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BUG: KCSAN: data-race in __synchronize_hardirq / handle_irq_event

write to 0xffff88812bc94600 of 4 bytes by interrupt on cpu 1:
 irqd_clear kernel/irq/internals.h:225 [inline]
 handle_irq_event+0xa7/0xbe kernel/irq/handle.c:216
 handle_edge_irq+0x170/0x460 kernel/irq/chip.c:830
 generic_handle_irq_desc include/linux/irqdesc.h:156 [inline]
 do_IRQ+0x76/0x120 arch/x86/kernel/irq.c:250
 ret_from_intr+0x0/0x21
 __read_once_size include/linux/compiler.h:232 [inline]
 arch_atomic64_read arch/x86/include/asm/atomic64_64.h:22 [inline]
 atomic64_read include/asm-generic/atomic-instrumented.h:838 [inline]
 atomic_long_read include/asm-generic/atomic-long.h:29 [inline]
 find_watchpoint kernel/kcsan/core.c:118 [inline]
 check_access kernel/kcsan/core.c:566 [inline]
 __tsan_read8+0x30/0x110 kernel/kcsan/core.c:770
 tomoyo_check_acl+0x1aa/0x280 security/tomoyo/domain.c:171
 tomoyo_path_permission security/tomoyo/file.c:586 [inline]
 tomoyo_path_permission+0xda/0x150 security/tomoyo/file.c:573
 tomoyo_path_perm+0x215/0x350 security/tomoyo/file.c:838
 tomoyo_inode_getattr+0x23/0x40 security/tomoyo/tomoyo.c:129
 security_inode_getattr+0x97/0xc0 security/security.c:1273
 vfs_getattr+0x2c/0x70 fs/stat.c:117
 vfs_statx+0x104/0x190 fs/stat.c:201
 vfs_lstat include/linux/fs.h:3284 [inline]
 __do_sys_newlstat+0x50/0xb0 fs/stat.c:364
 __se_sys_newlstat fs/stat.c:358 [inline]
 __x64_sys_newlstat+0x37/0x50 fs/stat.c:358
 do_syscall_64+0xc7/0x3b0 arch/x86/entry/common.c:295
 entry_SYSCALL_64_after_hwframe+0x44/0xa9

read to 0xffff88812bc94600 of 4 bytes by task 15341 on cpu 0:
 irqd_irq_inprogress include/linux/irq.h:341 [inline]
 __synchronize_hardirq+0x62/0x1e0 kernel/irq/manage.c:51
 synchronize_irq+0x4a/0x120 kernel/irq/manage.c:132
 serial8250_do_shutdown+0xb3/0x3b0 drivers/tty/serial/8250/8250_port.c:2440
 serial8250_shutdown+0x49/0x60 drivers/tty/serial/8250/8250_port.c:2486
 uart_port_shutdown+0x6b/0x90 drivers/tty/serial/serial_core.c:1706
 uart_tty_port_shutdown+0x7b/0x160 drivers/tty/serial/serial_core.c:1578
 tty_port_shutdown+0x13f/0x160 drivers/tty/tty_port.c:330
 tty_port_close drivers/tty/tty_port.c:636 [inline]
 tty_port_close+0x79/0xe0 drivers/tty/tty_port.c:631
 uart_close+0x55/0x110 drivers/tty/serial/serial_core.c:1559
 tty_release+0x281/0x8e0 drivers/tty/tty_io.c:1679
 __fput+0x1e9/0x500 fs/file_table.c:280
 ____fput+0x1b/0x30 fs/file_table.c:313
 task_work_run+0xba/0x120 kernel/task_work.c:123
 tracehook_notify_resume include/linux/tracehook.h:188 [inline]
 exit_to_usermode_loop+0x2ae/0x2c0 arch/x86/entry/common.c:165
 prepare_exit_to_usermode arch/x86/entry/common.c:196 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:279 [inline]
 do_syscall_64+0x38b/0x3b0 arch/x86/entry/common.c:305
 entry_SYSCALL_64_after_hwframe+0x44/0xa9

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 15341 Comm: syz-executor.3 Not tainted 5.7.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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