Bug#898960: [libpangoft2-1.0-0] Crashes some Java applications in pango_fc_font_key_get_variations

[gisl at leonde.de]

Package: libpangoft2-1.0-0
Version: 1.42.1-1
Severity: important

--- Please enter the report below this line. ---
Some applications suddenly crash, possibly due to a binary incompatibility?

Stack: [0x00007f9388812000,0x00007f9388912000],  sp=0x00007f9388909488,  free 
space=989k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native 
code)
C  [libpangoft2-1.0.so.0+0xb1e0]  pango_fc_font_key_get_variations+0x0

Java frames: (J=compiled Java code, j=interpreted, Vv=VM code)
J 13636  org.eclipse.swt.internal.gtk.OS._g_main_context_iteration(JZ)Z (0 
bytes) @ 0x00007f937039fac4 [0x00007f937039fa80+0x44]
J 69512 C2 org.eclipse.swt.widgets.Display.readAndDispatch()Z (71 bytes) @ 
0x00007f9377b26960 [0x00007f9377b266a0+0x2c0]
J 51367% C2 org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine
$5.run()V (703 bytes) @ 0x00007f93754ee1f4 [0x00007f93754edfe0+0x214]
j  org.eclipse.core.databinding.observable.Realm.runWithDefault(Lorg/eclipse/
core/databinding/observable/Realm;Ljava/lang/Runnable;)V+12
j  org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(Lorg/
eclipse/e4/ui/model/application/MApplicationElement;Lorg/eclipse/e4/core/
contexts/IEclipseContext;)Ljava/lang/Object;+57
j  org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(Lorg/
eclipse/e4/ui/model/application/MApplicationElement;)V+20
j  org.eclipse.ui.internal.Workbench.lambda$3(Lorg/eclipse/swt/widgets/
Display;Lorg/eclipse/ui/application/WorkbenchAdvisor;[I)V+451
j  org.eclipse.ui.internal.Workbench$$Lambda$15.run()V+12
j  org.eclipse.core.databinding.observable.Realm.runWithDefault(Lorg/eclipse/
core/databinding/observable/Realm;Ljava/lang/Runnable;)V+12
j  org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Lorg/eclipse/swt/
widgets/Display;Lorg/eclipse/ui/application/WorkbenchAdvisor;)I+16
j  org.eclipse.ui.PlatformUI.createAndRunWorkbench(Lorg/eclipse/swt/widgets/
Display;Lorg/eclipse/ui/application/WorkbenchAdvisor;)I+2
j  org.eclipse.ui.internal.ide.application.IDEApplication.start(Lorg/eclipse/
equinox/app/IApplicationContext;)Ljava/lang/Object;+113
j  org.eclipse.equinox.internal.app.EclipseAppHandle.run(Ljava/lang/
Object;)Ljava/lang/Object;+135
j  
org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(Ljava/
lang/Object;)Ljava/lang/Object;+85
j  org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(Ljava/
lang/Object;)Ljava/lang/Object;+82
j  org.eclipse.core.runtime.adaptor.EclipseStarter.run(Ljava/lang/
Object;)Ljava/lang/Object;+105
j  org.eclipse.core.runtime.adaptor.EclipseStarter.run([Ljava/lang/
String;Ljava/lang/Runnable;)Ljava/lang/Object;+132
v  ~StubRoutines::call_stub
j  sun.reflect.NativeMethodAccessorImpl.invoke0(Ljava/lang/reflect/
Method;Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;+0
j  sun.reflect.NativeMethodAccessorImpl.invoke(Ljava/lang/Object;[Ljava/lang/
Object;)Ljava/lang/Object;+100
j  sun.reflect.DelegatingMethodAccessorImpl.invoke(Ljava/lang/Object;[Ljava/
lang/Object;)Ljava/lang/Object;+6
j  java.lang.reflect.Method.invoke(Ljava/lang/Object;[Ljava/lang/
Object;)Ljava/lang/Object;+56
j  org.eclipse.equinox.launcher.Main.invokeFramework([Ljava/lang/String;
[Ljava/net/URL;)V+205
j  org.eclipse.equinox.launcher.Main.basicRun([Ljava/lang/String;)V+160
j  org.eclipse.equinox.launcher.Main.run([Ljava/lang/String;)I+4
j  org.eclipse.equinox.launcher.Main.main([Ljava/lang/String;)V+10

Also see
https://forum.manjaro.org/t/solved-matlab-r2017b-add-ons-and-other-windows-no-effect/35505/5
https://forum.manjaro.org/t/rssowl-crashes-after-last-system-update/45043/16

--- System information. ---
Architecture: 
Kernel:       Linux 4.15.0-3-amd64

Debian Release: buster/sid
  500 unstable        www.deb-multimedia.org 
  500 unstable        ftp.de.debian.org 

--- Package information. ---
Depends              (Version) | Installed
==============================-+-============
libc6                 (>= 2.4) | 
libfontconfig1       (>= 2.12) | 
libfreetype6        (>= 2.3.5) | 
libglib2.0-0       (>= 2.37.3) | 
libharfbuzz0b       (>= 1.4.2) | 
libpango-1.0-0     (>= 1.42.0) | 


Package's Recommends field is empty.

Package's Suggests field is empty.