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BUG: KCSAN: data-race in d_delete / step_into

write to 0xffff88811d157d80 of 4 bytes by task 19 on cpu 1:
 d_delete fs/dcache.c:2450 [inline]
 d_delete+0xbc/0xe0 fs/dcache.c:2440
 vfs_unlink+0x3b5/0x400 fs/namei.c:3823
 handle_remove+0x32e/0x560 drivers/base/devtmpfs.c:332
 handle drivers/base/devtmpfs.c:378 [inline]
 devtmpfsd.part.0+0x206/0x4a0 drivers/base/devtmpfs.c:413
 devtmpfsd+0xcc/0xd0 drivers/base/devtmpfs.c:403
 kthread+0x203/0x230 kernel/kthread.c:268
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:352

read to 0xffff88811d157d80 of 4 bytes by task 6107 on cpu 0:
 d_is_symlink include/linux/dcache.h:419 [inline]
 step_into+0xea/0x1090 fs/namei.c:1680
 walk_component+0xde/0x390 fs/namei.c:1852
 lookup_last fs/namei.c:2295 [inline]
 path_lookupat.isra.0+0x119/0x350 fs/namei.c:2319
 filename_lookup+0x145/0x2c0 fs/namei.c:2352
 user_path_at_empty+0x47/0x60 fs/namei.c:2632
 user_path_at include/linux/namei.h:59 [inline]
 vfs_statx+0xdb/0x190 fs/stat.c:197
 vfs_lstat include/linux/fs.h:3284 [inline]
 __do_sys_newlstat+0x50/0xb0 fs/stat.c:364
 __se_sys_newlstat fs/stat.c:358 [inline]
 __x64_sys_newlstat+0x37/0x50 fs/stat.c:358
 do_syscall_64+0xc7/0x3b0 arch/x86/entry/common.c:295
 entry_SYSCALL_64_after_hwframe+0x44/0xa9

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 6107 Comm: systemd-udevd Not tainted 5.7.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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