xfburn crashed with SIGSEGV in malloc_consolidate()

[Stephen Michael Kellat]

I left the laptop idle on a stable surface to burn an ISO file after previously failing to burn a disc. After touching the touchpad to resume the session after burning completed, this error was presented.

ProblemType: Crash
DistroRelease: Ubuntu 18.04
Package: xfburn 0.5.5-1
ProcVersionSignature: Ubuntu 4.15.0-10.11-generic 4.15.3
Uname: Linux 4.15.0-10-generic x86_64
ApportVersion: 2.20.8-0ubuntu10
Architecture: amd64
CurrentDesktop: XFCE
Date: Sun Mar 4 12:58:39 2018
ExecutablePath: /usr/bin/xfburn
InstallationDate: Installed on 2017-10-24 (130 days ago)
InstallationMedia: Xubuntu 17.10 "Artful Aardvark" - Release amd64 (20171017.1)
ProcCmdline: xfburn
ProcEnviron:
 LANGUAGE=en_US
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x7f723a82ca06 <malloc_consolidate+246>: cmp %rcx,0x10(%r9)
 PC (0x7f723a82ca06) ok
 source "%rcx" ok
 destination "0x10(%r9)" (0x00000010) not located in a known VMA region (needed writable region)!
SegvReason: writing NULL VMA
Signal: 11
SourcePackage: xfburn
StacktraceTop:
 malloc_consolidate (av=av@entry=0x7f723ab87c40 <main_arena>) at malloc.c:4464
 _int_malloc (av=av@entry=0x7f723ab87c40 <main_arena>, bytes=bytes@entry=5428) at malloc.c:3703
 __GI___libc_malloc (bytes=5428) 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: xfburn crashed with SIGSEGV in malloc_consolidate()
UpgradeStatus: Upgraded to bionic on 2018-02-19 (13 days ago)
UserGroups: adm cdrom dip lpadmin lxd plugdev sambashare sudo

[Brian Murray (brian-murray)]

StacktraceTop:
 malloc_consolidate (av=av@entry=0x7f723ab87c40 <main_arena>) at malloc.c:4464
 _int_malloc (av=av@entry=0x7f723ab87c40 <main_arena>, bytes=bytes@entry=5428) at malloc.c:3703
 __GI___libc_malloc (bytes=5428) at malloc.c:3065
 read_packet (c=0x55dd80b71f60) at ../../src/xcb_in.c:259
 _xcb_in_read (c=c@entry=0x55dd80b71f60) at ../../src/xcb_in.c:1012