Project Number Date
test_Tails_ISO_stable 5101 18 Sep 2024, 19:39

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 10:43.540 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.
20.318
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.977
And I prepare Tails for memory erasure tests 0.446
When I start a process allocating 128 MiB of memory with a known pattern 2.405
Then patterns cover at least 128 MiB in the guest's memory 3.542

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

When I kill the allocating process 0.278
Then I find very few patterns in the guest's memory after 3 seconds 5.667

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

After features/support/hooks.rb:326 0.980
After features/support/hooks.rb:100 0.000
24.034
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.886
And I prepare Tails for memory erasure tests 0.386
And I find very few patterns in the guest's memory 3.042

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.850
Then patterns cover at least 99% of the test FS size in the guest's memory 3.239

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

When I umount "/mnt" 0.841
Then I find very few patterns in the guest's memory after 3 seconds 5.787

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

After features/support/hooks.rb:326 0.892
After features/support/hooks.rb:100 0.000
45.650
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.262
And I prepare Tails for memory erasure tests 0.493
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.286
Then I find very few patterns in the guest's memory 2.999

Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.687
Then patterns cover at least 75% of the test FS size in the guest's memory 3.213

Pattern coverage: 87.914% (112 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.332
Then I find very few patterns in the guest's memory after 3 seconds 5.852

Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)

# read cache
When I mount the USB drive again 0.397
And I read the content of the test FS 0.549
Then patterns cover at least 99% of the test FS size in the guest's memory 3.928

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

When I umount the USB drive 0.697
Then I find very few patterns in the guest's memory after 3 seconds 5.949

Pattern coverage: 0.001% (0 MiB out of 868 MiB reference memory)

After features/support/hooks.rb:326 0.982
After features/support/hooks.rb:100 0.000
1:13.922
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.936
And I prepare Tails for memory erasure tests 0.441
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.159
Then I find very few patterns in the guest's memory 2.475

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

# write cache
When I fill the USB drive with a known pattern 1.926
Then patterns cover at least 99% of the test FS size in the guest's memory 2.724

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

When I umount the USB drive 0.892
Then I find very few patterns in the guest's memory after 3 seconds 5.439

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

# read cache
When I mount the USB drive again 5.836
And I read the content of the test FS 0.382
Then patterns cover at least 99% of the test FS size in the guest's memory 3.354

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

When I umount the USB drive 0.692
Then I find very few patterns in the guest's memory after 3 seconds 5.658

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

After features/support/hooks.rb:326 1.142
After features/support/hooks.rb:100 0.000
50.421
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.902
And I prepare Tails for memory erasure tests 0.431
When I fill a 128 MiB file with a known pattern on the root filesystem 16.189
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.104
Then patterns cover at least 128 MiB in the guest's memory 2.999

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

When I trigger shutdown 0.039
Then I find very few patterns in the guest's memory after 20 seconds 20.755

Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)

After features/support/hooks.rb:326 3.490
After features/support/hooks.rb:100 0.000
7:9.194
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 6:25.269
And I prepare Tails for memory erasure tests 0.394
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.320
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.197

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

After features/support/hooks.rb:326 3.523
After features/support/hooks.rb:100 0.010