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BUG: KCSAN: data-race in __dentry_kill / d_set_d_op

write to 0xffff8881360a49c0 of 4 bytes by task 5618 on cpu 0:
 d_set_d_op+0x17f/0x220 fs/dcache.c:1910
 simple_lookup+0x78/0x90 fs/libfs.c:74
 lookup_open fs/namei.c:3258 [inline]
 open_last_lookups fs/namei.c:3350 [inline]
 path_openat+0xbe1/0x1eb0 fs/namei.c:3556
 do_filp_open+0x105/0x220 fs/namei.c:3586
 do_sys_openat2+0xb5/0x2b0 fs/open.c:1212
 do_sys_open fs/open.c:1228 [inline]
 __do_sys_openat fs/open.c:1244 [inline]
 __se_sys_openat fs/open.c:1239 [inline]
 __x64_sys_openat+0xef/0x110 fs/open.c:1239
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae

read to 0xffff8881360a49c0 of 4 bytes by task 5617 on cpu 1:
 dentry_unlist fs/dcache.c:547 [inline]
 __dentry_kill+0x1ef/0x450 fs/dcache.c:578
 dput+0x218/0x430 fs/dcache.c:888
 handle_mounts fs/namei.c:1502 [inline]
 step_into+0x468/0xee0 fs/namei.c:1800
 open_last_lookups fs/namei.c:3373 [inline]
 path_openat+0x1059/0x1eb0 fs/namei.c:3556
 do_filp_open+0x105/0x220 fs/namei.c:3586
 do_sys_openat2+0xb5/0x2b0 fs/open.c:1212
 do_sys_open fs/open.c:1228 [inline]
 __do_sys_openat fs/open.c:1244 [inline]
 __se_sys_openat fs/open.c:1239 [inline]
 __x64_sys_openat+0xef/0x110 fs/open.c:1239
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae

value changed: 0x10000000 -> 0x00000008

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 5617 Comm: udevd Not tainted 5.16.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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