xfdesktop crashed with SIGSEGV in malloc_consolidate()

[David Kastrup]

Wakeup after suspend-to-ram, immediately followed by the crash.

ProblemType: Crash
DistroRelease: Ubuntu 18.10
Package: xfdesktop4 4.13.2-0ubuntu1
ProcVersionSignature: Ubuntu 4.17.0-9.10-lowlatency 4.17.17
Uname: Linux 4.17.0-9-lowlatency x86_64
ApportVersion: 2.20.10-0ubuntu9
Architecture: amd64
CrashCounter: 1
CurrentDesktop: XFCE
Date: Sat Sep 1 01:07:06 2018
ExecutablePath: /usr/bin/xfdesktop
InstallationDate: Installed on 2011-10-14 (2513 days ago)
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111011)
ProcCmdline: xfdesktop --display :0.0 --sm-client-id 2f1767d95-cd68-4ef9-8cc1-b6f11f43976c
SegvAnalysis:
 Segfault happened at: 0x7f39db09d9a5 <malloc_consolidate+149>: cmp %rax,0x10(%r13)
 PC (0x7f39db09d9a5) ok
 source "%rax" ok
 destination "0x10(%r13)" (0x7f3900000011) not located in a known VMA region (needed writable region)!
SegvReason: writing unknown VMA
Signal: 11
SourcePackage: xfdesktop4
StacktraceTop:
 malloc_consolidate (av=av@entry=0x7f39db3f8c40 <main_arena>) at malloc.c:4456
 _int_malloc (av=av@entry=0x7f39db3f8c40 <main_arena>, bytes=bytes@entry=3340) at malloc.c:3703
 __GI___libc_malloc (bytes=3340) at malloc.c:3065
 () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
 () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
Title: xfdesktop crashed with SIGSEGV in malloc_consolidate()
UpgradeStatus: Upgraded to cosmic on 2018-07-30 (32 days ago)
UserGroups: adm admin audio cdrom dialout fax floppy lpadmin lxd plugdev pulse-access sambashare

[Apport retracing service (apport)]

StacktraceTop:
 malloc_consolidate (av=av@entry=0x7f39db3f8c40 <main_arena>) at malloc.c:4456
 _int_malloc (av=av@entry=0x7f39db3f8c40 <main_arena>, bytes=bytes@entry=3340) at malloc.c:3703
 __GI___libc_malloc (bytes=3340) at malloc.c:3065
 read_packet (c=0x55d253560a30) at ../../src/xcb_in.c:259
 _xcb_in_read (c=c@entry=0x55d253560a30) at ../../src/xcb_in.c:1018

[Sean Davis (bluesabre)]

Xubuntu 18.10 is EOL. Marking this ticket as closed. If you are able to reproduce in a recent supported release (focal, impish, jammy), please reopen this ticket or create a new one. Thanks!