Issue on RHEL with iscsiadm on v2.205

[mynktl]

Issue on RHEL with iscsiadm on v2.205

[rhatdan]

These AVCs are not container specific they would be in selinux-policy.

dac_override usually means the process does not have access to the object without via normal permissions. IT The root user does not have access to the object. What is the permissions on

/var/lib/iscsi/nodes/iqn.2019-10.io.longhorn:pvc-92f33fde-1363-4619-aca4-823bfd8f444f/10.42.0.67,3260,1/

Who owns it I would figure root does not have read/write or execute access and that is causing the DAC_OVERRIDE>

[rhatdan]

Please attach the AVC messages.
ausearch -m avc -ts recent

[rhatdan]

Ping

[mynktl]

Hi @rhatdan
Apologies for the delayed response.

I don't have environment now. Here is old output which I collected before.

type=PROCTITLE msg=audit(1685680051.117:90103): proctitle=6E73656E746572002D2D6D6F756E743D2F686F73742F70726F632F312F6E732F6D6E74002D2D6E65743D2F686F73742F70726F632F312F6E732F6E657400697363736961646D002D6D00646973636F76657279002D740073656E6474617267657473002D700031302E34322E302E3637
type=PATH msg=audit(1685680051.117:90103): item=0 name="/var/lib/iscsi/nodes/iqn.2019-10.io.longhorn:pvc-a5f752cd-09bb-4d37-a517-ec83704b25d9/10.42.0.67,3260,1/" inode=8412064 dev=fd:08 mode=040600 ouid=0 ogid=0 rdev=00:00 obj=system_u:object_r:iscsi_var_lib_t:s0 nametype=PARENT cap_fp=0 cap_fi=0 cap_fe=0 cap_fver=0 cap_frootid=0
type=CWD msg=audit(1685680051.117:90103): cwd="/"
type=SYSCALL msg=audit(1685680051.117:90103): arch=c000003e syscall=257 success=no exit=-13 a0=ffffff9c a1=561977481090 a2=241 a3=1b6 items=1 ppid=61338 pid=61427 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="iscsiadm" exe="/usr/sbin/iscsiadm" subj=system_u:system_r:iscsid_t:s0 key=(null)
type=AVC msg=audit(1685680051.117:90103): avc:  denied  { dac_override } for  pid=61427 comm="iscsiadm" capability=1  scontext=system_u:system_r:iscsid_t:s0 tcontext=system_u:system_r:iscsid_t:s0 tclass=capability permissive=0
----
time->Fri Jun  2 04:27:31 2023
type=PROCTITLE msg=audit(1685680051.117:90106): proctitle=6E73656E746572002D2D6D6F756E743D2F686F73742F70726F632F312F6E732F6D6E74002D2D6E65743D2F686F73742F70726F632F312F6E732F6E657400697363736961646D002D6D00646973636F76657279002D740073656E6474617267657473002D700031302E34322E302E3637
type=PATH msg=audit(1685680051.117:90106): item=0 name="/var/lib/iscsi/nodes/iqn.2019-10.io.longhorn:pvc-92f33fde-1363-4619-aca4-823bfd8f444f/10.42.0.67,3260,1/" inode=12603867 dev=fd:08 mode=040600 ouid=0 ogid=0 rdev=00:00 obj=system_u:object_r:iscsi_var_lib_t:s0 nametype=PARENT cap_fp=0 cap_fi=0 cap_fe=0 cap_fver=0 cap_frootid=0
type=CWD msg=audit(1685680051.117:90106): cwd="/"
type=SYSCALL msg=audit(1685680051.117:90106): arch=c000003e syscall=257 success=no exit=-13 a0=ffffff9c a1=561977481090 a2=241 a3=1b6 items=1 ppid=61338 pid=61427 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="iscsiadm" exe="/usr/sbin/iscsiadm" subj=system_u:system_r:iscsid_t:s0 key=(null)
type=AVC msg=audit(1685680051.117:90106): avc:  denied  { dac_override } for  pid=61427 comm="iscsiadm" capability=1  scontext=system_u:system_r:iscsid_t:s0 tcontext=system_u:system_r:iscsid_t:s0 tclass=capability permissive=0

Thanks for looking into this!