gnome-flashback-polkit assert failure: malloc(): mismatching next->prev_size (unsorted)

[Claus7]

this is the first time entering flashback after upgrade to mantic from lunar
also this error appeared: https://bugs.launchpad.net/ubuntu/+source/xwayland/+bug/2037194
don't know if they are related

ProblemType: Crash
DistroRelease: Ubuntu 23.10
Package: gnome-flashback 3.49.1-1ubuntu1
ProcVersionSignature: Ubuntu 6.5.0-5.5-generic 6.5.0
Uname: Linux 6.5.0-5-generic x86_64
ApportVersion: 2.27.0-0ubuntu2
Architecture: amd64
AssertionMessage: malloc(): mismatching next->prev_size (unsorted)
CasperMD5CheckResult: pass
CurrentDesktop: GNOME-Flashback:GNOME
Date: Sun Sep 24 00:54:33 2023
ExecutablePath: /usr/libexec/gnome-flashback-polkit
InstallationDate: Installed on 2022-08-28 (391 days ago)
InstallationMedia: Ubuntu 22.10 "Kinetic Kudu" - Alpha amd64 (20220828)
JournalErrors: Σεπ 24 00:54:23 username-U5 gnome-terminal-[3407]: Theme parsing error: gtk.css:15:25: '0' is not a valid color name
ProcCmdline: /usr/libexec/gnome-flashback-polkit
Signal: 6
SourcePackage: gnome-flashback
StacktraceTop:
 __libc_message (fmt=fmt@entry=0x7f6fbcdc3b34 "%s\n") at ../sysdeps/posix/libc_fatal.c:150
 malloc_printerr (str=str@entry=0x7f6fbcdc6d08 "malloc(): mismatching next->prev_size (unsorted)") at ./malloc/malloc.c:5765
 _int_malloc (av=av@entry=0x7f6fbce5dca0 <main_arena>, bytes=bytes@entry=208) at ./malloc/malloc.c:4076
 __GI___libc_malloc (bytes=208) at ./malloc/malloc.c:3329
 _XEnq () at /lib/x86_64-linux-gnu/libX11.so.6
Title: gnome-flashback-polkit assert failure: malloc(): mismatching next->prev_size (unsorted)
UpgradeStatus: Upgraded to mantic on 2023-09-23 (0 days ago)
UserGroups: adm cdrom dip lpadmin lxd plugdev sambashare sudo
separator:

[Apport retracing service (apport)]

StacktraceTop:
 __libc_message (fmt=fmt@entry=0x7f6fbcdc3b34 "%s\n") at ../sysdeps/posix/libc_fatal.c:150
 malloc_printerr (str=str@entry=0x7f6fbcdc6d08 "malloc(): mismatching next->prev_size (unsorted)") at ./malloc/malloc.c:5765
 _int_malloc (av=av@entry=0x7f6fbce5dca0 <main_arena>, bytes=bytes@entry=208) at ./malloc/malloc.c:4076
 __GI___libc_malloc (bytes=bytes@entry=208) at ./malloc/malloc.c:3329
 _XEnq (dpy=dpy@entry=0x55b5ac108e30, event=event@entry=0x55b5ac2e3ed0) at ../../src/XlibInt.c:749

[Claus7 (lastexile7gr)]

the same happened to noble development

[Launchpad Janitor (janitor)]

This bug was fixed in the package gnome-flashback - 3.52.1-2ubuntu1

---------------
gnome-flashback (3.52.1-2ubuntu1) noble; urgency=medium

  * Merge with Debian unstable, remaining changes:
    - debian/rules, debian/gnome-session-flashback.maintscript:
      + Add an epoch number to gnome-session-flashback package.
    - debian/gnome-session-flashback.gsettings-override:
      + Disable not needed status-notifier-watcher component.
      + Add the default settings for GNOME Flashback sessions.
    - debian/control:
      + Use Ubuntu VCS fields.
      + Build-depend on libcompizconfig0-dev to enable Compiz session
        support.
      + Make gnome-session-flashback depend on dbus-user-session,
        gsettings-desktop-schemas ≥ 40, indicator-common, ubuntu-mono
        and yaru-theme-gtk.
      + Make gnome-session-flashback suggest compiz.
      + Add Ubuntu epoch to the required nautilus version.
    - debian/patches/support-indicator-keyboard.diff:
      + Support “org.gnome.desktop.input-sources current” key, to make
        indicator-keyboard working.
    - debian/patches/load_indicators.diff:
      + Load indicators when starting the session via systemd.
    - debian/patches/snap_store.diff:
      + Replace GNOME Software with Snap Store in the Applications menu.
    - debian/gnome-session-flashback.install:
      + Install compiz session script and configuration files.
  * Override picture-uri to use the default Ubuntu wallpaper.
    - Make gnome-session-flashback recommend ubuntu-wallpapers.

 -- Dmitry Shachnev <email address hidden> Mon, 15 Apr 2024 23:15:33 +0300