` Eric W. Biederman
2021-06-10 22:04 ` Linus Torvalds
2021-06-11 21:39   ` Eric W. Biederman
2021-06-11 23:26     ` Linus Torvalds
2021-06-13 21:54       ` Eric W. Biederman
2021-06-13 22:18         ` Linus Torvalds
2021-06-14  2:05           ` Michael Schmitz
2021-06-14  5:03             ` Michael Schmitz
2021-06-14 16:26               ` Eric W. Biederman
2021-06-14 22:26                 ` Michael Schmitz
2021-06-15 19:30                   ` Eric W. Biederman
2021-06-15 19:36                     ` [PATCH] alpha: Add extra switch_stack frames in exit, exec, and kernel threads Eric W. Biederman
2021-06-15 22:02                       ` Linus Torvalds
2021-06-16 16:32                         ` Eric W. Biederman
2021-06-16 18:29                           ` [PATCH 0/2] alpha/ptrace: Improved switch_stack handling Eric W. Biederman
2021-06-16 18:31                             ` [PATCH 1/2] alpha/ptrace: Record and handle the absence of switch_stack Eric W. Biederman
2021-06-16 20:00                               ` Linus Torvalds
2021-06-16 20:37                                 ` Linus Torvalds
2021-06-16 20:57                                   ` Eric W. Biederman
2021-06-16 21:02                                     ` Al Viro
2021-06-16 21:08                                     ` Linus Torvalds
2021-06-16 20:42                                 ` Eric W. Biederman
2021-06-16 20:17                               ` Al Viro
2021-06-21  2:01                               ` Michael Schmitz
2021-06-21  2:17                                 ` Linus Torvalds
2021-06-21  3:18                                   ` Michael Schmitz
2021-06-21  3:37                                     ` Linus Torvalds
2021-06-21  4:08                                       ` Michael Schmitz
2021-06-21  3:44                                     ` Al Viro
2021-06-21  5:31                                       ` Michael Schmitz
2021-06-21  2:27                                 ` Al Viro
2021-06-21  3:36                                   ` Michael Schmitz
2021-06-16 18:32                             ` [PATCH 2/2] alpha/ptrace: Add missing switch_stack frames Eric W. Biederman
2021-06-16 20:25                               ` Al Viro
2021-06-16 20:28                                 ` Al Viro
2021-06-16 20:49                                   ` Eric W. Biederman
2021-06-16 20:54                                     ` Al Viro
2021-06-16 20:47                                 ` Eric W. Biederman
2021-06-16 20:55                                   ` Al Viro
2021-06-16 20:50                       ` [PATCH] alpha: Add extra switch_stack frames in exit, exec, and kernel threads Al Viro
2021-06-15 20:56                     ` Kernel stack read with PTRACE_EVENT_EXIT and io_uring threads Michael Schmitz
2021-06-16  0:23                       ` Finn Thain
2021-06-15 21:58                     ` Linus Torvalds
2021-06-16 15:06                       ` Eric W. Biederman
2021-06-21 13:54                       ` Al Viro
2021-06-21 14:16                         ` Al Viro
2021-06-21 16:50                           ` Eric W. Biederman
2021-06-21 23:05                             ` Al Viro
2021-06-22 16:39                               ` Eric W. Biederman
2021-06-21 15:38                         ` Linus Torvalds
2021-06-21 18:59                         ` Al Viro
2021-06-21 19:22                           ` Linus Torvalds
2021-06-21 19:45                             ` Al Viro
2021-06-21 23:14                               ` Linus Torvalds
2021-06-21 23:23                                 ` Al Viro
2021-06-21 23:36                                   ` Linus Torvalds
2021-06-22 21:02                                     ` Eric W. Biederman
2021-06-22 21:48                                       ` Michael Schmitz
2021-06-23  5:26                                         ` Michael Schmitz
2021-06-23 14:36                                           ` Eric W. Biederman
2021-06-22  0:01                                 ` Michael Schmitz
2021-06-22 20:04                                 ` Michael Schmitz
2021-06-22 20:18                                   ` Al Viro
2021-06-22 21:57                                     ` Michael Schmitz
2021-06-21 20:03                             ` Eric W. Biederman
2021-06-21 23:15                               ` Linus Torvalds
2021-06-22 20:52                                 ` Eric W. Biederman
2021-06-23  0:41                                   ` Linus Torvalds
2021-06-23 14:33                                     ` Eric W. Biederman
2021-06-24 18:57                                       ` [PATCH 0/9] Refactoring exit Eric W. Biederman
2021-06-24 18:59                                         ` [PATCH 1/9] signal/sh: Use force_sig(SIGKILL) instead of do_group_exit(SIGKILL) Eric W. Biederman
2021-06-24 18:59                                         ` [PATCH 2/9] signal/seccomp: Refactor seccomp signal and coredump generation Eric W. Biederman
2021-06-26  3:17                                           ` Kees Cook
2021-06-28 19:21                                             ` Eric W. Biederman
2021-06-28 14:34                                           ` [signal/seccomp] 3fdd8c68c2: kernel-selftests.seccomp.seccomp_bpf.fail kernel test robot
2021-06-28 14:34                                             ` kernel test robot
2021-06-24 19:00                                         ` [PATCH 3/9] signal/seccomp: Dump core when there is only one live thread Eric W. Biederman
2021-06-26  3:20                                           ` Kees Cook
2021-06-24 19:01                                         ` [PATCH 4/9] signal: Factor start_group_exit out of complete_signal Eric W. Biederman
2021-06-24 20:04                                           ` Linus Torvalds
2021-06-25  8:47                                           ` kernel test robot [this message]
2021-06-25  8:47                                             ` kernel test robot
2021-06-26  3:24                                           ` Kees Cook
2021-06-24 19:01                                         ` [PATCH 5/9] signal/group_exit: Use start_group_exit in place of do_group_exit Eric W. Biederman
2021-06-26  3:35                                           ` Kees Cook
2021-06-24 19:02                                         ` [PATCH 6/9] signal: Fold do_group_exit into get_signal fixing io_uring threads Eric W. Biederman
2021-06-26  3:42                                           ` Kees Cook
2021-06-28 19:25                                             ` Eric W. Biederman
2021-06-24 19:02                                         ` [PATCH 7/9] signal: Make individual tasks exiting a first class concept Eric W. Biederman
2021-06-24 20:11                                           ` Linus Torvalds
2021-06-24 21:37                                             ` Eric W. Biederman
2021-06-24 19:03                                         ` [PATCH 8/9] signal/task_exit: Use start_task_exit in place of do_exit Eric W. Biederman
2021-06-26  5:56                                           ` Kees Cook
2021-06-24 19:03                                         ` [PATCH 9/9] signal: Move PTRACE_EVENT_EXIT into get_signal Eric W. Biederman
2021-06-24 22:45                                         ` [PATCH 0/9] Refactoring exit Al Viro
2021-06-27 22:13                                           ` Al Viro
2021-06-27 22:59                                             ` Michael Schmitz
2021-06-28  7:31                                               ` Geert Uytterhoeven
2021-06-28 16:20                                                 ` Eric W. Biederman
2021-06-28 17:14                                                 ` Michael Schmitz
2021-06-28 19:17                                                   ` Geert Uytterhoeven
2021-06-28 20:13                                                     ` Michael Schmitz
2021-06-28 21:18                                                       ` Geert Uytterhoeven
2021-06-28 23:42                                                         ` Michael Schmitz
2021-06-29 20:28                                                           ` [CFT][PATCH] exit/bdflush: Remove the deprecated bdflush system call Eric W. Biederman
2021-06-29 20:28                                                             ` Eric W. Biederman
2021-06-29 21:45                                                             ` Michael Schmitz
2021-06-29 21:45                                                               ` Michael Schmitz
2021-06-30  8:24                                                             ` Geert Uytterhoeven
2021-06-30  8:37                                                             ` Arnd Bergmann
2021-06-30 12:30                                                             ` Cyril Hrubis
2021-06-28 19:02                                           ` [PATCH 0/9] Refactoring exit Eric W. Biederman
2021-06-21 19:24                           ` Kernel stack read with PTRACE_EVENT_EXIT and io_uring threads Al Viro
2021-06-21 23:24                             ` Michael Schmitz
2021-06-16  7:38                     ` Geert Uytterhoeven
2021-06-16 19:40                       ` Michael Schmitz
2021-06-12 23:38 ` [PATCH v1] m68k: save extra registers on sys_exit and sys_exit_group syscall entry Michael Schmitz
2021-06-13 19:59   ` Linus Torvalds
2021-06-13 20:07     ` Michael Schmitz
2021-06-13 20:26       ` Linus Torvalds
2021-06-13 20:33         ` Linus Torvalds
2021-06-13 20:47         ` Linus Torvalds
2021-06-14  7:13   ` Michael Schmitz
2021-06-14  7:40     ` Andreas Schwab
2021-06-14  8:19       ` Michael Schmitz

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