NTSTATUS 298 (STATUS_FILE_LOCKED_WITH_ONLY

Status / error code:		Category:

Constant name:
Source:		Operating System:
Description: The file has reader byte-range locks.

Could be also:
Constant	Type	OS
ERROR_TOO_MANY_POSTS	Win32 error	Windows
MUI_NO_VALID_SYSTEM_LANGUAGE	BugCheck Code	Windows

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STATUS_PROCESS_CLONED	STATUS_FILE_LOCKED_WITH_WRITERS

STATUS_FILE_LOCKED_WITH_ONLY_READERS

The file is locked by readers only

This informational status describes the current byte-range lock state of a file. Reader locks are present, and no writer lock is currently represented in this condition.

For diagnostics, treat it as lock-state information rather than a generic sharing violation. Byte-range locks are independent of ordinary create share modes and can extend beyond the current end of file.

What to inspect

Enumerate the byte ranges and handles involved if the file system exposes that state.
Separate byte-range lock conflicts from create-time sharing conflicts.
Check whether the caller expected a writer lock or exclusive range before modifying data.

References

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