mythpreviewgen assert failure: *** Error in `mythpreviewgen': malloc(): memory corruption: 0x0000000000a5e5a0 ***

[Glenn Brumfield]

Attempted to view OTA Recording which crashed Mythfrontend. Mythfrontend auto-restarted - shortly thereafter this bug report was auto-generated.

ProblemType: Crash
DistroRelease: Ubuntu 14.04
Package: mythtv-backend 2:0.27.4+fixes.20150520.8332919-0ubuntu0mythbuntu4 [origin: LP-PPA-mythbuntu-0.27]
ProcVersionSignature: Ubuntu 3.16.0-38.52~14.04.1-generic 3.16.7-ckt10
Uname: Linux 3.16.0-38-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.14.1-0ubuntu3.10
Architecture: amd64
AssertionMessage: *** Error in `mythpreviewgen': malloc(): memory corruption: 0x0000000000a5e5a0 ***
CrashCounter: 1
CrashDB: mythbuntu
Date: Wed May 20 15:48:37 2015
ExecutablePath: /usr/bin/mythpreviewgen
InstallationDate: Installed on 2015-03-10 (71 days ago)
InstallationMedia: Mythbuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
Installed_mythtv_dbg: 2:0.27.4+fixes.20150520.8332919-0ubuntu0mythbuntu4
ProcCmdline: mythpreviewgen --size 0x0 --chanid 1082 --starttime 20150517203000 --verbose general --loglevel info --quiet --syslog local7
ProcEnviron:
 TERM=linux
 PATH=(custom, no user)
 LANG=en_US.UTF-8
Signal: 6
SourcePackage: mythtv
StacktraceTop:
 __libc_message (do_abort=1, fmt=fmt@entry=0x7fe712463b28 "*** Error in `%s': %s: 0x%s ***\n") at ../sysdeps/posix/libc_fatal.c:175
 malloc_printerr (ptr=0xa5e5a0, str=0x7fe71245fc9a "malloc(): memory corruption", action=<optimized out>) at malloc.c:4996
 _int_malloc (av=0x7fe7126a0760 <main_arena>, bytes=96) at malloc.c:3447
 _int_memalign (av=0x7fe7126a0760 <main_arena>, alignment=32, bytes=6, bytes@entry=16) at malloc.c:4403
 _mid_memalign (alignment=32, bytes=16, address=<optimized out>) at malloc.c:3106
Title: mythpreviewgen assert failure: *** Error in `mythpreviewgen': malloc(): memory corruption: 0x0000000000a5e5a0 ***
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: audio cdrom dialout video