Project Number Date
test_Tails_ISO_18215-update-chutney-force-all-tests 26 06 Apr 2025, 12:40

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 11:43.187 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.
26.298
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails from DVD without network and logged in 9.736
And I prepare Tails for memory erasure tests 0.611
When I start a process allocating 128 MiB of memory with a known pattern 2.410
Then patterns cover at least 128 MiB in the guest's memory 3.997

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

When I kill the allocating process 0.529
Then I find very few patterns in the guest's memory after 5 seconds 9.012

Pattern coverage: 0.000% (0 MiB out of 850 MiB reference memory)

After features/support/hooks.rb:330 1.027
After features/support/hooks.rb:100 0.000
27.894
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.008
Given I have started Tails from DVD without network and logged in 9.013
And I prepare Tails for memory erasure tests 0.607
And I find very few patterns in the guest's memory 3.426

Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.799
Then patterns cover at least 99% of the test FS size in the guest's memory 5.514

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

When I umount "/mnt" 0.489
Then I find very few patterns in the guest's memory after 3 seconds 7.042

Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)

After features/support/hooks.rb:330 1.214
After features/support/hooks.rb:100 0.000
49.865
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.005
Given I have started Tails from DVD without network and logged in 9.347
And I prepare Tails for memory erasure tests 0.622
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.800
Then I find very few patterns in the guest's memory 3.999

Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.310
Then patterns cover at least 75% of the test FS size in the guest's memory 4.367

Pattern coverage: 89.567% (114 MiB out of 127 MiB reference memory)

When I umount the USB drive 0.797
Then I find very few patterns in the guest's memory after 3 seconds 6.487

Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)

# read cache
When I mount the USB drive again 0.212
And I read the content of the test FS 0.610
Then patterns cover at least 99% of the test FS size in the guest's memory 3.952

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

When I umount the USB drive 0.418
Then I find very few patterns in the guest's memory after 3 seconds 6.938

Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)

After features/support/hooks.rb:330 1.614
After features/support/hooks.rb:100 0.000
1:20.973
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 9.270
And I prepare Tails for memory erasure tests 0.764
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.803
Then I find very few patterns in the guest's memory 3.292

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

# write cache
When I fill the USB drive with a known pattern 1.860
Then patterns cover at least 99% of the test FS size in the guest's memory 3.818

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

When I umount the USB drive 0.932
Then I find very few patterns in the guest's memory after 3 seconds 6.365

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

# read cache
When I mount the USB drive again 5.025
And I read the content of the test FS 0.571
Then patterns cover at least 99% of the test FS size in the guest's memory 3.821

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

When I umount the USB drive 0.692
Then I find very few patterns in the guest's memory after 3 seconds 6.755

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

After features/support/hooks.rb:330 1.940
After features/support/hooks.rb:100 0.000
52.092
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails from DVD without network and logged in 8.816
And I prepare Tails for memory erasure tests 0.590
When I fill a 128 MiB file with a known pattern on the root filesystem 16.495
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.073
Then patterns cover at least 128 MiB in the guest's memory 3.167

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

When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 20.932

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

After features/support/hooks.rb:330 3.592
After features/support/hooks.rb:100 0.000
7:46.063
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 7:1.975
And I prepare Tails for memory erasure tests 0.496
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.039
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 21.536

Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)

After features/support/hooks.rb:330 3.615
After features/support/hooks.rb:100 0.013