Project Number Date
test_Tails_ISO_devel 3421 08 Jun 2024, 12:26

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 12:4.088 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.
44.244
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 12.776
And I prepare Tails for memory erasure tests 1.180
When I start a process allocating 128 MiB of memory with a known pattern 5.820
Then patterns cover at least 128 MiB in the guest's memory 4.002

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

When I kill the allocating process 16.101
Then I find very few patterns in the guest's memory 4.362

Pattern coverage: 0.000% (0 MiB out of 861 MiB reference memory)

After features/support/hooks.rb:315 0.760
After features/support/hooks.rb:100 0.000
23.299
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.280
And I prepare Tails for memory erasure tests 0.414
And I find very few patterns in the guest's memory 4.747

Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.795
Then patterns cover at least 99% of the test FS size in the guest's memory 3.410

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

When I umount "/mnt" 0.774
Then I find very few patterns in the guest's memory 3.876

Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)

After features/support/hooks.rb:315 0.772
After features/support/hooks.rb:100 0.000
45.636
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.488
And I prepare Tails for memory erasure tests 0.417
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.444
Then I find very few patterns in the guest's memory 4.669

Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.654
Then patterns cover at least 86% of the test FS size in the guest's memory 4.352

Pattern coverage: 87.941% (112 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.410
Then I find very few patterns in the guest's memory 4.180

Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)

# read cache
When I mount the USB drive again 0.301
And I read the content of the test FS 0.550
Then patterns cover at least 99% of the test FS size in the guest's memory 3.779

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

When I umount the USB drive 0.611
Then I find very few patterns in the guest's memory 3.775

Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)

After features/support/hooks.rb:315 1.063
After features/support/hooks.rb:100 0.000
1:19.084
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.139
And I prepare Tails for memory erasure tests 0.399
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.948
Then I find very few patterns in the guest's memory 3.635

Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 4.029
Then patterns cover at least 99% of the test FS size in the guest's memory 3.172

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

When I umount the USB drive 0.936
Then I find very few patterns in the guest's memory 3.919

Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)

# read cache
When I mount the USB drive again 5.203
And I read the content of the test FS 0.462
Then patterns cover at least 99% of the test FS size in the guest's memory 3.389

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

When I umount the USB drive 3.807
Then I find very few patterns in the guest's memory 4.040

Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)

After features/support/hooks.rb:315 3.465
After features/support/hooks.rb:100 0.000
58.213
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 16.748
And I prepare Tails for memory erasure tests 0.430
When I fill a 128 MiB file with a known pattern on the root filesystem 14.638
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.708
Then patterns cover at least 128 MiB in the guest's memory 2.888

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

When I trigger shutdown 0.012
And I wait 20 seconds 20.020

Slept for 20 seconds

Then I find very few patterns in the guest's memory 1.767

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

After features/support/hooks.rb:315 3.550
After features/support/hooks.rb:100 0.000
7:53.610
Before features/support/hooks.rb:269 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:8.407
And I prepare Tails for memory erasure tests 0.433
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.490
When I trigger shutdown 0.015
And I wait 20 seconds 20.014

Slept for 20 seconds

Then I find very few patterns in the guest's memory 2.248

Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)

After features/support/hooks.rb:315 3.499
After features/support/hooks.rb:100 0.011