kernel/sched/core.c:11335:2: warning: releasing raw_spinlock 'rq_lockp(rq)' that was not held

[kernel test robot <lkp@intel.com>]

tree:   https://github.com/intel-lab-lkp/linux/commits/Shrikanth-Hegde/sched-debug-Remove-unused-schedstats/20260618-031604
head:   bcb0c494e4af36dd6306a5a1839a0c03046053af
commit: bec9f392fa50016e604cfacae7445d9c36729f49 sched/core: Push current task from non preferred CPU
date:   12 hours ago
config: x86_64-kexec (https://download.01.org/0day-ci/archive/20260618/202606180950.swwWuXxx-lkp@intel.com/config)
compiler: clang version 22.1.8 (https://github.com/llvm/llvm-project ca7933e47d3a3451d81e72ac174dcb5aa28b59d1)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260618/202606180950.swwWuXxx-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/202606180950.swwWuXxx-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> kernel/sched/core.c:11335:2: warning: releasing raw_spinlock 'rq_lockp(rq)' that was not held [-Wthread-safety-analysis]
    11335 |         rq_unlock(rq, &rf);
          |         ^
>> kernel/sched/core.c:11340:1: warning: raw_spinlock 'rq_lockp(__this_rq())' is not held on every path through here [-Wthread-safety-analysis]
    11340 | }
          | ^
   kernel/sched/core.c:11325:2: note: raw_spinlock acquired here
    11325 |         rq_lock(rq, &rf);
          |         ^
   2 warnings generated.


vim +11335 kernel/sched/core.c

 11312	
 11313	static int sched_non_preferred_cpu_push_stop(void *arg)
 11314	{
 11315		struct task_struct *p = arg;
 11316		struct rq *rq = this_rq();
 11317		struct rq_flags rf;
 11318		int cpu;
 11319	
 11320		/* sanity check */
 11321		if (cpu_preferred(rq->cpu))
 11322			return 0;
 11323	
 11324		raw_spin_lock_irq(&p->pi_lock);
 11325		rq_lock(rq, &rf);
 11326		rq->push_task_work_done = 0;
 11327	
 11328		update_rq_clock(rq);
 11329	
 11330		if (task_rq(p) == rq && task_on_rq_queued(p)) {
 11331			cpu = select_fallback_rq(rq->cpu, p);
 11332			rq = __migrate_task(rq, &rf, p, cpu);
 11333		}
 11334	
 11335		rq_unlock(rq, &rf);
 11336		raw_spin_unlock_irq(&p->pi_lock);
 11337		put_task_struct(p);
 11338	
 11339		return 0;
 11340	}
 11341	

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