Opened 12 years ago

Closed 11 years ago

#9603 closed defect (fixed)

NULL pointer dereference in vboxdrv on the host when shutting a guest OS down

Reported by: Eugene Owned by:
Component: VMM Version: VirtualBox 4.1.2
Keywords: Cc:
Guest type: Linux Host type: Linux

Description (last modified by Frank Mehnert)

Host OS: OpenSUSE Linux 11.3 32-bit
Guest OS: the problem was observed with different guest Linux systems including Mandriva 2010 and Fedora 12
VirtualBox 4.1.2 installed from the recommended repository

Sometimes when I shutdown the guest system, a NULL pointer dereference occurs in vboxdrv at rtR0MemObjLinuxFreePages+0x14/0x90 (see the relevant portion of the system log attached).

The guest system itself seems to be shut down correctly.

The problem does not reproduce each time I shutdown a guest OS. Among several dozens of VM shutdowns I did this week, I saw this problem only twice.

The host system has no hardware virtualization support, so nested paging is not used among other things. PAE is not enabled for the guest systems either. Therefore, it is probably not related to bug #7930 as I thought earlier.

May be it is nothing but there is a probably interesting thing in the system log. It looks like the problem occured before the network interface finished cleaning up. Before the oops report, there is a message:

[75613.447367] device vboxnet0 entered promiscuous mode

and after the report - the following message:

[85715.717558] device vboxnet0 left promiscuous mode

Attached is the portion of the system log, the VM log (F12_VBox.log) and the VM configuration (F12.xml).

Attachments (3)

F12_VBox.log (78.7 KB ) - added by Eugene 12 years ago.
VirtualBox log file
F12.xml (13.3 KB ) - added by Eugene 12 years ago.
Machine configuration file
system.log (6.2 KB ) - added by Eugene 12 years ago.
The log for the host system

Download all attachments as: .zip

Change History (4)

by Eugene, 12 years ago

Attachment: F12_VBox.log added

VirtualBox log file

by Eugene, 12 years ago

Attachment: F12.xml added

Machine configuration file

by Eugene, 12 years ago

Attachment: system.log added

The log for the host system

comment:1 by Frank Mehnert, 11 years ago

Description: modified (diff)
Resolution: fixed
Status: newclosed

Please reopen if still relevant with VBox 4.2.6.

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