================================================================== BUG: KCSAN: data-race in do_settimeofday64 / ktime_get_real_seconds write to 0xffffffff841679b8 of 8 bytes by task 1864 on cpu 0: tk_set_xtime kernel/time/timekeeping.c:138 [inline] do_settimeofday64+0x404/0x5a0 kernel/time/timekeeping.c:1319 do_sys_settimeofday64 kernel/time/time.c:195 [inline] __do_sys_settimeofday kernel/time/time.c:220 [inline] __se_sys_settimeofday+0x2a3/0x300 kernel/time/time.c:199 __x64_sys_settimeofday+0x2d/0x40 kernel/time/time.c:199 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae read to 0xffffffff841679b8 of 8 bytes by task 1859 on cpu 1: ktime_get_real_seconds+0x11/0x20 kernel/time/timekeeping.c:1008 recently_deleted fs/ext4/ialloc.c:706 [inline] find_inode_bit+0x1f9/0x330 fs/ext4/ialloc.c:731 __ext4_new_inode+0xc9a/0x2fd0 fs/ext4/ialloc.c:1066 ext4_symlink+0x2cc/0x700 fs/ext4/namei.c:3293 vfs_symlink+0x23f/0x350 fs/namei.c:4250 do_symlinkat+0xf2/0x370 fs/namei.c:4279 __do_sys_symlink fs/namei.c:4301 [inline] __se_sys_symlink fs/namei.c:4299 [inline] __x64_sys_symlink+0x52/0x60 fs/namei.c:4299 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae value changed: 0x000000006138ae7e -> 0x00000000005400f8 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 1859 Comm: syz-executor.3 Not tainted 5.14.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================