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BUG: KCSAN: data-race in generic_fillattr / inode_set_ctime_current

write to 0xffff88810e2fa730 of 8 bytes by task 3158 on cpu 0:
 inode_set_ctime_to_ts include/linux/fs.h:1617 [inline]
 inode_set_ctime_current+0x38/0x50 fs/inode.c:2515
 shmem_xattr_handler_set+0x1a9/0x220 mm/shmem.c:3735
 __vfs_setxattr+0x2e5/0x310 fs/xattr.c:200
 __vfs_setxattr_noperm+0xed/0x420 fs/xattr.c:234
 __vfs_setxattr_locked+0x1af/0x1d0 fs/xattr.c:295
 vfs_setxattr+0x140/0x290 fs/xattr.c:321
 do_setxattr fs/xattr.c:629 [inline]
 setxattr+0x1bc/0x230 fs/xattr.c:652
 path_setxattr+0xf5/0x1a0 fs/xattr.c:671
 __do_sys_lsetxattr fs/xattr.c:694 [inline]
 __se_sys_lsetxattr fs/xattr.c:690 [inline]
 __x64_sys_lsetxattr+0x6a/0x80 fs/xattr.c:690
 x64_sys_call+0x1688/0x2d70 arch/x86/include/generated/asm/syscalls_64.h:190
 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 0xffff88810e2fa730 of 8 bytes by task 8926 on cpu 1:
 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: 0x000000002be6bfa9 -> 0x000000002c7f56d9

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 8926 Comm: udevd Not tainted 6.10.0-rc6-syzkaller-00041-g9903efbddba0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
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