Project Number Date
test_Tails_ISO_devel 3353 17 Apr 2024, 12:17

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 45 1 7 0 0 53 5 1 6 10:15.349 Failed
Feature System memory erasure on shutdown
As a Tails user when I shutdown Tails I want the system memory to be free from sensitive data.
19.836
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 9.078
And I prepare Tails for memory erasure tests 0.659
When I start a process allocating 128 MiB of memory with a known pattern 1.421
Then patterns cover at least 128 MiB in the guest's memory 3.657

Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)

When I kill the allocating process 0.491
Then I find very few patterns in the guest's memory 4.528

Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)

After features/support/hooks.rb:305 0.777
After features/support/hooks.rb:89 0.000
23.719
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 8.248
And I prepare Tails for memory erasure tests 0.447
And I find very few patterns in the guest's memory 4.929

Pattern coverage: 0.000% (0 MiB out of 864 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.304
Then patterns cover at least 99% of the test FS size in the guest's memory 4.617

Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)

When I umount "/mnt" 0.469
Then I find very few patterns in the guest's memory 3.703

Pattern coverage: 0.000% (0 MiB out of 864 MiB reference memory)

After features/support/hooks.rb:305 1.585
After features/support/hooks.rb:89 0.000
25.814
Scenario Erasure of read and write disk caches on unmount: vfat
Before features/support/hooks.rb:259 0.003
Steps
Given I have started Tails from DVD without network and logged in 8.001
And I prepare Tails for memory erasure tests 0.400
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.918
Then I find very few patterns in the guest's memory 4.258

Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.242
Then patterns cover at least 86% of the test FS size in the guest's memory 3.993
85.921% of the test FS size (127.599609375 MiB) has the pattern, but more than 86.000% was expected.
<false> is not true. (Test::Unit::AssertionFailedError)
./features/step_definitions/erase_memory.rb:170:in `/^patterns cover at least (\d+)% of the test FS size in the guest's memory$/'
features/erase_memory.feature:37:in `Then patterns cover at least 86% of the test FS size in the guest's memory'
Output 1

Pattern coverage: 85.921% (109 MiB out of 127 MiB reference memory)

When I umount the USB drive 0.000
Then I find very few patterns in the guest's memory 0.000
# read cache
When I mount the USB drive again 0.000
And I read the content of the test FS 0.000
Then patterns cover at least 99% of the test FS size in the guest's memory 0.000
When I umount the USB drive 0.000
Then I find very few patterns in the guest's memory 0.000
After features/support/hooks.rb:305 4.458

SCENARIO FAILED: 'Erasure of read and write disk caches on unmount: vfat' (at time 00:27:18)

Screenshot: https://jenkins.tails.boum.org/job/test_Tails_ISO_devel/3353/artifact/build-artifacts/00:27:18_Erasure_of_read_and_write_disk_caches_on_unmount:_vfat.png

Video: https://jenkins.tails.boum.org/job/test_Tails_ISO_devel/3353/artifact/build-artifacts/00:27:18_Erasure_of_read_and_write_disk_caches_on_unmount:_vfat.mkv

Boot log: https://jenkins.tails.boum.org/job/test_Tails_ISO_devel/3353/artifact/build-artifacts/00:27:18_Erasure_of_read_and_write_disk_caches_on_unmount:_vfat.boot-log

Systemd journal: https://jenkins.tails.boum.org/job/test_Tails_ISO_devel/3353/artifact/build-artifacts/00:27:18_Erasure_of_read_and_write_disk_caches_on_unmount:_vfat.journal

After features/support/hooks.rb:89 0.000
1:10.697
Before features/support/hooks.rb:259 0.003
Given I have started Tails from DVD without network and logged in 8.127
And I prepare Tails for memory erasure tests 0.421
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.125
Then I find very few patterns in the guest's memory 3.785

Pattern coverage: 0.000% (0 MiB out of 863 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 6.424
Then patterns cover at least 99% of the test FS size in the guest's memory 2.984

Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.628
Then I find very few patterns in the guest's memory 3.585

Pattern coverage: 0.000% (0 MiB out of 863 MiB reference memory)

# read cache
When I mount the USB drive again 3.849
And I read the content of the test FS 0.618
Then patterns cover at least 99% of the test FS size in the guest's memory 3.184

Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.412
Then I find very few patterns in the guest's memory 3.550

Pattern coverage: 0.000% (0 MiB out of 863 MiB reference memory)

After features/support/hooks.rb:305 0.644
After features/support/hooks.rb:89 0.000
49.923
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 7.928
And I prepare Tails for memory erasure tests 0.427
When I fill a 128 MiB file with a known pattern on the root filesystem 15.637
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.217
Then patterns cover at least 128 MiB in the guest's memory 2.928

Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)

When I trigger shutdown 0.013
And I wait 20 seconds 20.020

Slept for 20 seconds

Then I find very few patterns in the guest's memory 1.750

Pattern coverage: 0.000% (0 MiB out of 867 MiB reference memory)

After features/support/hooks.rb:305 3.545
After features/support/hooks.rb:89 0.000
7:5.357
Before features/support/hooks.rb:259 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:22.091
And I prepare Tails for memory erasure tests 0.402
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.634
When I trigger shutdown 0.011
And I wait 20 seconds 20.020

Slept for 20 seconds

Then I find very few patterns in the guest's memory 2.196

Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)

After features/support/hooks.rb:305 3.481
After features/support/hooks.rb:89 0.011