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DescriptionDustin C. Hatch
2017-09-12 15:04:28 UTC
Description of problem:
When the system is using the MSL SELinux policy, the postgresql.service unit fails to start:
ExecStartPre=/usr/bin/postgresql-check-db-dir ${PGDATA} (code=exited, status=1/FAILURE)
The problem is this AVC:
type=AVC msg=audit(1505225522.279:9675648): avc: denied { getattr } for pid=14486 comm="postgresql-chec" path="/var/lib/pgsql/data/PG_VERSION" dev="dm-0" ino=135 scontext=system_u:system_r:init_t:s0-s15:c0.c1023 tcontext=system_u:object_r:postgresql_db_t:s0 tclass=file
Version-Release number of selected component (if applicable):
postgresql-9.2.18-1.el7.x86_64
selinux-policy-mls-3.13.1-102.el7_3.16.noarch
How reproducible:
Always
Steps to Reproduce:
1. Enable SELinux MLS
2. Start postgresql.service
Actual results:
PostgreSQL fails to start because postgresql-check-db-dir does not run
Expected results:
postgresql-check-db-dir should execute successfully even under SELinux MLS, and postgresql should start
Additional info:
Fixing this problem is trivial:
chcon -t postgresql_exec_t /usr/bin/postgresql-check-db-dir
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://access.redhat.com/errata/RHBA-2018:0763
Description of problem: When the system is using the MSL SELinux policy, the postgresql.service unit fails to start: ExecStartPre=/usr/bin/postgresql-check-db-dir ${PGDATA} (code=exited, status=1/FAILURE) The problem is this AVC: type=AVC msg=audit(1505225522.279:9675648): avc: denied { getattr } for pid=14486 comm="postgresql-chec" path="/var/lib/pgsql/data/PG_VERSION" dev="dm-0" ino=135 scontext=system_u:system_r:init_t:s0-s15:c0.c1023 tcontext=system_u:object_r:postgresql_db_t:s0 tclass=file Version-Release number of selected component (if applicable): postgresql-9.2.18-1.el7.x86_64 selinux-policy-mls-3.13.1-102.el7_3.16.noarch How reproducible: Always Steps to Reproduce: 1. Enable SELinux MLS 2. Start postgresql.service Actual results: PostgreSQL fails to start because postgresql-check-db-dir does not run Expected results: postgresql-check-db-dir should execute successfully even under SELinux MLS, and postgresql should start Additional info: Fixing this problem is trivial: chcon -t postgresql_exec_t /usr/bin/postgresql-check-db-dir