================================================================== BUG: KCSAN: data-race in do_settimeofday64 / ktime_get_real_seconds write to 0xffffffff892c1df8 of 8 bytes by task 6484 on cpu 1: tk_set_xtime kernel/time/timekeeping.c:118 [inline] do_settimeofday64+0x3eb/0x580 kernel/time/timekeeping.c:1249 do_sys_settimeofday64+0x17d/0x1a0 kernel/time/time.c:195 posix_clock_realtime_set+0x13/0x20 kernel/time/posix-timers.c:185 __do_sys_clock_settime kernel/time/posix-timers.c:1079 [inline] __se_sys_clock_settime kernel/time/posix-timers.c:1067 [inline] __x64_sys_clock_settime+0x137/0x160 kernel/time/posix-timers.c:1067 do_syscall_64+0x51/0xb0 arch/x86/entry/common.c:359 entry_SYSCALL_64_after_hwframe+0x44/0xa9 read to 0xffffffff892c1df8 of 8 bytes by task 8801 on cpu 0: ktime_get_real_seconds+0x11/0x20 kernel/time/timekeeping.c:939 recently_deleted fs/ext4/ialloc.c:699 [inline] find_inode_bit+0x231/0x3a0 fs/ext4/ialloc.c:724 __ext4_new_inode+0xc84/0x2fc0 fs/ext4/ialloc.c:927 ext4_mkdir+0x299/0xc90 fs/ext4/namei.c:2792 vfs_mkdir+0x288/0x370 fs/namei.c:3641 do_mkdirat+0x132/0x220 fs/namei.c:3664 __do_sys_mkdir fs/namei.c:3680 [inline] __se_sys_mkdir fs/namei.c:3678 [inline] __x64_sys_mkdir+0x32/0x40 fs/namei.c:3678 do_syscall_64+0x51/0xb0 arch/x86/entry/common.c:359 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 8801 Comm: syz-executor.1 Not tainted 5.8.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================