From: kernel test robot <lkp@intel.com>
To: Tejun Heo <tj@kernel.org>
Cc: oe-kbuild-all@lists.linux.dev
Subject: [tj-sched-ext:scx-hier-prototype 9/14] kernel/exit.c:965:24: error: passing argument 1 of 'sched_ext_exit' from incompatible pointer type
Date: Thu, 4 Sep 2025 02:28:33 +0800 [thread overview]
Message-ID: <202509040232.DiSHLs6x-lkp@intel.com> (raw)
[community] /zdci/src/lkp/sbin/sync-produce --item /zdci/kbuild/indicators/9c/9c899613efcfc4e07c3b6a57e45ad3f95e637bdb-first_error_kconfig --flag create-dir
tree: https://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext.git scx-hier-prototype
head: 7443f4ccb9e360cd50e991db81d27e3514f1be65
commit: 9c899613efcfc4e07c3b6a57e45ad3f95e637bdb [9/14] sched_ext: Keep dying tasks on a separate list
config: csky-randconfig-001-20250904 (https://download.01.org/0day-ci/archive/20250904/202509040232.DiSHLs6x-lkp@intel.com/config)
compiler: csky-linux-gcc (GCC) 15.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250904/202509040232.DiSHLs6x-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202509040232.DiSHLs6x-lkp@intel.com/
All error/warnings (new ones prefixed by >>):
In file included from include/linux/sched.h:88,
from arch/csky/kernel/asm-offsets.c:4:
>> include/linux/sched/ext.h:214:42: warning: 'struct task_sturct' declared inside parameter list will not be visible outside of this definition or declaration
214 | static inline void sched_ext_exit(struct task_sturct *p) {}
| ^~~~~~~~~~~
--
In file included from include/linux/sched.h:88,
from include/linux/percpu.h:12,
from include/linux/percpu_counter.h:14,
from include/linux/mm_types.h:21,
from include/linux/mmzone.h:22,
from include/linux/gfp.h:7,
from include/linux/mm.h:7,
from kernel/exit.c:8:
>> include/linux/sched/ext.h:214:42: warning: 'struct task_sturct' declared inside parameter list will not be visible outside of this definition or declaration
214 | static inline void sched_ext_exit(struct task_sturct *p) {}
| ^~~~~~~~~~~
kernel/exit.c: In function 'do_exit':
>> kernel/exit.c:965:24: error: passing argument 1 of 'sched_ext_exit' from incompatible pointer type [-Wincompatible-pointer-types]
965 | sched_ext_exit(tsk);
| ^~~
| |
| struct task_struct *
include/linux/sched/ext.h:214:55: note: expected 'struct task_sturct *' but argument is of type 'struct task_struct *'
214 | static inline void sched_ext_exit(struct task_sturct *p) {}
| ~~~~~~~~~~~~~~~~~~~~^
--
In file included from include/linux/sched.h:88,
from include/linux/percpu.h:12,
from include/linux/percpu_counter.h:14,
from include/linux/mm_types.h:21,
from include/linux/mmzone.h:22,
from include/linux/gfp.h:7,
from include/linux/umh.h:4,
from include/linux/kmod.h:9,
from include/linux/module.h:18,
from drivers/input/joystick/a3d.c:11:
>> include/linux/sched/ext.h:214:42: warning: 'struct task_sturct' declared inside parameter list will not be visible outside of this definition or declaration
214 | static inline void sched_ext_exit(struct task_sturct *p) {}
| ^~~~~~~~~~~
drivers/input/joystick/a3d.c: In function 'a3d_connect':
drivers/input/joystick/a3d.c:287:51: warning: '/input0' directive output may be truncated writing 7 bytes into a region of size between 1 and 32 [-Wformat-truncation=]
287 | snprintf(a3d->phys, sizeof(a3d->phys), "%s/input0", gameport->phys);
| ^~~~~~~
drivers/input/joystick/a3d.c:287:9: note: 'snprintf' output between 8 and 39 bytes into a destination of size 32
287 | snprintf(a3d->phys, sizeof(a3d->phys), "%s/input0", gameport->phys);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
--
In file included from include/linux/sched.h:88,
from include/linux/delay.h:13,
from drivers/input/joystick/tmdc.c:13:
>> include/linux/sched/ext.h:214:42: warning: 'struct task_sturct' declared inside parameter list will not be visible outside of this definition or declaration
214 | static inline void sched_ext_exit(struct task_sturct *p) {}
| ^~~~~~~~~~~
drivers/input/joystick/tmdc.c: In function 'tmdc_setup_port':
drivers/input/joystick/tmdc.c:297:53: warning: '/input' directive output may be truncated writing 6 bytes into a region of size between 1 and 32 [-Wformat-truncation=]
297 | snprintf(port->phys, sizeof(port->phys), "%s/input%d", tmdc->gameport->phys, i);
| ^~~~~~
drivers/input/joystick/tmdc.c:297:9: note: 'snprintf' output between 8 and 39 bytes into a destination of size 32
297 | snprintf(port->phys, sizeof(port->phys), "%s/input%d", tmdc->gameport->phys, i);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
--
In file included from include/linux/sched.h:88,
from include/linux/percpu.h:12,
from include/linux/percpu_counter.h:14,
from include/linux/mm_types.h:21,
from include/linux/mmzone.h:22,
from include/linux/gfp.h:7,
from include/linux/slab.h:16,
from drivers/input/joystick/spaceorb.c:14:
>> include/linux/sched/ext.h:214:42: warning: 'struct task_sturct' declared inside parameter list will not be visible outside of this definition or declaration
214 | static inline void sched_ext_exit(struct task_sturct *p) {}
| ^~~~~~~~~~~
drivers/input/joystick/spaceorb.c: In function 'spaceorb_connect':
drivers/input/joystick/spaceorb.c:156:61: warning: '/input0' directive output may be truncated writing 7 bytes into a region of size between 1 and 32 [-Wformat-truncation=]
156 | snprintf(spaceorb->phys, sizeof(spaceorb->phys), "%s/input0", serio->phys);
| ^~~~~~~
drivers/input/joystick/spaceorb.c:156:9: note: 'snprintf' output between 8 and 39 bytes into a destination of size 32
156 | snprintf(spaceorb->phys, sizeof(spaceorb->phys), "%s/input0", serio->phys);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
--
In file included from include/linux/sched.h:88,
from include/linux/percpu.h:12,
from include/linux/percpu_counter.h:14,
from include/linux/mm_types.h:21,
from include/linux/mmzone.h:22,
from include/linux/gfp.h:7,
from include/linux/umh.h:4,
from include/linux/kmod.h:9,
from include/linux/module.h:18,
from drivers/input/joystick/magellan.c:11:
>> include/linux/sched/ext.h:214:42: warning: 'struct task_sturct' declared inside parameter list will not be visible outside of this definition or declaration
214 | static inline void sched_ext_exit(struct task_sturct *p) {}
| ^~~~~~~~~~~
drivers/input/joystick/magellan.c: In function 'magellan_connect':
drivers/input/joystick/magellan.c:141:61: warning: '/input0' directive output may be truncated writing 7 bytes into a region of size between 1 and 32 [-Wformat-truncation=]
141 | snprintf(magellan->phys, sizeof(magellan->phys), "%s/input0", serio->phys);
| ^~~~~~~
drivers/input/joystick/magellan.c:141:9: note: 'snprintf' output between 8 and 39 bytes into a destination of size 32
141 | snprintf(magellan->phys, sizeof(magellan->phys), "%s/input0", serio->phys);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
--
In file included from include/linux/sched.h:88,
from include/linux/delay.h:13,
from drivers/input/joystick/sidewinder.c:10:
>> include/linux/sched/ext.h:214:42: warning: 'struct task_sturct' declared inside parameter list will not be visible outside of this definition or declaration
214 | static inline void sched_ext_exit(struct task_sturct *p) {}
| ^~~~~~~~~~~
drivers/input/joystick/sidewinder.c: In function 'sw_connect':
drivers/input/joystick/sidewinder.c:538:58: warning: '%s' directive output may be truncated writing up to 8 bytes into a region of size between 5 and 21 [-Wformat-truncation=]
538 | snprintf(comment, size, " [PnP %d.%02d id %s rev %s]",
| ^~
......
543 | pnp, rev);
| ~~~
In function 'sw_3dp_id',
inlined from 'sw_connect' at drivers/input/joystick/sidewinder.c:694:7:
drivers/input/joystick/sidewinder.c:538:9: note: 'snprintf' output between 21 and 45 bytes into a destination of size 40
538 | snprintf(comment, size, " [PnP %d.%02d id %s rev %s]",
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
539 | (int) ((sw_get_bits(buf, 8, 6, 1) << 6) | /* Two 6-bit values */
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
540 | sw_get_bits(buf, 16, 6, 1)) / 100,
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
541 | (int) ((sw_get_bits(buf, 8, 6, 1) << 6) |
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
542 | sw_get_bits(buf, 16, 6, 1)) % 100,
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
543 | pnp, rev);
| ~~~~~~~~~
drivers/input/joystick/sidewinder.c: In function 'sw_connect':
drivers/input/joystick/sidewinder.c:727:29: warning: '/input' directive output may be truncated writing 6 bytes into a region of size between 1 and 32 [-Wformat-truncation=]
727 | "%s/input%d", gameport->phys, i);
| ^~~~~~
drivers/input/joystick/sidewinder.c:727:26: note: directive argument in the range [0, 4]
727 | "%s/input%d", gameport->phys, i);
| ^~~~~~~~~~~~
drivers/input/joystick/sidewinder.c:726:17: note: 'snprintf' output between 8 and 39 bytes into a destination of size 32
726 | snprintf(sw->phys[i], sizeof(sw->phys[i]),
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
727 | "%s/input%d", gameport->phys, i);
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
--
In file included from include/linux/sched.h:88,
from include/linux/percpu.h:12,
from include/linux/percpu_counter.h:14,
from include/linux/mm_types.h:21,
from include/linux/mmzone.h:22,
from include/linux/gfp.h:7,
from include/linux/umh.h:4,
from include/linux/kmod.h:9,
from include/linux/module.h:18,
from drivers/input/joystick/stinger.c:12:
>> include/linux/sched/ext.h:214:42: warning: 'struct task_sturct' declared inside parameter list will not be visible outside of this definition or declaration
214 | static inline void sched_ext_exit(struct task_sturct *p) {}
| ^~~~~~~~~~~
drivers/input/joystick/stinger.c: In function 'stinger_connect':
drivers/input/joystick/stinger.c:127:59: warning: '/serio0' directive output may be truncated writing 7 bytes into a region of size between 1 and 32 [-Wformat-truncation=]
127 | snprintf(stinger->phys, sizeof(stinger->phys), "%s/serio0", serio->phys);
| ^~~~~~~
drivers/input/joystick/stinger.c:127:9: note: 'snprintf' output between 8 and 39 bytes into a destination of size 32
127 | snprintf(stinger->phys, sizeof(stinger->phys), "%s/serio0", serio->phys);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
--
In file included from include/linux/sched.h:88,
from include/linux/percpu.h:12,
from include/linux/bpf.h:12,
from kernel/bpf/helpers.c:4:
>> include/linux/sched/ext.h:214:42: warning: 'struct task_sturct' declared inside parameter list will not be visible outside of this definition or declaration
214 | static inline void sched_ext_exit(struct task_sturct *p) {}
| ^~~~~~~~~~~
kernel/bpf/helpers.c: In function '____bpf_snprintf':
kernel/bpf/helpers.c:1069:9: warning: function '____bpf_snprintf' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format]
1069 | err = bstr_printf(str, str_size, fmt, data.bin_args);
| ^~~
--
In file included from include/linux/sched.h:88,
from include/linux/percpu.h:12,
from include/linux/bpf.h:12,
from kernel/bpf/stream.c:4:
>> include/linux/sched/ext.h:214:42: warning: 'struct task_sturct' declared inside parameter list will not be visible outside of this definition or declaration
214 | static inline void sched_ext_exit(struct task_sturct *p) {}
| ^~~~~~~~~~~
kernel/bpf/stream.c: In function 'bpf_stream_vprintk':
kernel/bpf/stream.c:383:9: warning: function 'bpf_stream_vprintk' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format]
383 | ret = bstr_printf(data.buf, MAX_BPRINTF_BUF, fmt__str, data.bin_args);
| ^~~
--
In file included from include/linux/sched.h:88,
from include/linux/percpu.h:12,
from include/linux/percpu_counter.h:14,
from include/linux/mm_types.h:21,
from include/linux/mmzone.h:22,
from include/linux/gfp.h:7,
from include/linux/umh.h:4,
from include/linux/kmod.h:9,
from include/linux/module.h:18,
from magellan.c:11:
>> include/linux/sched/ext.h:214:42: warning: 'struct task_sturct' declared inside parameter list will not be visible outside of this definition or declaration
214 | static inline void sched_ext_exit(struct task_sturct *p) {}
| ^~~~~~~~~~~
magellan.c: In function 'magellan_connect':
magellan.c:141:61: warning: '/input0' directive output may be truncated writing 7 bytes into a region of size between 1 and 32 [-Wformat-truncation=]
141 | snprintf(magellan->phys, sizeof(magellan->phys), "%s/input0", serio->phys);
| ^~~~~~~
magellan.c:141:9: note: 'snprintf' output between 8 and 39 bytes into a destination of size 32
141 | snprintf(magellan->phys, sizeof(magellan->phys), "%s/input0", serio->phys);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
..
vim +/sched_ext_exit +965 kernel/exit.c
891
892 void __noreturn do_exit(long code)
893 {
894 struct task_struct *tsk = current;
895 int group_dead;
896
897 WARN_ON(irqs_disabled());
898 WARN_ON(tsk->plug);
899
900 kcov_task_exit(tsk);
901 kmsan_task_exit(tsk);
902
903 synchronize_group_exit(tsk, code);
904 ptrace_event(PTRACE_EVENT_EXIT, code);
905 user_events_exit(tsk);
906
907 io_uring_files_cancel();
908 exit_signals(tsk); /* sets PF_EXITING */
909
910 seccomp_filter_release(tsk);
911
912 acct_update_integrals(tsk);
913 group_dead = atomic_dec_and_test(&tsk->signal->live);
914 if (group_dead) {
915 /*
916 * If the last thread of global init has exited, panic
917 * immediately to get a useable coredump.
918 */
919 if (unlikely(is_global_init(tsk)))
920 panic("Attempted to kill init! exitcode=0x%08x\n",
921 tsk->signal->group_exit_code ?: (int)code);
922
923 #ifdef CONFIG_POSIX_TIMERS
924 hrtimer_cancel(&tsk->signal->real_timer);
925 exit_itimers(tsk);
926 #endif
927 if (tsk->mm)
928 setmax_mm_hiwater_rss(&tsk->signal->maxrss, tsk->mm);
929 }
930 acct_collect(code, group_dead);
931 if (group_dead)
932 tty_audit_exit();
933 audit_free(tsk);
934
935 tsk->exit_code = code;
936 taskstats_exit(tsk, group_dead);
937 unwind_deferred_task_exit(tsk);
938 trace_sched_process_exit(tsk, group_dead);
939
940 /*
941 * Since sampling can touch ->mm, make sure to stop everything before we
942 * tear it down.
943 *
944 * Also flushes inherited counters to the parent - before the parent
945 * gets woken up by child-exit notifications.
946 */
947 perf_event_exit_task(tsk);
948
949 exit_mm();
950
951 if (group_dead)
952 acct_process();
953
954 exit_sem(tsk);
955 exit_shm(tsk);
956 exit_files(tsk);
957 exit_fs(tsk);
958 if (group_dead)
959 disassociate_ctty(1);
960 exit_task_namespaces(tsk);
961 exit_task_work(tsk);
962 exit_thread(tsk);
963
964 sched_autogroup_exit_task(tsk);
> 965 sched_ext_exit(tsk);
966 cgroup_exit(tsk);
967
968 /*
969 * FIXME: do that only when needed, using sched_exit tracepoint
970 */
971 flush_ptrace_hw_breakpoint(tsk);
972
973 exit_tasks_rcu_start();
974 exit_notify(tsk, group_dead);
975 proc_exit_connector(tsk);
976 mpol_put_task_policy(tsk);
977 #ifdef CONFIG_FUTEX
978 if (unlikely(current->pi_state_cache))
979 kfree(current->pi_state_cache);
980 #endif
981 /*
982 * Make sure we are holding no locks:
983 */
984 debug_check_no_locks_held();
985
986 if (tsk->io_context)
987 exit_io_context(tsk);
988
989 if (tsk->splice_pipe)
990 free_pipe_info(tsk->splice_pipe);
991
992 if (tsk->task_frag.page)
993 put_page(tsk->task_frag.page);
994
995 exit_task_stack_account(tsk);
996
997 check_stack_usage();
998 preempt_disable();
999 if (tsk->nr_dirtied)
1000 __this_cpu_add(dirty_throttle_leaks, tsk->nr_dirtied);
1001 exit_rcu();
1002 exit_tasks_rcu_finish();
1003
1004 lockdep_free_task(tsk);
1005 do_task_dead();
1006 }
1007
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
reply other threads:[~2025-09-03 18:28 UTC|newest]
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