================================================================== BUG: KCSAN: data-race in ktime_get_real_seconds / timekeeping_inject_offset read-write to 0xffffffff883024f8 of 8 bytes by task 5219 on cpu 0: tk_xtime_add kernel/time/timekeeping.c:144 [inline] timekeeping_inject_offset+0x468/0x6a0 kernel/time/timekeeping.c:1365 do_adjtimex+0x569/0x660 kernel/time/timekeeping.c:2396 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 0xffffffff883024f8 of 8 bytes by task 5216 on cpu 1: ktime_get_real_seconds+0x11/0x20 kernel/time/timekeeping.c:1009 recently_deleted fs/ext4/ialloc.c:703 [inline] find_inode_bit+0x231/0x3a0 fs/ext4/ialloc.c:728 __ext4_new_inode+0xd22/0x3060 fs/ext4/ialloc.c:1062 ext4_symlink+0x2bc/0x780 fs/ext4/namei.c:3330 vfs_symlink+0x216/0x2d0 fs/namei.c:3962 do_symlinkat+0xee/0x280 fs/namei.c:3989 __do_sys_symlink fs/namei.c:4008 [inline] __se_sys_symlink fs/namei.c:4006 [inline] __x64_sys_symlink+0x32/0x40 fs/namei.c:4006 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: 5216 Comm: syz-executor.5 Not tainted 5.11.0-rc2-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================