Project Number Date
test_Tails_ISO_20448-tor-browser-14-force-all-tests 64 03 Oct 2024, 07:23

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 10:49.714 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.
18.723
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.958
And I prepare Tails for memory erasure tests 0.405
When I start a process allocating 128 MiB of memory with a known pattern 1.392
Then patterns cover at least 128 MiB in the guest's memory 3.234

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

When I kill the allocating process 0.276
Then I find very few patterns in the guest's memory after 3 seconds 5.456

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

After features/support/hooks.rb:326 0.760
After features/support/hooks.rb:100 0.000
21.962
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.849
And I prepare Tails for memory erasure tests 0.441
And I find very few patterns in the guest's memory 2.728

Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.549
Then patterns cover at least 99% of the test FS size in the guest's memory 3.258

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

When I umount "/mnt" 0.437
Then I find very few patterns in the guest's memory after 3 seconds 5.698

Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)

After features/support/hooks.rb:326 1.248
After features/support/hooks.rb:100 0.000
44.716
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.076
And I prepare Tails for memory erasure tests 0.727
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.233
Then I find very few patterns in the guest's memory 2.837

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

# write cache
When I fill the USB drive with a known pattern 2.296
Then patterns cover at least 75% of the test FS size in the guest's memory 3.388

Pattern coverage: 86.744% (110 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.150
Then I find very few patterns in the guest's memory after 3 seconds 5.739

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

# read cache
When I mount the USB drive again 0.249
And I read the content of the test FS 0.558
Then patterns cover at least 99% of the test FS size in the guest's memory 3.319

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

When I umount the USB drive 0.542
Then I find very few patterns in the guest's memory after 3 seconds 5.595

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

After features/support/hooks.rb:326 1.254
After features/support/hooks.rb:100 0.000
1:11.958
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.858
And I prepare Tails for memory erasure tests 0.406
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.751
Then I find very few patterns in the guest's memory 2.342

Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.717
Then patterns cover at least 99% of the test FS size in the guest's memory 2.603

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

When I umount the USB drive 1.114
Then I find very few patterns in the guest's memory after 3 seconds 5.266

Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)

# read cache
When I mount the USB drive again 4.731
And I read the content of the test FS 0.471
Then patterns cover at least 99% of the test FS size in the guest's memory 2.722

Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.646
Then I find very few patterns in the guest's memory after 3 seconds 5.326

Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)

After features/support/hooks.rb:326 0.910
After features/support/hooks.rb:100 0.000
50.615
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.906
And I prepare Tails for memory erasure tests 0.486
When I fill a 128 MiB file with a known pattern on the root filesystem 16.404
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.849
Then patterns cover at least 128 MiB in the guest's memory 3.144

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

When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 20.810

Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)

After features/support/hooks.rb:326 3.470
After features/support/hooks.rb:100 0.000
7:21.737
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 6:36.194
And I prepare Tails for memory erasure tests 0.492
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.937
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.100

Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)

After features/support/hooks.rb:326 3.513
After features/support/hooks.rb:100 0.011