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Bug 1971517 - avc: denied { search } for pid=863685 comm="mdadm" name="dma_heap" dev="devtmpfs" ino=124 scontext=system_u:system_r:mdadm_t:s0-s0:c0.c1023 tcontext=system_u:object_r:dma_device_dir_t:s0 tclass=dir permissive=1
Summary: avc: denied { search } for pid=863685 comm="mdadm" name="dma_heap" dev="de...
Keywords:
Status: CLOSED DUPLICATE of bug 1970744
Alias: None
Product: Fedora
Classification: Fedora
Component: selinux-policy
Version: 34
Hardware: Unspecified
OS: Unspecified
unspecified
unspecified
Target Milestone: ---
Assignee: Zdenek Pytela
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2021-06-14 09:02 UTC by Bruno Goncalves
Modified: 2021-06-18 18:04 UTC (History)
7 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Environment:
Last Closed: 2021-06-18 18:04:41 UTC
Type: Bug
Embargoed:


Attachments (Terms of Use)

Description Bruno Goncalves 2021-06-14 09:02:43 UTC
Description of problem:
during CKI "swraid/trim" test [1] we hit the following issue:

SELinux status:                 enabled
SELinuxfs mount:                /sys/fs/selinux
SELinux root directory:         /etc/selinux
Loaded policy name:             targeted
Current mode:                   permissive
Mode from config file:          permissive
Policy MLS status:              enabled
Policy deny_unknown status:     allowed
Memory protection checking:     actual (secure)
Max kernel policy version:      33
selinux-policy-34.11-1.fc34.noarch
----
time->Fri Jun 11 17:12:23 2021
type=AVC msg=audit(1623445943.401:916): avc:  denied  { search } for  pid=863685 comm="mdadm" name="dma_heap" dev="devtmpfs" ino=124 scontext=system_u:system_r:mdadm_t:s0-s0:c0.c1023 tcontext=system_u:object_r:dma_device_dir_t:s0 tclass=dir permissive=1
----
time->Fri Jun 11 17:12:23 2021
type=AVC msg=audit(1623445943.411:917): avc:  denied  { getattr } for  pid=863685 comm="mdadm" path="/dev/dma_heap" dev="devtmpfs" ino=124 scontext=system_u:system_r:mdadm_t:s0-s0:c0.c1023 tcontext=system_u:object_r:dma_device_dir_t:s0 tclass=dir permissive=1
----
time->Fri Jun 11 17:12:23 2021
type=AVC msg=audit(1623445943.411:918): avc:  denied  { read } for  pid=863685 comm="mdadm" name="dma_heap" dev="devtmpfs" ino=124 scontext=system_u:system_r:mdadm_t:s0-s0:c0.c1023 tcontext=system_u:object_r:dma_device_dir_t:s0 tclass=dir permissive=1
----
time->Fri Jun 11 17:12:23 2021
type=AVC msg=audit(1623445943.411:919): avc:  denied  { open } for  pid=863685 comm="mdadm" path="/dev/dma_heap" dev="devtmpfs" ino=124 scontext=system_u:system_r:mdadm_t:s0-s0:c0.c1023 tcontext=system_u:object_r:dma_device_dir_t:s0 tclass=dir permissive=1

Version-Release number of selected component (if applicable):
selinux-policy-34.11-1.fc34.noarch

How reproducible:
It seems to be 100% reproducible

Steps to Reproduce:
1.1.Run the test [1] and check for avc denials


[1] https://gitlab.com/cki-project/kernel-tests/-/tree/main/storage/swraid/trim

Comment 1 Bruno Goncalves 2021-06-14 09:03:13 UTC
SELinux status:                 enabled
SELinuxfs mount:                /sys/fs/selinux
SELinux root directory:         /etc/selinux
Loaded policy name:             targeted
Current mode:                   permissive
Mode from config file:          permissive
Policy MLS status:              enabled
Policy deny_unknown status:     allowed
Memory protection checking:     actual (secure)
Max kernel policy version:      33
selinux-policy-34.11-1.fc34.noarch
----
time->Fri Jun 11 17:12:23 2021
type=AVC msg=audit(1623445943.401:916): avc:  denied  { search } for  pid=863685 comm="mdadm" name="dma_heap" dev="devtmpfs" ino=124 scontext=system_u:system_r:mdadm_t:s0-s0:c0.c1023 tcontext=system_u:object_r:dma_device_dir_t:s0 tclass=dir permissive=1
----
time->Fri Jun 11 17:12:23 2021
type=AVC msg=audit(1623445943.411:917): avc:  denied  { getattr } for  pid=863685 comm="mdadm" path="/dev/dma_heap" dev="devtmpfs" ino=124 scontext=system_u:system_r:mdadm_t:s0-s0:c0.c1023 tcontext=system_u:object_r:dma_device_dir_t:s0 tclass=dir permissive=1
----
time->Fri Jun 11 17:12:23 2021
type=AVC msg=audit(1623445943.411:918): avc:  denied  { read } for  pid=863685 comm="mdadm" name="dma_heap" dev="devtmpfs" ino=124 scontext=system_u:system_r:mdadm_t:s0-s0:c0.c1023 tcontext=system_u:object_r:dma_device_dir_t:s0 tclass=dir permissive=1
----
time->Fri Jun 11 17:12:23 2021
type=AVC msg=audit(1623445943.411:919): avc:  denied  { open } for  pid=863685 comm="mdadm" path="/dev/dma_heap" dev="devtmpfs" ino=124 scontext=system_u:system_r:mdadm_t:s0-s0:c0.c1023 tcontext=system_u:object_r:dma_device_dir_t:s0 tclass=dir permissive=1
----
time->Fri Jun 11 17:13:41 2021
type=AVC msg=audit(1623446021.201:923): avc:  denied  { search } for  pid=864140 comm="mdadm" name="dma_heap" dev="devtmpfs" ino=124 scontext=system_u:system_r:mdadm_t:s0-s0:c0.c1023 tcontext=system_u:object_r:dma_device_dir_t:s0 tclass=dir permissive=1
----
time->Fri Jun 11 17:13:41 2021
type=AVC msg=audit(1623446021.201:924): avc:  denied  { getattr } for  pid=864140 comm="mdadm" path="/dev/dma_heap" dev="devtmpfs" ino=124 scontext=system_u:system_r:mdadm_t:s0-s0:c0.c1023 tcontext=system_u:object_r:dma_device_dir_t:s0 tclass=dir permissive=1
----
time->Fri Jun 11 17:13:41 2021
type=AVC msg=audit(1623446021.201:925): avc:  denied  { read } for  pid=864140 comm="mdadm" name="dma_heap" dev="devtmpfs" ino=124 scontext=system_u:system_r:mdadm_t:s0-s0:c0.c1023 tcontext=system_u:object_r:dma_device_dir_t:s0 tclass=dir permissive=1
----
time->Fri Jun 11 17:13:41 2021
type=AVC msg=audit(1623446021.201:926): avc:  denied  { open } for  pid=864140 comm="mdadm" path="/dev/dma_heap" dev="devtmpfs" ino=124 scontext=system_u:system_r:mdadm_t:s0-s0:c0.c1023 tcontext=system_u:object_r:dma_device_dir_t:s0 tclass=dir permissive=1

Comment 3 Zdenek Pytela 2021-06-18 18:04:41 UTC

*** This bug has been marked as a duplicate of bug 1970744 ***


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