avconv crashed with SIGSEGV in malloc_consolidate()

[John Markh]

avconv has crashed.

$ lsb_release -rd
Description: Ubuntu Trusty Tahr (development branch)
Release: 14.04

$ apt-cache policy libav-tools
libav-tools:
  Installed: 6:9.11-2ubuntu1
  Candidate: 6:9.11-2ubuntu1
  Version table:
 *** 6:9.11-2ubuntu1 0
        500 http://ca.archive.ubuntu.com/ubuntu/ trusty/universe amd64 Packages
        100 /var/lib/dpkg/status

ProblemType: Crash
DistroRelease: Ubuntu 14.04
Package: libav-tools 6:9.11-2ubuntu1
ProcVersionSignature: Ubuntu 3.13.0-16.36-generic 3.13.5
Uname: Linux 3.13.0-16-generic x86_64
ApportVersion: 2.13.3-0ubuntu1
Architecture: amd64
CurrentDesktop: GNOME
Date: Sun Mar 9 10:59:27 2014
ExecutablePath: /usr/bin/avconv
InstallationDate: Installed on 2013-12-28 (71 days ago)
InstallationMedia: Ubuntu-GNOME 14.04 "Trusty Tahr" - Alpha amd64 (20131219)
ProcCmdline: avconv -i 2014-03-08,\ Cultural\ Program\ at\ Home\ with\ Grandma.mp4 -threads 4 -s hd480 -vb 2048k -deadline best -f webm 2014-03-08,\ Cultural\ Program\ at\ Home\ with\ Grandma.mp4.webm
SegvAnalysis:
 Segfault happened at: 0x7fc6523334d5 <malloc_consolidate+133>: cmp 0x18(%rax),%r12
 PC (0x7fc6523334d5) ok
 source "0x18(%rax)" (0xdfd71a44a5d4f6c1) not located in a known VMA region (needed readable region)!
 destination "%r12" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: libav
StacktraceTop:
 malloc_consolidate (av=av@entry=0x7fc652673760 <main_arena>) at malloc.c:4165
 _int_malloc (av=0x7fc652673760 <main_arena>, bytes=9296) at malloc.c:3423
 _int_memalign (av=0x7fc652673760 <main_arena>, alignment=32, bytes=1459817819648927439, bytes@entry=9216) at malloc.c:4403
 _mid_memalign (alignment=32, bytes=9216, address=<optimized out>) at malloc.c:3106
 __posix_memalign (memptr=0x7fff4ec57cf8, alignment=18446744073709551615, size=140734514952320) at malloc.c:5016
Title: avconv crashed with SIGSEGV in malloc_consolidate()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo users vboxusers

[Apport retracing service (apport)]

StacktraceTop:
 malloc_consolidate (av=av@entry=0x7fc652673760 <main_arena>) at malloc.c:4165
 _int_malloc (av=0x7fc652673760 <main_arena>, bytes=9296) at malloc.c:3423
 _int_memalign (av=0x7fc652673760 <main_arena>, alignment=32, bytes=1459817819648927439, bytes@entry=9216) at malloc.c:4403
 _mid_memalign (alignment=32, bytes=9216, address=<optimized out>) at malloc.c:3106
 __posix_memalign (memptr=0x7fff4ec57cf8, alignment=18446744073709551615, size=140734514952320, size@entry=32) at malloc.c:5016

[Sebastian Ramacher (s-ramacher)]

Could you please test if that still happens with libav-tools 11.2-1?

[Launchpad Janitor (janitor)]

[Expired for libav (Ubuntu) because there has been no activity for 60 days.]