Project Number Date
test_Tails_ISO_devel 3405 29 May 2024, 17:33

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 53 0 0 0 0 53 6 0 6 11:44.729 Passed
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.
22.112
Before features/support/hooks.rb:259 0.003
Given I have started Tails from DVD without network and logged in 8.207
And I prepare Tails for memory erasure tests 0.508
When I start a process allocating 128 MiB of memory with a known pattern 2.434
Then patterns cover at least 128 MiB in the guest's memory 5.560

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

When I kill the allocating process 1.075
Then I find very few patterns in the guest's memory 4.326

Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)

After features/support/hooks.rb:305 1.898
After features/support/hooks.rb:89 0.000
23.833
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 8.106
And I prepare Tails for memory erasure tests 0.522
And I find very few patterns in the guest's memory 4.278

Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.914
Then patterns cover at least 99% of the test FS size in the guest's memory 3.776

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

When I umount "/mnt" 0.808
Then I find very few patterns in the guest's memory 4.425

Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)

After features/support/hooks.rb:305 3.260
After features/support/hooks.rb:89 0.000
50.031
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 8.110
And I prepare Tails for memory erasure tests 0.514
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.131
Then I find very few patterns in the guest's memory 4.405

Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.762
Then patterns cover at least 86% of the test FS size in the guest's memory 5.313

Pattern coverage: 91.679% (116 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.659
Then I find very few patterns in the guest's memory 4.851

Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)

# read cache
When I mount the USB drive again 0.647
And I read the content of the test FS 1.029
Then patterns cover at least 99% of the test FS size in the guest's memory 5.762

Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.321
Then I find very few patterns in the guest's memory 4.520

Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)

After features/support/hooks.rb:305 1.390
After features/support/hooks.rb:89 0.000
1:18.880
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 9.299
And I prepare Tails for memory erasure tests 0.677
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.407
Then I find very few patterns in the guest's memory 4.517

Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.773
Then patterns cover at least 99% of the test FS size in the guest's memory 3.182

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

When I umount the USB drive 0.770
Then I find very few patterns in the guest's memory 3.993

Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)

# read cache
When I mount the USB drive again 5.814
And I read the content of the test FS 2.845
Then patterns cover at least 99% of the test FS size in the guest's memory 2.920

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

When I umount the USB drive 0.765
Then I find very few patterns in the guest's memory 3.914

Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)

After features/support/hooks.rb:305 1.703
After features/support/hooks.rb:89 0.000
53.824
Before features/support/hooks.rb:259 0.003
Given I have started Tails from DVD without network and logged in 8.099
And I prepare Tails for memory erasure tests 0.459
When I fill a 128 MiB file with a known pattern on the root filesystem 17.969
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.134
Then patterns cover at least 128 MiB in the guest's memory 3.163

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

When I trigger shutdown 0.013
And I wait 20 seconds 20.014

Slept for 20 seconds

Then I find very few patterns in the guest's memory 1.971

Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)

After features/support/hooks.rb:305 3.612
After features/support/hooks.rb:89 0.000
7:56.046
Before features/support/hooks.rb:259 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:9.642
And I prepare Tails for memory erasure tests 0.417
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.720
When I trigger shutdown 0.011
And I wait 20 seconds 20.008

Slept for 20 seconds

Then I find very few patterns in the guest's memory 2.246

Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)

After features/support/hooks.rb:305 3.547
After features/support/hooks.rb:89 0.011