[Bug 1809704] Re: efivarfs test in ubuntu_kernel_selftest failed on the second run with Xenial AMD64

** Summary changed:

- efivarfs test in ubuntu_kernel_selftest failed on Xenial AMD64
+ efivarfs test in ubuntu_kernel_selftest failed on the second run with Xenial AMD64

** Description changed:

- The open(O_WRONLY) test in test_create_read failed with premission denied.
+ This seems to be an issue to the test case, if you run the test suite
+ twice, it will fail on the second run.
+
+ The first run will create the test file:
+ $ ll /sys/firmware/efi/efivars/test_create_read-210be57c-9849-4fc7-a635-e6382d1aec27
+ -rw------- 1 root root 0 Dec 24 07:16 /sys/firmware/efi/efivars/test_create_read-210be57c-9849-4fc7-a635-e6382d1aec27
+
+ This is cause the open(O_WRONLY) test in test_create_read failed with premission denied on the second run.
This issue can be reproduced with upstream kernel tree on Xenial as well.
-

$ sudo make -C linux/tools/testing/selftests TARGETS=efivarfs run_tests
make: Entering directory '/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests'
for TARGET in efivarfs; do \
- make -C $TARGET; \
+  make -C $TARGET; \
done;
make[1]: Entering directory '/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests/efivarfs'
make[1]: Nothing to be done for 'all'.
make[1]: Leaving directory '/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests/efivarfs'
for TARGET in efivarfs; do \
- make -C $TARGET run_tests; \
+  make -C $TARGET run_tests; \
done;
make[1]: Entering directory '/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests/efivarfs'
--------------------
running test_create
--------------------
./efivarfs.sh: line 48: /sys/firmware/efi/efivars/test_create-210be57c-9849-4fc7-a635-e6382d1aec27: Permission denied
- [PASS]
+   [PASS]
--------------------
running test_create_empty
--------------------
./efivarfs.sh: line 65: /sys/firmware/efi/efivars/test_create_empty-210be57c-9849-4fc7-a635-e6382d1aec27: Permission denied
- [PASS]
+   [PASS]
--------------------
running test_create_read
--------------------
open(O_WRONLY): Permission denied
- [FAIL]
+   [FAIL]
--------------------
running test_delete
--------------------
- [PASS]
+   [PASS]
--------------------
running test_zero_size_delete
--------------------
- [PASS]
+   [PASS]
--------------------
running test_open_unlink
--------------------
- [PASS]
+   [PASS]
--------------------
running test_valid_filenames
--------------------
- [PASS]
+   [PASS]
--------------------
running test_invalid_filenames
--------------------
- [PASS]
+   [PASS]
selftests: efivarfs.sh [FAIL]
make[1]: Leaving directory '/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests/efivarfs'
make: Leaving directory '/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests'

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-4.4.0-141-generic 4.4.0-141.167
ProcVersionSignature: User Name 4.4.0-141.167-generic 4.4.162
Uname: Linux 4.4.0-141-generic x86_64
AlsaDevices:
- total 0
- crw-rw---- 1 root audio 116, 1 Dec 24 05:10 seq
- crw-rw---- 1 root audio 116, 33 Dec 24 05:10 timer
+  total 0
+  crw-rw---- 1 root audio 116, 1 Dec 24 05:10 seq
+  crw-rw---- 1 root audio 116, 33 Dec 24 05:10 timer
AplayDevices: Error: [Errno 2] No such file or directory: 'aplay'
ApportVersion: 2.20.1-0ubuntu2.18
Architecture: amd64
ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord'
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
CurrentDmesg:
- [92859.670497] smpboot: CPU 111 is now offline
- [92859.723040] kvm: disabled by bios
- [92859.750562] smpboot: Booting Node 1 Processor 111 APIC 0x7d
- [92859.821706] kvm: disabled by bios
+  [92859.670497] smpboot: CPU 111 is now offline
+  [92859.723040] kvm: disabled by bios
+  [92859.750562] smpboot: Booting Node 1 Processor 111 APIC 0x7d
+  [92859.821706] kvm: disabled by bios
Date: Tue Dec 25 06:30:01 2018
IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig'
Lsusb:
- Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
- Bus 001 Device 003: ID 0b1f:03e9 Insyde Software Corp.
- Bus 001 Device 002: ID 0000:0001
- Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
+  Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
+  Bus 001 Device 003: ID 0b1f:03e9 Insyde Software Corp.
+  Bus 001 Device 002: ID 0000:0001
+  Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: Intel Corporation S2600WFT
PciMultimedia:
-
+
ProcFB: 0 astdrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-141-generic.efi.signed root=UUID=e93f24ed-4e90-4ccb-ba6d-f3b97fe0436f ro console=ttyS0,115200n8
RelatedPackageVersions:
- linux-restricted-modules-4.4.0-141-generic N/A
- linux-backports-modules-4.4.0-141-generic N/A
- linux-firmware 1.157.21
+  linux-restricted-modules-4.4.0-141-generic N/A
+  linux-backports-modules-4.4.0-141-generic N/A
+  linux-firmware 1.157.21
RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 11/29/2016
dmi.bios.vendor: Intel Corporation
dmi.bios.version: SE5C620.86B.01.00.0336.112920161700
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: S2600WFT
dmi.board.vendor: Intel Corporation
dmi.board.version: H48104-410
dmi.chassis.asset.tag: ....................
dmi.chassis.type: 23
dmi.chassis.vendor: ...............................
dmi.chassis.version: ..................
dmi.modalias: dmi:bvnIntelCorporation:bvrSE5C620.86B.01.00.0336.112920161700:bd11/29/2016:svnIntelCorporation:pnS2600WFT:pvr....................:rvnIntelCorporation:rnS2600WFT:rvrH48104-410:cvn...............................:ct23:cvr..................:
dmi.product.name: S2600WFT
dmi.product.version: ....................
dmi.sys.vendor: Intel Corporation

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https://bugs.launchpad.net/bugs/1809704

Title:
efivarfs test in ubuntu_kernel_selftest failed on the second run with
Xenial AMD64

Status in ubuntu-kernel-tests:
New
Status in linux package in Ubuntu:
Incomplete

Bug description:
This seems to be an issue to the test case, if you run the test suite
twice, it will fail on the second run.

The first run will create the test file:
$ ll /sys/firmware/efi/efivars/test_create_read-210be57c-9849-4fc7-a635-e6382d1aec27
-rw------- 1 root root 0 Dec 24 07:16 /sys/firmware/efi/efivars/test_create_read-210be57c-9849-4fc7-a635-e6382d1aec27

This is cause the open(O_WRONLY) test in test_create_read failed with premission denied on the second run.
This issue can be reproduced with upstream kernel tree on Xenial as well.

$ sudo make -C linux/tools/testing/selftests TARGETS=efivarfs run_tests
make: Entering directory '/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests'
for TARGET in efivarfs; do \
 make -C $TARGET; \
done;
make[1]: Entering directory '/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests/efivarfs'
make[1]: Nothing to be done for 'all'.
make[1]: Leaving directory '/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests/efivarfs'
for TARGET in efivarfs; do \
 make -C $TARGET run_tests; \
done;
make[1]: Entering directory '/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests/efivarfs'
--------------------
running test_create
--------------------
./efivarfs.sh: line 48: /sys/firmware/efi/efivars/test_create-210be57c-9849-4fc7-a635-e6382d1aec27: Permission denied
  [PASS]
--------------------
running test_create_empty
--------------------
./efivarfs.sh: line 65: /sys/firmware/efi/efivars/test_create_empty-210be57c-9849-4fc7-a635-e6382d1aec27: Permission denied
  [PASS]
--------------------
running test_create_read
--------------------
open(O_WRONLY): Permission denied
  [FAIL]
--------------------
running test_delete
--------------------
  [PASS]
--------------------
running test_zero_size_delete
--------------------
  [PASS]
--------------------
running test_open_unlink
--------------------
  [PASS]
--------------------
running test_valid_filenames
--------------------
  [PASS]
--------------------
running test_invalid_filenames
--------------------
  [PASS]
selftests: efivarfs.sh [FAIL]
make[1]: Leaving directory '/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests/efivarfs'
make: Leaving directory '/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests'

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-4.4.0-141-generic 4.4.0-141.167
ProcVersionSignature: User Name 4.4.0-141.167-generic 4.4.162
Uname: Linux 4.4.0-141-generic x86_64
AlsaDevices:
 total 0
 crw-rw---- 1 root audio 116, 1 Dec 24 05:10 seq
 crw-rw---- 1 root audio 116, 33 Dec 24 05:10 timer
AplayDevices: Error: [Errno 2] No such file or directory: 'aplay'
ApportVersion: 2.20.1-0ubuntu2.18
Architecture: amd64
ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord'
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
CurrentDmesg:
 [92859.670497] smpboot: CPU 111 is now offline
 [92859.723040] kvm: disabled by bios
 [92859.750562] smpboot: Booting Node 1 Processor 111 APIC 0x7d
 [92859.821706] kvm: disabled by bios
Date: Tue Dec 25 06:30:01 2018
IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig'
Lsusb:
 Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
 Bus 001 Device 003: ID 0b1f:03e9 Insyde Software Corp.
 Bus 001 Device 002: ID 0000:0001
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: Intel Corporation S2600WFT
PciMultimedia:

ProcFB: 0 astdrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-141-generic.efi.signed root=UUID=e93f24ed-4e90-4ccb-ba6d-f3b97fe0436f ro console=ttyS0,115200n8
RelatedPackageVersions:
 linux-restricted-modules-4.4.0-141-generic N/A
 linux-backports-modules-4.4.0-141-generic N/A
 linux-firmware 1.157.21
RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 11/29/2016
dmi.bios.vendor: Intel Corporation
dmi.bios.version: SE5C620.86B.01.00.0336.112920161700
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: S2600WFT
dmi.board.vendor: Intel Corporation
dmi.board.version: H48104-410
dmi.chassis.asset.tag: ....................
dmi.chassis.type: 23
dmi.chassis.vendor: ...............................
dmi.chassis.version: ..................
dmi.modalias: dmi:bvnIntelCorporation:bvrSE5C620.86B.01.00.0336.112920161700:bd11/29/2016:svnIntelCorporation:pnS2600WFT:pvr....................:rvnIntelCorporation:rnS2600WFT:rvrH48104-410:cvn...............................:ct23:cvr..................:
dmi.product.name: S2600WFT
dmi.product.version: ....................
dmi.sys.vendor: Intel Corporation

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