Digging a bit suggests this is a result of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-5.18.y&id=b9cabd2ec2ff6f452bd5744326cc5c5f503448c6? At any rate, not a glibc issue.
** Package changed: glibc (Ubuntu) => linux (Ubuntu) -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1998308 Title: copy_file_range fails with EXDEV on copy to or from tmpfs Status in linux package in Ubuntu: Incomplete Bug description: copy_file_range(2) from ext4 to tmpfs fails. Same is true from tmpfs to ext4. gcc is already the newest version (4:11.2.0-1ubuntu1). libc6 is already the newest version (2.35-0ubuntu3.1). linux-image-lowlatency is already the newest version (5.15.0.53.48). See example program attached. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1998308/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
