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BUG: KCSAN: data-race in ext4_fill_raw_inode / ext4_orphan_del

write to 0xffff8881067d243c of 4 bytes by task 3637 on cpu 1:
 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 0xffff8881067d243c of 4 bytes by task 3648 on cpu 0:
 ext4_fill_raw_inode+0x28d/0xdf0 fs/ext4/inode.c:4325
 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_ext_truncate+0x58/0x150 fs/ext4/extents.c:4457
 ext4_truncate+0x776/0xb10 fs/ext4/inode.c:4217
 ext4_evict_inode+0x8b4/0xdd0 fs/ext4/inode.c:263
 evict+0x2f0/0x570 fs/inode.c:796
 iput_final fs/inode.c:1946 [inline]
 iput+0x42a/0x5b0 fs/inode.c:1972
 d_delete_notify include/linux/fsnotify.h:376 [inline]
 vfs_rmdir+0x29f/0x320 fs/namei.c:4409
 do_rmdir+0x194/0x330 fs/namei.c:4455
 __do_sys_unlinkat fs/namei.c:4631 [inline]
 __se_sys_unlinkat fs/namei.c:4625 [inline]
 __x64_sys_unlinkat+0xa2/0xb0 fs/namei.c:4625
 x64_sys_call+0x28d8/0x2dc0 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

value changed: 0x000007ac -> 0x00000000

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 UID: 0 PID: 3648 Comm: syz-executor.5 Not tainted 6.14.0-rc6-syzkaller-00003-g4d872d51bc9d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
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