kernel panic due to out of memory (OOM) caused due to bug in upstream vsftpd-3.0.3
Issue
- The machine panics due to Out of Memory(OOM) even when swap is 100% free.
- Server is running Upstream/complied version of 'vsftpd-3.0.3' which was never release for RHEL-6, and due to possible bug/memory leak in
this package server panic due to OOM. - Most of the vsftpd process were in Z-state
Environment
- Red Hat Enterprise Linux 6
- Kernel-2.6.32-642.6.2.el6
- Third party/Upstream vsftpd-3.0.3
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