[Bug 1970411] Re: gnome-remote-desktop-daemon crashes on fuse_thread_func → g_thread_proxy → start_thread: Failed to mount FUSE filesystem (as per missing fusermount3)

[Bug Watch Updater]

** Changed in: gnome-remote-desktop (Debian)
       Status: New => Fix Released

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https://bugs.launchpad.net/bugs/1970411

Title:
  gnome-remote-desktop-daemon crashes on fuse_thread_func →
  g_thread_proxy → start_thread: Failed to mount FUSE filesystem (as per
  missing fusermount3)

Status in fuse3 package in Ubuntu:
  Incomplete
Status in gnome-remote-desktop package in Ubuntu:
  Triaged
Status in linux package in Ubuntu:
  Incomplete
Status in gnome-remote-desktop package in Debian:
  Fix Released

Bug description:
  Impact
  ======
  GNOME Remote desktop crashes if fuse3 package is not installed as it provides fusermount3, that fuse_session_mount() implicitly requires.

  Test Case
  =========
  Verify that gnome-remote-desktop has a dependency on fuse3

  What Could Go Wrong
  ==================
  This just adds a dependency.

  This bug should be very uncommon because a system without fuse3 also
  wouldn't have xdg-desktop-portal installed meaning Snaps don't work
  and wouldn't have ubuntu-desktop-minimal installed.

  Other Info
  =========
  libfuse3 is currently suggesting fusermount3, I'm wondering if we should instead recommending it, given that one of the library function relies on that. It's possible for things to use the library without that function so that's why it's proposed to be only a Recommends and not a Depends.

  For Ubuntu 22.10, we should see if the kernel can support this
  natively without needing fusermount3 as suggested in comment 1.

  
  Stack trace:

  #0  g_log_structured_array (log_level=<optimized out>, fields=0x7f7859fefdd0, n_fields=3) at ../../../glib/gmessages.c:557
          writer_func = <optimized out>
          writer_user_data = <optimized out>
          recursion = <optimized out>
          depth = <optimized out>
          __func__ = "g_log_structured_array"
          _g_boolean_var_ = <optimized out>
  #1  0x00007f79092e2f99 in g_log_default_handler (log_domain=log_domain at entry=0x0, log_level=log_level at entry=6, message=message at entry=0x7f7860000f80 "[FUSE Clipboard] Failed to mount FUSE filesystem", unused_data=unused_data at entry=0x0) at ../../../glib/gmessages.c:3295
          fields = {{key = 0x7f790933cb12 "GLIB_OLD_LOG_API", value = 0x7f790933a611, length = -1}, {key = 0x7f790933ca4d "MESSAGE", value = 0x7f7860000f80, length = -1}, {key = 0x7f790933ca60 "PRIORITY", value = 0x7f790939a109, length = -1}, {key = 0x7f790932a09f <g_private_set+63> "\205\300t\025H\215\065\326\377\006", value = 0x7f7859ff3640, length = 140157821898257}}
          n_fields = <optimized out>
  #2  0x00007f79092e43fa in g_logv (log_domain=0x0, log_level=G_LOG_LEVEL_ERROR, format=<optimized out>, args=<optimized out>) at ../../../glib/gmessages.c:1387
          domain = 0x0
          data = 0x0
          depth = <optimized out>
          log_func = 0x7f79092e2ee0 <g_log_default_handler>
          domain_fatal_mask = <optimized out>
          masquerade_fatal = 0
          test_level = 6
          was_fatal = <optimized out>
          was_recursion = <optimized out>
          buffer = <optimized out>
          msg = 0x7f7860000f80 "[FUSE Clipboard] Failed to mount FUSE filesystem"
          msg_alloc = 0x7f7860000f80 "[FUSE Clipboard] Failed to mount FUSE filesystem"
          i = 2
          size = <optimized out>
  #3  0x00007f79092e46e3 in g_log (log_domain=log_domain at entry=0x0, log_level=log_level at entry=G_LOG_LEVEL_ERROR, format=format at entry=0x5605ec5e3c38 "[FUSE Clipboard] Failed to mount FUSE filesystem") at ../../../glib/gmessages.c:1456
          args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 0x7f7859ff0000, reg_save_area = 0x7f7859feff40}}
  #4  0x00005605ec5c0920 in fuse_thread_func (data=0x5605ed301820) at ../src/grd-rdp-fuse-clipboard.c:1321
          rdp_fuse_clipboard = 0x5605ed301820
          args = {argc = 1, argv = 0x7f7860001070, allocated = 1}
          argv = {0x7ffe23912a12 "/usr/libexec/gnome-remote-desktop-daemon"}
          result = <optimized out>

  Further details:
   - https://errors.ubuntu.com/problem/a35f108a1822440799804a3dad6f5ef4a53fec4f

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