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@Fiona : proper risk analysis takes into account EVERY weakness.

Even *if* you are right that Threema does *not* use forward secrecy, AFAIK the servers are not in located in the US and neither are the developers.

The chances that an orange haired idiot orders Threema to build in a backdoor and STFU about it, are therefore lower than with *ANY* US-associated whatsever signaling app.

(Me: just a longtime happy Threema user, without any PhD, but believing to understand what forward secrecy means. Including that if missing FS poses a risk to a specific user, that user has a *LOT* more to worry about - including which phone and which OS to use anyway).

P.S. are you (the reader) still using email?

@threemaapp

SysV filesystem is being removed from Linux 6.15

In the old Unix days, there was a filesystem that implemented the Xenix FS, Coherent Unix FS, and SystemV/386 FS. It allowed file organization and access that provided the data storage service that allowed applications to access mass storage and its contents, including files and folders.

The ex-maintainer of this filesystem support for Linux systems had orphaned the filesystem maintenance back in 2023, when the maintainer said that there was no way to test it, with the possible removal slated in the future.

The future has come, and Jan Kara from the SUSE team has pushed a commit to the VFS git that removed all code for the SysV support for Linux, which confirms that, starting from Linux 6.15, you won’t be able to access these legacy filesystems. This is because, back in 2023, Google’s Linux kernel fuzzer, syzkaller, has automatically reported a bug in SysV where the sleep function was called from an invalid context.

As nobody is using this filesystem in their Linux installation, it’s safe to remove this filesystem support from the kernel. This only affects computers that have both Linux and a legacy Unix system that uses this antique filesystem installed, but the amount of such computers is very small.

Once Linux 6.15 gets released, you won’t be able to use any partitions that use this filesystem.

https://audiomack.com/aptivi/song/sysv-filesystem-is-being-removed-from-linux-615