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BUG: KCSAN: data-race in ext4_fill_raw_inode / ext4_orphan_del

write to 0xffff88810664c4bc of 4 bytes by task 3625 on cpu 0:
 ext4_orphan_del+0x550/0x6e0 fs/ext4/orphan.c:296
 ext4_evict_inode+0xac5/0xdd0 fs/ext4/inode.c:294
 evict+0x2f0/0x570 fs/inode.c:796
 iput_final fs/inode.c:1946 [inline]
 iput+0x42a/0x5b0 fs/inode.c:1972
 do_unlinkat+0x283/0x4d0 fs/namei.c:4596
 __do_sys_unlink fs/namei.c:4637 [inline]
 __se_sys_unlink fs/namei.c:4635 [inline]
 __x64_sys_unlink+0x2e/0x40 fs/namei.c:4635
 x64_sys_call+0x2329/0x2dc0 arch/x86/include/generated/asm/syscalls_64.h:88
 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 0xffff88810664c4bc of 4 bytes by task 3617 on cpu 1:
 ext4_fill_raw_inode+0x63d/0xdf0 fs/ext4/inode.c:4347
 ext4_do_update_inode fs/ext4/inode.c:5151 [inline]
 ext4_mark_iloc_dirty+0x2e9/0xd60 fs/ext4/inode.c:5809
 __ext4_mark_inode_dirty+0x314/0x440 fs/ext4/inode.c:6013
 __ext4_unlink+0x482/0x660 fs/ext4/namei.c:3298
 ext4_unlink+0xd6/0x2a0 fs/ext4/namei.c:3327
 vfs_unlink+0x275/0x430 fs/namei.c:4525
 do_unlinkat+0x237/0x4d0 fs/namei.c:4589
 __do_sys_unlink fs/namei.c:4637 [inline]
 __se_sys_unlink fs/namei.c:4635 [inline]
 __x64_sys_unlink+0x2e/0x40 fs/namei.c:4635
 x64_sys_call+0x2329/0x2dc0 arch/x86/include/generated/asm/syscalls_64.h:88
 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: 0x0000079d -> 0x00000000

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 UID: 0 PID: 3617 Comm: syz-executor.0 Not tainted 6.14.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
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