Project Number Date
test_Tails_ISO_20530-tca-controls-tor-flag-file 72 01 Jan 2025, 20:45

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 11:36.102 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.
20.345
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.169
And I prepare Tails for memory erasure tests 0.490
When I start a process allocating 128 MiB of memory with a known pattern 2.474
Then patterns cover at least 128 MiB in the guest's memory 3.415

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

When I kill the allocating process 0.261
Then I find very few patterns in the guest's memory after 3 seconds 5.534

Pattern coverage: 0.000% (0 MiB out of 939 MiB reference memory)

After features/support/hooks.rb:326 0.805
After features/support/hooks.rb:100 0.000
25.713
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.170
And I prepare Tails for memory erasure tests 0.433
And I find very few patterns in the guest's memory 2.928

Pattern coverage: 0.000% (0 MiB out of 919 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 4.170
Then patterns cover at least 99% of the test FS size in the guest's memory 3.128

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

When I umount "/mnt" 1.184
Then I find very few patterns in the guest's memory after 3 seconds 5.696

Pattern coverage: 0.000% (0 MiB out of 919 MiB reference memory)

After features/support/hooks.rb:326 1.413
After features/support/hooks.rb:100 0.000
51.430
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.553
And I prepare Tails for memory erasure tests 0.466
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.126
Then I find very few patterns in the guest's memory 2.765

Pattern coverage: 0.000% (0 MiB out of 923 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.970
Then patterns cover at least 75% of the test FS size in the guest's memory 4.190

Pattern coverage: 88.492% (112 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.307
Then I find very few patterns in the guest's memory after 3 seconds 6.534

Pattern coverage: 0.000% (0 MiB out of 923 MiB reference memory)

# read cache
When I mount the USB drive again 0.355
And I read the content of the test FS 0.757
Then patterns cover at least 99% of the test FS size in the guest's memory 4.615

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

When I umount the USB drive 0.679
Then I find very few patterns in the guest's memory after 3 seconds 8.107

Pattern coverage: 0.000% (0 MiB out of 923 MiB reference memory)

After features/support/hooks.rb:326 0.801
After features/support/hooks.rb:100 0.000
1:23.033
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.071
And I prepare Tails for memory erasure tests 0.428
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 42.708
Then I find very few patterns in the guest's memory 2.477

Pattern coverage: 0.000% (0 MiB out of 918 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.795
Then patterns cover at least 99% of the test FS size in the guest's memory 2.784

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

When I umount the USB drive 1.327
Then I find very few patterns in the guest's memory after 3 seconds 6.216

Pattern coverage: 0.000% (0 MiB out of 918 MiB reference memory)

# read cache
When I mount the USB drive again 5.841
And I read the content of the test FS 0.555
Then patterns cover at least 99% of the test FS size in the guest's memory 3.614

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

When I umount the USB drive 1.029
Then I find very few patterns in the guest's memory after 3 seconds 6.182

Pattern coverage: 0.000% (0 MiB out of 918 MiB reference memory)

After features/support/hooks.rb:326 0.933
After features/support/hooks.rb:100 0.000
50.361
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.397
And I prepare Tails for memory erasure tests 0.418
When I fill a 128 MiB file with a known pattern on the root filesystem 14.883
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.786
Then patterns cover at least 128 MiB in the guest's memory 2.991

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 20.870

Pattern coverage: 0.000% (0 MiB out of 919 MiB reference memory)

After features/support/hooks.rb:326 3.492
After features/support/hooks.rb:100 0.000
7:45.218
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 6:58.898
And I prepare Tails for memory erasure tests 0.804
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.173
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.330

Pattern coverage: 0.000% (0 MiB out of 927 MiB reference memory)

After features/support/hooks.rb:326 3.541
After features/support/hooks.rb:100 0.012