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BUG: KCSAN: data-race in inode_needs_update_time / inode_update_timestamps

write to 0xffff888108a03188 of 8 bytes by task 1402 on cpu 0:
 inode_set_ctime_to_ts include/linux/fs.h:1597 [inline]
 inode_set_ctime include/linux/fs.h:1615 [inline]
 inode_set_ctime_current fs/inode.c:2548 [inline]
 inode_update_timestamps+0x2ff/0x560 fs/inode.c:1895
 generic_update_time fs/inode.c:1934 [inline]
 inode_update_time fs/inode.c:1954 [inline]
 __file_update_time fs/inode.c:2142 [inline]
 file_update_time+0xba/0x140 fs/inode.c:2172
 pipe_write+0xa81/0xd20 fs/pipe.c:610
 do_iter_write+0x4ad/0x770 fs/read_write.c:860
 vfs_writev+0x1a8/0x320 fs/read_write.c:933
 do_writev+0xf8/0x220 fs/read_write.c:976
 __do_sys_writev fs/read_write.c:1049 [inline]
 __se_sys_writev fs/read_write.c:1046 [inline]
 __x64_sys_writev+0x45/0x50 fs/read_write.c:1046
 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 0xffff888108a03188 of 8 bytes by task 1396 on cpu 1:
 inode_get_ctime include/linux/fs.h:1591 [inline]
 inode_needs_update_time+0x203/0x2f0 fs/inode.c:2125
 file_update_time+0x2d/0x140 fs/inode.c:2168
 pipe_write+0xa81/0xd20 fs/pipe.c:610
 do_iter_write+0x4ad/0x770 fs/read_write.c:860
 vfs_writev+0x1a8/0x320 fs/read_write.c:933
 do_writev+0xf8/0x220 fs/read_write.c:976
 __do_sys_writev fs/read_write.c:1049 [inline]
 __se_sys_writev fs/read_write.c:1046 [inline]
 __x64_sys_writev+0x45/0x50 fs/read_write.c:1046
 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: 0x000000006552aa4e -> 0x000000006552aa51

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 1396 Comm: syz-executor.4 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
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