*** This bug is a security vulnerability ***

You have been subscribed to a public security bug by Seth Arnold (seth-arnold):

I just upgraded to Ubuntu 20.04.1 LTS, and started to use sshfs to
access some data files on a network drive, as I had done on many
occasions with previous Ubuntu versions.

However, within a few minutes of mounting a drive using sshfs, Ubuntu
crashed, and left my boot drive unbootable.

I set up Ubuntu 20.04.1 LTS on another drive (taking 1/2 a day) and
tried using sshfs again for my data files.  Ubuntu crashed again within
a few minutes, leaving my boot drive unbootable.

So sshfs is apparently unusable on Ubuntu 20.04.1 LTS, as it somehow
destabilizes the Linux kernel.

***Note that this may be a FUSE bug, not just a sshfs bug.***

I can access my data utilizing Nautilus sftp:, but I'd rather mount the
drive with sshfs.

Please help.

Thanks.

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: sshfs 3.6.0+repack+really2.10-0ubuntu1
ProcVersionSignature: Ubuntu 5.4.0-42.46-generic 5.4.44
Uname: Linux 5.4.0-42-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.6
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Wed Aug 12 09:14:14 2020
InstallationDate: Installed on 2020-08-06 (6 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: sshfs-fuse
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: sshfs-fuse (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug focal
-- 
sshfs crashes entire Ubuntu 20.04.1 LTS system
https://bugs.launchpad.net/bugs/1891361
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