#1032072 kio: copy_file_range failing on CIFS share with ENOENT

Package:
kio
Source:
kio
Description:
resource and network access abstraction
Submitter:
Achim Steinmetz
Date:
2026-07-06 17:37:04 UTC
Severity:
normal
Tags:
#1032072#5
Date:
2023-02-27 12:03:06 UTC
From:
To:
Dear Maintainer,

using KDE Dolphin (kio) to copy/move PDF files from 1 CIFS share to another CIFS share fails.

Checking with KDE file management team we locate the issue in CIFS related handling where copy_file_range fails with ENOENT leading to error. The error is also reported on:

Gentoo: https://bugs.gentoo.org/show_bug.cgi?id=885793
Coreutils: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=60455

KDE-FM maintainer created already a fix:
https://invent.kde.org/frameworks/kio/-/merge_requests/1214/diffs

Thanks to check for integrating the existing fix in Debian package!

Best regards,
Achim Steinmetz