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BUG: KCSAN: data-race in perf_event_set_state / perf_event_update_time

write to 0xffff8881547fb308 of 8 bytes by task 3163 on cpu 0:
 perf_event_update_time kernel/events/core.c:640 [inline]
 perf_event_set_state+0x1a1/0x3f0 kernel/events/core.c:659
 event_sched_out+0x3fe/0x5d0 kernel/events/core.c:2263
 group_sched_out kernel/events/core.c:2285 [inline]
 __pmu_ctx_sched_out+0x384/0x4a0 kernel/events/core.c:3230
 ctx_sched_out+0x23f/0x290 kernel/events/core.c:3294
 task_ctx_sched_out kernel/events/core.c:2631 [inline]
 perf_event_context_sched_out kernel/events/core.c:3533 [inline]
 __perf_event_task_sched_out+0x3f4/0xe50 kernel/events/core.c:3632
 perf_event_task_sched_out include/linux/perf_event.h:1464 [inline]
 prepare_task_switch kernel/sched/core.c:5183 [inline]
 context_switch kernel/sched/core.c:5326 [inline]
 __schedule+0x8b3/0x8c0 kernel/sched/core.c:6710
 schedule+0x51/0x80 kernel/sched/core.c:6786
 schedule_preempt_disabled+0x10/0x20 kernel/sched/core.c:6845
 rwsem_down_write_slowpath+0x39d/0x8d0 kernel/locking/rwsem.c:1178
 __down_write_common kernel/locking/rwsem.c:1306 [inline]
 __down_write_killable kernel/locking/rwsem.c:1320 [inline]
 down_write_killable+0x4d/0x90 kernel/locking/rwsem.c:1586
 mmap_write_lock_killable include/linux/mmap_lock.h:110 [inline]
 vm_mmap_pgoff+0xd6/0x240 mm/util.c:541
 ksys_mmap_pgoff+0x2b8/0x330 mm/mmap.c:1419
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

read to 0xffff8881547fb308 of 8 bytes by task 3164 on cpu 1:
 __perf_update_times kernel/events/core.c:631 [inline]
 perf_event_update_time+0x15c/0x1b0 kernel/events/core.c:640
 perf_mmap+0xa36/0xca0 kernel/events/core.c:6545
 call_mmap include/linux/fs.h:1876 [inline]
 mmap_region+0x901/0x14c0 mm/mmap.c:2759
 do_mmap+0x69c/0xaa0 mm/mmap.c:1373
 vm_mmap_pgoff+0x12f/0x240 mm/util.c:543
 ksys_mmap_pgoff+0x2b8/0x330 mm/mmap.c:1419
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

value changed: 0x000000000004c2e1 -> 0x000000000004e6b9

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 3164 Comm: syz-executor.4 Not tainted 6.4.0-syzkaller-09775-gd85a143b69ab #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
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