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BUG: KCSAN: data-race in fasync_remove_entry / kill_fasync

write to 0xffff88810be9e178 of 8 bytes by task 8363 on cpu 1:
 fasync_remove_entry+0xd2/0x130 fs/fcntl.c:909
 fasync_helper+0x96/0xc0 fs/fcntl.c:1008
 perf_fasync+0x64/0x90 kernel/events/core.c:6705
 __fput+0x68e/0x6f0 fs/file_table.c:419
 ____fput+0x15/0x20 fs/file_table.c:450
 task_work_run+0x13a/0x1a0 kernel/task_work.c:222
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0xbe/0x130 kernel/entry/common.c:218
 do_syscall_64+0xd6/0x1c0 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

read to 0xffff88810be9e178 of 8 bytes by interrupt on cpu 0:
 kill_fasync+0x24/0x150 fs/fcntl.c:1047
 perf_event_wakeup kernel/events/core.c:6737 [inline]
 perf_pending_irq+0x1ed/0x260 kernel/events/core.c:6843
 irq_work_single kernel/irq_work.c:221 [inline]
 irq_work_run_list kernel/irq_work.c:252 [inline]
 irq_work_run+0xdf/0x2c0 kernel/irq_work.c:261
 __sysvec_irq_work+0x23/0x1a0 arch/x86/kernel/irq_work.c:22
 instr_sysvec_irq_work arch/x86/kernel/irq_work.c:17 [inline]
 sysvec_irq_work+0x66/0x80 arch/x86/kernel/irq_work.c:17
 asm_sysvec_irq_work+0x1a/0x20 arch/x86/include/asm/idtentry.h:738
 __preempt_count_dec_and_test arch/x86/include/asm/preempt.h:94 [inline]
 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
 _raw_spin_unlock_irqrestore+0x3d/0x60 kernel/locking/spinlock.c:194
 class_raw_spinlock_irqsave_destructor include/linux/spinlock.h:551 [inline]
 try_to_wake_up+0x3e5/0x630 kernel/sched/core.c:4051
 wake_up_process kernel/sched/core.c:4299 [inline]
 wake_up_q+0x3f/0x80 kernel/sched/core.c:1029
 futex_wake+0x2d2/0x330 kernel/futex/waitwake.c:199
 do_futex+0x2ab/0x370 kernel/futex/syscalls.c:107
 __do_sys_futex kernel/futex/syscalls.c:179 [inline]
 __se_sys_futex+0x25d/0x3a0 kernel/futex/syscalls.c:160
 __x64_sys_futex+0x78/0x90 kernel/futex/syscalls.c:160
 x64_sys_call+0x126a/0x2e00 arch/x86/include/generated/asm/syscalls_64.h:203
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

value changed: 0xffff88812ed7e2d0 -> 0x0000000000000000

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 8364 Comm: syz.2.1552 Not tainted 6.10.0-syzkaller-09061-g4305ca0087dd #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
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