Project Number Date
test_Tails_ISO_20634-greeter-tps-upgrade-failure-fix 30 18 Nov 2024, 18:08

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 11:6.468 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.
24.280
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.436
And I prepare Tails for memory erasure tests 0.569
When I start a process allocating 128 MiB of memory with a known pattern 2.411
Then patterns cover at least 128 MiB in the guest's memory 3.953

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

When I kill the allocating process 3.012
Then I find very few patterns in the guest's memory after 3 seconds 5.896

Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)

After features/support/hooks.rb:326 2.253
After features/support/hooks.rb:100 0.000
26.489
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.618
And I prepare Tails for memory erasure tests 0.611
And I find very few patterns in the guest's memory 3.719

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.728
Then patterns cover at least 99% of the test FS size in the guest's memory 3.965

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

When I umount "/mnt" 1.102
Then I find very few patterns in the guest's memory after 3 seconds 6.743

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

After features/support/hooks.rb:326 0.799
After features/support/hooks.rb:100 0.000
51.611
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.200
And I prepare Tails for memory erasure tests 0.550
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.033
Then I find very few patterns in the guest's memory 4.070

Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.987
Then patterns cover at least 75% of the test FS size in the guest's memory 3.247

Pattern coverage: 87.776% (112 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.536
Then I find very few patterns in the guest's memory after 3 seconds 7.610

Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)

# read cache
When I mount the USB drive again 1.406
And I read the content of the test FS 0.894
Then patterns cover at least 99% of the test FS size in the guest's memory 3.867

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

When I umount the USB drive 0.710
Then I find very few patterns in the guest's memory after 3 seconds 6.495

Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)

After features/support/hooks.rb:326 0.829
After features/support/hooks.rb:100 0.000
1:14.814
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.193
And I prepare Tails for memory erasure tests 0.529
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.016
Then I find very few patterns in the guest's memory 3.170

Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.167
Then patterns cover at least 99% of the test FS size in the guest's memory 3.446

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

When I umount the USB drive 0.967
Then I find very few patterns in the guest's memory after 3 seconds 5.984

Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)

# read cache
When I mount the USB drive again 5.424
And I read the content of the test FS 0.417
Then patterns cover at least 99% of the test FS size in the guest's memory 3.530

Pattern coverage: 106.116% (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 6.084

Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)

After features/support/hooks.rb:326 1.197
After features/support/hooks.rb:100 0.000
49.760
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.606
And I prepare Tails for memory erasure tests 0.474
When I fill a 128 MiB file with a known pattern on the root filesystem 15.353
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.779
Then patterns cover at least 128 MiB in the guest's memory 2.793

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 20.739

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

After features/support/hooks.rb:326 3.517
After features/support/hooks.rb:100 0.000
7:19.512
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 6:35.809
And I prepare Tails for memory erasure tests 0.789
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.764
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.132

Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)

After features/support/hooks.rb:326 3.471
After features/support/hooks.rb:100 0.011