Project Number Date
test_Tails_ISO_20530-tca-controls-tor-flag-file 6 02 Nov 2024, 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 11:30.742 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.
21.559
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.938
And I prepare Tails for memory erasure tests 0.435
When I start a process allocating 128 MiB of memory with a known pattern 2.472
Then patterns cover at least 128 MiB in the guest's memory 3.733

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

When I kill the allocating process 0.961
Then I find very few patterns in the guest's memory after 3 seconds 6.017

Pattern coverage: 0.000% (0 MiB out of 920 MiB reference memory)

After features/support/hooks.rb:326 0.744
After features/support/hooks.rb:100 0.000
25.736
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.139
And I prepare Tails for memory erasure tests 0.443
And I find very few patterns in the guest's memory 3.618

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.946
Then patterns cover at least 99% of the test FS size in the guest's memory 4.153

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

When I umount "/mnt" 0.791
Then I find very few patterns in the guest's memory after 3 seconds 6.643

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

After features/support/hooks.rb:326 0.767
After features/support/hooks.rb:100 0.000
50.284
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.991
And I prepare Tails for memory erasure tests 0.423
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.131
Then I find very few patterns in the guest's memory 3.870

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

# write cache
When I fill the USB drive with a known pattern 2.408
Then patterns cover at least 75% of the test FS size in the guest's memory 4.333

Pattern coverage: 86.904% (110 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.957
Then I find very few patterns in the guest's memory after 3 seconds 6.743

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

# read cache
When I mount the USB drive again 0.428
And I read the content of the test FS 0.796
Then patterns cover at least 99% of the test FS size in the guest's memory 4.328

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

When I umount the USB drive 0.916
Then I find very few patterns in the guest's memory after 3 seconds 6.954

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

After features/support/hooks.rb:326 0.982
After features/support/hooks.rb:100 0.000
1:14.996
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.167
And I prepare Tails for memory erasure tests 0.452
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.403
Then I find very few patterns in the guest's memory 2.355

Pattern coverage: 0.000% (0 MiB out of 921 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.799
Then patterns cover at least 99% of the test FS size in the guest's memory 2.861

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

When I umount the USB drive 0.883
Then I find very few patterns in the guest's memory after 3 seconds 5.357

Pattern coverage: 0.000% (0 MiB out of 921 MiB reference memory)

# read cache
When I mount the USB drive again 5.823
And I read the content of the test FS 0.432
Then patterns cover at least 99% of the test FS size in the guest's memory 2.866

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

When I umount the USB drive 0.676
Then I find very few patterns in the guest's memory after 3 seconds 5.916

Pattern coverage: 0.000% (0 MiB out of 921 MiB reference memory)

After features/support/hooks.rb:326 2.131
After features/support/hooks.rb:100 0.000
51.250
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.950
And I prepare Tails for memory erasure tests 0.397
When I fill a 128 MiB file with a known pattern on the root filesystem 16.476
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.133
Then patterns cover at least 128 MiB in the guest's memory 3.402

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

When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 20.876

Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)

After features/support/hooks.rb:326 3.521
After features/support/hooks.rb:100 0.000
7:46.915
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 7:4.437
And I prepare Tails for memory erasure tests 0.509
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.552
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 21.398

Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)

After features/support/hooks.rb:326 3.563
After features/support/hooks.rb:100 0.021