[Libguestfs] buffer overflow detected error

[Richard W.M. Jones]

On Fri, Aug 17, 2018 at 04:41:36PM -0400, Davone Desouza wrote:
> So I'm using the libguests library in my Java code and when running my vm I
> am seeing this error:
> 
> ***buffer overflow detected***:/bin/java terminated
> Backtrace:=========
> /lib64/libc.so.6(__fortify_fail+0x37)[ox7f7932b4ed87]
> /lib64/libc.so.6(+0x10df40)[0x7f7932b4cf40]
> /lib64/libc.so.6(+0x10df40)[0x7f7932b4ecf7]
> /lib64/libguestfs.so.0(+0xa6508)[0x7f78755bd508]
> /lib64/libguestfs.so.0(+0xa6e3c)[0x7f78755bde3c]
> /lib64/libguestfs.so.0(+0xa8e12)[0x7f78755bfe12]
> /lib64/libguestfs.so.0(guestfs_disk_create_argv+0xbf)[0x7f7875567c6f]
> /lib64/libguestfs.so.0(+0xc48f2)[0x7f78755db8f2]
> /lib64/libguestfs.so.0(+0xc54b1[0x7f78755dc4b1]
> /lib64/libguestfs.so.0(+0xbfc75)[0x7f78755d6c75]
> /usr/lib64/libguestfs_jni.so.1.36.3(Java_com_redhat_et_libguestfs_Gues
> tFs__1launch+0x14[0x7f7875875de4]
> [0x7f791ee77570]
> 
> Any idea what is going on or how can I fix this?

Unfortunately there are a few problems with our use of JNI in the the
Java bindings:

  https://bugzilla.redhat.com/show_bug.cgi?id=1536762

I've not had a chance to look at how to fix this.  Help would be
welcome here.

Rich.

-- 
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
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