Project Number Date
test_Tails_ISO_20448-tor-browser-14-force-all-tests 16 16 Aug 2024, 07:18

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 11:6.787 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.
20.940
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.940
And I prepare Tails for memory erasure tests 0.505
When I start a process allocating 128 MiB of memory with a known pattern 1.374
Then patterns cover at least 128 MiB in the guest's memory 3.619

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

When I kill the allocating process 0.895
Then I find very few patterns in the guest's memory after 3 seconds 5.604

Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)

After features/support/hooks.rb:326 0.806
After features/support/hooks.rb:100 0.000
23.322
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.406
And I prepare Tails for memory erasure tests 0.396
And I find very few patterns in the guest's memory 2.889

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.897
Then patterns cover at least 99% of the test FS size in the guest's memory 3.363

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

When I umount "/mnt" 0.608
Then I find very few patterns in the guest's memory after 3 seconds 5.760

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

After features/support/hooks.rb:326 0.749
After features/support/hooks.rb:100 0.000
51.150
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.203
And I prepare Tails for memory erasure tests 0.425
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.387
Then I find very few patterns in the guest's memory 4.367

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

# write cache
When I fill the USB drive with a known pattern 4.365
Then patterns cover at least 75% of the test FS size in the guest's memory 4.052

Pattern coverage: 87.311% (111 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.293
Then I find very few patterns in the guest's memory after 3 seconds 6.282

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

# read cache
When I mount the USB drive again 0.424
And I read the content of the test FS 0.997
Then patterns cover at least 99% of the test FS size in the guest's memory 3.999

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

When I umount the USB drive 0.656
Then I find very few patterns in the guest's memory after 3 seconds 6.693

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

After features/support/hooks.rb:326 0.763
After features/support/hooks.rb:100 0.000
1:10.132
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.147
And I prepare Tails for memory erasure tests 0.443
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.800
Then I find very few patterns in the guest's memory 2.636

Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.725
Then patterns cover at least 99% of the test FS size in the guest's memory 2.876

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

When I umount the USB drive 0.901
Then I find very few patterns in the guest's memory after 3 seconds 5.258

Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)

# read cache
When I mount the USB drive again 4.566
And I read the content of the test FS 0.448
Then patterns cover at least 99% of the test FS size in the guest's memory 2.874

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

When I umount the USB drive 1.093
Then I find very few patterns in the guest's memory after 3 seconds 5.356

Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)

After features/support/hooks.rb:326 0.916
After features/support/hooks.rb:100 0.000
49.983
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.093
And I prepare Tails for memory erasure tests 0.424
When I fill a 128 MiB file with a known pattern on the root filesystem 16.096
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.957
Then patterns cover at least 128 MiB in the guest's memory 2.563

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 20.835

Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)

After features/support/hooks.rb:326 3.500
After features/support/hooks.rb:100 0.000
7:31.259
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 6:48.271
And I prepare Tails for memory erasure tests 0.484
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.268
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.222

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

After features/support/hooks.rb:326 3.534
After features/support/hooks.rb:100 0.012