From: kernel test robot <lkp@intel.com>
To: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: kbuild-all@lists.01.org,
Linux Memory Management List <linux-mm@kvack.org>
Subject: [linux-next:master 390/4736] kernel/exit.c:738:45: sparse: sparse: incorrect type in initializer (different address spaces)
Date: Sun, 4 Sep 2022 23:52:47 +0800 [thread overview]
Message-ID: <202209042337.FQi69rLV-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: e47eb90a0a9ae20b82635b9b99a8d0979b757ad8
commit: d80f7d7b2c75c5954d335dffbccca62a5002c3e0 [390/4736] signal: Guarantee that SIGNAL_GROUP_EXIT is set on process exit
config: openrisc-randconfig-s051-20220904 (https://download.01.org/0day-ci/archive/20220904/202209042337.FQi69rLV-lkp@intel.com/config)
compiler: or1k-linux-gcc (GCC) 12.1.0
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: v0.6.4-39-gce1a6720-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=d80f7d7b2c75c5954d335dffbccca62a5002c3e0
git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
git fetch --no-tags linux-next master
git checkout d80f7d7b2c75c5954d335dffbccca62a5002c3e0
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=openrisc SHELL=/bin/bash
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <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:1560:9: 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://01.org/lkp
reply other threads:[~2022-09-04 15:53 UTC|newest]
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