Project Number Date
test_Tails_ISO_feature-arti 25 10 Dec 2024, 17:11

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 11:16.376 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.
20.917
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.147
And I prepare Tails for memory erasure tests 0.444
When I start a process allocating 128 MiB of memory with a known pattern 1.278
Then patterns cover at least 128 MiB in the guest's memory 4.292

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

When I kill the allocating process 0.811
Then I find very few patterns in the guest's memory after 3 seconds 5.942

Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)

After features/support/hooks.rb:326 0.740
After features/support/hooks.rb:100 0.000
23.267
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.001
And I prepare Tails for memory erasure tests 0.461
And I find very few patterns in the guest's memory 2.866

Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.819
Then patterns cover at least 99% of the test FS size in the guest's memory 3.398

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

When I umount "/mnt" 0.769
Then I find very few patterns in the guest's memory after 3 seconds 5.950

Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)

After features/support/hooks.rb:326 3.067
After features/support/hooks.rb:100 0.000
47.862
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.311
And I prepare Tails for memory erasure tests 0.423
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.960
Then I find very few patterns in the guest's memory 2.761

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

# write cache
When I fill the USB drive with a known pattern 2.461
Then patterns cover at least 75% of the test FS size in the guest's memory 3.159

Pattern coverage: 90.779% (115 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.198
Then I find very few patterns in the guest's memory after 3 seconds 6.096

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

# read cache
When I mount the USB drive again 0.480
And I read the content of the test FS 0.466
Then patterns cover at least 99% of the test FS size in the guest's memory 3.894

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

When I umount the USB drive 1.946
Then I find very few patterns in the guest's memory after 3 seconds 6.701

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

After features/support/hooks.rb:326 0.794
After features/support/hooks.rb:100 0.000
1:19.078
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.278
And I prepare Tails for memory erasure tests 0.472
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.449
Then I find very few patterns in the guest's memory 2.966

Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.778
Then patterns cover at least 99% of the test FS size in the guest's memory 3.807

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

When I umount the USB drive 2.074
Then I find very few patterns in the guest's memory after 3 seconds 7.758

Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)

# read cache
When I mount the USB drive again 5.322
And I read the content of the test FS 0.427
Then patterns cover at least 99% of the test FS size in the guest's memory 5.371

Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 1.167
Then I find very few patterns in the guest's memory after 3 seconds 6.203

Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)

After features/support/hooks.rb:326 0.783
After features/support/hooks.rb:100 0.000
51.862
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.410
And I prepare Tails for memory erasure tests 0.491
When I fill a 128 MiB file with a known pattern on the root filesystem 16.024
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.612
Then patterns cover at least 128 MiB in the guest's memory 3.291

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 21.019

Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)

After features/support/hooks.rb:326 3.558
After features/support/hooks.rb:100 0.000
7:33.387
Before features/support/hooks.rb:269 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:45.259
And I prepare Tails for memory erasure tests 0.572
When I fill a 128 MiB file with a known pattern on the persistent filesystem 26.067
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.473

Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)

After features/support/hooks.rb:326 3.675
After features/support/hooks.rb:100 0.022