marco crashed with SIGSEGV in malloc_consolidate()

[Kurt Semler]

When launching firefox.

ProblemType: Crash
DistroRelease: Ubuntu 18.04
Package: marco 1.20.1-0ubuntu1
Uname: Linux 4.16.0-041600-lowlatency x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.9-0ubuntu4
Architecture: amd64
CurrentDesktop: MATE
Date: Fri Apr 6 15:03:00 2018
ExecutablePath: /usr/bin/marco
InstallationDate: Installed on 2017-01-01 (460 days ago)
InstallationMedia: Ubuntu-MATE 16.10 "Yakkety Yak" - Release amd64 (20161012.1)
ProcCmdline: marco --sm-client-id 101fdd82d9966db74152238423074770600000015050047
ProcEnviron:
 LANGUAGE=en_US
 PATH=(custom, user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x7fbafbedf93c <malloc_consolidate+44>: mov 0x8(%rax),%rsi
 PC (0x7fbafbedf93c) ok
 source "0x8(%rax)" (0x561900000007) not located in a known VMA region (needed readable region)!
 destination "%rsi" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: marco
StacktraceTop:
 malloc_consolidate (av=av@entry=0x7fbafc23ac40 <main_arena>) at malloc.c:4439
 _int_malloc (av=av@entry=0x7fbafc23ac40 <main_arena>, bytes=bytes@entry=4096) at malloc.c:3703
 __GI___libc_malloc (bytes=bytes@entry=4096) at malloc.c:3065
 __GI__IO_file_doallocate (fp=0x56186542b200) at filedoalloc.c:101
 __GI__IO_doallocbuf (fp=fp@entry=0x56186542b200) at genops.c:365
Title: marco crashed with SIGSEGV in malloc_consolidate()
UpgradeStatus: Upgraded to bionic on 2018-03-29 (8 days ago)
UserGroups: adm cdrom dip lpadmin plex plugdev sambashare sudo

[Apport retracing service (apport)]

StacktraceTop:
 malloc_consolidate (av=av@entry=0x7fbafc23ac40 <main_arena>) at malloc.c:4439
 _int_malloc (av=av@entry=0x7fbafc23ac40 <main_arena>, bytes=bytes@entry=4096) at malloc.c:3703
 __GI___libc_malloc (bytes=bytes@entry=4096) at malloc.c:3065
 __GI__IO_file_doallocate (fp=0x56186542b200) at filedoalloc.c:101
 __GI__IO_doallocbuf (fp=fp@entry=0x56186542b200) at genops.c:365

[Martin Wimpress  (flexiondotorg)]

Fixed via marco 1.24.1-0ubuntu1 in Ubuntu Groovy.