Project Number Date
test_Tails_ISO_20634-greeter-tps-update-failure-fix 26 23 Nov 2024, 11:57

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 11:58.402 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.
21.826
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.169
And I prepare Tails for memory erasure tests 0.466
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 3.736

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

When I kill the allocating process 1.178
Then I find very few patterns in the guest's memory after 3 seconds 5.930

Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)

After features/support/hooks.rb:326 1.457
After features/support/hooks.rb:100 0.000
29.124
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.139
And I prepare Tails for memory erasure tests 0.455
And I find very few patterns in the guest's memory 3.438

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 6.113
Then patterns cover at least 99% of the test FS size in the guest's memory 4.210

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

When I umount "/mnt" 0.732
Then I find very few patterns in the guest's memory after 3 seconds 6.034

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

After features/support/hooks.rb:326 1.106
After features/support/hooks.rb:100 0.000
51.146
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.228
And I prepare Tails for memory erasure tests 0.515
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.964
Then I find very few patterns in the guest's memory 3.648

Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3.756
Then patterns cover at least 75% of the test FS size in the guest's memory 4.801

Pattern coverage: 86.074% (109 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.371
Then I find very few patterns in the guest's memory after 3 seconds 6.489

Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)

# read cache
When I mount the USB drive again 0.235
And I read the content of the test FS 0.683
Then patterns cover at least 99% of the test FS size in the guest's memory 4.254

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

When I umount the USB drive 0.595
Then I find very few patterns in the guest's memory after 3 seconds 6.601

Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)

After features/support/hooks.rb:326 1.503
After features/support/hooks.rb:100 0.000
1:19.355
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.443
And I prepare Tails for memory erasure tests 0.660
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.921
Then I find very few patterns in the guest's memory 2.865

Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.361
Then patterns cover at least 99% of the test FS size in the guest's memory 3.372

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

When I umount the USB drive 1.420
Then I find very few patterns in the guest's memory after 3 seconds 6.401

Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)

# read cache
When I mount the USB drive again 5.898
And I read the content of the test FS 0.479
Then patterns cover at least 99% of the test FS size in the guest's memory 3.481

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

When I umount the USB drive 1.054
Then I find very few patterns in the guest's memory after 3 seconds 5.994

Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)

After features/support/hooks.rb:326 0.757
After features/support/hooks.rb:100 0.000
52.548
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.119
And I prepare Tails for memory erasure tests 0.518
When I fill a 128 MiB file with a known pattern on the root filesystem 17.353
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.382
Then patterns cover at least 128 MiB in the guest's memory 3.249

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

When I trigger shutdown 0.021
Then I find very few patterns in the guest's memory after 20 seconds 20.903

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

After features/support/hooks.rb:326 3.526
After features/support/hooks.rb:100 0.000
8:4.401
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 7:15.874
And I prepare Tails for memory erasure tests 0.479
When I fill a 128 MiB file with a known pattern on the persistent filesystem 26.379
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 21.653

Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)

After features/support/hooks.rb:326 3.468
After features/support/hooks.rb:100 0.011