Subject: Re: bug#51857: cross-filesystem copying broken on macOS with coreutils >= 9.0

From: Paul Eggert <[email-masked]>
Date: Mon, 15 Nov 2021 18:10:10 -0800

On 11/15/21 16:02, Sudhip Nashi wrote:
> It doesn’t seem like this patch works. I compiled from the tarball you provided, but the destination file is still filled with NULL chars.

Too bad. Can you do a dtruss or at least a ktrace/kdump for the failing 
program? I'd like to see what lseek is doing with SEEK_HOLE and 
SEEK_DATA. Thanks.