I've attached another ausearch output which makes aureport to hang on 100% usage.
type=CONFIG_CHANGE msg=audit(1477974302.999:714974): auid=0 ses=59247 op="updated rules" path="/var/log/wtmp" key=6163636573730173657373696F6E list=4 res=1 type=SYSCALL msg=audit(1477974302.999:714975): arch=c000003e syscall=82 success=yes exit=0 a0=e1a490 a1=e262d0 a2=e1a490 a3=84 items=4 ppid=9347 pid=9348 auid=0 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=59247 comm="logrotate" exe="/usr/sbin/logrotate" key=6163636573730173657373696F6E type=CWD msg=audit(1477974302.999:714975): cwd="/" type=PATH msg=audit(1477974302.999:714975): item=0 name="/var/log/" inode=5243029 dev=fe:00 mode=040755 ouid=0 ogid=0 rdev=00:00 nametype=PARENT type=PATH msg=audit(1477974302.999:714975): item=1 name="/var/log/" inode=5243029 dev=fe:00 mode=040755 ouid=0 ogid=0 rdev=00:00 nametype=PARENT type=PATH msg=audit(1477974302.999:714975): item=2 name="/var/log/wtmp" inode=5246306 dev=fe:00 mode=0100664 ouid=0 ogid=43 rdev=00:00 nametype=DELETE type=PATH msg=audit(1477974302.999:714975): item=3 name="/var/log/wtmp.1" inode=5246306 dev=fe:00 mode=0100664 ouid=0 ogid=43 rdev=00:00 nametype=CREATE type=PROCTITLE msg=audit(1477974302.999:714975): proctitle=2F7573722F7362696E2F6C6F67726F74617465002F6574632F6C6F67726F746174652E636F6E66 type=CONFIG_CHANGE msg=audit(1477974302.999:714976): auid=0 ses=59247 op="updated rules" path="/var/log/wtmp" key=6163636573730173657373696F6E list=4 res=1 type=SYSCALL msg=audit(1477974302.999:714977): arch=c000003e syscall=2 success=yes exit=3 a0=e1a490 a1=200c2 a2=180 a3=84 items=2 ppid=9347 pid=9348 auid=0 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=59247 comm="logrotate" exe="/usr/sbin/logrotate" key=6163636573730173657373696F6E type=CWD msg=audit(1477974302.999:714977): cwd="/" type=PATH msg=audit(1477974302.999:714977): item=0 name="/var/log/" inode=5243029 dev=fe:00 mode=040755 ouid=0 ogid=0 rdev=00:00 nametype=PARENT type=PATH msg=audit(1477974302.999:714977): item=1 name="/var/log/wtmp" inode=5244346 dev=fe:00 mode=0100600 ouid=0 ogid=0 rdev=00:00 nametype=CREATE type=PROCTITLE msg=audit(1477974302.999:714977): proctitle=2F7573722F7362696E2F6C6F67726F74617465002F6574632F6C6F67726F746174652E636F6E66 type=SYSCALL msg=audit(1477974302.999:714978): arch=c000003e syscall=91 success=yes exit=0 a0=3 a1=180 a2=180 a3=84 items=1 ppid=9347 pid=9348 auid=0 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=59247 comm="logrotate" exe="/usr/sbin/logrotate" key=6163636573730173657373696F6E type=PATH msg=audit(1477974302.999:714978): item=0 name=(null) inode=5244346 dev=fe:00 mode=0100600 ouid=0 ogid=0 rdev=00:00 nametype=NORMAL type=PROCTITLE msg=audit(1477974302.999:714978): proctitle=2F7573722F7362696E2F6C6F67726F74617465002F6574632F6C6F67726F746174652E636F6E66 type=SYSCALL msg=audit(1477974302.999:714979): arch=c000003e syscall=93 success=yes exit=0 a0=3 a1=0 a2=2b a3=84 items=1 ppid=9347 pid=9348 auid=0 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=59247 comm="logrotate" exe="/usr/sbin/logrotate" key=6163636573730173657373696F6E type=PATH msg=audit(1477974302.999:714979): item=0 name=(null) inode=5244346 dev=fe:00 mode=0100600 ouid=0 ogid=0 rdev=00:00 nametype=NORMAL type=PROCTITLE msg=audit(1477974302.999:714979): proctitle=2F7573722F7362696E2F6C6F67726F74617465002F6574632F6C6F67726F746174652E636F6E66 type=SYSCALL msg=audit(1477974302.999:714980): arch=c000003e syscall=91 success=yes exit=0 a0=3 a1=1b4 a2=2b a3=84 items=1 ppid=9347 pid=9348 auid=0 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=59247 comm="logrotate" exe="/usr/sbin/logrotate" key=6163636573730173657373696F6E type=PATH msg=audit(1477974302.999:714980): item=0 name=(null) inode=5244346 dev=fe:00 mode=0100600 ouid=0 ogid=43 rdev=00:00 nametype=NORMAL type=PROCTITLE msg=audit(1477974302.999:714980): proctitle=2F7573722F7362696E2F6C6F67726F74617465002F6574632F6C6F67726F746174652E636F6E66 type=CONFIG_CHANGE msg=audit(1477974303.003:714981): auid=0 ses=59247 op="updated rules" path="/var/log/btmp" key=6163636573730173657373696F6E list=4 res=1 type=SYSCALL msg=audit(1477974303.003:714982): arch=c000003e syscall=82 success=yes exit=0 a0=e1c010 a1=e26270 a2=e1c010 a3=84 items=4 ppid=9347 pid=9348 auid=0 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=59247 comm="logrotate" exe="/usr/sbin/logrotate" key=6163636573730173657373696F6E type=CWD msg=audit(1477974303.003:714982): cwd="/" type=PATH msg=audit(1477974303.003:714982): item=0 name="/var/log/" inode=5243029 dev=fe:00 mode=040755 ouid=0 ogid=0 rdev=00:00 nametype=PARENT type=PATH msg=audit(1477974303.003:714982): item=1 name="/var/log/" inode=5243029 dev=fe:00 mode=040755 ouid=0 ogid=0 rdev=00:00 nametype=PARENT type=PATH msg=audit(1477974303.003:714982): item=2 name="/var/log/btmp" inode=5247914 dev=fe:00 mode=0100600 ouid=0 ogid=43 rdev=00:00 nametype=DELETE type=PATH msg=audit(1477974303.003:714982): item=3 name="/var/log/btmp.1" inode=5247914 dev=fe:00 mode=0100600 ouid=0 ogid=43 rdev=00:00 nametype=CREATE type=PROCTITLE msg=audit(1477974303.003:714982): proctitle=2F7573722F7362696E2F6C6F67726F74617465002F6574632F6C6F67726F746174652E636F6E66 type=CONFIG_CHANGE msg=audit(1477974303.003:714983): auid=0 ses=59247 op="updated rules" path="/var/log/btmp" key=6163636573730173657373696F6E list=4 res=1 type=SYSCALL msg=audit(1477974303.003:714984): arch=c000003e syscall=2 success=yes exit=3 a0=e1c010 a1=200c2 a2=180 a3=84 items=2 ppid=9347 pid=9348 auid=0 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=59247 comm="logrotate" exe="/usr/sbin/logrotate" key=6163636573730173657373696F6E type=CWD msg=audit(1477974303.003:714984): cwd="/" type=PATH msg=audit(1477974303.003:714984): item=0 name="/var/log/" inode=5243029 dev=fe:00 mode=040755 ouid=0 ogid=0 rdev=00:00 nametype=PARENT type=PATH msg=audit(1477974303.003:714984): item=1 name="/var/log/btmp" inode=5244875 dev=fe:00 mode=0100600 ouid=0 ogid=0 rdev=00:00 nametype=CREATE type=PROCTITLE msg=audit(1477974303.003:714984): proctitle=2F7573722F7362696E2F6C6F67726F74617465002F6574632F6C6F67726F746174652E636F6E66 type=SYSCALL msg=audit(1477974303.003:714985): arch=c000003e syscall=91 success=yes exit=0 a0=3 a1=180 a2=180 a3=84 items=1 ppid=9347 pid=9348 auid=0 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=59247 comm="logrotate" exe="/usr/sbin/logrotate" key=6163636573730173657373696F6E type=PATH msg=audit(1477974303.003:714985): item=0 name=(null) inode=5244875 dev=fe:00 mode=0100600 ouid=0 ogid=0 rdev=00:00 nametype=NORMAL type=PROCTITLE msg=audit(1477974303.003:714985): proctitle=2F7573722F7362696E2F6C6F67726F74617465002F6574632F6C6F67726F746174652E636F6E66 type=SYSCALL msg=audit(1477974303.003:714986): arch=c000003e syscall=93 success=yes exit=0 a0=3 a1=0 a2=2b a3=84 items=1 ppid=9347 pid=9348 auid=0 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=59247 comm="logrotate" exe="/usr/sbin/logrotate" key=6163636573730173657373696F6E type=PATH msg=audit(1477974303.003:714986): item=0 name=(null) inode=5244875 dev=fe:00 mode=0100600 ouid=0 ogid=0 rdev=00:00 nametype=NORMAL type=PROCTITLE msg=audit(1477974303.003:714986): proctitle=2F7573722F7362696E2F6C6F67726F74617465002F6574632F6C6F67726F746174652E636F6E66 type=SYSCALL msg=audit(1477974303.003:714987): arch=c000003e syscall=91 success=yes exit=0 a0=3 a1=1b0 a2=2b a3=84 items=1 ppid=9347 pid=9348 auid=0 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=59247 comm="logrotate" exe="/usr/sbin/logrotate" key=6163636573730173657373696F6E type=PATH msg=audit(1477974303.003:714987): item=0 name=(null) inode=5244875 dev=fe:00 mode=0100600 ouid=0 ogid=43 rdev=00:00 nametype=NORMAL type=PROCTITLE msg=audit(1477974303.003:714987): proctitle=2F7573722F7362696E2F6C6F67726F74617465002F6574632F6C6F67726F746174652E636F6E66
