[amarok] [Bug 328359] Amarok crashes when using MusicBrains to update tags [@ MusicBrainzTagsItem::childCount]

[Myriam Schweingruber]

https://bugs.kde.org/show_bug.cgi?id=328359

--- Comment #74 from Myriam Schweingruber  ---
*** Bug 385138 has been marked as a duplicate of this bug. ***

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[amarok] [Bug 328359] Amarok crashes when using MusicBrains to update tags [@ MusicBrainzTagsItem::childCount]

[Myriam Schweingruber]

https://bugs.kde.org/show_bug.cgi?id=328359

Myriam Schweingruber  changed:

   What|Removed |Added

   Version Fixed In||2.9

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[amarok] [Bug 328359] Amarok crashes when using MusicBrains to update tags [@ MusicBrainzTagsItem::childCount]

[Myriam Schweingruber]

https://bugs.kde.org/show_bug.cgi?id=328359

Myriam Schweingruber  changed:

   What|Removed |Added

 CC||fabricio_fdop_007@hotmail.c
   ||om

--- Comment #73 from Myriam Schweingruber  ---
*** Bug 384949 has been marked as a duplicate of this bug. ***

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[amarok] [Bug 328359] Amarok crashes when using MusicBrains to update tags [@ MusicBrainzTagsItem::childCount]

[Sergey Ivanov]

https://bugs.kde.org/show_bug.cgi?id=328359

Sergey Ivanov <123k...@gmail.com> changed:

   What|Removed |Added

 Status|CONFIRMED   |RESOLVED
  Latest Commit||https://commits.kde.org/ama
   ||rok/88ee85a8333cf54dc123fef
   ||5e07a1c92ab9f7261
 Resolution|--- |FIXED

--- Comment #72 from Sergey Ivanov <123k...@gmail.com> ---
Git commit 88ee85a8333cf54dc123fef5e07a1c92ab9f7261 by Sergey Ivanov.
Committed on 20/08/2017 at 08:28.
Pushed by ivanov into branch 'master'.

Fix crash during musicbrainz search.
REVIEW: 130232

M  +2-1ChangeLog
M  +3-3src/musicbrainz/MusicBrainzFinder.cpp
M  +1-2src/musicbrainz/MusicBrainzFinder.h
M  +68   -120  src/musicbrainz/MusicBrainzTagsItem.cpp
M  +5-1src/musicbrainz/MusicBrainzTagsItem.h
M  +57   -9src/musicbrainz/MusicBrainzTagsModel.cpp
M  +2-0src/musicbrainz/MusicBrainzTagsModel.h
M  +2-1src/musicbrainz/MusicBrainzXmlParser.cpp
M  +1-1src/musicbrainz/MusicBrainzXmlParser.h

https://commits.kde.org/amarok/88ee85a8333cf54dc123fef5e07a1c92ab9f7261

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[amarok] [Bug 328359] Amarok crashes when using MusicBrains to update tags [@ MusicBrainzTagsItem::childCount]

[Myriam Schweingruber]

https://bugs.kde.org/show_bug.cgi?id=328359

Myriam Schweingruber  changed:

   What|Removed |Added

 CC||alan.c.lidd...@gmail.com

--- Comment #71 from Myriam Schweingruber  ---
*** Bug 383215 has been marked as a duplicate of this bug. ***

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[amarok] [Bug 328359] Amarok crashes when using MusicBrains to update tags [@ MusicBrainzTagsItem::childCount]

[Argyris M]

https://bugs.kde.org/show_bug.cgi?id=328359

Argyris M  changed:

   What|Removed |Added

 CC||argy...@gmail.com

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[amarok] [Bug 328359] Amarok crashes when using MusicBrains to update tags [@ MusicBrainzTagsItem::childCount]

[Myriam Schweingruber]

https://bugs.kde.org/show_bug.cgi?id=328359

Myriam Schweingruber  changed:

   What|Removed |Added

 CC||kri...@kristawhipple.com

--- Comment #70 from Myriam Schweingruber  ---
*** Bug 379119 has been marked as a duplicate of this bug. ***

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[amarok] [Bug 328359] Amarok crashes when using MusicBrains to update tags [@ MusicBrainzTagsItem::childCount]

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=328359

--- Comment #69 from m_loui...@yahoo.com ---
The crash is caused by this code around
musicbrainz/MusicBrainzTagsModel.cpp:205:

if( !index.isValid() || !parent( index ).isValid() )
  [...] static_cast(
index.internalPointer())->childCount() [...]

ie the internal pointer of an invalid item is dereferenced. Checking that the
pointer in not null before using it makes the crash go away:

if( !index.isValid() || !parent( index ).isValid() )
{
// Disable items with no children.
MusicBrainzTagsItem *item = static_cast(
index.internalPointer() );
if ( !item || item->childCount() == 0 )
return QAbstractItemModel::flags( index ) ^ Qt::ItemIsEnabled;
}

When the crash is gone, empty rows show up in the track list. The corresponding
QModelIndex are invalid, and I think these are the ones created in
MusicBrainzTagsModel::index when childItem is null. This should not happen,
because in principle row < parentItem->childCount(), but sometimes it's not the
case.

I suspect the check for !parent.isValid() in MusicBrainzTagsModel::rowCount may
be the root cause of everything, but I was unable to understand how to fix the
problem.

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[amarok] [Bug 328359] Amarok crashes when using MusicBrains to update tags [@ MusicBrainzTagsItem::childCount]

[Myriam Schweingruber]

https://bugs.kde.org/show_bug.cgi?id=328359

Myriam Schweingruber  changed:

   What|Removed |Added

 CC||mattiil...@gmail.com

--- Comment #68 from Myriam Schweingruber  ---
*** Bug 378323 has been marked as a duplicate of this bug. ***

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[amarok] [Bug 328359] Amarok crashes when using MusicBrains to update tags [@ MusicBrainzTagsItem::childCount]

[Myriam Schweingruber]

https://bugs.kde.org/show_bug.cgi?id=328359

Myriam Schweingruber  changed:

   What|Removed |Added

 CC||edwardb_...@shaw.ca

--- Comment #67 from Myriam Schweingruber  ---
*** Bug 377854 has been marked as a duplicate of this bug. ***

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[amarok] [Bug 328359] Amarok crashes when using MusicBrains to update tags [@ MusicBrainzTagsItem::childCount]

[Argyris M]

https://bugs.kde.org/show_bug.cgi?id=328359

Argyris M  changed:

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 CC|argy...@gmail.com   |

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[amarok] [Bug 328359] Amarok crashes when using MusicBrains to update tags [@ MusicBrainzTagsItem::childCount]

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=328359

nicolas.religi...@laposte.net changed:

   What|Removed |Added

 CC||nicolas.religieux@laposte.n
   ||et

--- Comment #66 from nicolas.religi...@laposte.net ---
Hi, 
Same issue when I use the MusicBrainz tagging

Application: amarok (2.8.0)
KDE Platform Version: 4.14.22
Qt Version: 4.8.7
Operating System: Linux 4.8.0-41-generic x86_64
Distribution: Ubuntu 16.10



The crash can be reproduced every time.

-- Backtrace:
Application: Amarok (amarok), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f43ebc25d80 (LWP 4086))]

Thread 39 (Thread 0x7f434d885700 (LWP 4130)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x7f43e7a33e2a in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x7f43e7a33e59 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x7f43e743f6ca in start_thread (arg=0x7f434d885700) at
pthread_create.c:333
#4  0x7f43e88a80af in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 38 (Thread 0x7f436495b700 (LWP 4129)):
#0  0x7f43e889c0bd in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x7f43e2a169d6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x7f43e2a16aec in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x7f43e90aa22e in
QEventDispatcherGlib::processEvents(QFlags) ()
from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#4  0x7f43e907812f in
QEventLoop::processEvents(QFlags) () from
/usr/lib/x86_64-linux-gnu/libQtCore.so.4
#5  0x7f43e9078495 in
QEventLoop::exec(QFlags) () from
/usr/lib/x86_64-linux-gnu/libQtCore.so.4
#6  0x7f43e8f67549 in QThread::exec() () from
/usr/lib/x86_64-linux-gnu/libQtCore.so.4
#7  0x7f43e8f69e3c in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#8  0x7f43e743f6ca in start_thread (arg=0x7f436495b700) at
pthread_create.c:333
#9  0x7f43e88a80af in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 37 (Thread 0x7f4365e06700 (LWP 4126)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x7f43e0d736fd in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#2  0x7f43e0d73759 in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#3  0x7f43e743f6ca in start_thread (arg=0x7f4365e06700) at
pthread_create.c:333
#4  0x7f43e88a80af in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 36 (Thread 0x7f43855a9700 (LWP 4125)):
#0  0x7f43e889c0bd in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x7f43e2a169d6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x7f43e2a16aec in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x7f43e90aa22e in
QEventDispatcherGlib::processEvents(QFlags) ()
from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#4  0x7f43e907812f in
QEventLoop::processEvents(QFlags) () from
/usr/lib/x86_64-linux-gnu/libQtCore.so.4
#5  0x7f43e9078495 in
QEventLoop::exec(QFlags) () from
/usr/lib/x86_64-linux-gnu/libQtCore.so.4
#6  0x7f43e8f67549 in QThread::exec() () from
/usr/lib/x86_64-linux-gnu/libQtCore.so.4
#7  0x7f43e90581c3 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#8  0x7f43e8f69e3c in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#9  0x7f43e743f6ca in start_thread (arg=0x7f43855a9700) at
pthread_create.c:333
#10 0x7f43e88a80af in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 35 (Thread 0x7f4385ffb700 (LWP 4124)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x7f43e8f6a3a6 in QWaitCondition::wait(QMutex*, unsigned long) () from
/usr/lib/x86_64-linux-gnu/libQtCore.so.4
#2  0x7f43e6481180 in ?? () from /usr/lib/libthreadweaver.so.4
#3  0x7f43e64839e3 in ?? () from /usr/lib/libthreadweaver.so.4
#4  0x7f43e64824dd in ThreadWeaver::Thread::run() () from
/usr/lib/libthreadweaver.so.4
#5  0x7f43e8f69e3c in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#6  0x7f43e743f6ca in start_thread (arg=0x7f4385ffb700) at
pthread_create.c:333
#7  0x7f43e88a80af in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 34 (Thread 0x7f43867fc700 (LWP 4123)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x7f43e8f6a3a6 in QWaitCondition::wait(QMutex*, unsigned long) () from
/usr/lib/x86_64-linux-gnu/libQtCore.so.4
#2  0x7f43e6481180 in ?? () from /usr/lib/libthreadweaver.so.4
#3  0x7f43e64839e3 in ?? () from /usr/lib/libthreadweaver.so.4
#4  0x7f43e64839fc in ?? () from 

[amarok] [Bug 328359] Amarok crashes when using MusicBrains to update tags [@ MusicBrainzTagsItem::childCount]

[Andy Bach]

https://bugs.kde.org/show_bug.cgi?id=328359

Andy Bach  changed:

   What|Removed |Added

 CC||afb...@gmail.com

--- Comment #65 from Andy Bach  ---
Consistently crashes when trying to update entire albums tag. Could not
generate backtrace as trying to install debug failed. I thought it might be as
it's not running as root, so tried that - no luck w/ install of debug either. 

Application: amarok (2.8.0)
KDE Platform Version: 4.14.2
Qt Version: 4.8.6
Operating System: Linux 3.13.0-37-generic x86_64
Distribution: Linux Mint 17.1 Rebecca

Did see, from terminal that started amarok
Error: "/tmp/ksocket-andy" is owned by uid 1000 instead of uid 0.
Error: "/tmp/ksocket-andy" is owned by uid 1000 instead of uid 0.
Calling appendChild() on a null node does nothing.
Calling appendChild() on a null node does nothing.
Object::connect: No such slot
MusicBrainzFinder::gotAuthenticationRequest(QNetworkReply*,QAuthenticator*)
KCrash: Application 'amarok' crashing...
KCrash: Attempting to start /usr/lib/kde4/libexec/drkonqi from kdeinit
KCrash: Connect sock_file=/home/andy/.kde/socket-wiwmb-md-afb-mint/kdeinit4__0

>From the attempt to install debug utils:
QSocketNotifier: Invalid socket 48 and type 'Read', disabling...
Unable to start Dr. Konqi
Not forwarding the crash to Apport.
"/usr/bin/amarok": not in executable format: File format not recognized

warning: unable to open /proc file '/proc/16499/status'

warning: unable to open /proc file '/proc/16499/status'
ptrace: No such process.
/tmp/kde-andy/drkonqid16631.tmp:2: Error in sourced command file:
No thread selected
Error: "/var/tmp/kdecache-andy" is owned by uid 1000 instead of uid 0.
"/usr/bin/amarok": not in executable format: File format not recognized

warning: unable to open /proc file '/proc/16499/status'

warning: unable to open /proc file '/proc/16499/status'
ptrace: No such process.
/tmp/kde-andy/drkonqij16631.tmp:2: Error in sourced command file:
No thread selected
QDBusConnection: session D-Bus connection created before QCoreApplication.
Application may misbehave.
QDBusConnection: session D-Bus connection created before QCoreApplication.
Application may misbehave.
Error: "/var/tmp/kdecache-andy" is owned by uid 1000 instead of uid 0.
Object::connect: No such signal
org::freedesktop::UPower::DeviceAdded(QDBusObjectPath)
Object::connect: No such signal
org::freedesktop::UPower::DeviceRemoved(QDBusObjectPath)

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[amarok] [Bug 328359] Amarok crashes when using MusicBrains to update tags [@ MusicBrainzTagsItem::childCount]

[Gerry Agbobada]

https://bugs.kde.org/show_bug.cgi?id=328359

Gerry Agbobada  changed:

   What|Removed |Added

 CC||gagbob...@gmail.com

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[amarok] [Bug 328359] Amarok crashes when using MusicBrains to update tags [@ MusicBrainzTagsItem::childCount]

[Gerry Agbobada]

https://bugs.kde.org/show_bug.cgi?id=328359

--- Comment #64 from Gerry Agbobada  ---
Created attachment 103702
  --> https://bugs.kde.org/attachment.cgi?id=103702=edit
New crash information added by DrKonqi

amarok (2.8.90) on KDE Platform 4.14.26 using Qt 4.8.7

- What I was doing when the application crashed: The crash still happens when
Musicbrainz seems to be done giving suggestions for all the files chosen, even
with fairly recent builds of KDE (Fedora 25 ; plasma-5.8.5, kf5-5.29.0,
qt5-5.7.1)

-- Backtrace (Reduced):
#6  0x7fce9dc73bd1 in QReadWriteLock::lockForRead() () at
/lib64/libQtCore.so.4
#7  0x7fcea05f0c98 in MusicBrainzTagsItem::childCount() const () at
/lib64/libamaroklib.so.1
#8  0x7fcea05f85fb in MusicBrainzTagsModel::flags(QModelIndex const&) const
() at /lib64/libamaroklib.so.1
#9  0x7fce9e8a0b8b in QSortFilterProxyModel::flags(QModelIndex const&)
const () at /lib64/libQtGui.so.4
#10 0x7fce9e85b1a4 in QTreeView::drawRow(QPainter*, QStyleOptionViewItem
const&, QModelIndex const&) const () at /lib64/libQtGui.so.4

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[amarok] [Bug 328359] Amarok crashes when using MusicBrains to update tags [@ MusicBrainzTagsItem::childCount]

[Ben Cooksley]

https://bugs.kde.org/show_bug.cgi?id=328359

Ben Cooksley  changed:

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 CC|quelque_...@yahoo.fr|

--- Comment #63 from Ben Cooksley  ---
Unsubscribing user per abuse report.

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[amarok] [Bug 328359] Amarok crashes when using MusicBrains to update tags [@ MusicBrainzTagsItem::childCount]

[Christoph Feck]

https://bugs.kde.org/show_bug.cgi?id=328359

Christoph Feck  changed:

   What|Removed |Added

 CC||m_loui...@yahoo.com

--- Comment #62 from Christoph Feck  ---
*** Bug 374817 has been marked as a duplicate of this bug. ***

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[amarok] [Bug 328359] Amarok crashes when using MusicBrains to update tags [@ MusicBrainzTagsItem::childCount]

[gorin]

https://bugs.kde.org/show_bug.cgi?id=328359

gorin  changed:

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 CC||gori...@gmail.com

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[amarok] [Bug 328359] Amarok crashes when using MusicBrains to update tags [@ MusicBrainzTagsItem::childCount]

[gorin]

https://bugs.kde.org/show_bug.cgi?id=328359

--- Comment #61 from gorin  ---
Created attachment 102884
  --> https://bugs.kde.org/attachment.cgi?id=102884=edit
New crash information added by DrKonqi

amarok (2.8.0) on KDE Platform 4.14.25 using Qt 4.8.6

- What I was doing when the application crashed:
I was trying to update id3tags for separate mp3 files. When the progress bar
shows 50% and it seems it closes to next value amarok crashes. 
It had updated tags for some files without any errors or crashes, but it
crashes every time for each other mp3 file

-- Backtrace (Reduced):
#6  0x7f61dc4709f1 in QReadWriteLock::lockForRead() () at
/usr/lib64/libQtCore.so.4
#7  0x7f61deb8b4e0 in MusicBrainzTagsItem::childCount() const
(this=) at /usr/include/QtCore/qreadwritelock.h:111
#8  0x7f61deb8b4e0 in MusicBrainzTagsItem::childCount() const
(areadWriteLock=0x38, this=) at
/usr/include/QtCore/qreadwritelock.h:130
#9  0x7f61deb8b4e0 in MusicBrainzTagsItem::childCount() const (this=0x0) at
/usr/src/debug/amarok-2.8.0/src/musicbrainz/MusicBrainzTagsItem.cpp:216
#10 0x7f61deb9117c in MusicBrainzTagsModel::flags(QModelIndex const&) const
(this=0x300a980, index=...) at
/usr/src/debug/amarok-2.8.0/src/musicbrainz/MusicBrainzTagsModel.cpp:210

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[amarok] [Bug 328359] Amarok crashes when using MusicBrains to update tags [@ MusicBrainzTagsItem::childCount]

[Mirko]

https://bugs.kde.org/show_bug.cgi?id=328359

--- Comment #60 from Mirko  ---
Created attachment 102622
  --> https://bugs.kde.org/attachment.cgi?id=102622=edit
New crash information added by DrKonqi

amarok (2.8.0) on KDE Platform 4.14.2 using Qt 4.8.6

- What I was doing when the application crashed: updating metadata from
musicbrainz while amarok was reproducing an mp3 audio file on Linux Mint 17.3

-- Backtrace (Reduced):
#5  QReadWriteLock::lockForRead (this=this@entry=0x38) at
thread/qreadwritelock.cpp:149
#6  0x003acc2f4f80 in relock (this=) at
/usr/include/qt4/QtCore/qreadwritelock.h:111
#7  QReadLocker (areadWriteLock=0x38, this=) at
/usr/include/qt4/QtCore/qreadwritelock.h:130
#8  MusicBrainzTagsItem::childCount (this=0x0) at
../../src/musicbrainz/MusicBrainzTagsItem.cpp:216
#9  0x003acc2fac64 in MusicBrainzTagsModel::flags (this=0x53ed120,
index=...) at ../../src/musicbrainz/MusicBrainzTagsModel.cpp:210

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[amarok] [Bug 328359] Amarok crashes when using MusicBrains to update tags [@ MusicBrainzTagsItem::childCount]

[Mirko]

https://bugs.kde.org/show_bug.cgi?id=328359

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[amarok] [Bug 328359] Amarok crashes when using MusicBrains to update tags [@ MusicBrainzTagsItem::childCount]

[Christoph Feck]

https://bugs.kde.org/show_bug.cgi?id=328359

Christoph Feck  changed:

   What|Removed |Added

 CC||techni...@posteo.de

--- Comment #59 from Christoph Feck  ---
*** Bug 371760 has been marked as a duplicate of this bug. ***

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[amarok] [Bug 328359] Amarok crashes when using MusicBrains to update tags [@ MusicBrainzTagsItem::childCount]

[via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=328359

--- Comment #58 from ygn...@gmail.com ---
I send a bug report about that yesterday. After many try, it seems that the bug
appears when I try to update tags on ogg files only, not on mp3.

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[amarok] [Bug 328359] Amarok crashes when using MusicBrains to update tags [@ MusicBrainzTagsItem::childCount]

[Achim Herwig via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=328359

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[amarok] [Bug 328359] Amarok crashes when using MusicBrains to update tags [@ MusicBrainzTagsItem::childCount]

[Christoph Feck via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=328359

Christoph Feck  changed:

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 CC||ygn...@gmail.com

--- Comment #57 from Christoph Feck  ---
*** Bug 371309 has been marked as a duplicate of this bug. ***

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[amarok] [Bug 328359] Amarok crashes when using MusicBrains to update tags [@ MusicBrainzTagsItem::childCount]

[Myriam Schweingruber via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=328359

Myriam Schweingruber  changed:

   What|Removed |Added

 CC||emichaelb...@mail.com

--- Comment #56 from Myriam Schweingruber  ---
*** Bug 368157 has been marked as a duplicate of this bug. ***

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[amarok] [Bug 328359] Amarok crashes when using MusicBrains to update tags [@ MusicBrainzTagsItem::childCount]

[via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=328359

--- Comment #55 from cirda...@hotmail.com ---
Created attachment 100661
  --> https://bugs.kde.org/attachment.cgi?id=100661=edit
New crash information added by DrKonqi

amarok (2.8.0) on KDE Platform 4.14.18 using Qt 4.8.6

I was updating tags and it was about 25% done when it crashed

-- Backtrace (Reduced):
#6  QReadWriteLock::lockForRead (this=this@entry=0x38) at
thread/qreadwritelock.cpp:149
#7  0x7f524ac3e4e0 in QReadLocker::relock (this=) at
/usr/include/QtCore/qreadwritelock.h:111
#8  QReadLocker::QReadLocker (areadWriteLock=0x38, this=) at
/usr/include/QtCore/qreadwritelock.h:130
#9  MusicBrainzTagsItem::childCount (this=0x0) at
/usr/src/debug/amarok-2.8.0/src/musicbrainz/MusicBrainzTagsItem.cpp:216
#10 0x7f524ac4417c in MusicBrainzTagsModel::flags (this=0x3308530,
index=...) at
/usr/src/debug/amarok-2.8.0/src/musicbrainz/MusicBrainzTagsModel.cpp:210

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[amarok] [Bug 328359] Amarok crashes when using MusicBrains to update tags [@ MusicBrainzTagsItem::childCount]

[via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=328359

cirda...@hotmail.com changed:

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 CC||cirda...@hotmail.com

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[amarok] [Bug 328359] Amarok crashes when using MusicBrains to update tags [@ MusicBrainzTagsItem::childCount]

[Manuel López-Ibáñez via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=328359

Manuel López-Ibáñez  changed:

   What|Removed |Added

 CC||lopeziba...@gmail.com

--- Comment #54 from Manuel López-Ibáñez  ---
Created attachment 100474
  --> https://bugs.kde.org/attachment.cgi?id=100474=edit
output of amarok --debug up to crash

Same crash. Adding the output of 'amarok --debug' in case it is useful.

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[amarok] [Bug 328359] Amarok crashes when using MusicBrains to update tags [@ MusicBrainzTagsItem::childCount]

[Myriam Schweingruber via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=328359

Myriam Schweingruber  changed:

   What|Removed |Added

 CC||djordje.vujno...@gmail.com

--- Comment #53 from Myriam Schweingruber  ---
*** Bug 364761 has been marked as a duplicate of this bug. ***

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[amarok] [Bug 328359] Amarok crashes when using MusicBrains to update tags [@ MusicBrainzTagsItem::childCount]

[Myriam Schweingruber via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=328359

Myriam Schweingruber  changed:

   What|Removed |Added

 CC||pello...@gmail.com

--- Comment #52 from Myriam Schweingruber  ---
*** Bug 364415 has been marked as a duplicate of this bug. ***

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[amarok] [Bug 328359] Amarok crashes when using MusicBrains to update tags [@ MusicBrainzTagsItem::childCount]

[Myriam Schweingruber via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=328359

Myriam Schweingruber  changed:

   What|Removed |Added

 CC||prola...@t-online.de

--- Comment #51 from Myriam Schweingruber  ---
*** Bug 364235 has been marked as a duplicate of this bug. ***

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[amarok] [Bug 328359] Amarok crashes when using MusicBrains to update tags [@ MusicBrainzTagsItem::childCount]

[Adnan Kurniawan via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=328359

--- Comment #50 from Adnan Kurniawan  ---
Created attachment 98659
  --> https://bugs.kde.org/attachment.cgi?id=98659=edit
New crash information added by DrKonqi

amarok (2.8.0) on KDE Platform 4.14.9 using Qt 4.8.6

- What I was doing when the application crashed:
using MusicBrainz to update song tags when it crashed.

-- Backtrace (Reduced):
#5  0x7fecd1e40611 in QReadWriteLock::lockForRead() (this=0x38) at
thread/qreadwritelock.cpp:149
#6  0x7fecd3c7b600 in  () at /usr/lib64/libamaroklib.so.1
#7  0x7fecd3c812bc in  () at /usr/lib64/libamaroklib.so.1
#8  0x7fecd29fb5fb in QSortFilterProxyModel::flags(QModelIndex const&)
const () at /usr/lib64/libQtGui.so.4
#9  0x7fecd29bb471 in QTreeView::drawRow(QPainter*, QStyleOptionViewItem
const&, QModelIndex const&) const () at /usr/lib64/libQtGui.so.4

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[amarok] [Bug 328359] Amarok crashes when using MusicBrains to update tags [@ MusicBrainzTagsItem::childCount]

[via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=328359

--- Comment #49 from f.thies...@gmx.de ---
Created attachment 98283
  --> https://bugs.kde.org/attachment.cgi?id=98283=edit
New crash information added by DrKonqi

amarok (2.8.0) on KDE Platform 4.14.18 using Qt 4.8.6

- What I was doing when the application crashed:

Getting information from musikbraninz, until 100% everything is fine.
It crashed after reaching 100%.
(System: openSUSE leap 42.1 KDE5 x86_64)

-- Backtrace (Reduced):
#6  QReadWriteLock::lockForRead (this=this@entry=0x38) at
thread/qreadwritelock.cpp:149
#7  0x7f5c46f51570 in relock (this=) at
/usr/include/QtCore/qreadwritelock.h:111
#8  QReadLocker (areadWriteLock=0x38, this=) at
/usr/include/QtCore/qreadwritelock.h:130
#9  MusicBrainzTagsItem::childCount (this=0x0) at
/usr/src/debug/amarok-2.8.0/src/musicbrainz/MusicBrainzTagsItem.cpp:216
#10 0x7f5c46f5720c in MusicBrainzTagsModel::flags (this=0x4b53d00,
index=...) at
/usr/src/debug/amarok-2.8.0/src/musicbrainz/MusicBrainzTagsModel.cpp:210

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[amarok] [Bug 328359] Amarok crashes when using MusicBrains to update tags [@ MusicBrainzTagsItem::childCount]

[via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=328359

f.thies...@gmx.de changed:

   What|Removed |Added

 CC||f.thies...@gmx.de

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[amarok] [Bug 328359] Amarok crashes when using MusicBrains to update tags [@ MusicBrainzTagsItem::childCount]

[Myriam Schweingruber via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=328359

Myriam Schweingruber  changed:

   What|Removed |Added

 CC||ukr...@gmail.com

--- Comment #48 from Myriam Schweingruber  ---
*** Bug 360447 has been marked as a duplicate of this bug. ***

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[amarok] [Bug 328359] Amarok crashes when using MusicBrains to update tags [@ MusicBrainzTagsItem::childCount]

[Mathieu Carpentier via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=328359

--- Comment #47 from Mathieu Carpentier  ---
I experience the exact same problem on the following environment:
- Fedora 23 (4.4.3-300.fc23.x86_64)
- Amarok 2.8.0
- KDE Framework 5

The number of selected tracks has no impact: fetching tags from musicbrainz for
1 or 10 tracks will cause Amarok to crash.

I also noticed that Clementine 1.2.3 also crash. The icon of the "Complete tags
automatically" suggest that Clementine also use MusicBrainz to retrieve track
informations.

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[amarok] [Bug 328359] Amarok crashes when using MusicBrains to update tags [@ MusicBrainzTagsItem::childCount]

[Mathieu Carpentier via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=328359

Mathieu Carpentier  changed:

   What|Removed |Added

 CC||mathieu.carpent...@yahoo.co
   ||m

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[amarok] [Bug 328359] Amarok crashes when using MusicBrains to update tags [@ MusicBrainzTagsItem::childCount]

[Adnan Kurniawan via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=328359

Adnan Kurniawan  changed:

   What|Removed |Added

 CC||adnan...@gmail.com

--- Comment #46 from Adnan Kurniawan  ---
*** Bug 359339 has been marked as a duplicate of this bug. ***

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[amarok] [Bug 328359] Amarok crashes when using MusicBrains to update tags [@ MusicBrainzTagsItem::childCount]

[Myriam Schweingruber via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=328359

Myriam Schweingruber  changed:

   What|Removed |Added

 CC||Henning.Eric.Guertler@web.d
   ||e

--- Comment #44 from Myriam Schweingruber  ---
*** Bug 357079 has been marked as a duplicate of this bug. ***

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[amarok] [Bug 328359] Amarok crashes when using MusicBrains to update tags [@ MusicBrainzTagsItem::childCount]

[Raymond Wooninck via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=328359

Raymond Wooninck  changed:

   What|Removed |Added

 CC||tittiatc...@gmail.com

--- Comment #45 from Raymond Wooninck  ---
*** Bug 359222 has been marked as a duplicate of this bug. ***

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[amarok] [Bug 328359] Amarok crashes when using MusicBrains to update tags [@ MusicBrainzTagsItem::childCount]

[via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=328359

mm...@e-motz.com changed:

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 CC|mm...@e-motz.com|

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[amarok] [Bug 328359] Amarok crashes when using MusicBrains to update tags [@ MusicBrainzTagsItem::childCount]

[Argyris M via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=328359

--- Comment #42 from Argyris M  ---
Created attachment 96917
  --> https://bugs.kde.org/attachment.cgi?id=96917=edit
New crash information added by DrKonqi

amarok (2.8.0) on KDE Platform 4.14.16 using Qt 4.8.7

- What I was doing when the application crashed:

Searching for tags with MusicBrainz. It crashes even when searching for a
single track, but only if results are found. If not, nothing happens.

-- Backtrace (Reduced):
#6  0x7f9a90924971 in QReadWriteLock::lockForRead() () from
/usr/lib/libQtCore.so.4
#7  0x7f9a92eb4d71 in QReadLocker::relock (this=0x7ffc43451690) at
/usr/include/qt4/QtCore/qreadwritelock.h:111
#8  0x7f9a9308b9b5 in MusicBrainzTagsItem::childCount (this=0x0) at
/build/amarok/src/amarok-2.8.0/src/musicbrainz/MusicBrainzTagsItem.cpp:216
#9  0x7f9a9308f675 in MusicBrainzTagsModel::flags (this=0x3be7000,
index=...) at
/build/amarok/src/amarok-2.8.0/src/musicbrainz/MusicBrainzTagsModel.cpp:210
#10 0x7f9a9156584b in QSortFilterProxyModel::flags(QModelIndex const&)
const () from /usr/lib/libQtGui.so.4

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[amarok] [Bug 328359] Amarok crashes when using MusicBrains to update tags [@ MusicBrainzTagsItem::childCount]

[Argyris M via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=328359

--- Comment #42 from Argyris M  ---
Created attachment 96917
  --> https://bugs.kde.org/attachment.cgi?id=96917=edit
New crash information added by DrKonqi

amarok (2.8.0) on KDE Platform 4.14.16 using Qt 4.8.7

- What I was doing when the application crashed:

Searching for tags with MusicBrainz. It crashes even when searching for a
single track, but only if results are found. If not, nothing happens.

-- Backtrace (Reduced):
#6  0x7f9a90924971 in QReadWriteLock::lockForRead() () from
/usr/lib/libQtCore.so.4
#7  0x7f9a92eb4d71 in QReadLocker::relock (this=0x7ffc43451690) at
/usr/include/qt4/QtCore/qreadwritelock.h:111
#8  0x7f9a9308b9b5 in MusicBrainzTagsItem::childCount (this=0x0) at
/build/amarok/src/amarok-2.8.0/src/musicbrainz/MusicBrainzTagsItem.cpp:216
#9  0x7f9a9308f675 in MusicBrainzTagsModel::flags (this=0x3be7000,
index=...) at
/build/amarok/src/amarok-2.8.0/src/musicbrainz/MusicBrainzTagsModel.cpp:210
#10 0x7f9a9156584b in QSortFilterProxyModel::flags(QModelIndex const&)
const () from /usr/lib/libQtGui.so.4

--- Comment #43 from Argyris M  ---
Created attachment 96918
  --> https://bugs.kde.org/attachment.cgi?id=96918=edit
New crash information added by DrKonqi

amarok (2.8.0) on KDE Platform 4.14.16 using Qt 4.8.7

- What I was doing when the application crashed:

Searching for tags with MusicBrainz. It crashes even when searching for a
single track, but only if results are found. If not, nothing happens.

-- Backtrace (Reduced):
#6  0x7f9a90924971 in QReadWriteLock::lockForRead() () from
/usr/lib/libQtCore.so.4
#7  0x7f9a92eb4d71 in QReadLocker::relock (this=0x7ffc43451690) at
/usr/include/qt4/QtCore/qreadwritelock.h:111
#8  0x7f9a9308b9b5 in MusicBrainzTagsItem::childCount (this=0x0) at
/build/amarok/src/amarok-2.8.0/src/musicbrainz/MusicBrainzTagsItem.cpp:216
#9  0x7f9a9308f675 in MusicBrainzTagsModel::flags (this=0x3be7000,
index=...) at
/build/amarok/src/amarok-2.8.0/src/musicbrainz/MusicBrainzTagsModel.cpp:210
#10 0x7f9a9156584b in QSortFilterProxyModel::flags(QModelIndex const&)
const () from /usr/lib/libQtGui.so.4

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[amarok] [Bug 328359] Amarok crashes when using MusicBrains to update tags [@ MusicBrainzTagsItem::childCount]

[Argyris M via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=328359

Argyris M  changed:

   What|Removed |Added

 CC||argy...@gmail.com

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[amarok] [Bug 328359] Amarok crashes when using MusicBrains to update tags [@ MusicBrainzTagsItem::childCount]

[via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=328359

--- Comment #41 from jcg.apolloso...@gmail.com ---
Created attachment 96818
  --> https://bugs.kde.org/attachment.cgi?id=96818=edit
New crash information added by DrKonqi

amarok (2.8.0) on KDE Platform 4.13.3 using Qt 4.8.6

- What I was doing when the application crashed:

Attempted to update metadata for single file from musicbrainz service

-- Backtrace (Reduced):
#6  QReadWriteLock::lockForRead (this=this@entry=0x38) at
thread/qreadwritelock.cpp:149
#7  0x7f1926760f80 in relock (this=) at
/usr/include/qt4/QtCore/qreadwritelock.h:111
#8  QReadLocker (areadWriteLock=0x38, this=) at
/usr/include/qt4/QtCore/qreadwritelock.h:130
#9  MusicBrainzTagsItem::childCount (this=0x0) at
../../src/musicbrainz/MusicBrainzTagsItem.cpp:216
#10 0x7f1926766c64 in MusicBrainzTagsModel::flags (this=0x4dcce80,
index=...) at ../../src/musicbrainz/MusicBrainzTagsModel.cpp:210

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[amarok] [Bug 328359] Amarok crashes when using MusicBrains to update tags [@ MusicBrainzTagsItem::childCount]

[via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=328359

jcg.apolloso...@gmail.com changed:

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 CC||jcg.apolloso...@gmail.com

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[amarok] [Bug 328359] Amarok crashes when using MusicBrains to update tags [@ MusicBrainzTagsItem::childCount]

[J . M . 'Peng' Hardin via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=328359

J.M. 'Peng' Hardin  changed:

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 CC||peng.thinkb...@gmail.com

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[amarok] [Bug 328359] Amarok crashes when using MusicBrains to update tags [@ MusicBrainzTagsItem::childCount]

[Myriam Schweingruber via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=328359

Myriam Schweingruber  changed:

   What|Removed |Added

 CC||newslet...@kuschku.de

--- Comment #36 from Myriam Schweingruber  ---
*** Bug 357448 has been marked as a duplicate of this bug. ***

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[amarok] [Bug 328359] Amarok crashes when using MusicBrains to update tags [@ MusicBrainzTagsItem::childCount]

[Steve Havelka via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=328359

Steve Havelka  changed:

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 CC||st...@stevehavelka.com

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