Project Number Date
test_Tails_ISO_feature-arti 18 03 Dec 2024, 16:21

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 11:25.409 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.
20.377
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.085
And I prepare Tails for memory erasure tests 0.484
When I start a process allocating 128 MiB of memory with a known pattern 1.197
Then patterns cover at least 128 MiB in the guest's memory 3.562

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

When I kill the allocating process 0.980
Then I find very few patterns in the guest's memory after 3 seconds 6.066

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

After features/support/hooks.rb:326 0.873
After features/support/hooks.rb:100 0.000
23.559
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.419
And I prepare Tails for memory erasure tests 0.528
And I find very few patterns in the guest's memory 2.967

Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.632
Then patterns cover at least 99% of the test FS size in the guest's memory 3.277

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

When I umount "/mnt" 0.580
Then I find very few patterns in the guest's memory after 3 seconds 6.152

Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)

After features/support/hooks.rb:326 0.757
After features/support/hooks.rb:100 0.000
49.952
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.472
And I prepare Tails for memory erasure tests 0.499
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.332
Then I find very few patterns in the guest's memory 3.568

Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.498
Then patterns cover at least 75% of the test FS size in the guest's memory 4.569

Pattern coverage: 84.767% (108 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.896
Then I find very few patterns in the guest's memory after 3 seconds 6.650

Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)

# read cache
When I mount the USB drive again 0.245
And I read the content of the test FS 0.989
Then patterns cover at least 99% of the test FS size in the guest's memory 4.039

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

When I umount the USB drive 0.567
Then I find very few patterns in the guest's memory after 3 seconds 6.622

Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)

After features/support/hooks.rb:326 0.812
After features/support/hooks.rb:100 0.000
1:15.718
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.407
And I prepare Tails for memory erasure tests 0.408
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.292
Then I find very few patterns in the guest's memory 2.859

Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.843
Then patterns cover at least 99% of the test FS size in the guest's memory 2.840

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

When I umount the USB drive 0.912
Then I find very few patterns in the guest's memory after 3 seconds 5.571

Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)

# read cache
When I mount the USB drive again 6.227
And I read the content of the test FS 0.975
Then patterns cover at least 99% of the test FS size in the guest's memory 3.137

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

When I umount the USB drive 1.067
Then I find very few patterns in the guest's memory after 3 seconds 6.175

Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)

After features/support/hooks.rb:326 0.957
After features/support/hooks.rb:100 0.000
50.709
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.577
And I prepare Tails for memory erasure tests 0.469
When I fill a 128 MiB file with a known pattern on the root filesystem 16.054
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.591
Then patterns cover at least 128 MiB in the guest's memory 3.082

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

When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 20.917

Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)

After features/support/hooks.rb:326 3.575
After features/support/hooks.rb:100 0.000
7:45.092
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 6:58.928
And I prepare Tails for memory erasure tests 0.469
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.206
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.474

Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)

After features/support/hooks.rb:326 3.953
After features/support/hooks.rb:100 0.014