==================================================================
BUG: KCSAN: data-race in __d_instantiate / step_into

read-write to 0xffff88814f3d30c0 of 4 bytes by task 30806 on cpu 1:
 __d_instantiate+0x2cd/0x3c0 fs/dcache.c:1855
 d_instantiate+0x59/0x80 fs/dcache.c:1880
 ramfs_symlink+0x161/0x1b0 fs/ramfs/inode.c:157
 vfs_symlink+0xca/0x1b0 fs/namei.c:4484
 do_symlinkat+0xe3/0x350 fs/namei.c:4510
 __do_sys_symlinkat fs/namei.c:4526 [inline]
 __se_sys_symlinkat fs/namei.c:4523 [inline]
 __x64_sys_symlinkat+0x62/0x70 fs/namei.c:4523
 do_syscall_64+0xd3/0x1d0
 entry_SYSCALL_64_after_hwframe+0x6d/0x75

read to 0xffff88814f3d30c0 of 4 bytes by task 30807 on cpu 0:
 __follow_mount_rcu fs/namei.c:1485 [inline]
 handle_mounts fs/namei.c:1536 [inline]
 step_into+0xe7/0x810 fs/namei.c:1842
 walk_component+0x169/0x230 fs/namei.c:2010
 lookup_last fs/namei.c:2461 [inline]
 path_lookupat+0x10a/0x2b0 fs/namei.c:2485
 filename_lookup+0x127/0x300 fs/namei.c:2514
 vfs_statx+0xa2/0x320 fs/stat.c:244
 do_statx fs/stat.c:681 [inline]
 __do_sys_statx fs/stat.c:708 [inline]
 __se_sys_statx fs/stat.c:699 [inline]
 __x64_sys_statx+0xee/0x160 fs/stat.c:699
 do_syscall_64+0xd3/0x1d0
 entry_SYSCALL_64_after_hwframe+0x6d/0x75

value changed: 0x00000008 -> 0x00600008

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 30807 Comm: syz-executor.2 Tainted: G        W          6.8.0-syzkaller-09791-ge5eb28f6d1af #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
==================================================================