Project Number Date
test_Tails_ISO_20530-tca-controls-tor-flag-file 88 26 Jan 2025, 20:56

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 11:30.655 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.
29.404
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.941
And I prepare Tails for memory erasure tests 0.395
When I start a process allocating 128 MiB of memory with a known pattern 2.344
Then patterns cover at least 128 MiB in the guest's memory 5.709

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

When I kill the allocating process 2.878
Then I find very few patterns in the guest's memory after 5 seconds 9.133

Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)

After features/support/hooks.rb:326 0.796
After features/support/hooks.rb:100 0.000
26.041
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.301
And I prepare Tails for memory erasure tests 0.750
And I find very few patterns in the guest's memory 2.991

Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.328
Then patterns cover at least 99% of the test FS size in the guest's memory 3.395

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

When I umount "/mnt" 0.973
Then I find very few patterns in the guest's memory after 3 seconds 6.300

Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)

After features/support/hooks.rb:326 1.295
After features/support/hooks.rb:100 0.000
57.680
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.438
And I prepare Tails for memory erasure tests 0.678
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.427
Then I find very few patterns in the guest's memory 4.575

Pattern coverage: 0.000% (0 MiB out of 917 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 5.920
Then patterns cover at least 75% of the test FS size in the guest's memory 5.011

Pattern coverage: 90.755% (115 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.729
Then I find very few patterns in the guest's memory after 3 seconds 6.568

Pattern coverage: 0.000% (0 MiB out of 917 MiB reference memory)

# read cache
When I mount the USB drive again 0.301
And I read the content of the test FS 1.649
Then patterns cover at least 99% of the test FS size in the guest's memory 3.565

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

When I umount the USB drive 1.043
Then I find very few patterns in the guest's memory after 3 seconds 7.772

Pattern coverage: 0.000% (0 MiB out of 917 MiB reference memory)

After features/support/hooks.rb:326 1.031
After features/support/hooks.rb:100 0.000
1:22.065
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.232
And I prepare Tails for memory erasure tests 0.480
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.824
Then I find very few patterns in the guest's memory 3.195

Pattern coverage: 0.000% (0 MiB out of 925 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3.800
Then patterns cover at least 99% of the test FS size in the guest's memory 3.399

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

When I umount the USB drive 2.513
Then I find very few patterns in the guest's memory after 3 seconds 6.079

Pattern coverage: 0.000% (0 MiB out of 925 MiB reference memory)

# read cache
When I mount the USB drive again 7.039
And I read the content of the test FS 0.666
Then patterns cover at least 99% of the test FS size in the guest's memory 3.903

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

When I umount the USB drive 0.814
Then I find very few patterns in the guest's memory after 3 seconds 6.114

Pattern coverage: 0.000% (0 MiB out of 925 MiB reference memory)

After features/support/hooks.rb:326 0.799
After features/support/hooks.rb:100 0.000
51.670
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.387
And I prepare Tails for memory erasure tests 0.449
When I fill a 128 MiB file with a known pattern on the root filesystem 16.583
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.224
Then patterns cover at least 128 MiB in the guest's memory 3.085

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

When I trigger shutdown 0.030
Then I find very few patterns in the guest's memory after 20 seconds 20.909

Pattern coverage: 0.000% (0 MiB out of 920 MiB reference memory)

After features/support/hooks.rb:326 3.507
After features/support/hooks.rb:100 0.000
7:23.792
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 6:35.203
And I prepare Tails for memory erasure tests 0.782
When I fill a 128 MiB file with a known pattern on the persistent filesystem 26.493
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.296

Pattern coverage: 0.000% (0 MiB out of 929 MiB reference memory)

After features/support/hooks.rb:326 3.489
After features/support/hooks.rb:100 0.011