Ticket #15726 (closed defect: fixed)

Opened 5 years ago

Last modified 5 years ago

VirtualBox Manager crash on exit

Reported by: mhanor Owned by:
Component: other Version: VirtualBox 5.1.2
Keywords: Cc:
Guest type: other Host type: Windows



I can reproduce a crash of the VirtualBox Manager, under my Windows 10 64 bit host. It seems it crashes when I close the Manager window, after I've started a VM using the Manager. I'm sending Frank an e-mail with a Google Drive link to a full memory crash dump of VirtualBox-5.1.3-109189-Win. I can also reproduce it with the 5.1.2 release, the crash looks identical.


windbg_log.txt Download (24.6 KB) - added by mhanor 5 years ago.
VirtualBox OSE 5.1.4 no hardening

Change History

comment:1 Changed 5 years ago by frank

Just wanted to let you know that we downloaded and analyzed the dump you provided us, thank you! It looks like VBoxProxyStub is unloaded too early. At the moment we don't know why.

comment:2 Changed 5 years ago by frank

Unfortunately we are not able to reproduce. Maybe some different host configuration ...

comment:3 Changed 5 years ago by mhanor

Open the VirtualBox Manager, create and start an empty VM (no boot medium), wait for it to show you the "Fatal: no bootable medium found!" message and close the Manager. You can open the Manager again, for another attempt, without disturbing the VM. For me, it crashes almost every time.

Changed 5 years ago by mhanor

VirtualBox OSE 5.1.4 no hardening

comment:4 Changed 5 years ago by mhanor

I've attached a windbg log, showing the access after unloading of VBoxProxyStub.

comment:5 Changed 5 years ago by frank

Mihai, we think we fixed the crash -- the fix is actually more a hack but it should work for now. Could you test the latest test build from here? Your reproduction scenario was very helpful, thanks!

comment:6 Changed 5 years ago by mhanor

I'm not able to trigger a crash with the new test build.

comment:7 Changed 5 years ago by frank

  • Status changed from new to closed
  • Resolution set to fixed

Fix is part of VBox 5.1.6.

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