Date:   Mon, 17 Jan 2022 08:06:54 +0800
From:   kernel test robot <lkp@...el.com>
To:     Ingo Molnar <mingo@...nel.org>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org
Subject: [mingo-tip:sched/headers 195/2384] init/main.c:947:34: error: no
 member named 'scoped_addresses' in 'struct kcsan_ctx'; did you mean
 'scoped_accesses'?

tree:   git://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git sched/headers
head:   4c707c1c0de83967079b4e385012fa5b00e2cd11
commit: 358c0016c619cb96065fc10b25be736053481392 [195/2384] headers/deps: kcsan: Move task_struct::kcsan_ctx to per_task()
config: x86_64-randconfig-c007 (https://download.01.org/0day-ci/archive/20220117/202201170819.f8ENBRJK-lkp@intel.com/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project c63a3175c2947e8c1a2d3bbe16a8586600705c54)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git/commit/?id=358c0016c619cb96065fc10b25be736053481392
        git remote add mingo-tip git://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git
        git fetch --no-tags mingo-tip sched/headers
        git checkout 358c0016c619cb96065fc10b25be736053481392
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 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@...el.com>

All errors (new ones prefixed by >>):

   init/main.c:790:20: warning: no previous prototype for function 'mem_encrypt_init' [-Wmissing-prototypes]
   void __init __weak mem_encrypt_init(void) { }
                      ^
   init/main.c:790:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   void __init __weak mem_encrypt_init(void) { }
   ^
   static 
>> init/main.c:947:34: error: no member named 'scoped_addresses' in 'struct kcsan_ctx'; did you mean 'scoped_accesses'?
           per_task(&init_task, kcsan_ctx).scoped_addresses.next = LIST_POISON1;
                                           ^~~~~~~~~~~~~~~~
                                           scoped_accesses
   include/linux/kcsan.h:55:19: note: 'scoped_accesses' declared here
           struct list_head scoped_accesses;
                            ^
   init/main.c:891:13: warning: no previous prototype for function 'init_per_task_early' [-Wmissing-prototypes]
   void __init init_per_task_early(void)
               ^
   init/main.c:891:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   void __init init_per_task_early(void)
   ^
   static 
   2 warnings and 1 error generated.


vim +947 init/main.c

   890	
   891	void __init init_per_task_early(void)
   892	{
   893	#ifdef CONFIG_POSIX_TIMERS
   894		per_task(&init_task, posix_cputimers) = (struct posix_cputimers) __INIT_CPU_TIMERS(init_task);
   895	#endif
   896		task_thread(&init_task) = (struct thread_struct) INIT_THREAD;
   897	
   898		INIT_LIST_HEAD(&per_task(&init_task, rt).run_list);
   899		per_task(&init_task, rt).time_slice = RR_TIMESLICE;
   900	
   901		INIT_LIST_HEAD(&per_task(&init_task, se).group_node);
   902	
   903		per_task(&init_task, stack) = init_stack;
   904	
   905		refcount_set(&per_task(&init_task, usage), 2);
   906	#ifdef CONFIG_THREAD_INFO_IN_TASK
   907		refcount_set(&per_task(&init_task, stack_refcount), 1);
   908	#endif
   909	#ifdef CONFIG_CGROUP_SCHED
   910		per_task(&init_task, sched_task_group) = &root_task_group;
   911	#endif
   912	#ifdef CONFIG_TASKS_RCU
   913		per_task(&init_task, rcu_tasks_idle_cpu) = -1;
   914		INIT_LIST_HEAD(&per_task(&init_task, rcu_tasks_holdout_list));
   915	#endif
   916	#ifdef CONFIG_CPUSETS
   917		per_task(&init_task, mems_allowed_seq) = (seqcount_spinlock_t) SEQCNT_SPINLOCK_ZERO(init_task.mems_allowed_seq,
   918							 &per_task(&init_task, alloc_lock));
   919	#endif
   920		per_task(&init_task, restart_block).fn = do_no_restart_syscall;
   921	#ifdef CONFIG_VIRT_CPU_ACCOUNTING_GEN
   922		seqcount_init(&per_task(&init_task, vtime).seqcount);
   923		per_task(&init_task, vtime).state = VTIME_SYS;
   924	#endif
   925	#ifdef CONFIG_PERF_EVENTS
   926		mutex_init(&per_task(&init_task, perf_event_mutex));
   927		INIT_LIST_HEAD(&per_task(&init_task, perf_event_list));
   928	#endif
   929	#ifdef CONFIG_SMP
   930		plist_node_init(&per_task(&init_task, pushable_tasks), MAX_PRIO);
   931	#endif
   932	#ifdef CONFIG_AUDIT
   933		per_task(&init_task, loginuid) = INVALID_UID;
   934	#endif
   935		per_task(&init_task, cpus_mask) = CPU_MASK_ALL;
   936		per_task(&init_task, cpus_ptr) = &per_task(&init_task, cpus_mask);
   937		INIT_LIST_HEAD(&per_task(&init_task, pending).list);
   938	#ifdef CONFIG_RT_MUTEXES
   939		per_task(&init_task, pi_waiters) = RB_ROOT_CACHED;
   940	#endif
   941	#ifndef CONFIG_VIRT_CPU_ACCOUNTING_NATIVE
   942		raw_spin_lock_init(&per_task(&init_task, prev_cputime).lock);
   943	#endif
   944		spin_lock_init(&per_task(&init_task, alloc_lock));
   945		raw_spin_lock_init(&per_task(&init_task, pi_lock));
   946	#ifdef CONFIG_KCSAN
 > 947		per_task(&init_task, kcsan_ctx).scoped_addresses.next = LIST_POISON1;
   948	#endif
   949	}
   950	

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

Powered by blists - more mailing lists