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BUG: KCSAN: data-race in dentry_unlink_inode / step_into

write to 0xffff88814605e630 of 8 bytes by task 20349 on cpu 0:
 __d_clear_type_and_inode fs/dcache.c:358 [inline]
 dentry_unlink_inode+0x65/0x240 fs/dcache.c:391
 d_delete+0x76/0xf0 fs/dcache.c:2564
 d_delete_notify+0x30/0xe0 include/linux/fsnotify.h:260
 vfs_unlink+0x305/0x3e0 fs/namei.c:4333
 do_unlinkat+0x236/0x4c0 fs/namei.c:4382
 __do_sys_unlink fs/namei.c:4430 [inline]
 __se_sys_unlink fs/namei.c:4428 [inline]
 __x64_sys_unlink+0x30/0x40 fs/namei.c:4428
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x44/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b

read to 0xffff88814605e630 of 8 bytes by task 2783 on cpu 1:
 step_into+0x123/0x800 fs/namei.c:1844
 walk_component+0x164/0x230 fs/namei.c:2008
 lookup_last fs/namei.c:2459 [inline]
 path_lookupat+0x10a/0x2a0 fs/namei.c:2483
 filename_lookup+0x126/0x300 fs/namei.c:2512
 user_path_at_empty+0x42/0x110 fs/namei.c:2911
 do_readlinkat+0x92/0x210 fs/stat.c:494
 __do_sys_readlink fs/stat.c:527 [inline]
 __se_sys_readlink fs/stat.c:524 [inline]
 __x64_sys_readlink+0x47/0x50 fs/stat.c:524
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x44/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b

value changed: 0xffff8881411126b0 -> 0x0000000000000000

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 2783 Comm: udevd Not tainted 6.7.0-rc4-syzkaller-00009-gbee0e7762ad2 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
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