Project Number Date
test_Tails_ISO_devel 3467 07 Aug 2024, 15:24

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 11:28.031 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.
21.682
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.472
And I prepare Tails for memory erasure tests 0.543
When I start a process allocating 128 MiB of memory with a known pattern 2.259
Then patterns cover at least 128 MiB in the guest's memory 3.991

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

When I kill the allocating process 0.291
Then I find very few patterns in the guest's memory after 3 seconds 6.123

Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)

After features/support/hooks.rb:326 0.824
After features/support/hooks.rb:100 0.000
27.526
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.261
And I prepare Tails for memory erasure tests 0.474
And I find very few patterns in the guest's memory 3.378

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.636
Then patterns cover at least 99% of the test FS size in the guest's memory 3.878

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

When I umount "/mnt" 1.266
Then I find very few patterns in the guest's memory after 3 seconds 7.629

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

After features/support/hooks.rb:326 1.644
After features/support/hooks.rb:100 0.000
50.919
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.056
And I prepare Tails for memory erasure tests 0.518
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.971
Then I find very few patterns in the guest's memory 3.337

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

# write cache
When I fill the USB drive with a known pattern 5.506
Then patterns cover at least 86% of the test FS size in the guest's memory 3.826

Pattern coverage: 89.867% (114 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.615
Then I find very few patterns in the guest's memory after 3 seconds 5.810

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

# read cache
When I mount the USB drive again 0.205
And I read the content of the test FS 0.583
Then patterns cover at least 99% of the test FS size in the guest's memory 3.653

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

When I umount the USB drive 1.125
Then I find very few patterns in the guest's memory after 3 seconds 6.708

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

After features/support/hooks.rb:326 0.785
After features/support/hooks.rb:100 0.000
1:21.251
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.086
And I prepare Tails for memory erasure tests 0.469
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 41.052
Then I find very few patterns in the guest's memory 2.664

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

# write cache
When I fill the USB drive with a known pattern 2.003
Then patterns cover at least 99% of the test FS size in the guest's memory 3.211

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

When I umount the USB drive 1.136
Then I find very few patterns in the guest's memory after 3 seconds 5.972

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

# read cache
When I mount the USB drive again 6.517
And I read the content of the test FS 0.551
Then patterns cover at least 99% of the test FS size in the guest's memory 3.162

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

When I umount the USB drive 0.643
Then I find very few patterns in the guest's memory after 3 seconds 5.780

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

After features/support/hooks.rb:326 0.758
After features/support/hooks.rb:100 0.000
49.594
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.861
And I prepare Tails for memory erasure tests 0.378
When I fill a 128 MiB file with a known pattern on the root filesystem 15.711
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.953
Then patterns cover at least 128 MiB in the guest's memory 2.881

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

When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.795

Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)

After features/support/hooks.rb:326 3.498
After features/support/hooks.rb:100 0.000
7:37.056
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 6:53.250
And I prepare Tails for memory erasure tests 0.462
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.065
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 21.264

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

After features/support/hooks.rb:326 3.543
After features/support/hooks.rb:100 0.011