Public bug reported:
I discovered this bug when I tried to take a snapshot of "I Died in a
Car Crash" contemporary dance video by Ana Zimhart
(https://www.youtube.com/watch?v=eoocJ3euHy8), which the video itself
had been downloaded long time ago.
When the video played at time position 1:37 (when Ana did
headstand/handstand [baby freeze headstand] trick) I took a snapshot two
times. The first attempt succeed, but the second attempt triggered
double free crash.
Examining log (tail) when running vlc with `vlc -vvv`, I got:
[00007f55c81ee320] main filter debug: using video converter module
"vaapi_filters"
[00007f55c844abc0] main filter debug: Filter 'VAAPI filters' (0x7f55c81ee320)
appended to chain
[00007f55c8563940] main filter debug: looking for video converter module
matching "any": 23 candidates
[00007f55c8563940] swscale filter debug: 540x360 (544x368) chroma: I420 ->
540x360 (544x368) chroma: YUVA with scaling using Bicubic (good quality)
[00007f55c8563940] main filter debug: using video converter module "swscale"
[00007f55c844abc0] main filter debug: Filter 'Swscale' (0x7f55c8563940)
appended to chain
[00007f55c844abc0] main filter debug: using video converter module "chain"
[00007f55c844abc0] main filter debug: removing module "chain"
[00007f55c81ee320] main filter debug: removing module "vaapi_filters"
double free or corruption (!prev)
ProblemType: Crash
DistroRelease: Ubuntu 20.04
Package: vlc-bin 3.0.9.2-1
ProcVersionSignature: Ubuntu 5.4.0-33.37-generic 5.4.34
Uname: Linux 5.4.0-33-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.11-0ubuntu27.8
Architecture: amd64
AssertionMessage: double free or corruption (!prev)
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Wed Sep 9 16:14:10 2020
ExecutablePath: /usr/bin/vlc
ExecutableTimestamp: 1586460584
InstallationDate: Installed on 2020-05-05 (126 days ago)
InstallationMedia: Ubuntu-MATE 20.04 LTS "Focal Fossa" - Release amd64
(20200423)
ProcCmdline: vlc -vvv I\ Died\ in\ a\ Car\ Crash\ -\ Contemporary\ Solo.mp4
ProcCwd: /home/bagas/vlc-bug
Signal: 6
SourcePackage: vlc
StacktraceTop:
__libc_message (action=action@entry=do_abort, fmt=fmt@entry=0x7f55f8fdf285
"%s\n") at ../sysdeps/posix/libc_fatal.c:155
malloc_printerr (str=str@entry=0x7f55f8fe1690 "double free or corruption
(!prev)") at malloc.c:5347
_int_free (av=Quit
Title: vlc assert failure: double free or corruption (!prev)
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin lxd plugdev sambashare sudo
modified.conffile..etc.apport.crashdb.conf: [modified]
mtime.conffile..etc.apport.crashdb.conf: 2020-08-11T18:33:58.913741
separator:
** Affects: vlc (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-crash focal need-amd64-retrace
** Attachment added: "vlc -vvv log"
https://bugs.launchpad.net/bugs/1894968/+attachment/5408977/+files/vlc-vvv.log
** Information type changed from Private to Public
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1894968
Title:
vlc assert failure: double free or corruption (!prev) when taking
screenshot the second time on same time position
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/vlc/+bug/1894968/+subscriptions
--
ubuntu-bugs mailing list
ubuntu-bugs@lists.ubuntu.com
https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
