Project Number Date
test_Tails_ISO_20530-tca-controls-tor-flag-file 40 07 Dec 2024, 20:59

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 11:25.616 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.
24.145
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.637
And I prepare Tails for memory erasure tests 0.620
When I start a process allocating 128 MiB of memory with a known pattern 2.662
Then patterns cover at least 128 MiB in the guest's memory 4.247

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

When I kill the allocating process 1.167
Then I find very few patterns in the guest's memory after 3 seconds 6.808

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

After features/support/hooks.rb:326 1.051
After features/support/hooks.rb:100 0.000
27.439
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.311
And I prepare Tails for memory erasure tests 0.503
And I find very few patterns in the guest's memory 3.607

Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.726
Then patterns cover at least 99% of the test FS size in the guest's memory 3.899

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

When I umount "/mnt" 0.626
Then I find very few patterns in the guest's memory after 3 seconds 6.764

Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)

After features/support/hooks.rb:326 0.740
After features/support/hooks.rb:100 0.000
51.565
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.160
And I prepare Tails for memory erasure tests 0.442
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.179
Then I find very few patterns in the guest's memory 3.454

Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.552
Then patterns cover at least 75% of the test FS size in the guest's memory 4.262

Pattern coverage: 92.105% (117 MiB out of 127 MiB reference memory)

When I umount the USB drive 2.479
Then I find very few patterns in the guest's memory after 3 seconds 6.639

Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)

# read cache
When I mount the USB drive again 0.443
And I read the content of the test FS 0.962
Then patterns cover at least 99% of the test FS size in the guest's memory 3.958

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

When I umount the USB drive 1.042
Then I find very few patterns in the guest's memory after 3 seconds 6.988

Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)

After features/support/hooks.rb:326 0.711
After features/support/hooks.rb:100 0.000
1:19.960
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.439
And I prepare Tails for memory erasure tests 0.511
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.057
Then I find very few patterns in the guest's memory 3.157

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

# write cache
When I fill the USB drive with a known pattern 2.052
Then patterns cover at least 99% of the test FS size in the guest's memory 3.401

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

When I umount the USB drive 1.956
Then I find very few patterns in the guest's memory after 3 seconds 6.054

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

# read cache
When I mount the USB drive again 6.286
And I read the content of the test FS 0.446
Then patterns cover at least 99% of the test FS size in the guest's memory 3.580

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

When I umount the USB drive 1.797
Then I find very few patterns in the guest's memory after 3 seconds 6.221

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

After features/support/hooks.rb:326 0.930
After features/support/hooks.rb:100 0.000
50.887
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.560
And I prepare Tails for memory erasure tests 0.590
When I fill a 128 MiB file with a known pattern on the root filesystem 15.688
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.053
Then patterns cover at least 128 MiB in the guest's memory 3.112

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 906 MiB reference memory)

After features/support/hooks.rb:326 3.606
After features/support/hooks.rb:100 0.000
7:31.618
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 6:48.334
And I prepare Tails for memory erasure tests 0.546
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.519
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 21.202

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

After features/support/hooks.rb:326 3.561
After features/support/hooks.rb:100 0.013