An ocfs2 node / Oracle VM Server hangs with "kernel tried to execute NX-protected page - exploit attempt?" and a stack trace in o2net_listen_data_ready
(Doc ID 2236255.1)
Last updated on AUGUST 04, 2018
Applies to:Linux OS - Version 1 to Oracle Linux 7.3 with Unbreakable Enterprise Kerne [3.8.13] [Release RHEL3 to OL7U3]
Oracle VM - Version 2.1 to 3.4.1 [Release OVM21 to OVM34]
On Oracle Linux and Oracle VM, when making use of the ocfs2 file system, the system hangs and stop being responsive.
Reviewing the host console e.g. through an ILOM snapshot, the following kind of lines are being recorded :
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