================================================================== BUG: KCSAN: data-race in ktime_get_real_seconds / timekeeping_advance write to 0xffffffff86041b08 of 280 bytes by interrupt on cpu 1: timekeeping_advance+0x88e/0xd80 include/linux/string.h:378 update_wall_time+0x19/0x20 kernel/time/timekeeping.c:2137 tick_do_update_jiffies64+0x1a4/0x250 kernel/time/tick-sched.c:94 tick_sched_do_timer+0xd4/0xe0 kernel/time/tick-sched.c:138 tick_sched_timer+0x43/0xe0 kernel/time/tick-sched.c:1292 __run_hrtimer kernel/time/hrtimer.c:1514 [inline] __hrtimer_run_queues+0x274/0x5f0 kernel/time/hrtimer.c:1576 hrtimer_interrupt+0x22a/0x480 kernel/time/hrtimer.c:1638 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 get_current arch/x86/include/asm/current.h:15 [inline] __sanitizer_cov_trace_pc+0xd/0x50 kernel/kcov.c:101 tomoyo_domain_quota_is_ok+0x220/0x2b0 security/tomoyo/util.c:1069 tomoyo_supervisor+0x22b/0xd20 security/tomoyo/common.c:2087 tomoyo_audit_path_log security/tomoyo/file.c:168 [inline] tomoyo_path_permission security/tomoyo/file.c:587 [inline] tomoyo_path_permission+0x121/0x160 security/tomoyo/file.c:573 tomoyo_path_perm+0x2c6/0x390 security/tomoyo/file.c:838 tomoyo_path_symlink+0x69/0xa0 security/tomoyo/tomoyo.c:206 security_path_symlink+0xab/0xe0 security/security.c:1053 do_symlinkat+0xcd/0x1e0 fs/namei.c:4144 __do_sys_symlink fs/namei.c:4165 [inline] __se_sys_symlink fs/namei.c:4163 [inline] __x64_sys_symlink+0x3f/0x50 fs/namei.c:4163 do_syscall_64+0xcc/0x370 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x44/0xa9 read to 0xffffffff86041b78 of 8 bytes by task 7982 on cpu 0: ktime_get_real_seconds+0x20/0x40 kernel/time/timekeeping.c:127 ext4_evict_inode+0x622/0xdb0 fs/ext4/inode.c:320 evict+0x244/0x410 fs/inode.c:574 iput_final fs/inode.c:1563 [inline] iput+0x371/0x4e0 fs/inode.c:1589 do_unlinkat+0x378/0x530 fs/namei.c:4061 __do_sys_unlink fs/namei.c:4102 [inline] __se_sys_unlink fs/namei.c:4100 [inline] __x64_sys_unlink+0x3b/0x50 fs/namei.c:4100 do_syscall_64+0xcc/0x370 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 7982 Comm: syz-executor.0 Not tainted 5.4.0-rc6+ #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================