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BUG: KCSAN: data-race in ext4_free_inodes_count / ext4_free_inodes_set

write to 0xffff888102b4a00e of 2 bytes by task 3330 on cpu 1:
 ext4_free_inodes_set+0x1f/0x80 fs/ext4/super.c:405
 ext4_free_inode+0x43a/0x810 fs/ext4/ialloc.c:323
 ext4_evict_inode+0xb25/0xdd0 fs/ext4/inode.c:303
 evict+0x1ae/0x420 fs/inode.c:667
 iput_final fs/inode.c:1741 [inline]
 iput+0x432/0x5c0 fs/inode.c:1767
 d_delete_notify include/linux/fsnotify.h:326 [inline]
 vfs_rmdir+0x29c/0x320 fs/namei.c:4227
 do_rmdir+0x194/0x320 fs/namei.c:4273
 __do_sys_unlinkat fs/namei.c:4449 [inline]
 __se_sys_unlinkat fs/namei.c:4443 [inline]
 __x64_sys_unlinkat+0xa4/0xb0 fs/namei.c:4443
 x64_sys_call+0x2637/0x2d70 arch/x86/include/generated/asm/syscalls_64.h:264
 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 0xffff888102b4a00e of 2 bytes by task 4810 on cpu 0:
 ext4_free_inodes_count+0x1c/0x80 fs/ext4/super.c:349
 __ext4_new_inode+0xb6f/0x2270 fs/ext4/ialloc.c:1040
 ext4_symlink+0x242/0x5a0 fs/ext4/namei.c:3395
 vfs_symlink+0xca/0x1d0 fs/namei.c:4489
 do_symlinkat+0xe3/0x350 fs/namei.c:4515
 __do_sys_symlinkat fs/namei.c:4531 [inline]
 __se_sys_symlinkat fs/namei.c:4528 [inline]
 __x64_sys_symlinkat+0x62/0x70 fs/namei.c:4528
 x64_sys_call+0x1e00/0x2d70 arch/x86/include/generated/asm/syscalls_64.h:267
 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: 0x1859 -> 0x185a

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 4810 Comm: syz-executor.4 Not tainted 6.10.0-rc1-syzkaller-00304-g83814698cf48 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
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