Project Number Date
test_Tails_ISO_20448-tor-browser-14-force-all-tests 37 06 Sep 2024, 07:15

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 11:52.771 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.
22.601
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.081
And I prepare Tails for memory erasure tests 0.501
When I start a process allocating 128 MiB of memory with a known pattern 2.482
Then patterns cover at least 128 MiB in the guest's memory 3.658

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

When I kill the allocating process 1.355
Then I find very few patterns in the guest's memory after 3 seconds 6.521

Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)

After features/support/hooks.rb:326 2.008
After features/support/hooks.rb:100 0.000
29.309
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.244
And I prepare Tails for memory erasure tests 0.705
And I find very few patterns in the guest's memory 4.305

Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 3.781
Then patterns cover at least 99% of the test FS size in the guest's memory 4.414

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

When I umount "/mnt" 1.343
Then I find very few patterns in the guest's memory after 3 seconds 6.514

Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)

After features/support/hooks.rb:326 2.093
After features/support/hooks.rb:100 0.000
47.742
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.373
And I prepare Tails for memory erasure tests 0.500
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.709
Then I find very few patterns in the guest's memory 2.598

Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.434
Then patterns cover at least 75% of the test FS size in the guest's memory 3.293

Pattern coverage: 86.310% (110 MiB out of 127 MiB reference memory)

When I umount the USB drive 2.641
Then I find very few patterns in the guest's memory after 3 seconds 5.984

Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)

# read cache
When I mount the USB drive again 0.256
And I read the content of the test FS 0.531
Then patterns cover at least 99% of the test FS size in the guest's memory 3.499

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

When I umount the USB drive 0.538
Then I find very few patterns in the guest's memory after 3 seconds 6.383

Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)

After features/support/hooks.rb:326 2.829
After features/support/hooks.rb:100 0.000
1:17.111
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.573
And I prepare Tails for memory erasure tests 0.516
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.764
Then I find very few patterns in the guest's memory 3.406

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

# write cache
When I fill the USB drive with a known pattern 2.144
Then patterns cover at least 99% of the test FS size in the guest's memory 3.490

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

When I umount the USB drive 1.125
Then I find very few patterns in the guest's memory after 3 seconds 6.005

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

# read cache
When I mount the USB drive again 6.107
And I read the content of the test FS 0.735
Then patterns cover at least 99% of the test FS size in the guest's memory 2.985

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

When I umount the USB drive 1.964
Then I find very few patterns in the guest's memory after 3 seconds 5.293

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

After features/support/hooks.rb:326 0.808
After features/support/hooks.rb:100 0.000
49.305
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.643
And I prepare Tails for memory erasure tests 0.791
When I fill a 128 MiB file with a known pattern on the root filesystem 14.774
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.645
Then patterns cover at least 128 MiB in the guest's memory 2.380

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 21.057

Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)

After features/support/hooks.rb:326 3.479
After features/support/hooks.rb:100 0.000
8:6.700
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 7:20.757
And I prepare Tails for memory erasure tests 0.437
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.349
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.143

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

After features/support/hooks.rb:326 3.467
After features/support/hooks.rb:100 0.011