Project Number Date
test_Tails_ISO_stable 5072 05 Sep 2024, 08:34

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 11:22.899 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.
21.818
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.104
And I prepare Tails for memory erasure tests 0.448
When I start a process allocating 128 MiB of memory with a known pattern 2.416
Then patterns cover at least 128 MiB in the guest's memory 3.590

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

When I kill the allocating process 1.465
Then I find very few patterns in the guest's memory after 3 seconds 5.792

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

After features/support/hooks.rb:326 0.919
After features/support/hooks.rb:100 0.000
24.617
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.230
And I prepare Tails for memory erasure tests 0.599
And I find very few patterns in the guest's memory 2.990

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.333
Then patterns cover at least 99% of the test FS size in the guest's memory 3.399

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

When I umount "/mnt" 1.155
Then I find very few patterns in the guest's memory after 3 seconds 5.908

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

After features/support/hooks.rb:326 0.982
After features/support/hooks.rb:100 0.000
52.205
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.222
And I prepare Tails for memory erasure tests 0.436
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.256
Then I find very few patterns in the guest's memory 3.395

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

# write cache
When I fill the USB drive with a known pattern 5.508
Then patterns cover at least 75% of the test FS size in the guest's memory 3.873

Pattern coverage: 90.164% (115 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.559
Then I find very few patterns in the guest's memory after 3 seconds 5.920

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

# read cache
When I mount the USB drive again 1.753
And I read the content of the test FS 0.707
Then patterns cover at least 99% of the test FS size in the guest's memory 3.473

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

When I umount the USB drive 0.604
Then I find very few patterns in the guest's memory after 3 seconds 6.493

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

After features/support/hooks.rb:326 1.130
After features/support/hooks.rb:100 0.000
1:12.593
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.472
And I prepare Tails for memory erasure tests 0.739
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.231
Then I find very few patterns in the guest's memory 2.699

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

# write cache
When I fill the USB drive with a known pattern 2.289
Then patterns cover at least 99% of the test FS size in the guest's memory 2.806

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

When I umount the USB drive 0.905
Then I find very few patterns in the guest's memory after 3 seconds 5.582

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

# read cache
When I mount the USB drive again 5.296
And I read the content of the test FS 0.508
Then patterns cover at least 99% of the test FS size in the guest's memory 2.850

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 after 3 seconds 5.446

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

After features/support/hooks.rb:326 1.077
After features/support/hooks.rb:100 0.000
50.996
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.151
And I prepare Tails for memory erasure tests 0.514
When I fill a 128 MiB file with a known pattern on the root filesystem 17.218
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.656
Then patterns cover at least 128 MiB in the guest's memory 2.723

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 20.717

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

After features/support/hooks.rb:326 3.558
After features/support/hooks.rb:100 0.000
7:40.668
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 6:54.937
And I prepare Tails for memory erasure tests 0.535
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.804
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.376

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

After features/support/hooks.rb:326 3.539
After features/support/hooks.rb:100 0.011