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BUG: KCSAN: data-race in generic_fillattr / inode_set_ctime_current

write to 0xffff888104284cc0 of 8 bytes by task 4600 on cpu 1:
 inode_set_ctime_to_ts include/linux/fs.h:1617 [inline]
 inode_set_ctime_current+0x38/0x50 fs/inode.c:2515
 simple_rename_timestamp+0x34/0xd0 fs/libfs.c:799
 shmem_rename2+0x284/0x2c0 mm/shmem.c:3486
 vfs_rename+0x872/0x9c0 fs/namei.c:4887
 do_renameat2+0x732/0xa60 fs/namei.c:5044
 __do_sys_rename fs/namei.c:5091 [inline]
 __se_sys_rename fs/namei.c:5089 [inline]
 __x64_sys_rename+0x5c/0x70 fs/namei.c:5089
 x64_sys_call+0x2781/0x2d70 arch/x86/include/generated/asm/syscalls_64.h:83
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

read to 0xffff888104284cc0 of 8 bytes by task 3071 on cpu 0:
 inode_get_ctime include/linux/fs.h:1611 [inline]
 generic_fillattr+0x1e0/0x2f0 fs/stat.c:62
 shmem_getattr+0x17b/0x200 mm/shmem.c:1139
 vfs_getattr_nosec fs/stat.c:135 [inline]
 vfs_getattr+0x19b/0x1e0 fs/stat.c:176
 vfs_statx+0x140/0x320 fs/stat.c:248
 vfs_fstatat+0xcd/0x100 fs/stat.c:304
 __do_sys_newfstatat fs/stat.c:468 [inline]
 __se_sys_newfstatat+0x58/0x260 fs/stat.c:462
 __x64_sys_newfstatat+0x55/0x70 fs/stat.c:462
 x64_sys_call+0x1451/0x2d70 arch/x86/include/generated/asm/syscalls_64.h:263
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

value changed: 0x000000002b6537f8 -> 0x000000002bfdce78

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 3071 Comm: udevd Tainted: G        W          6.10.0-rc3-syzkaller-00169-g08a6b55aa0c6 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
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