Hanging processes with
Linux Security 11.00 on RHEL/CentOS 7.x
Security 11.00 on RHEL/CentOS 7.x causes processes to hang when on-access
scanning is turned on. The system log warns about one or more processes being
blocked for more than 120 seconds.
The Linux kernel version
(3.10) used by RHEL/CentOS 7.x suffers from a subtle but serious bug that has
been fixed in later kernel versions.
Specifically, the function
has a faulty logic that replaces
2. The original
replaced with a clone and then removed from the notification queue. If the
OPEN_PERM event, it
has no chance of being woken up again because only the clone of the event will
get a response.
The bug has been fixed in
RHEL/CentOS 7.x. Simply run
to get a current kernel (3.10.0-327.36.1.el7 or later) and reboot.