Public bug reported:
I got this crash after rebooting my computer
ProblemType: Crash
DistroRelease: Ubuntu 26.04
Package: lxqt-session 2.2.0-0ubuntu1
ProcVersionSignature: Ubuntu 6.17.0-8.8-generic 6.17.2
Uname: Linux 6.17.0-8-generic x86_64
ApportVersion: 2.33.1-0ubuntu3
Architecture: amd64
AssertionMessage: malloc_consolidate(): unaligned fastbin chunk detected
CasperMD5CheckResult: unknown
CurrentDesktop: LXQt
Date: Wed Dec 17 14:50:49 2025
ExecutablePath: /usr/bin/lxqt-session
ExecutableTimestamp: 1752168579
InstallationDate: Installed on 2025-09-09 (99 days ago)
InstallationMedia: Lubuntu 25.04 "Plucky Puffin" - Release amd64 (20250417)
ProcCmdline: lxqt-session
ProcCwd: /home/davide
Signal: 6
SignalName: SIGABRT
SourcePackage: lxqt-session
StacktraceTop:
__libc_message_impl (fmt=fmt@entry=0x7f831afde942 "%s\n") at
../sysdeps/posix/libc_fatal.c:138
malloc_printerr (str=str@entry=0x7f831afe1918 "malloc_consolidate(): unaligned
fastbin chunk detected") at ./malloc/malloc.c:5892
malloc_consolidate (av=<optimized out>) at ./malloc/malloc.c:4964
_int_free_maybe_consolidate (av=0x7f831b033ac0 <main_arena>, size=<optimized
out>) at ./malloc/malloc.c:4897
_int_free_chunk (av=0x7f831b033ac0 <main_arena>, p=<optimized out>,
size=<optimized out>, have_lock=<optimized out>) at ./malloc/malloc.c:4729
Title: lxqt-session assert failure: malloc_consolidate(): unaligned fastbin
chunk detected
UpgradeStatus: Upgraded to resolute on 2025-10-17 (61 days ago)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
mtime.conffile..etc.apport.crashdb.conf: 2025-12-13T23:32:16.322793
separator:
** Affects: lxqt-session (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-crash need-amd64-retrace resolute
** Information type changed from Private to Public
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https://bugs.launchpad.net/bugs/2136744
Title:
lxqt-session assert failure: malloc_consolidate(): unaligned fastbin
chunk detected
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