================================================================== BUG: KCSAN: data-race in ktime_get_real_seconds / timekeeping_inject_offset write to 0xffffffff89512df8 of 8 bytes by task 5160 on cpu 0: tk_xtime_add kernel/time/timekeeping.c:127 [inline] timekeeping_inject_offset+0x453/0x6d0 kernel/time/timekeeping.c:1298 do_adjtimex+0x57e/0x670 kernel/time/timekeeping.c:2335 posix_clock_realtime_adj+0x11/0x20 kernel/time/posix-timers.c:191 do_clock_adjtime kernel/time/posix-timers.c:1109 [inline] __do_sys_clock_adjtime kernel/time/posix-timers.c:1121 [inline] __se_sys_clock_adjtime kernel/time/posix-timers.c:1112 [inline] __x64_sys_clock_adjtime+0x12c/0x1b0 kernel/time/posix-timers.c:1112 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 read to 0xffffffff89512df8 of 8 bytes by task 11033 on cpu 1: ktime_get_real_seconds+0x11/0x20 kernel/time/timekeeping.c:942 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:2800 vfs_mkdir+0x288/0x350 fs/namei.c:3649 do_mkdirat+0x132/0x220 fs/namei.c:3672 __do_sys_mkdir fs/namei.c:3688 [inline] __se_sys_mkdir fs/namei.c:3686 [inline] __x64_sys_mkdir+0x32/0x40 fs/namei.c:3686 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 11033 Comm: syz-executor.1 Not tainted 5.9.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================