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* auditd process memory leak
@ 2021-06-23  5:49 宋建昌
  0 siblings, 0 replies; only message in thread
From: 宋建昌 @ 2021-06-23  5:49 UTC (permalink / raw)
  To: linux-audit


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My environment:
CPU: Kunpeng 910
arch: aarch64
system: Kylin Linux Advanced Server release V10 (Tercel)
kernel: 4.19.90-23.6.v2101.ky10.aarch64

auditd version:
audit-libs-3.0-5.se.06.ky10.aarch64
audit-3.0-5.se.06.ky10.aarch64
python3-audit-3.0-5.se.06.ky10.aarch64

Auditd process uses an increasing amount of memory

dmesg:
[2358791.243830] audit: type=1305 audit(1624265846.064:245837): audit_pid=0 old=1143857 auid=4294967295
ses=4294967295 res=1
[2358791.256815] audit: type=1131 audit(1624265846.074:245838): pid=1 uid=0 auid=4294967295 ses=4294967295
msg='unit=auditd comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
[2358791.328435] audit: type=1305 audit(1624265846.154:245839): audit_enabled=1 old=1 auid=4294967295
ses=4294967295 res=1
[2358791.333944] audit: type=1305 audit(1624265846.154:245840): audit_pid=1275570 old=0 auid=4294967295
ses=4294967295 res=1

audit log:
type=NETFILTER_CFG msg=audit(1624410740.017:257002): table=filter family=2 entries=1821
type=SYSCALL msg=audit(1624410740.017:257002): arch=c00000b7 syscall=208 success=yes exit=0 a0=4 a1=0 a2=40 a3=fffd30290010 items=0 ppid=108096 pid=3965028 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="iptables-restor" exe="/usr/sbin/xtables-legacy-multi" key=(null)
type=PROCTITLE msg=audit(1624410740.017:257002): proctitle=69707461626C65732D726573746F7265002D770035002D2D6E6F666C757368002D2D636F756E74657273
type=NETFILTER_CFG msg=audit(1624410740.037:257003): table=nat family=2 entries=1575
type=SYSCALL msg=audit(1624410740.037:257003): arch=c00000b7 syscall=208 success=yes exit=0 a0=4 a1=0 a2=40 a3=aaadea0c1700 items=0 ppid=108096 pid=3965028 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="iptables-restor" exe="/usr/sbin/xtables-legacy-multi" key=(null)
type=PROCTITLE msg=audit(1624410740.037:257003): proctitle=69707461626C65732D726573746F7265002D770035002D2D6E6F666C757368002D2D636F756E74657273

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