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BUG: KCSAN: data-race in ext4_free_inodes_count / ext4_free_inodes_set

write to 0xffff888103a9000e of 2 bytes by task 5200 on cpu 0:
 ext4_free_inodes_set+0x1f/0x80 fs/ext4/super.c:397
 __ext4_new_inode+0x15c8/0x2290 fs/ext4/ialloc.c:1216
 ext4_symlink+0x242/0x580 fs/ext4/namei.c:3393
 vfs_symlink+0xc2/0x1a0 fs/namei.c:4477
 do_symlinkat+0xe3/0x320 fs/namei.c:4503
 __do_sys_symlinkat fs/namei.c:4519 [inline]
 __se_sys_symlinkat fs/namei.c:4516 [inline]
 __x64_sys_symlinkat+0x62/0x70 fs/namei.c:4516
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

read to 0xffff888103a9000e of 2 bytes by task 5201 on cpu 1:
 ext4_free_inodes_count+0x1c/0x80 fs/ext4/super.c:341
 __ext4_new_inode+0xb71/0x2290 fs/ext4/ialloc.c:1040
 ext4_symlink+0x242/0x580 fs/ext4/namei.c:3393
 vfs_symlink+0xc2/0x1a0 fs/namei.c:4477
 do_symlinkat+0xe3/0x320 fs/namei.c:4503
 __do_sys_symlinkat fs/namei.c:4519 [inline]
 __se_sys_symlinkat fs/namei.c:4516 [inline]
 __x64_sys_symlinkat+0x62/0x70 fs/namei.c:4516
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

value changed: 0x185e -> 0x185d

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 5201 Comm: syz-executor.3 Not tainted 6.5.0-rc5-syzkaller-ga027b2eca0b7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
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