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BUG: KCSAN: data-race in generic_fillattr / inode_update_timestamps

write to 0xffff88812705a710 of 8 bytes by task 27727 on cpu 1:
 inode_set_atime_to_ts include/linux/fs.h:1537 [inline]
 inode_update_timestamps+0x4d1/0x560 fs/inode.c:1912
 generic_update_time fs/inode.c:1934 [inline]
 inode_update_time fs/inode.c:1954 [inline]
 touch_atime+0x15c/0x2d0 fs/inode.c:2026
 file_accessed include/linux/fs.h:2360 [inline]
 iterate_dir+0x2db/0x300 fs/readdir.c:109
 __do_sys_getdents64 fs/readdir.c:405 [inline]
 __se_sys_getdents64+0x88/0x1a0 fs/readdir.c:390
 __x64_sys_getdents64+0x43/0x50 fs/readdir.c:390
 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 0xffff88812705a710 of 8 bytes by task 26862 on cpu 0:
 inode_get_atime include/linux/fs.h:1531 [inline]
 generic_fillattr+0x16f/0x2f0 fs/stat.c:60
 shmem_getattr+0x17b/0x200 mm/shmem.c:1121
 vfs_getattr_nosec fs/stat.c:135 [inline]
 vfs_getattr fs/stat.c:172 [inline]
 vfs_fstat+0x1b2/0x460 fs/stat.c:194
 vfs_fstatat+0x85/0x100 fs/stat.c:291
 __do_sys_newfstatat fs/stat.c:459 [inline]
 __se_sys_newfstatat+0x58/0x260 fs/stat.c:453
 __x64_sys_newfstatat+0x55/0x60 fs/stat.c:453
 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: 0x000000000bebdb38 -> 0x000000001e6614bc

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 26862 Comm: udevd Not tainted 6.6.0-syzkaller-14142-g90b0c2b2edd1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
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