Thanks!

On Jul 4, 2017 3:41 PM, "Bug Watch Updater" <email address hidden>
wrote:

> ** Changed in: linux (Debian)
>        Status: Fix Released => Confirmed
>
> --
> You received this bug notification because you are subscribed to a
> duplicate bug report (1699594).
> https://bugs.launchpad.net/bugs/1699772
>
> Title:
>   linux-image-4.10.0-24-generic, linux-image-4.8.0-56-generic, linux-
>   image-4.4.0-81-generic, linux-image-3.13.0-121-generic Regression:
>   many user-space apps crashing
>
> Status in commons-daemon package in Ubuntu:
>   Confirmed
> Status in eclipse package in Ubuntu:
>   Confirmed
> Status in imagej package in Ubuntu:
>   Confirmed
> Status in libreoffice package in Ubuntu:
>   Confirmed
> Status in linux package in Ubuntu:
>   Fix Released
> Status in octave package in Ubuntu:
>   Confirmed
> Status in python-jpype package in Ubuntu:
>   Confirmed
> Status in rustc package in Ubuntu:
>   Confirmed
> Status in scilab package in Ubuntu:
>   Confirmed
> Status in linux package in Debian:
>   Confirmed
>
> Bug description:
>   Distribution: Ubuntu 16.04 x64 (Flavour: KDE Neon User Edition 5.10)
>
>   linux-image-4.4.0-81-generic appears to contain a regression, probably
>   related to the CVE-2017-1000364 fix backport / patch.
>
>   Using this kernel, the Oracle Java browser plugin always crashes
>   during stack-related actions on initialization. This means, the plugin
>   completely stopped working.
>
>
>   It works perfectly fine in linux-image-4.4.0-79-generic (vurlerable to
> CVE-2017-1000364) as well as linux-image-4.11.6-041106-generic, which
> also contains a fix for CVE-2017-1000364.
>
>
>   uname -a:
>
>   > Linux Zweiblum 4.4.0-81-generic #104-Ubuntu SMP Wed Jun 14 08:17:06
>   UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
>
>
>   I tested Oracle Java 1.8 u131 as well as 1.6 u64 in Firefox 51.0.1 as
>   well as Iceweasel / Firefox/3.5.16 in a chroot.
>
>   Using linux-image-4.4.0-81-generic it crashes in all combinations
>   while with both other kernels it works.
>
>
>   I was not able to obtain any detailed crash information from Firefox
> 51.0.1, but Iceweasel 3.5.16 crashed completely, allowing me to obtain a
> stack trace which shows the relation to stack operations performed by the
> plugin, even without proper debug symbols:
>
>
>   > (gdb) bt full
>   > #0  0x00007fa06d805307 in _expand_stack_to(unsigned char*) () from
> /opt/java-8-oracle/jre/lib/amd64/server/libjvm.so
>   > No symbol table info available.
>   > #1  0x00007fa06d8053ae in os::Linux::manually_expand_stack(JavaThread*,
> unsigned char*) ()
>   >    from /opt/java-8-oracle/jre/lib/amd64/server/libjvm.so
>   > No symbol table info available.
>   > #2  0x00007fa06d80cf0b in JVM_handle_linux_signal () from
> /opt/java-8-oracle/jre/lib/amd64/server/libjvm.so
>   > No symbol table info available.
>   > #3  0x00007fa06d802e13 in signalHandler(int, siginfo*, void*) () from
> /opt/java-8-oracle/jre/lib/amd64/server/libjvm.so
>   > No symbol table info available.
>   > #4  <signal handler called>
>
>
>   I first assumed a bug in the Java plugin, but it works fine in Linux
> 4.11.6.
>
>
>   The crash will be triggered by any applet, for example the test applet
> at:
>
>   * https://java.com/en/download/installed8.jsp
>
>
>   I'm running the Ubuntu 16.04 based KDE Neon distribution which somehow
> apparently does not allow me to use apport to report this bug:
>
>   > $ LANG= apport-cli linux-image-4.4.0-81-generic
>   >
>   > *** Collecting problem information
>   >
>   > The collected information can be sent to the developers to improve the
>   > application. This might take a few minutes.
>   > .........
>   >
>   > *** Problem in linux-image-4.4.0-81-generic
>   >
>   > The problem cannot be reported:
>   >
>   > This is not an official KDE package. Please remove any third party
> package and try again.
>
>   If someone can tell me how to get apport working for this package, I
>   can use it to collect additional information, but (unfortunately?) the
>   problem should be fairly easy to reproduce...
>
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