================================================================== BUG: KCSAN: data-race in __mod_timer / expire_timers write to 0xffff88813bd1b908 of 8 bytes by interrupt on cpu 1: expire_timers+0x164/0x260 kernel/time/timer.c:1472 __run_timers+0x358/0x3f0 kernel/time/timer.c:1745 run_timer_softirq+0x19/0x30 kernel/time/timer.c:1758 __do_softirq+0x13c/0x2c3 kernel/softirq.c:345 invoke_softirq kernel/softirq.c:221 [inline] __irq_exit_rcu+0xb4/0xc0 kernel/softirq.c:422 sysvec_apic_timer_interrupt+0x6e/0x80 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:632 smap_restore arch/x86/include/asm/smap.h:70 [inline] kcsan_setup_watchpoint+0x436/0x470 kernel/kcsan/core.c:590 tomoyo_check_path_acl+0x4f/0xe0 security/tomoyo/file.c:260 tomoyo_check_acl+0xcc/0x220 security/tomoyo/domain.c:175 tomoyo_path_permission security/tomoyo/file.c:586 [inline] tomoyo_check_open_permission+0x17f/0x370 security/tomoyo/file.c:777 tomoyo_file_open+0xd3/0xf0 security/tomoyo/tomoyo.c:313 security_file_open+0x3f/0x90 security/security.c:1589 do_dentry_open+0x22d/0x890 fs/open.c:813 vfs_open+0x43/0x50 fs/open.c:940 do_open fs/namei.c:3365 [inline] path_openat+0x1982/0x21b0 fs/namei.c:3498 do_filp_open+0xbd/0x1d0 fs/namei.c:3525 do_sys_openat2+0xa3/0x250 fs/open.c:1187 do_sys_open fs/open.c:1203 [inline] __do_sys_openat fs/open.c:1219 [inline] __se_sys_openat fs/open.c:1214 [inline] __x64_sys_openat+0xef/0x110 fs/open.c:1214 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xae read to 0xffff88813bd1b908 of 8 bytes by task 4821 on cpu 0: __mod_timer+0x44e/0xc10 kernel/time/timer.c:1035 mod_timer+0x1b/0x20 kernel/time/timer.c:1106 rh_queue_status drivers/usb/core/hcd.c:829 [inline] rh_urb_enqueue drivers/usb/core/hcd.c:839 [inline] usb_hcd_submit_urb+0xa10/0x1390 drivers/usb/core/hcd.c:1544 usb_submit_urb+0xb7f/0xb90 drivers/usb/core/urb.c:585 hub_activate+0xdb3/0x1190 drivers/usb/core/hub.c:1266 hub_resume+0x43/0x1f0 drivers/usb/core/hub.c:3808 usb_resume_interface drivers/usb/core/driver.c:1362 [inline] usb_resume_both+0x3e9/0x610 drivers/usb/core/driver.c:1522 usb_runtime_resume+0x1d/0x20 drivers/usb/core/driver.c:1979 __rpm_callback+0x2c6/0x5a0 drivers/base/power/runtime.c:354 rpm_callback drivers/base/power/runtime.c:484 [inline] rpm_resume+0x9c4/0xf40 drivers/base/power/runtime.c:846 __pm_runtime_resume+0xd5/0xf0 drivers/base/power/runtime.c:1077 pm_runtime_get_sync include/linux/pm_runtime.h:386 [inline] usb_autoresume_device+0x20/0x60 drivers/usb/core/driver.c:1709 usb_remote_wakeup+0x42/0x90 drivers/usb/core/hub.c:3646 hcd_resume_work+0x21/0x30 drivers/usb/core/hcd.c:2245 process_one_work+0x3e1/0x950 kernel/workqueue.c:2275 worker_thread+0x616/0xa70 kernel/workqueue.c:2421 kthread+0x20b/0x230 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 4821 Comm: kworker/0:3 Not tainted 5.12.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: pm hcd_resume_work ==================================================================