Project Number Date
test_Tails_ISO_20522-ocr-more 42 27 Jan 2025, 05:18

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 11:4.943 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.
23.787
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.008
And I prepare Tails for memory erasure tests 0.449
When I start a process allocating 128 MiB of memory with a known pattern 2.242
Then patterns cover at least 128 MiB in the guest's memory 3.575

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

When I kill the allocating process 1.818
Then I find very few patterns in the guest's memory after 5 seconds 7.692

Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)

After features/support/hooks.rb:326 0.786
After features/support/hooks.rb:100 0.000
35.807
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 20.957
And I prepare Tails for memory erasure tests 0.402
And I find very few patterns in the guest's memory 2.811

Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.994
Then patterns cover at least 99% of the test FS size in the guest's memory 2.877

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

When I umount "/mnt" 0.707
Then I find very few patterns in the guest's memory after 3 seconds 6.056

Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)

After features/support/hooks.rb:326 1.055
After features/support/hooks.rb:100 0.000
42.161
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.865
And I prepare Tails for memory erasure tests 0.378
When I plug and mount a 128 MiB USB drive with a vfat filesystem 8.945
Then I find very few patterns in the guest's memory 2.817

Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.320
Then patterns cover at least 75% of the test FS size in the guest's memory 2.939

Pattern coverage: 84.216% (107 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.226
Then I find very few patterns in the guest's memory after 3 seconds 5.770

Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)

# read cache
When I mount the USB drive again 0.268
And I read the content of the test FS 0.530
Then patterns cover at least 99% of the test FS size in the guest's memory 2.893

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

When I umount the USB drive 0.466
Then I find very few patterns in the guest's memory after 3 seconds 5.738

Pattern coverage: 0.001% (0 MiB out of 873 MiB reference memory)

After features/support/hooks.rb:326 1.086
After features/support/hooks.rb:100 0.000
1:13.518
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.109
And I prepare Tails for memory erasure tests 0.431
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.915
Then I find very few patterns in the guest's memory 2.231

Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.373
Then patterns cover at least 99% of the test FS size in the guest's memory 2.703

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

When I umount the USB drive 0.862
Then I find very few patterns in the guest's memory after 3 seconds 5.341

Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)

# read cache
When I mount the USB drive again 5.245
And I read the content of the test FS 0.440
Then patterns cover at least 99% of the test FS size in the guest's memory 2.769

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

When I umount the USB drive 0.593
Then I find very few patterns in the guest's memory after 3 seconds 5.499

Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)

After features/support/hooks.rb:326 0.799
After features/support/hooks.rb:100 0.000
48.076
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.817
And I prepare Tails for memory erasure tests 0.352
When I fill a 128 MiB file with a known pattern on the root filesystem 15.089
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.804
Then patterns cover at least 128 MiB in the guest's memory 2.313

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

When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 20.685

Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)

After features/support/hooks.rb:326 3.505
After features/support/hooks.rb:100 0.000
7:21.591
Before features/support/hooks.rb:269 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:38.447
And I prepare Tails for memory erasure tests 0.362
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.590
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.179

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

After features/support/hooks.rb:326 3.535
After features/support/hooks.rb:100 0.011