================================================================== BUG: KCSAN: assert: race in __block_task kernel/sched/sched.h:2773 [inline] BUG: KCSAN: assert: race in dequeue_entities+0x6df/0x760 kernel/sched/fair.c:7180 race at unknown origin, with assert no writes to 0xffff88811065e368 of 4 bytes by task 16 on cpu 0: __block_task kernel/sched/sched.h:2773 [inline] dequeue_entities+0x6df/0x760 kernel/sched/fair.c:7180 pick_next_entity kernel/sched/fair.c:5627 [inline] pick_task_fair kernel/sched/fair.c:8859 [inline] pick_next_task_fair+0x7d/0x410 kernel/sched/fair.c:8879 __pick_next_task kernel/sched/core.c:5968 [inline] pick_next_task kernel/sched/core.c:6490 [inline] __schedule+0x284/0x940 kernel/sched/core.c:6644 __schedule_loop kernel/sched/core.c:6767 [inline] schedule+0x55/0xc0 kernel/sched/core.c:6782 schedule_timeout+0xca/0x2c0 kernel/time/timer.c:2615 rcu_gp_fqs_loop+0x29f/0xbd0 kernel/rcu/tree.c:2045 rcu_gp_kthread+0x28/0x250 kernel/rcu/tree.c:2247 kthread+0x1d1/0x210 kernel/kthread.c:389 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 value changed: 0x00000000 -> 0x00000001 Reported by Kernel Concurrency Sanitizer on: CPU: 0 UID: 0 PID: 16 Comm: rcu_preempt Not tainted 6.12.0-rc5-syzkaller-00063-g0fc810ae3ae1 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 ==================================================================