Project Number Date
test_Tails_ISO_20979-pdfarranger 3 29 May 2025, 03:32

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 51 0 0 0 0 51 6 0 6 10:43.153 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.
23.491
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 7.959
And I prepare Tails for memory erasure tests 0.423
When I start a process allocating 128 MiB of memory with a known pattern 2.364
Then patterns cover at least 128 MiB in the guest's memory 3.673

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

When I kill the allocating process 0.686
Then I find very few patterns in the guest's memory after 5 seconds 8.384

Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)

After features/support/hooks.rb:330 0.716
After features/support/hooks.rb:100 0.000
23.598
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 7.941
And I prepare Tails for memory erasure tests 0.379
And I find very few patterns in the guest's memory 2.903

Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.805
Then patterns cover at least 99% of the test FS size in the guest's memory 3.746

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

When I umount "/mnt" 0.663
Then I find very few patterns in the guest's memory after 3 seconds 6.158

Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)

After features/support/hooks.rb:330 0.798
After features/support/hooks.rb:100 0.000
45.332
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 7.932
And I prepare Tails for memory erasure tests 0.411
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.157
Then I find very few patterns in the guest's memory 2.979

Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.675
Then patterns cover at least 75% of the test FS size in the guest's memory 3.502

Pattern coverage: 86.723% (110 MiB out of 127 MiB reference memory)

When I umount the USB drive 0.927
Then I find very few patterns in the guest's memory after 3 seconds 6.552

Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)

# read cache
When I mount the USB drive again 0.263
And I read the content of the test FS 0.700
Then patterns cover at least 99% of the test FS size in the guest's memory 3.781

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

When I umount the USB drive 0.353
Then I find very few patterns in the guest's memory after 3 seconds 6.094

Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)

After features/support/hooks.rb:330 1.329
After features/support/hooks.rb:100 0.000
1:12.378
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 7.875
And I prepare Tails for memory erasure tests 0.371
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.314
Then I find very few patterns in the guest's memory 2.748

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

# write cache
When I fill the USB drive with a known pattern 1.575
Then patterns cover at least 99% of the test FS size in the guest's memory 3.451

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

When I umount the USB drive 0.732
Then I find very few patterns in the guest's memory after 3 seconds 5.827

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

# read cache
When I mount the USB drive again 3.924
And I read the content of the test FS 0.444
Then patterns cover at least 99% of the test FS size in the guest's memory 3.011

Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.524
Then I find very few patterns in the guest's memory after 3 seconds 5.575

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

After features/support/hooks.rb:330 1.253
After features/support/hooks.rb:100 0.000
50.488
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 7.950
And I prepare Tails for memory erasure tests 0.424
When I fill a 128 MiB file with a known pattern on the root filesystem 16.832
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.631
Then patterns cover at least 128 MiB in the guest's memory 2.729

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

When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 20.902

Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)

After features/support/hooks.rb:330 3.503
After features/support/hooks.rb:100 0.000
7:7.864
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:24.465
And I prepare Tails for memory erasure tests 0.488
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.642
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.256

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

After features/support/hooks.rb:330 3.530
After features/support/hooks.rb:100 0.011