Florian Weimer 9a2aceb076 Linux: Add test case for bug 33245 ...

The copy_file_range system call seems to be the only one that can
return an off64_t value.  Use FUSE to exercise this, without actually
creating such large files or copying any data.  Due to FUSE protocol
limitations, only sizes up to UINT_MAX can be tested, but this is
sufficient to check for the presence of bug 33245.

The FUSE protocol limitations are raised here:

  copy_file_range return value on FUSE
  <https://lore.kernel.org/all/lhuh5ynl8z5.fsf@oldenburg.str.redhat.com/>

Reviewed-by: Sam James <sam@gentoo.org>
Reviewed-by: Collin Funk <collin.funk1@gmail.com>

2025-08-05 15:25:18 +02:00

..

linux

Linux: Add test case for bug 33245

2025-08-05 15:25:18 +02:00