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BUG: KCSAN: data-race in dentry_unlink_inode / step_into

write to 0xffff88810657f030 of 8 bytes by task 3292 on cpu 0:
 __d_clear_type_and_inode fs/dcache.c:410 [inline]
 dentry_unlink_inode+0x65/0x260 fs/dcache.c:447
 d_delete+0x164/0x180 fs/dcache.c:2451
 d_delete_notify+0x34/0x100 include/linux/fsnotify.h:400
 vfs_unlink+0x320/0x430 fs/namei.c:4559
 do_unlinkat+0x21b/0x4b0 fs/namei.c:4608
 __do_sys_unlink fs/namei.c:4654 [inline]
 __se_sys_unlink fs/namei.c:4652 [inline]
 __x64_sys_unlink+0x2e/0x40 fs/namei.c:4652
 x64_sys_call+0x2358/0x2e10 arch/x86/include/generated/asm/syscalls_64.h:88
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xc9/0x1c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

read to 0xffff88810657f030 of 8 bytes by task 3003 on cpu 1:
 step_into+0x11c/0x860 fs/namei.c:1970
 walk_component+0x178/0x240 fs/namei.c:2134
 lookup_last fs/namei.c:2626 [inline]
 path_lookupat+0x103/0x2a0 fs/namei.c:2650
 filename_lookup+0x14b/0x340 fs/namei.c:2679
 do_readlinkat+0x8b/0x210 fs/stat.c:564
 __do_sys_readlink fs/stat.c:601 [inline]
 __se_sys_readlink fs/stat.c:598 [inline]
 __x64_sys_readlink+0x47/0x60 fs/stat.c:598
 x64_sys_call+0x2a81/0x2e10 arch/x86/include/generated/asm/syscalls_64.h:90
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xc9/0x1c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

value changed: 0xffff8881182e71e8 -> 0x0000000000000000

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 UID: 0 PID: 3003 Comm: udevd Not tainted 6.14.0-syzkaller-07486-g15cb9a2b66fc #0 PREEMPT(voluntary) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
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