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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 FEBRUARY 19, 2019

Applies to:

Linux OS - Version 1 to Oracle Linux 7.3 with Unbreakable Enterprise Kernel [3.8.13] [Release RHEL3 to OL7U3]
Oracle VM - Version 2.1 to 3.4.1 [Release OVM21 to OVM34]
Oracle Cloud Infrastructure - Version N/A and later
Linux x86-64


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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