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Subject[peterz-queue:sched/wip.freezer 23/27] include/linux/sched/signal.h:452:9: sparse: sparse: incorrect type in argument 1 (different address spaces)
tree:   https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git sched/wip.freezer
head: 64978a9d068187798f29fccb0755af70776cf047
commit: 7dc1bdf5f1f10cabafc5d8792ac0867d584affe7 [23/27] sched,signal,ptrace: Rework TASK_TRACED, TASK_STOPPED state
config: x86_64-randconfig-s022 (https://download.01.org/0day-ci/archive/20220416/202204160418.mfpTkqQ6-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.2.0-19) 11.2.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.4-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/commit/?id=7dc1bdf5f1f10cabafc5d8792ac0867d584affe7
git remote add peterz-queue https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git
git fetch --no-tags peterz-queue sched/wip.freezer
git checkout 7dc1bdf5f1f10cabafc5d8792ac0867d584affe7
# save the config file to linux build tree
mkdir build_dir
make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=x86_64 SHELL=/bin/bash

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/ptrace.c:54:22: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/ptrace.c:54:22: sparse: struct task_struct *
kernel/ptrace.c:54:22: sparse: struct task_struct [noderef] __rcu *
kernel/ptrace.c:73:23: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct [noderef] __rcu *parent @@ got struct task_struct *new_parent @@
kernel/ptrace.c:73:23: sparse: expected struct task_struct [noderef] __rcu *parent
kernel/ptrace.c:73:23: sparse: got struct task_struct *new_parent
kernel/ptrace.c:74:29: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct cred const [noderef] __rcu *ptracer_cred @@ got struct cred const * @@
kernel/ptrace.c:74:29: sparse: expected struct cred const [noderef] __rcu *ptracer_cred
kernel/ptrace.c:74:29: sparse: got struct cred const *
kernel/ptrace.c:128:18: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct cred const *old_cred @@ got struct cred const [noderef] __rcu *ptracer_cred @@
kernel/ptrace.c:128:18: sparse: expected struct cred const *old_cred
kernel/ptrace.c:128:18: sparse: got struct cred const [noderef] __rcu *ptracer_cred
kernel/ptrace.c:132:25: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/ptrace.c:132:25: sparse: expected struct spinlock [usertype] *lock
kernel/ptrace.c:132:25: sparse: got struct spinlock [noderef] __rcu *
kernel/ptrace.c:170:27: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/ptrace.c:170:27: sparse: expected struct spinlock [usertype] *lock
kernel/ptrace.c:170:27: sparse: got struct spinlock [noderef] __rcu *
kernel/ptrace.c:202:28: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/ptrace.c:202:28: sparse: expected struct spinlock [usertype] *lock
kernel/ptrace.c:202:28: sparse: got struct spinlock [noderef] __rcu *
kernel/ptrace.c:209:30: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/ptrace.c:209:30: sparse: expected struct spinlock [usertype] *lock
kernel/ptrace.c:209:30: sparse: got struct spinlock [noderef] __rcu *
kernel/ptrace.c:219:9: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/ptrace.c:219:9: sparse: struct task_struct [noderef] __rcu *
kernel/ptrace.c:219:9: sparse: struct task_struct *
kernel/ptrace.c:266:44: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/ptrace.c:266:44: sparse: struct task_struct [noderef] __rcu *
kernel/ptrace.c:266:44: sparse: struct task_struct *
kernel/ptrace.c:466:24: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/ptrace.c:466:24: sparse: expected struct spinlock [usertype] *lock
kernel/ptrace.c:466:24: sparse: got struct spinlock [noderef] __rcu *
kernel/ptrace.c:491:26: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/ptrace.c:491:26: sparse: expected struct spinlock [usertype] *lock
kernel/ptrace.c:491:26: sparse: got struct spinlock [noderef] __rcu *
kernel/ptrace.c:527:54: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *parent @@ got struct task_struct [noderef] __rcu *parent @@
kernel/ptrace.c:527:54: sparse: expected struct task_struct *parent
kernel/ptrace.c:527:54: sparse: got struct task_struct [noderef] __rcu *parent
kernel/ptrace.c:535:53: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct task_struct *new_parent @@ got struct task_struct [noderef] __rcu *real_parent @@
kernel/ptrace.c:535:53: sparse: expected struct task_struct *new_parent
kernel/ptrace.c:535:53: sparse: got struct task_struct [noderef] __rcu *real_parent
kernel/ptrace.c:583:41: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p1 @@ got struct task_struct [noderef] __rcu *real_parent @@
kernel/ptrace.c:583:41: sparse: expected struct task_struct *p1
kernel/ptrace.c:583:41: sparse: got struct task_struct [noderef] __rcu *real_parent
kernel/ptrace.c:585:50: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct sighand_struct *sigh @@ got struct sighand_struct [noderef] __rcu *sighand @@
kernel/ptrace.c:585:50: sparse: expected struct sighand_struct *sigh
kernel/ptrace.c:585:50: sparse: got struct sighand_struct [noderef] __rcu *sighand
kernel/ptrace.c:776:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/ptrace.c:776:37: sparse: expected struct spinlock [usertype] *lock
kernel/ptrace.c:776:37: sparse: got struct spinlock [noderef] __rcu *
kernel/ptrace.c:784:39: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/ptrace.c:784:39: sparse: expected struct spinlock [usertype] *lock
kernel/ptrace.c:784:39: sparse: got struct spinlock [noderef] __rcu *
kernel/ptrace.c:907:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/ptrace.c:907:37: sparse: expected struct spinlock [usertype] *lock
kernel/ptrace.c:907:37: sparse: got struct spinlock [noderef] __rcu *
kernel/ptrace.c:911:39: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/ptrace.c:911:39: sparse: expected struct spinlock [usertype] *lock
kernel/ptrace.c:911:39: sparse: got struct spinlock [noderef] __rcu *
kernel/ptrace.c:1141:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/ptrace.c:1141:37: sparse: expected struct spinlock [usertype] *lock
kernel/ptrace.c:1141:37: sparse: got struct spinlock [noderef] __rcu *
kernel/ptrace.c:1143:39: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/ptrace.c:1143:39: sparse: expected struct spinlock [usertype] *lock
kernel/ptrace.c:1143:39: sparse: got struct spinlock [noderef] __rcu *
kernel/ptrace.c: note: in included file (through include/linux/rcuwait.h, include/linux/percpu-rwsem.h, include/linux/fs.h, ...):
>> include/linux/sched/signal.h:452:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct lockdep_map const *lock @@ got struct lockdep_map [noderef] __rcu * @@
include/linux/sched/signal.h:452:9: sparse: expected struct lockdep_map const *lock
include/linux/sched/signal.h:452:9: sparse: got struct lockdep_map [noderef] __rcu *
kernel/ptrace.c:533:38: sparse: sparse: dereference of noderef expression
include/linux/sched/signal.h:744:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
include/linux/sched/signal.h:744:37: sparse: expected struct spinlock [usertype] *lock
include/linux/sched/signal.h:744:37: sparse: got struct spinlock [noderef] __rcu *
kernel/ptrace.c:723:9: sparse: sparse: context imbalance in 'ptrace_getsiginfo' - different lock contexts for basic block
include/linux/sched/signal.h:744:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
include/linux/sched/signal.h:744:37: sparse: expected struct spinlock [usertype] *lock
include/linux/sched/signal.h:744:37: sparse: got struct spinlock [noderef] __rcu *
kernel/ptrace.c:739:9: sparse: sparse: context imbalance in 'ptrace_setsiginfo' - different lock contexts for basic block
kernel/ptrace.c:913:9: sparse: sparse: context imbalance in 'ptrace_resume' - different lock contexts for basic block
>> include/linux/sched/signal.h:452:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct lockdep_map const *lock @@ got struct lockdep_map [noderef] __rcu * @@
include/linux/sched/signal.h:452:9: sparse: expected struct lockdep_map const *lock
include/linux/sched/signal.h:452:9: sparse: got struct lockdep_map [noderef] __rcu *
include/linux/sched/signal.h:744:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
include/linux/sched/signal.h:744:37: sparse: expected struct spinlock [usertype] *lock
include/linux/sched/signal.h:744:37: sparse: got struct spinlock [noderef] __rcu *
>> include/linux/sched/signal.h:452:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct lockdep_map const *lock @@ got struct lockdep_map [noderef] __rcu * @@
include/linux/sched/signal.h:452:9: sparse: expected struct lockdep_map const *lock
include/linux/sched/signal.h:452:9: sparse: got struct lockdep_map [noderef] __rcu *
include/linux/sched/signal.h:744:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
include/linux/sched/signal.h:744:37: sparse: expected struct spinlock [usertype] *lock
include/linux/sched/signal.h:744:37: sparse: got struct spinlock [noderef] __rcu *
kernel/ptrace.c:1295:9: sparse: sparse: context imbalance in 'ptrace_request' - different lock contexts for basic block
--
kernel/signal.c: note: in included file (through arch/x86/include/uapi/asm/signal.h, arch/x86/include/asm/signal.h, include/uapi/linux/signal.h, ...):
include/uapi/asm-generic/signal-defs.h:83:29: 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:480:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/signal.c:480:9: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:480:9: sparse: got struct spinlock [noderef] __rcu *
kernel/signal.c:484:34: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/signal.c:484:34: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:484:34: sparse: got struct spinlock [noderef] __rcu *
kernel/signal.c:517:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/signal.c:517:9: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:517:9: sparse: got struct spinlock [noderef] __rcu *
kernel/signal.c:520:36: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/signal.c:520:36: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:520:36: sparse: got struct spinlock [noderef] __rcu *
kernel/signal.c:542:53: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct k_sigaction *ka @@ got struct k_sigaction [noderef] __rcu * @@
kernel/signal.c:542:53: sparse: expected struct k_sigaction *ka
kernel/signal.c:542:53: sparse: got struct k_sigaction [noderef] __rcu *
include/uapi/asm-generic/signal-defs.h:83:29: sparse: sparse: multiple address spaces given
kernel/signal.c:698:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/signal.c:698:33: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:698:33: sparse: got struct spinlock [noderef] __rcu *
kernel/signal.c:700:31: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/signal.c:700:31: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:700:31: sparse: got struct spinlock [noderef] __rcu *
>> kernel/signal.c:887:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct lockdep_map const *lock @@ got struct lockdep_map [noderef] __rcu * @@
kernel/signal.c:887:9: sparse: expected struct lockdep_map const *lock
kernel/signal.c:887:9: sparse: got struct lockdep_map [noderef] __rcu *
kernel/signal.c:1083:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct qspinlock *lock @@ got struct qspinlock [noderef] __rcu * @@
kernel/signal.c:1083:9: sparse: expected struct qspinlock *lock
kernel/signal.c:1083:9: sparse: got struct qspinlock [noderef] __rcu *
kernel/signal.c:1331:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/signal.c:1331:9: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:1331:9: sparse: got struct spinlock [noderef] __rcu *
kernel/signal.c:1332:16: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct k_sigaction *action @@ got struct k_sigaction [noderef] __rcu * @@
kernel/signal.c:1332:16: sparse: expected struct k_sigaction *action
kernel/signal.c:1332:16: sparse: got struct k_sigaction [noderef] __rcu *
kernel/signal.c:1352:34: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/signal.c:1352:34: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:1352:34: sparse: got struct spinlock [noderef] __rcu *
kernel/signal.c:1930:36: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/signal.c:1930:36: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:1930:36: sparse: got struct spinlock [noderef] __rcu *
kernel/signal.c:2040:44: sparse: sparse: cast removes address space '__rcu' of expression
kernel/signal.c:2059:65: 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:2059:65: sparse: expected struct task_struct *tsk
kernel/signal.c:2059:65: sparse: got struct task_struct [noderef] __rcu *parent
kernel/signal.c:2060:40: sparse: sparse: cast removes address space '__rcu' of expression
kernel/signal.c:2078:14: 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:2078:14: sparse: expected struct sighand_struct *psig
kernel/signal.c:2078:14: sparse: got struct sighand_struct [noderef] __rcu *[noderef] __rcu sighand
kernel/signal.c:2107:46: 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:2107:46: sparse: expected struct task_struct *t
kernel/signal.c:2107:46: sparse: got struct task_struct [noderef] __rcu *parent
kernel/signal.c:2108:34: 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:2108:34: sparse: expected struct task_struct *parent
kernel/signal.c:2108:34: sparse: got struct task_struct [noderef] __rcu *parent
kernel/signal.c:2137:24: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct *parent @@ got struct task_struct [noderef] __rcu *parent @@
kernel/signal.c:2137:24: sparse: expected struct task_struct *parent
kernel/signal.c:2137:24: sparse: got struct task_struct [noderef] __rcu *parent
kernel/signal.c:2140:24: 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:2140:24: sparse: expected struct task_struct *parent
kernel/signal.c:2140:24: sparse: got struct task_struct [noderef] __rcu *real_parent
kernel/signal.c:2173:17: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sighand_struct *sighand @@ got struct sighand_struct [noderef] __rcu *sighand @@
kernel/signal.c:2173:17: sparse: expected struct sighand_struct *sighand
kernel/signal.c:2173:17: sparse: got struct sighand_struct [noderef] __rcu *sighand
kernel/signal.c:2214:41: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/signal.c:2214:41: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:2214:41: sparse: got struct spinlock [noderef] __rcu *
kernel/signal.c:2216:39: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/signal.c:2216:39: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:2216:39: sparse: got struct spinlock [noderef] __rcu *
kernel/signal.c:2268:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/signal.c:2268:33: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:2268:33: sparse: got struct spinlock [noderef] __rcu *
kernel/signal.c:2324:31: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/signal.c:2324:31: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:2324:31: sparse: got struct spinlock [noderef] __rcu *
kernel/signal.c:2365:31: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/signal.c:2365:31: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:2365:31: sparse: got struct spinlock [noderef] __rcu *
kernel/signal.c:2367:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/signal.c:2367:33: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:2367:33: sparse: got struct spinlock [noderef] __rcu *
kernel/signal.c:2467:41: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/signal.c:2467:41: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:2467:41: sparse: got struct spinlock [noderef] __rcu *
kernel/signal.c:2551:41: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/signal.c:2551:41: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:2551:41: sparse: got struct spinlock [noderef] __rcu *
kernel/signal.c:2563:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/signal.c:2563:33: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:2563:33: sparse: got struct spinlock [noderef] __rcu *
kernel/signal.c:2598:52: 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:2598:52: sparse: expected struct task_struct *tsk
kernel/signal.c:2598:52: sparse: got struct task_struct [noderef] __rcu *parent
kernel/signal.c:2600:49: sparse: sparse: cast removes address space '__rcu' of expression
kernel/signal.c:2638:49: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct sighand_struct *sighand @@ got struct sighand_struct [noderef] __rcu *sighand @@
kernel/signal.c:2638:49: sparse: expected struct sighand_struct *sighand
kernel/signal.c:2638:49: sparse: got struct sighand_struct [noderef] __rcu *sighand
kernel/signal.c:2967:27: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/signal.c:2967:27: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:2967:27: sparse: got struct spinlock [noderef] __rcu *
kernel/signal.c:2987:29: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/signal.c:2987:29: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:2987:29: sparse: got struct spinlock [noderef] __rcu *
kernel/signal.c:3054:27: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/signal.c:3054:27: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:3054:27: sparse: got struct spinlock [noderef] __rcu *
kernel/signal.c:3056:29: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/signal.c:3056:29: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:3056:29: sparse: got struct spinlock [noderef] __rcu *
kernel/signal.c:3207:31: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/signal.c:3207:31: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:3207:31: sparse: got struct spinlock [noderef] __rcu *
kernel/signal.c:3210:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/signal.c:3210:33: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:3210:33: sparse: got struct spinlock [noderef] __rcu *
kernel/signal.c:3597:27: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/signal.c:3597:27: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:3597:27: sparse: got struct spinlock [noderef] __rcu *
kernel/signal.c:3609:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/signal.c:3609:37: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:3609:37: sparse: got struct spinlock [noderef] __rcu *
kernel/signal.c:3614:35: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/signal.c:3614:35: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:3614:35: sparse: got struct spinlock [noderef] __rcu *
kernel/signal.c:3619:29: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/signal.c:3619:29: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:3619:29: sparse: got struct spinlock [noderef] __rcu *
kernel/signal.c:4073:31: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/signal.c:4073:31: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:4073:31: sparse: got struct spinlock [noderef] __rcu *
kernel/signal.c:4085:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/signal.c:4085:33: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:4085:33: sparse: got struct spinlock [noderef] __rcu *
kernel/signal.c:4103:11: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct k_sigaction *k @@ got struct k_sigaction [noderef] __rcu * @@
kernel/signal.c:4103:11: sparse: expected struct k_sigaction *k
kernel/signal.c:4103:11: sparse: got struct k_sigaction [noderef] __rcu *
kernel/signal.c:4105:25: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/signal.c:4105:25: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:4105:25: sparse: got struct spinlock [noderef] __rcu *
kernel/signal.c:4107:35: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/signal.c:4107:35: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:4107:35: sparse: got struct spinlock [noderef] __rcu *
kernel/signal.c:4155:27: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/signal.c:4155:27: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:4155:27: sparse: got struct spinlock [noderef] __rcu *
kernel/signal.c:69:34: sparse: sparse: dereference of noderef expression
kernel/signal.c: note: in included file (through include/linux/sched/cputime.h):
include/linux/sched/signal.h:442:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct lockdep_map const *lock @@ got struct lockdep_map [noderef] __rcu * @@
include/linux/sched/signal.h:442:9: sparse: expected struct lockdep_map const *lock
include/linux/sched/signal.h:442:9: sparse: got struct lockdep_map [noderef] __rcu *
kernel/signal.c:529:35: sparse: sparse: dereference of noderef expression
kernel/signal.c:557:52: sparse: sparse: dereference of noderef expression
>> include/linux/sched/signal.h:452:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct lockdep_map const *lock @@ got struct lockdep_map [noderef] __rcu * @@
include/linux/sched/signal.h:452:9: sparse: expected struct lockdep_map const *lock
include/linux/sched/signal.h:452:9: sparse: got struct lockdep_map [noderef] __rcu *
kernel/signal.c:1035:13: sparse: sparse: dereference of noderef expression
include/linux/sched/signal.h:442:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct lockdep_map const *lock @@ got struct lockdep_map [noderef] __rcu * @@
include/linux/sched/signal.h:442:9: sparse: expected struct lockdep_map const *lock
include/linux/sched/signal.h:442:9: sparse: got struct lockdep_map [noderef] __rcu *
include/linux/sched/signal.h:442:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct lockdep_map const *lock @@ got struct lockdep_map [noderef] __rcu * @@
include/linux/sched/signal.h:442:9: sparse: expected struct lockdep_map const *lock
include/linux/sched/signal.h:442:9: sparse: got struct lockdep_map [noderef] __rcu *
kernel/signal.c: note: in included file:
include/linux/signalfd.h:21:13: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct wait_queue_head *wq_head @@ got struct wait_queue_head [noderef] __rcu * @@
include/linux/signalfd.h:21:13: sparse: expected struct wait_queue_head *wq_head
include/linux/signalfd.h:21:13: sparse: got struct wait_queue_head [noderef] __rcu *
include/linux/signalfd.h:22:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct wait_queue_head *wq_head @@ got struct wait_queue_head [noderef] __rcu * @@
include/linux/signalfd.h:22:17: sparse: expected struct wait_queue_head *wq_head
include/linux/signalfd.h:22:17: sparse: got struct wait_queue_head [noderef] __rcu *
kernel/signal.c: note: in included file (through include/linux/sched/cputime.h):
include/linux/sched/signal.h:744:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
include/linux/sched/signal.h:744:37: sparse: expected struct spinlock [usertype] *lock
include/linux/sched/signal.h:744:37: sparse: got struct spinlock [noderef] __rcu *
kernel/signal.c:1302:9: sparse: sparse: context imbalance in 'do_send_sig_info' - different lock contexts for basic block
include/linux/sched/signal.h:442:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct lockdep_map const *lock @@ got struct lockdep_map [noderef] __rcu * @@
include/linux/sched/signal.h:442:9: sparse: expected struct lockdep_map const *lock
include/linux/sched/signal.h:442:9: sparse: got struct lockdep_map [noderef] __rcu *
kernel/signal.c: note: in included file (through include/linux/rbtree.h, include/linux/mm_types.h, include/linux/mmzone.h, ...):
include/linux/rcupdate.h:723:9: sparse: sparse: context imbalance in '__lock_task_sighand' - different lock contexts for basic block
kernel/signal.c: note: in included file (through include/linux/sched/cputime.h):
include/linux/sched/signal.h:744:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
include/linux/sched/signal.h:744:37: sparse: expected struct spinlock [usertype] *lock
include/linux/sched/signal.h:744:37: sparse: got struct spinlock [noderef] __rcu *
kernel/signal.c: note: in included file:
include/linux/signalfd.h:21:13: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct wait_queue_head *wq_head @@ got struct wait_queue_head [noderef] __rcu * @@
include/linux/signalfd.h:21:13: sparse: expected struct wait_queue_head *wq_head
include/linux/signalfd.h:21:13: sparse: got struct wait_queue_head [noderef] __rcu *
include/linux/signalfd.h:22:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct wait_queue_head *wq_head @@ got struct wait_queue_head [noderef] __rcu * @@
include/linux/signalfd.h:22:17: sparse: expected struct wait_queue_head *wq_head
include/linux/signalfd.h:22:17: sparse: got struct wait_queue_head [noderef] __rcu *
kernel/signal.c: note: in included file (through include/linux/sched/cputime.h):
include/linux/sched/signal.h:744:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
include/linux/sched/signal.h:744:37: sparse: expected struct spinlock [usertype] *lock
include/linux/sched/signal.h:744:37: sparse: got struct spinlock [noderef] __rcu *
kernel/signal.c: note: in included file (through include/linux/rbtree.h, include/linux/mm_types.h, include/linux/mmzone.h, ...):
include/linux/rcupdate.h:725:9: sparse: sparse: context imbalance in 'send_sigqueue' - wrong count at exit
kernel/signal.c:2060:40: sparse: sparse: dereference of noderef expression
kernel/signal.c:2060:40: sparse: sparse: dereference of noderef expression
kernel/signal.c:2060:40: sparse: sparse: dereference of noderef expression
kernel/signal.c:2060:40: sparse: sparse: dereference of noderef expression
kernel/signal.c: note: in included file (through include/uapi/asm-generic/bpf_perf_event.h, arch/x86/include/generated/uapi/asm/bpf_perf_event.h, ...):
include/linux/ptrace.h:99:40: 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:99:40: sparse: expected struct task_struct *p1
include/linux/ptrace.h:99:40: sparse: got struct task_struct [noderef] __rcu *real_parent
include/linux/ptrace.h:99:60: 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:99:60: sparse: expected struct task_struct *p2
include/linux/ptrace.h:99:60: sparse: got struct task_struct [noderef] __rcu *parent
kernel/signal.c: note: in included file (through include/linux/sched/cputime.h):
include/linux/sched/signal.h:442:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct lockdep_map const *lock @@ got struct lockdep_map [noderef] __rcu * @@
include/linux/sched/signal.h:442:9: sparse: expected struct lockdep_map const *lock
include/linux/sched/signal.h:442:9: sparse: got struct lockdep_map [noderef] __rcu *
kernel/signal.c:2393:13: sparse: sparse: context imbalance in 'do_signal_stop' - different lock contexts for basic block
kernel/signal.c:2600:49: sparse: sparse: dereference of noderef expression
kernel/signal.c:2600:49: sparse: sparse: dereference of noderef expression
kernel/signal.c:2600:49: sparse: sparse: dereference of noderef expression
kernel/signal.c:2600:49: sparse: sparse: dereference of noderef expression
kernel/signal.c: note: in included file (through include/uapi/asm-generic/bpf_perf_event.h, arch/x86/include/generated/uapi/asm/bpf_perf_event.h, ...):
include/linux/ptrace.h:99:40: 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:99:40: sparse: expected struct task_struct *p1
include/linux/ptrace.h:99:40: sparse: got struct task_struct [noderef] __rcu *real_parent
include/linux/ptrace.h:99:60: 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:99:60: sparse: expected struct task_struct *p2
include/linux/ptrace.h:99:60: sparse: got struct task_struct [noderef] __rcu *parent
kernel/signal.c:2720:33: sparse: sparse: context imbalance in 'get_signal' - unexpected unlock
kernel/signal.c: note: in included file (through include/linux/sched/cputime.h):
include/linux/sched/signal.h:442:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct lockdep_map const *lock @@ got struct lockdep_map [noderef] __rcu * @@
include/linux/sched/signal.h:442:9: sparse: expected struct lockdep_map const *lock
include/linux/sched/signal.h:442:9: sparse: got struct lockdep_map [noderef] __rcu *
kernel/signal.c:4074:33: sparse: sparse: dereference of noderef expression
kernel/signal.c:4163:31: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/signal.c:4163:31: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:4163:31: sparse: got struct spinlock [noderef] __rcu *
kernel/signal.c:4169:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/signal.c:4169:33: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:4169:33: sparse: got struct spinlock [noderef] __rcu *

vim +452 include/linux/sched/signal.h

449
450 static inline void ptrace_signal_wake_up(struct task_struct *t, bool resume)
451 {
> 452 lockdep_assert_held(&t->sighand->siglock);
453
454 if (resume)
455 t->jobctl &= ~JOBCTL_TRACED;
456
457 signal_wake_up_state(t, resume ? __TASK_TRACED : 0);
458 }
459

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