================================================================== BUG: KCSAN: data-race in __synchronize_hardirq / handle_irq_event write to 0xffff88812bca0600 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 tomoyo_domain_quota_is_ok+0xb4/0x2b0 security/tomoyo/util.c:1032 tomoyo_supervisor+0x1d9/0xc90 security/tomoyo/common.c:2089 tomoyo_audit_path_log security/tomoyo/file.c:168 [inline] tomoyo_path_permission security/tomoyo/file.c:587 [inline] tomoyo_path_permission+0x118/0x150 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_fd+0x74/0xc0 fs/stat.c:147 vfs_fstat include/linux/fs.h:3295 [inline] __do_sys_newfstat+0x46/0xa0 fs/stat.c:388 __se_sys_newfstat fs/stat.c:385 [inline] __x64_sys_newfstat+0x37/0x50 fs/stat.c:385 do_syscall_64+0xc7/0x3b0 arch/x86/entry/common.c:295 entry_SYSCALL_64_after_hwframe+0x44/0xa9 read to 0xffff88812bca0600 of 4 bytes by task 31413 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_shutdown+0x148/0x320 drivers/tty/serial/serial_core.c:300 uart_do_autoconfig drivers/tty/serial/serial_core.c:1150 [inline] uart_ioctl+0x4e7/0xa41 drivers/tty/serial/serial_core.c:1398 tty_ioctl+0x8de/0xd80 drivers/tty/tty_io.c:2656 vfs_ioctl fs/ioctl.c:47 [inline] ksys_ioctl+0x101/0x150 fs/ioctl.c:763 __do_sys_ioctl fs/ioctl.c:772 [inline] __se_sys_ioctl fs/ioctl.c:770 [inline] __x64_sys_ioctl+0x47/0x60 fs/ioctl.c:770 do_syscall_64+0xc7/0x3b0 arch/x86/entry/common.c:295 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 31413 Comm: syz-executor.2 Not tainted 5.7.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================