================================================================== BUG: KCSAN: data-race in __run_hrtimer kernel/time/hrtimer.c:1360 [inline] and hrtimer_active+0x84/0x1a0 BUG: KCSAN: data-race in __hrtimer_run_queues+0x1f2/0x600 kernel/time/hrtimer.c:1451 and hrtimer_active+0x84/0x1a0 read to 0xffff88812be1d818 of 8 bytes by interrupt on cpu 1: hrtimer_active+0x84/0x1a0 kernel/time/hrtimer.c:1321 entity_tick kernel/sched/fair.c:4301 [inline] task_tick_fair+0x4c/0x920 kernel/sched/fair.c:9977 scheduler_tick+0x5c/0xe0 kernel/sched/core.c:3471 update_process_times+0x5f/0x80 kernel/time/timer.c:1644 tick_sched_handle+0x75/0x100 kernel/time/tick-sched.c:167 tick_sched_timer+0x58/0xe0 kernel/time/tick-sched.c:1296 __run_hrtimer kernel/time/hrtimer.c:1389 [inline] __hrtimer_run_queues+0x288/0x600 kernel/time/hrtimer.c:1451 hrtimer_interrupt+0x22a/0x480 kernel/time/hrtimer.c:1509 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1110 [inline] smp_apic_timer_interrupt+0xdc/0x280 arch/x86/kernel/apic/apic.c:1135 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:830 __tsan_read8+0x0/0x30 kernel/kcsan/kcsan.c:30 rb_insert_augmented include/linux/rbtree_augmented.h:50 [inline] vma_rb_insert mm/mmap.c:454 [inline] __vma_link_rb+0x19c/0x1e0 mm/mmap.c:608 __vma_link mm/mmap.c:636 [inline] vma_link+0x124/0x130 mm/mmap.c:650 do_brk_flags+0x64c/0x690 mm/mmap.c:3047 write to 0xffff88812be1d818 of 8 bytes by interrupt on cpu 0: __run_hrtimer kernel/time/hrtimer.c:1360 [inline] __hrtimer_run_queues+0x1f2/0x600 kernel/time/hrtimer.c:1451 hrtimer_interrupt+0x22a/0x480 kernel/time/hrtimer.c:1509 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1110 [inline] smp_apic_timer_interrupt+0xdc/0x280 arch/x86/kernel/apic/apic.c:1135 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:830 __tsan_func_entry+0x0/0x10 tomoyo_check_acl+0xf6/0x270 security/tomoyo/domain.c:172 tomoyo_path_permission security/tomoyo/file.c:586 [inline] tomoyo_path_permission+0xe3/0x160 security/tomoyo/file.c:573 tomoyo_path_perm+0x23e/0x390 security/tomoyo/file.c:838 tomoyo_inode_getattr+0x26/0x40 security/tomoyo/tomoyo.c:129 security_inode_getattr+0x9b/0xd0 security/security.c:1182 vfs_getattr+0x2e/0x70 fs/stat.c:115 vfs_statx+0x102/0x190 fs/stat.c:191 vfs_stat include/linux/fs.h:3188 [inline] __do_sys_newstat+0x51/0xb0 fs/stat.c:341 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 7545 Comm: ps Not tainted 5.3.0+ #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================