Project Number Date
test_Tails_ISO_devel 3429 17 Jun 2024, 12:53

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 53 0 0 0 0 53 6 0 6 11:25.325 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.
20.084
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.220
And I prepare Tails for memory erasure tests 0.711
When I start a process allocating 128 MiB of memory with a known pattern 2.437
Then patterns cover at least 128 MiB in the guest's memory 3.682

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

When I kill the allocating process 1.162
Then I find very few patterns in the guest's memory 3.869

Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)

After features/support/hooks.rb:315 0.834
After features/support/hooks.rb:100 0.000
25.026
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.699
And I prepare Tails for memory erasure tests 0.818
And I find very few patterns in the guest's memory 5.125

Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.329
Then patterns cover at least 99% of the test FS size in the guest's memory 3.433

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

When I umount "/mnt" 0.861
Then I find very few patterns in the guest's memory 3.759

Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)

After features/support/hooks.rb:315 1.033
After features/support/hooks.rb:100 0.000
50.840
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.504
And I prepare Tails for memory erasure tests 0.763
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.332
Then I find very few patterns in the guest's memory 4.042

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

# write cache
When I fill the USB drive with a known pattern 2.975
Then patterns cover at least 86% of the test FS size in the guest's memory 4.407

Pattern coverage: 89.438% (114 MiB out of 127 MiB reference memory)

When I umount the USB drive 4.900
Then I find very few patterns in the guest's memory 4.843

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

# read cache
When I mount the USB drive again 0.249
And I read the content of the test FS 0.484
Then patterns cover at least 99% of the test FS size in the guest's memory 4.288

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

When I umount the USB drive 0.683
Then I find very few patterns in the guest's memory 4.364

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

After features/support/hooks.rb:315 1.967
After features/support/hooks.rb:100 0.000
1:12.169
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.256
And I prepare Tails for memory erasure tests 0.704
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.989
Then I find very few patterns in the guest's memory 3.566

Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.861
Then patterns cover at least 99% of the test FS size in the guest's memory 2.927

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

When I umount the USB drive 0.995
Then I find very few patterns in the guest's memory 3.363

Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)

# read cache
When I mount the USB drive again 5.533
And I read the content of the test FS 0.806
Then patterns cover at least 99% of the test FS size in the guest's memory 2.824

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

When I umount the USB drive 1.275
Then I find very few patterns in the guest's memory 4.064

Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)

After features/support/hooks.rb:315 0.982
After features/support/hooks.rb:100 0.000
1:4.170
Before features/support/hooks.rb:269 0.005
Given I have started Tails from DVD without network and logged in 22.624
And I prepare Tails for memory erasure tests 0.565
When I fill a 128 MiB file with a known pattern on the root filesystem 13.702
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.193
Then patterns cover at least 128 MiB in the guest's memory 3.303

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

When I trigger shutdown 0.018
And I wait 20 seconds 20.020

Slept for 20 seconds

Then I find very few patterns in the guest's memory 1.742

Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)

After features/support/hooks.rb:315 3.676
After features/support/hooks.rb:100 0.000
7:33.033
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 6:43.640
And I prepare Tails for memory erasure tests 0.401
When I fill a 128 MiB file with a known pattern on the persistent filesystem 26.675
When I trigger shutdown 0.013
And I wait 20 seconds 20.002

Slept for 20 seconds

Then I find very few patterns in the guest's memory 2.300

Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)

After features/support/hooks.rb:315 3.534
After features/support/hooks.rb:100 0.012