================================================================== BUG: KCSAN: data-race in ktime_get_real_seconds / timekeeping_advance write to 0xffffffff8603bb08 of 280 bytes by interrupt on cpu 0: 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 rep_nop arch/x86/include/asm/processor.h:650 [inline] delay_tsc+0x33/0xc0 arch/x86/lib/delay.c:67 __delay arch/x86/lib/delay.c:161 [inline] __const_udelay+0x36/0x40 arch/x86/lib/delay.c:175 try_check_zero+0x18d/0x1d0 kernel/rcu/srcutree.c:705 srcu_advance_state kernel/rcu/srcutree.c:1142 [inline] process_srcu+0x19a/0x780 kernel/rcu/srcutree.c:1237 process_one_work+0x3d4/0x890 kernel/workqueue.c:2269 worker_thread+0xa0/0x800 kernel/workqueue.c:2415 kthread+0x1d4/0x200 drivers/block/aoe/aoecmd.c:1253 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:352 read to 0xffffffff8603bb78 of 8 bytes by task 14506 on cpu 1: ktime_get_real_seconds+0x20/0x40 kernel/time/timekeeping.c:127 recently_deleted fs/ext4/ialloc.c:699 [inline] find_inode_bit.isra.0+0x1e2/0x300 fs/ext4/ialloc.c:722 __ext4_new_inode+0xd10/0x2ec0 fs/ext4/ialloc.c:914 ext4_symlink+0x30e/0x970 fs/ext4/namei.c:3262 vfs_symlink fs/namei.c:4119 [inline] vfs_symlink+0x218/0x310 fs/namei.c:4105 do_symlinkat+0x1a5/0x1e0 fs/namei.c:4146 __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 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 14506 Comm: syz-executor.4 Not tainted 5.4.0-rc7+ #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================