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Subjectinclude/linux/sched/signal.h:681:37: sparse: sparse: incorrect type in argument 1 (different address spaces)
tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 63849c8f410717eb2e6662f3953ff674727303e7
commit: 913292c97d750fe4188b4f5aa770e5e0ca1e5a91 sched.h: Annotate sighand_struct with __rcu
date: 6 weeks ago
reproduce:
# apt-get install sparse
# sparse version: v0.6.1-174-g094d5a94-dirty
git checkout 913292c97d750fe4188b4f5aa770e5e0ca1e5a91
make ARCH=x86_64 allmodconfig
make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'

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


sparse warnings: (new ones prefixed by >>)

kernel/ptrace.c:53:22: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/ptrace.c:53:22: sparse: struct task_struct *
kernel/ptrace.c:53:22: sparse: struct task_struct [noderef] <asn:4> *
kernel/ptrace.c:72:23: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct [noderef] <asn:4> *parent @@ got [noderef] <asn:4> *parent @@
kernel/ptrace.c:72:23: sparse: expected struct task_struct [noderef] <asn:4> *parent
kernel/ptrace.c:72:23: sparse: got struct task_struct *new_parent
kernel/ptrace.c:73:29: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct cred const [noderef] <asn:4> *ptracer_cred @@ got [noderef] <asn:4> *ptracer_cred @@
kernel/ptrace.c:73:29: sparse: expected struct cred const [noderef] <asn:4> *ptracer_cred
kernel/ptrace.c:73:29: sparse: got struct cred const *
kernel/ptrace.c:127:18: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct cred const *old_cred @@ got struct cred const struct cred const *old_cred @@
kernel/ptrace.c:127:18: sparse: expected struct cred const *old_cred
kernel/ptrace.c:127:18: sparse: got struct cred const [noderef] <asn:4> *ptracer_cred
kernel/ptrace.c:131:25: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct struct spinlock [usertype] *lock @@
kernel/ptrace.c:131:25: sparse: expected struct spinlock [usertype] *lock
kernel/ptrace.c:131:25: sparse: got struct spinlock [noderef] <asn:4> *
kernel/ptrace.c:169:27: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct struct spinlock [usertype] *lock @@
kernel/ptrace.c:169:27: sparse: expected struct spinlock [usertype] *lock
kernel/ptrace.c:169:27: sparse: got struct spinlock [noderef] <asn:4> *
kernel/ptrace.c:181:28: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct struct spinlock [usertype] *lock @@
kernel/ptrace.c:181:28: sparse: expected struct spinlock [usertype] *lock
kernel/ptrace.c:181:28: sparse: got struct spinlock [noderef] <asn:4> *
kernel/ptrace.c:186:30: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct struct spinlock [usertype] *lock @@
kernel/ptrace.c:186:30: sparse: expected struct spinlock [usertype] *lock
kernel/ptrace.c:186:30: sparse: got struct spinlock [noderef] <asn:4> *
kernel/ptrace.c:196:9: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/ptrace.c:196:9: sparse: struct task_struct [noderef] <asn:4> *
kernel/ptrace.c:196:9: sparse: struct task_struct *
kernel/ptrace.c:241:44: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/ptrace.c:241:44: sparse: struct task_struct [noderef] <asn:4> *
kernel/ptrace.c:241:44: sparse: struct task_struct *
kernel/ptrace.c:416:24: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct struct spinlock [usertype] *lock @@
kernel/ptrace.c:416:24: sparse: expected struct spinlock [usertype] *lock
kernel/ptrace.c:416:24: sparse: got struct spinlock [noderef] <asn:4> *
kernel/ptrace.c:439:26: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct struct spinlock [usertype] *lock @@
kernel/ptrace.c:439:26: sparse: expected struct spinlock [usertype] *lock
kernel/ptrace.c:439:26: sparse: got struct spinlock [noderef] <asn:4> *
kernel/ptrace.c:475:54: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *parent @@ got struct task_structstruct task_struct *parent @@
kernel/ptrace.c:475:54: sparse: expected struct task_struct *parent
kernel/ptrace.c:475:54: sparse: got struct task_struct [noderef] <asn:4> *parent
kernel/ptrace.c:483:53: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct task_struct *new_parent @@ got struct task_structstruct task_struct *new_parent @@
kernel/ptrace.c:483:53: sparse: expected struct task_struct *new_parent
kernel/ptrace.c:483:53: sparse: got struct task_struct [noderef] <asn:4> *real_parent
kernel/ptrace.c:531:41: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p1 @@ got struct task_structstruct task_struct *p1 @@
kernel/ptrace.c:531:41: sparse: expected struct task_struct *p1
kernel/ptrace.c:531:41: sparse: got struct task_struct [noderef] <asn:4> *real_parent
kernel/ptrace.c:533:50: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct sighand_struct *sigh @@ got struct sighand_strstruct sighand_struct *sigh @@
kernel/ptrace.c:533:50: sparse: expected struct sighand_struct *sigh
kernel/ptrace.c:533:50: sparse: got struct sighand_struct [noderef] <asn:4> *sighand
kernel/ptrace.c:735:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct struct spinlock [usertype] *lock @@
kernel/ptrace.c:735:37: sparse: expected struct spinlock [usertype] *lock
kernel/ptrace.c:735:37: sparse: got struct spinlock [noderef] <asn:4> *
kernel/ptrace.c:743:39: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct struct spinlock [usertype] *lock @@
kernel/ptrace.c:743:39: sparse: expected struct spinlock [usertype] *lock
kernel/ptrace.c:743:39: sparse: got struct spinlock [noderef] <asn:4> *
kernel/ptrace.c:848:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct struct spinlock [usertype] *lock @@
kernel/ptrace.c:848:37: sparse: expected struct spinlock [usertype] *lock
kernel/ptrace.c:848:37: sparse: got struct spinlock [noderef] <asn:4> *
kernel/ptrace.c:852:39: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct struct spinlock [usertype] *lock @@
kernel/ptrace.c:852:39: sparse: expected struct spinlock [usertype] *lock
kernel/ptrace.c:852:39: sparse: got struct spinlock [noderef] <asn:4> *
kernel/ptrace.c:1082:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct struct spinlock [usertype] *lock @@
kernel/ptrace.c:1082:37: sparse: expected struct spinlock [usertype] *lock
kernel/ptrace.c:1082:37: sparse: got struct spinlock [noderef] <asn:4> *
kernel/ptrace.c:1084:39: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct struct spinlock [usertype] *lock @@
kernel/ptrace.c:1084:39: sparse: expected struct spinlock [usertype] *lock
kernel/ptrace.c:1084:39: sparse: got struct spinlock [noderef] <asn:4> *
kernel/ptrace.c:481:38: sparse: sparse: dereference of noderef expression
>> include/linux/sched/signal.h:681:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct struct spinlock [usertype] *lock @@
include/linux/sched/signal.h:681:37: sparse: expected struct spinlock [usertype] *lock
include/linux/sched/signal.h:681:37: sparse: got struct spinlock [noderef] <asn:4> *
kernel/ptrace.c:682:9: sparse: sparse: context imbalance in 'ptrace_getsiginfo' - different lock contexts for basic block
>> include/linux/sched/signal.h:681:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct struct spinlock [usertype] *lock @@
include/linux/sched/signal.h:681:37: sparse: expected struct spinlock [usertype] *lock
include/linux/sched/signal.h:681:37: sparse: got struct spinlock [noderef] <asn:4> *
kernel/ptrace.c:698:9: sparse: sparse: context imbalance in 'ptrace_setsiginfo' - different lock contexts for basic block
kernel/ptrace.c:854:9: sparse: sparse: context imbalance in 'ptrace_resume' - different lock contexts for basic block
>> include/linux/sched/signal.h:681:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct struct spinlock [usertype] *lock @@
include/linux/sched/signal.h:681:37: sparse: expected struct spinlock [usertype] *lock
include/linux/sched/signal.h:681:37: sparse: got struct spinlock [noderef] <asn:4> *
>> include/linux/sched/signal.h:681:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct struct spinlock [usertype] *lock @@
include/linux/sched/signal.h:681:37: sparse: expected struct spinlock [usertype] *lock
include/linux/sched/signal.h:681:37: sparse: got struct spinlock [noderef] <asn:4> *
--
kernel/signal.c:2058:17: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sighand_struct *sighand @@ got struct sighand_strstruct sighand_struct *sighand @@
kernel/signal.c:2058:17: sparse: expected struct sighand_struct *sighand
kernel/signal.c:2058:17: sparse: got struct sighand_struct [noderef] <asn:4> *sighand
kernel/signal.c:2133:41: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct struct spinlock [usertype] *lock @@
kernel/signal.c:2133:41: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:2133:41: sparse: got struct spinlock [noderef] <asn:4> *
kernel/signal.c:2135:39: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct struct spinlock [usertype] *lock @@
kernel/signal.c:2135:39: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:2135:39: sparse: got struct spinlock [noderef] <asn:4> *
kernel/signal.c:2183:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct struct spinlock [usertype] *lock @@
kernel/signal.c:2183:33: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:2183:33: sparse: got struct spinlock [noderef] <asn:4> *
kernel/signal.c:2238:31: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct struct spinlock [usertype] *lock @@
kernel/signal.c:2238:31: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:2238:31: sparse: got struct spinlock [noderef] <asn:4> *
kernel/signal.c:2272:31: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct struct spinlock [usertype] *lock @@
kernel/signal.c:2272:31: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:2272:31: sparse: got struct spinlock [noderef] <asn:4> *
kernel/signal.c:2274:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct struct spinlock [usertype] *lock @@
kernel/signal.c:2274:33: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:2274:33: sparse: got struct spinlock [noderef] <asn:4> *
kernel/signal.c:2371:41: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct struct spinlock [usertype] *lock @@
kernel/signal.c:2371:41: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:2371:41: sparse: got struct spinlock [noderef] <asn:4> *
kernel/signal.c:2456:41: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct struct spinlock [usertype] *lock @@
kernel/signal.c:2456:41: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:2456:41: sparse: got struct spinlock [noderef] <asn:4> *
kernel/signal.c:2468:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct struct spinlock [usertype] *lock @@
kernel/signal.c:2468:33: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:2468:33: sparse: got struct spinlock [noderef] <asn:4> *
kernel/signal.c:2506:52: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *tsk @@ got struct task_structstruct task_struct *tsk @@
kernel/signal.c:2506:52: sparse: expected struct task_struct *tsk
kernel/signal.c:2506:52: sparse: got struct task_struct [noderef] <asn:4> *parent
kernel/signal.c:2508:49: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile *p @@ got struct cred const [noderef] <asn:4>void const volatile *p @@
kernel/signal.c:2508:49: sparse: expected void const volatile *p
kernel/signal.c:2508:49: sparse: got struct cred const [noderef] <asn:4> *[noderef] <asn:4> *
kernel/signal.c:2508:49: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile *p @@ got struct cred const [noderef] <asn:4>void const volatile *p @@
kernel/signal.c:2508:49: sparse: expected void const volatile *p
kernel/signal.c:2508:49: sparse: got struct cred const [noderef] <asn:4> *[noderef] <asn:4> *
kernel/signal.c:2523:49: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct sighand_struct *sighand @@ got struct sighand_strstruct sighand_struct *sighand @@
kernel/signal.c:2523:49: sparse: expected struct sighand_struct *sighand
kernel/signal.c:2523:49: sparse: got struct sighand_struct [noderef] <asn:4> *sighand
kernel/signal.c:2827:27: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct struct spinlock [usertype] *lock @@
kernel/signal.c:2827:27: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:2827:27: sparse: got struct spinlock [noderef] <asn:4> *
kernel/signal.c:2847:29: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct struct spinlock [usertype] *lock @@
kernel/signal.c:2847:29: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:2847:29: sparse: got struct spinlock [noderef] <asn:4> *
kernel/signal.c:2914:27: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct struct spinlock [usertype] *lock @@
kernel/signal.c:2914:27: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:2914:27: sparse: got struct spinlock [noderef] <asn:4> *
kernel/signal.c:2916:29: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct struct spinlock [usertype] *lock @@
kernel/signal.c:2916:29: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:2916:29: sparse: got struct spinlock [noderef] <asn:4> *
kernel/signal.c:3067:31: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct struct spinlock [usertype] *lock @@
kernel/signal.c:3067:31: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:3067:31: sparse: got struct spinlock [noderef] <asn:4> *
kernel/signal.c:3070:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct struct spinlock [usertype] *lock @@
kernel/signal.c:3070:33: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:3070:33: sparse: got struct spinlock [noderef] <asn:4> *
kernel/signal.c:3453:27: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct struct spinlock [usertype] *lock @@
kernel/signal.c:3453:27: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:3453:27: sparse: got struct spinlock [noderef] <asn:4> *
kernel/signal.c:3465:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct struct spinlock [usertype] *lock @@
kernel/signal.c:3465:37: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:3465:37: sparse: got struct spinlock [noderef] <asn:4> *
kernel/signal.c:3470:35: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct struct spinlock [usertype] *lock @@
kernel/signal.c:3470:35: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:3470:35: sparse: got struct spinlock [noderef] <asn:4> *
kernel/signal.c:3475:29: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct struct spinlock [usertype] *lock @@
kernel/signal.c:3475:29: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:3475:29: sparse: got struct spinlock [noderef] <asn:4> *
kernel/signal.c:3676:46: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct siginfo const [noderef] [usertype] <asn:1> *from @@ got deref] [usertype] <asn:1> *from @@
kernel/signal.c:3676:46: sparse: expected struct siginfo const [noderef] [usertype] <asn:1> *from
kernel/signal.c:3676:46: sparse: got struct siginfo [usertype] *info
kernel/signal.c:3928:31: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct struct spinlock [usertype] *lock @@
kernel/signal.c:3928:31: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:3928:31: sparse: got struct spinlock [noderef] <asn:4> *
kernel/signal.c:3940:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct struct spinlock [usertype] *lock @@
kernel/signal.c:3940:33: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:3940:33: sparse: got struct spinlock [noderef] <asn:4> *
kernel/signal.c:3958:11: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct k_sigaction *k @@ got struct k_sigactionstruct k_sigaction *k @@
kernel/signal.c:3958:11: sparse: expected struct k_sigaction *k
kernel/signal.c:3958:11: sparse: got struct k_sigaction [noderef] <asn:4> *
kernel/signal.c:3960:25: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct struct spinlock [usertype] *lock @@
kernel/signal.c:3960:25: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:3960:25: sparse: got struct spinlock [noderef] <asn:4> *
kernel/signal.c:3990:27: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct struct spinlock [usertype] *lock @@
kernel/signal.c:3990:27: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:3990:27: sparse: got struct spinlock [noderef] <asn:4> *
kernel/signal.c:69:34: sparse: sparse: dereference of noderef expression
kernel/signal.c:523:35: sparse: sparse: dereference of noderef expression
kernel/signal.c:551:52: sparse: sparse: dereference of noderef expression
kernel/signal.c:1025:13: sparse: sparse: dereference of noderef expression
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_struct wait_queue_head *wq_head @@
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] <asn:4> *
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_struct wait_queue_head *wq_head @@
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] <asn:4> *
>> include/linux/sched/signal.h:681:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct struct spinlock [usertype] *lock @@
include/linux/sched/signal.h:681:37: sparse: expected struct spinlock [usertype] *lock
include/linux/sched/signal.h:681:37: sparse: got struct spinlock [noderef] <asn:4> *
kernel/signal.c:1289:9: sparse: sparse: context imbalance in 'do_send_sig_info' - different lock contexts for basic block
include/linux/rcupdate.h:669:9: sparse: sparse: context imbalance in '__lock_task_sighand' - different lock contexts for basic block
>> include/linux/sched/signal.h:681:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct struct spinlock [usertype] *lock @@
include/linux/sched/signal.h:681:37: sparse: expected struct spinlock [usertype] *lock
include/linux/sched/signal.h:681:37: sparse: got struct spinlock [noderef] <asn:4> *
kernel/signal.c:1645:35: sparse: sparse: dereference of noderef expression
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_struct wait_queue_head *wq_head @@
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] <asn:4> *
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_struct wait_queue_head *wq_head @@
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] <asn:4> *
>> include/linux/sched/signal.h:681:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct struct spinlock [usertype] *lock @@
include/linux/sched/signal.h:681:37: sparse: expected struct spinlock [usertype] *lock
include/linux/sched/signal.h:681:37: sparse: got struct spinlock [noderef] <asn:4> *
include/linux/rcupdate.h:667:9: sparse: sparse: context imbalance in 'send_sigqueue' - wrong count at exit
kernel/signal.c:1929:47: sparse: sparse: dereference of noderef expression
kernel/signal.c:1949:40: sparse: sparse: dereference of noderef expression
kernel/signal.c:1949:40: sparse: sparse: dereference of noderef expression
kernel/signal.c:1949:40: sparse: sparse: dereference of noderef expression
kernel/signal.c:1949:40: sparse: sparse: dereference of noderef expression
kernel/signal.c:2088:13: sparse: sparse: dereference of noderef expression
include/linux/ptrace.h:99:40: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p1 @@ got struct task_structstruct task_struct *p1 @@
include/linux/ptrace.h:99:40: sparse: expected struct task_struct *p1
include/linux/ptrace.h:99:40: sparse: got struct task_struct [noderef] <asn:4> *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_structstruct task_struct *p2 @@
include/linux/ptrace.h:99:60: sparse: expected struct task_struct *p2
include/linux/ptrace.h:99:60: sparse: got struct task_struct [noderef] <asn:4> *parent
kernel/signal.c:2299:13: sparse: sparse: context imbalance in 'do_signal_stop' - different lock contexts for basic block
kernel/signal.c:2508:49: sparse: sparse: dereference of noderef expression
kernel/signal.c:2508:49: sparse: sparse: dereference of noderef expression
kernel/signal.c:2508:49: sparse: sparse: dereference of noderef expression
kernel/signal.c:2508:49: sparse: sparse: dereference of noderef expression
include/linux/ptrace.h:99:40: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p1 @@ got struct task_structstruct task_struct *p1 @@
include/linux/ptrace.h:99:40: sparse: expected struct task_struct *p1
include/linux/ptrace.h:99:40: sparse: got struct task_struct [noderef] <asn:4> *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_structstruct task_struct *p2 @@
include/linux/ptrace.h:99:60: sparse: expected struct task_struct *p2
include/linux/ptrace.h:99:60: sparse: got struct task_struct [noderef] <asn:4> *parent
kernel/signal.c:2591:69: sparse: sparse: context imbalance in 'get_signal' - unexpected unlock
kernel/signal.c:3736:58: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct siginfo [usertype] *info @@ got struct siginfo [nostruct siginfo [usertype] *info @@
kernel/signal.c:3736:58: sparse: expected struct siginfo [usertype] *info
kernel/signal.c:3736:58: sparse: got struct siginfo [noderef] [usertype] <asn:1> *info
kernel/signal.c:3929:33: sparse: sparse: dereference of noderef expression
--
kernel/sys.c:1864:19: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct file [noderef] <asn:4> *__ret @@ got file [noderef] <asn:4> *__ret @@
kernel/sys.c:1864:19: sparse: expected struct file [noderef] <asn:4> *__ret
kernel/sys.c:1864:19: sparse: got struct file *[assigned] file
kernel/sys.c:1864:17: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct file *old_exe @@ got struct file [noderef] <asn:4>struct file *old_exe @@
kernel/sys.c:1864:17: sparse: expected struct file *old_exe
kernel/sys.c:1864:17: sparse: got struct file [noderef] <asn:4> *[assigned] __ret
kernel/sys.c:1035:32: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p1 @@ got struct task_structstruct task_struct *p1 @@
kernel/sys.c:1035:32: sparse: expected struct task_struct *p1
kernel/sys.c:1035:32: sparse: got struct task_struct [noderef] <asn:4> *real_parent
>> include/linux/sched/signal.h:681:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct struct spinlock [usertype] *lock @@
include/linux/sched/signal.h:681:37: sparse: expected struct spinlock [usertype] *lock
include/linux/sched/signal.h:681:37: sparse: got struct spinlock [noderef] <asn:4> *
--
>> include/linux/sched/signal.h:681:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct struct spinlock [usertype] *lock @@
include/linux/sched/signal.h:681:37: sparse: expected struct spinlock [usertype] *lock
include/linux/sched/signal.h:681:37: sparse: got struct spinlock [noderef] <asn:4> *
--
kernel/time/posix-cpu-timers.c:42:28: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct struct spinlock [usertype] *lock @@
kernel/time/posix-cpu-timers.c:42:28: sparse: expected struct spinlock [usertype] *lock
kernel/time/posix-cpu-timers.c:42:28: sparse: got struct spinlock [noderef] <asn:4> *
kernel/time/posix-cpu-timers.c:44:30: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct struct spinlock [usertype] *lock @@
kernel/time/posix-cpu-timers.c:44:30: sparse: expected struct spinlock [usertype] *lock
kernel/time/posix-cpu-timers.c:44:30: sparse: got struct spinlock [noderef] <asn:4> *
>> include/linux/sched/signal.h:681:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct struct spinlock [usertype] *lock @@
include/linux/sched/signal.h:681:37: sparse: expected struct spinlock [usertype] *lock
include/linux/sched/signal.h:681:37: sparse: got struct spinlock [noderef] <asn:4> *
>> include/linux/sched/signal.h:681:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct struct spinlock [usertype] *lock @@
include/linux/sched/signal.h:681:37: sparse: expected struct spinlock [usertype] *lock
include/linux/sched/signal.h:681:37: sparse: got struct spinlock [noderef] <asn:4> *
>> include/linux/sched/signal.h:681:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct struct spinlock [usertype] *lock @@
include/linux/sched/signal.h:681:37: sparse: expected struct spinlock [usertype] *lock
include/linux/sched/signal.h:681:37: sparse: got struct spinlock [noderef] <asn:4> *
>> include/linux/sched/signal.h:681:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct struct spinlock [usertype] *lock @@
include/linux/sched/signal.h:681:37: sparse: expected struct spinlock [usertype] *lock
include/linux/sched/signal.h:681:37: sparse: got struct spinlock [noderef] <asn:4> *
>> include/linux/sched/signal.h:681:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct struct spinlock [usertype] *lock @@
include/linux/sched/signal.h:681:37: sparse: expected struct spinlock [usertype] *lock
include/linux/sched/signal.h:681:37: sparse: got struct spinlock [noderef] <asn:4> *
>> include/linux/sched/signal.h:681:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct struct spinlock [usertype] *lock @@
include/linux/sched/signal.h:681:37: sparse: expected struct spinlock [usertype] *lock
include/linux/sched/signal.h:681:37: sparse: got struct spinlock [noderef] <asn:4> *

vim +681 include/linux/sched/signal.h

c3edc4010e9d10 Ingo Molnar 2017-02-02 677
9e9291c71eb92b Andrei Vagin 2019-05-14 678 static inline void unlock_task_sighand(struct task_struct *task,
c3edc4010e9d10 Ingo Molnar 2017-02-02 679 unsigned long *flags)
c3edc4010e9d10 Ingo Molnar 2017-02-02 680 {
9e9291c71eb92b Andrei Vagin 2019-05-14 @681 spin_unlock_irqrestore(&task->sighand->siglock, *flags);
c3edc4010e9d10 Ingo Molnar 2017-02-02 682 }
c3edc4010e9d10 Ingo Molnar 2017-02-02 683

:::::: The code at line 681 was first introduced by commit
:::::: 9e9291c71eb92b457eb798501e210dec3d12e795 include/linux/sched/signal.h: replace `tsk' with `task'

:::::: TO: Andrei Vagin <avagin@gmail.com>
:::::: CC: Linus Torvalds <torvalds@linux-foundation.org>

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

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