lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [day] [month] [year] [list]
Message-ID: <202410262340.HYNIIi1E-lkp@intel.com>
Date: Sat, 26 Oct 2024 23:41:19 +0800
From: kernel test robot <lkp@...el.com>
To: Tejun Heo <tj@...nel.org>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
	David Vernet <dvernet@...a.com>, Josh Don <joshdon@...gle.com>
Subject: kernel/sched/ext.c:2399:56: sparse: sparse: incorrect type in
 initializer (different address spaces)

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   850925a8133c73c4a2453c360b2c3beb3bab67c9
commit: 7b0888b7cc1924b74ce660e02f6211df8dd46e7b sched_ext: Implement core-sched support
date:   4 months ago
config: s390-randconfig-r112-20241026 (https://download.01.org/0day-ci/archive/20241026/202410262340.HYNIIi1E-lkp@intel.com/config)
compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 5886454669c3c9026f7f27eab13509dd0241f2d6)
reproduce: (https://download.01.org/0day-ci/archive/20241026/202410262340.HYNIIi1E-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202410262340.HYNIIi1E-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
   kernel/sched/build_policy.c: note: in included file:
   kernel/sched/rt.c:916:70: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/rt.c:916:70: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/rt.c:916:70: sparse:    struct task_struct *
   kernel/sched/rt.c:2364:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/rt.c:2364:25: sparse:    struct task_struct *
   kernel/sched/rt.c:2364:25: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/rt.c:1002:38: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected struct task_struct *curr @@     got struct task_struct [noderef] __rcu *curr @@
   kernel/sched/rt.c:1002:38: sparse:     expected struct task_struct *curr
   kernel/sched/rt.c:1002:38: sparse:     got struct task_struct [noderef] __rcu *curr
   kernel/sched/rt.c:1536:31: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected struct task_struct *p @@     got struct task_struct [noderef] __rcu *curr @@
   kernel/sched/rt.c:1536:31: sparse:     expected struct task_struct *p
   kernel/sched/rt.c:1536:31: sparse:     got struct task_struct [noderef] __rcu *curr
   kernel/sched/rt.c:1876:9: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected struct sched_domain *[assigned] sd @@     got struct sched_domain [noderef] __rcu *parent @@
   kernel/sched/rt.c:1876:9: sparse:     expected struct sched_domain *[assigned] sd
   kernel/sched/rt.c:1876:9: sparse:     got struct sched_domain [noderef] __rcu *parent
   kernel/sched/rt.c:1556:14: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected struct task_struct *curr @@     got struct task_struct [noderef] __rcu * @@
   kernel/sched/rt.c:1556:14: sparse:     expected struct task_struct *curr
   kernel/sched/rt.c:1556:14: sparse:     got struct task_struct [noderef] __rcu *
   kernel/sched/rt.c:1621:45: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected struct task_struct *p @@     got struct task_struct [noderef] __rcu *curr @@
   kernel/sched/rt.c:1621:45: sparse:     expected struct task_struct *p
   kernel/sched/rt.c:1621:45: sparse:     got struct task_struct [noderef] __rcu *curr
   kernel/sched/rt.c:1682:67: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct task_struct *tsk @@     got struct task_struct [noderef] __rcu *curr @@
   kernel/sched/rt.c:1682:67: sparse:     expected struct task_struct *tsk
   kernel/sched/rt.c:1682:67: sparse:     got struct task_struct [noderef] __rcu *curr
   kernel/sched/rt.c:2044:40: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct task_struct *task @@     got struct task_struct [noderef] __rcu *curr @@
   kernel/sched/rt.c:2044:40: sparse:     expected struct task_struct *task
   kernel/sched/rt.c:2044:40: sparse:     got struct task_struct [noderef] __rcu *curr
   kernel/sched/rt.c:2067:13: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/rt.c:2067:13: sparse:    struct task_struct *
   kernel/sched/rt.c:2067:13: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/rt.c:2417:54: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct task_struct *tsk @@     got struct task_struct [noderef] __rcu *curr @@
   kernel/sched/rt.c:2417:54: sparse:     expected struct task_struct *tsk
   kernel/sched/rt.c:2417:54: sparse:     got struct task_struct [noderef] __rcu *curr
   kernel/sched/rt.c:2419:40: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct task_struct *p @@     got struct task_struct [noderef] __rcu *curr @@
   kernel/sched/rt.c:2419:40: sparse:     expected struct task_struct *p
   kernel/sched/rt.c:2419:40: sparse:     got struct task_struct [noderef] __rcu *curr
   kernel/sched/rt.c:2419:61: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct task_struct *p @@     got struct task_struct [noderef] __rcu *curr @@
   kernel/sched/rt.c:2419:61: sparse:     expected struct task_struct *p
   kernel/sched/rt.c:2419:61: sparse:     got struct task_struct [noderef] __rcu *curr
   kernel/sched/build_policy.c: note: in included file:
   kernel/sched/deadline.c:2401:23: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct task_struct *p @@     got struct task_struct [noderef] __rcu *curr @@
   kernel/sched/deadline.c:2401:23: sparse:     expected struct task_struct *p
   kernel/sched/deadline.c:2401:23: sparse:     got struct task_struct [noderef] __rcu *curr
   kernel/sched/deadline.c:2411:13: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/deadline.c:2411:13: sparse:    struct task_struct *
   kernel/sched/deadline.c:2411:13: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/deadline.c:2519:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/deadline.c:2519:25: sparse:    struct task_struct *
   kernel/sched/deadline.c:2519:25: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/deadline.c:2026:42: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected struct sched_dl_entity const *b @@     got struct sched_dl_entity [noderef] __rcu * @@
   kernel/sched/deadline.c:2026:42: sparse:     expected struct sched_dl_entity const *b
   kernel/sched/deadline.c:2026:42: sparse:     got struct sched_dl_entity [noderef] __rcu *
   kernel/sched/deadline.c:2037:38: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct task_struct *tsk @@     got struct task_struct [noderef] __rcu *curr @@
   kernel/sched/deadline.c:2037:38: sparse:     expected struct task_struct *tsk
   kernel/sched/deadline.c:2037:38: sparse:     got struct task_struct [noderef] __rcu *curr
   kernel/sched/deadline.c:1220:23: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct task_struct *p @@     got struct task_struct [noderef] __rcu *curr @@
   kernel/sched/deadline.c:1220:23: sparse:     expected struct task_struct *p
   kernel/sched/deadline.c:1220:23: sparse:     got struct task_struct [noderef] __rcu *curr
   kernel/sched/deadline.c:1444:38: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected struct task_struct *curr @@     got struct task_struct [noderef] __rcu *curr @@
   kernel/sched/deadline.c:1444:38: sparse:     expected struct task_struct *curr
   kernel/sched/deadline.c:1444:38: sparse:     got struct task_struct [noderef] __rcu *curr
   kernel/sched/deadline.c:2262:9: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected struct sched_domain *[assigned] sd @@     got struct sched_domain [noderef] __rcu *parent @@
   kernel/sched/deadline.c:2262:9: sparse:     expected struct sched_domain *[assigned] sd
   kernel/sched/deadline.c:2262:9: sparse:     got struct sched_domain [noderef] __rcu *parent
   kernel/sched/deadline.c:1911:14: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected struct task_struct *curr @@     got struct task_struct [noderef] __rcu * @@
   kernel/sched/deadline.c:1911:14: sparse:     expected struct task_struct *curr
   kernel/sched/deadline.c:1911:14: sparse:     got struct task_struct [noderef] __rcu *
   kernel/sched/deadline.c:1987:43: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected struct task_struct *p @@     got struct task_struct [noderef] __rcu *curr @@
   kernel/sched/deadline.c:1987:43: sparse:     expected struct task_struct *p
   kernel/sched/deadline.c:1987:43: sparse:     got struct task_struct [noderef] __rcu *curr
   kernel/sched/deadline.c:2566:38: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct task_struct *tsk @@     got struct task_struct [noderef] __rcu *curr @@
   kernel/sched/deadline.c:2566:38: sparse:     expected struct task_struct *tsk
   kernel/sched/deadline.c:2566:38: sparse:     got struct task_struct [noderef] __rcu *curr
   kernel/sched/deadline.c:2568:23: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct task_struct *p @@     got struct task_struct [noderef] __rcu *curr @@
   kernel/sched/deadline.c:2568:23: sparse:     expected struct task_struct *p
   kernel/sched/deadline.c:2568:23: sparse:     got struct task_struct [noderef] __rcu *curr
   kernel/sched/deadline.c:2570:44: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected struct sched_dl_entity const *b @@     got struct sched_dl_entity [noderef] __rcu * @@
   kernel/sched/deadline.c:2570:44: sparse:     expected struct sched_dl_entity const *b
   kernel/sched/deadline.c:2570:44: sparse:     got struct sched_dl_entity [noderef] __rcu *
   kernel/sched/deadline.c:2745:22: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/deadline.c:2745:22: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/deadline.c:2745:22: sparse:    struct task_struct *
   kernel/sched/deadline.c:2794:32: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct task_struct *p @@     got struct task_struct [noderef] __rcu *curr @@
   kernel/sched/build_policy.c: note: in included file:
   kernel/sched/ext.c:772:25: sparse: sparse: symbol 'scx_has_op' was not declared. Should it be static?
   kernel/sched/ext.c:876:22: sparse: sparse: symbol 'scx_dump_data' was not declared. Should it be static?
   kernel/sched/ext.c:1334:38: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected struct task_struct *curr @@     got struct task_struct [noderef] __rcu *curr @@
   kernel/sched/ext.c:1406:56: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/ext.c:1406:56: sparse:    struct task_struct *
   kernel/sched/ext.c:1406:56: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/ext.c:1799:35: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected struct task_struct *p @@     got struct task_struct [noderef] __rcu *curr @@
   kernel/sched/ext.c:1799:35: sparse:     expected struct task_struct *p
   kernel/sched/ext.c:1799:35: sparse:     got struct task_struct [noderef] __rcu *curr
   kernel/sched/ext.c:1809:38: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected struct task_struct *from @@     got struct task_struct [noderef] __rcu *curr @@
   kernel/sched/ext.c:1809:38: sparse:     expected struct task_struct *from
   kernel/sched/ext.c:1809:38: sparse:     got struct task_struct [noderef] __rcu *curr
>> kernel/sched/ext.c:2399:56: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected struct task_struct *sprev @@     got struct task_struct [noderef] __rcu *curr @@
   kernel/sched/ext.c:2399:56: sparse:     expected struct task_struct *sprev
   kernel/sched/ext.c:2399:56: sparse:     got struct task_struct [noderef] __rcu *curr
   kernel/sched/ext.c:4206:52: sparse: sparse: incorrect type in argument 3 (different address spaces) @@     expected struct task_struct *p @@     got struct task_struct [noderef] __rcu *curr @@
   kernel/sched/ext.c:4206:52: sparse:     expected struct task_struct *p
   kernel/sched/ext.c:4206:52: sparse:     got struct task_struct [noderef] __rcu *curr
   kernel/sched/ext.c:4914:32: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct task_struct const *p @@     got struct task_struct [noderef] __rcu *curr @@
   kernel/sched/ext.c:4914:32: sparse:     expected struct task_struct const *p
   kernel/sched/ext.c:4914:32: sparse:     got struct task_struct [noderef] __rcu *curr
   kernel/sched/ext.c:5905:33: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/ext.c:5905:33: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/ext.c:5905:33: sparse:    struct task_struct const *
   kernel/sched/build_policy.c: note: in included file:
   kernel/sched/syscalls.c:206:22: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/syscalls.c:206:22: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/syscalls.c:206:22: sparse:    struct task_struct *
   kernel/sched/build_policy.c: note: in included file (through include/linux/smp.h, include/linux/sched/clock.h):
   include/linux/list.h:83:21: sparse: sparse: self-comparison always evaluates to true
   include/linux/list.h:83:21: sparse: sparse: self-comparison always evaluates to true
   kernel/sched/build_policy.c: note: in included file:
   kernel/sched/sched.h:2234:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/sched.h:2234:25: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/sched.h:2234:25: sparse:    struct task_struct *
   kernel/sched/sched.h:2234:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/sched.h:2234:25: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/sched.h:2234:25: sparse:    struct task_struct *
   kernel/sched/sched.h:2234:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/sched.h:2234:25: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/sched.h:2234:25: sparse:    struct task_struct *
   kernel/sched/sched.h:2234:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/sched.h:2234:25: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/sched.h:2234:25: sparse:    struct task_struct *
   kernel/sched/sched.h:2234:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/sched.h:2234:25: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/sched.h:2234:25: sparse:    struct task_struct *
   kernel/sched/sched.h:2234:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/sched.h:2234:25: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/sched.h:2234:25: sparse:    struct task_struct *
   kernel/sched/sched.h:2234:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/sched.h:2234:25: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/sched.h:2234:25: sparse:    struct task_struct *
   kernel/sched/sched.h:2234:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/sched.h:2234:25: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/sched.h:2234:25: sparse:    struct task_struct *
   kernel/sched/sched.h:2234:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/sched.h:2234:25: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/sched.h:2234:25: sparse:    struct task_struct *
   kernel/sched/sched.h:2234:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/sched.h:2234:25: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/sched.h:2234:25: sparse:    struct task_struct *
   kernel/sched/sched.h:2409:9: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/sched.h:2409:9: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/sched.h:2409:9: sparse:    struct task_struct *
   kernel/sched/sched.h:2234:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/sched.h:2234:25: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/sched.h:2234:25: sparse:    struct task_struct *
   kernel/sched/sched.h:2409:9: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/sched.h:2409:9: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/sched.h:2409:9: sparse:    struct task_struct *
   kernel/sched/build_policy.c: note: in included file:
   kernel/sched/syscalls.c:1426:6: sparse: sparse: context imbalance in 'sched_getaffinity' - different lock contexts for basic block
   kernel/sched/build_policy.c: note: in included file:
   kernel/sched/rt.c:1707:15: sparse: sparse: dereference of noderef expression

vim +2399 kernel/sched/ext.c

  2378	
  2379	static int balance_scx(struct rq *rq, struct task_struct *prev,
  2380			       struct rq_flags *rf)
  2381	{
  2382		int ret;
  2383	
  2384		ret = balance_one(rq, prev, rf, true);
  2385	
  2386	#ifdef CONFIG_SCHED_SMT
  2387		/*
  2388		 * When core-sched is enabled, this ops.balance() call will be followed
  2389		 * by put_prev_scx() and pick_task_scx() on this CPU and pick_task_scx()
  2390		 * on the SMT siblings. Balance the siblings too.
  2391		 */
  2392		if (sched_core_enabled(rq)) {
  2393			const struct cpumask *smt_mask = cpu_smt_mask(cpu_of(rq));
  2394			int scpu;
  2395	
  2396			for_each_cpu_andnot(scpu, smt_mask, cpumask_of(cpu_of(rq))) {
  2397				struct rq *srq = cpu_rq(scpu);
  2398				struct rq_flags srf;
> 2399				struct task_struct *sprev = srq->curr;
  2400	
  2401				/*
  2402				 * While core-scheduling, rq lock is shared among
  2403				 * siblings but the debug annotations and rq clock
  2404				 * aren't. Do pinning dance to transfer the ownership.
  2405				 */
  2406				WARN_ON_ONCE(__rq_lockp(rq) != __rq_lockp(srq));
  2407				rq_unpin_lock(rq, rf);
  2408				rq_pin_lock(srq, &srf);
  2409	
  2410				update_rq_clock(srq);
  2411				balance_one(srq, sprev, &srf, false);
  2412	
  2413				rq_unpin_lock(srq, &srf);
  2414				rq_repin_lock(rq, rf);
  2415			}
  2416		}
  2417	#endif
  2418		return ret;
  2419	}
  2420	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ