Allow auditctl signal auditd #2483
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When restarting the audit service using "service auditd restart" from a
custom service (e.g. an automation service), the auditctl --signal stop
command may wait forever for auditd response, which never comes because
auditd didn't receive the SIGTERM event at all.
The commit addresses the following AVC denial:
type=PROCTITLE msg=audit(11/26/2024 09:41:41.369:168901) : proctitle=/sbin/auditctl --signal stop
type=SYSCALL msg=audit(11/26/2024 09:41:41.369:168901) : arch=x86_64 syscall=pidfd_send_signal success=no exit=EACCES(Permission denied) a0=0x4 a1=0xf a2=0x0 a3=0x0 items=0 ppid=6984 pid=6987 auid=unset uid=root gid=root euid=root suid=root fsuid=root egid=root sgid=root fsgid=root tty=(none) ses=unset comm=auditctl exe=/usr/sbin/auditctl subj=system_u:system_r:auditctl_t:s0 key=(null)
type=AVC msg=audit(11/26/2024 09:41:41.369:168901) : avc: denied { signal } for pid=6987 comm=auditctl scontext=system_u:system_r:auditctl_t:s0 tcontext=system_u:system_r:auditd_t:s0 tclass=process permissive=0
Resolves: RHEL-68969
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When restarting the audit service using "service auditd restart" from a custom service (e.g. an automation service), the auditctl --signal stop command may wait forever for auditd response, which never comes because auditd didn't receive the SIGTERM event at all.
The commit addresses the following AVC denial:
type=PROCTITLE msg=audit(11/26/2024 09:41:41.369:168901) : proctitle=/sbin/auditctl --signal stop type=SYSCALL msg=audit(11/26/2024 09:41:41.369:168901) : arch=x86_64 syscall=pidfd_send_signal success=no exit=EACCES(Permission denied) a0=0x4 a1=0xf a2=0x0 a3=0x0 items=0 ppid=6984 pid=6987 auid=unset uid=root gid=root euid=root suid=root fsuid=root egid=root sgid=root fsgid=root tty=(none) ses=unset comm=auditctl exe=/usr/sbin/auditctl subj=system_u:system_r:auditctl_t:s0 key=(null) type=AVC msg=audit(11/26/2024 09:41:41.369:168901) : avc: denied { signal } for pid=6987 comm=auditctl scontext=system_u:system_r:auditctl_t:s0 tcontext=system_u:system_r:auditd_t:s0 tclass=process permissive=0
Resolves: RHEL-68969