Project Number Date
test_Tails_ISO_stable 5232 30 Oct 2024, 04:22

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 10:55.268 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.
21.200
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.024
And I prepare Tails for memory erasure tests 0.624
When I start a process allocating 128 MiB of memory with a known pattern 2.429
Then patterns cover at least 128 MiB in the guest's memory 3.526

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

When I kill the allocating process 0.803
Then I find very few patterns in the guest's memory after 3 seconds 5.792

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

After features/support/hooks.rb:326 1.143
After features/support/hooks.rb:100 0.000
23.084
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.804
And I prepare Tails for memory erasure tests 0.515
And I find very few patterns in the guest's memory 2.761

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.843
Then patterns cover at least 99% of the test FS size in the guest's memory 3.163

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

When I umount "/mnt" 1.226
Then I find very few patterns in the guest's memory after 3 seconds 5.769

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

After features/support/hooks.rb:326 0.848
After features/support/hooks.rb:100 0.000
51.778
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.134
And I prepare Tails for memory erasure tests 0.620
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.142
Then I find very few patterns in the guest's memory 2.958

Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 6.549
Then patterns cover at least 75% of the test FS size in the guest's memory 3.412

Pattern coverage: 89.999% (114 MiB out of 127 MiB reference memory)

When I umount the USB drive 2.624
Then I find very few patterns in the guest's memory after 3 seconds 5.834

Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)

# read cache
When I mount the USB drive again 0.260
And I read the content of the test FS 0.787
Then patterns cover at least 99% of the test FS size in the guest's memory 3.126

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

When I umount the USB drive 1.488
Then I find very few patterns in the guest's memory after 3 seconds 5.837

Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)

After features/support/hooks.rb:326 0.989
After features/support/hooks.rb:100 0.000
1:12.569
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.341
And I prepare Tails for memory erasure tests 0.724
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.637
Then I find very few patterns in the guest's memory 2.448

Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.674
Then patterns cover at least 99% of the test FS size in the guest's memory 2.815

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

When I umount the USB drive 1.077
Then I find very few patterns in the guest's memory after 3 seconds 5.334

Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)

# read cache
When I mount the USB drive again 4.600
And I read the content of the test FS 0.409
Then patterns cover at least 99% of the test FS size in the guest's memory 2.726

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

When I umount the USB drive 1.488
Then I find very few patterns in the guest's memory after 3 seconds 5.290

Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)

After features/support/hooks.rb:326 2.793
After features/support/hooks.rb:100 0.000
50.910
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.987
And I prepare Tails for memory erasure tests 0.640
When I fill a 128 MiB file with a known pattern on the root filesystem 14.043
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 5.075
Then patterns cover at least 128 MiB in the guest's memory 2.425

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

When I trigger shutdown 0.042
Then I find very few patterns in the guest's memory after 20 seconds 20.694

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

After features/support/hooks.rb:326 3.683
After features/support/hooks.rb:100 0.000
7:15.723
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 6:30.714
And I prepare Tails for memory erasure tests 0.499
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.090
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.405

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

After features/support/hooks.rb:326 3.507
After features/support/hooks.rb:100 0.011