Project Number Date
test_Tails_ISO_10422-tor-browser-in-flatpak 14 13 Feb 2025, 14:42

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 11:56.288 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.
29.488
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.364
And I prepare Tails for memory erasure tests 0.413
When I start a process allocating 128 MiB of memory with a known pattern 1.265
Then patterns cover at least 128 MiB in the guest's memory 3.821

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

When I kill the allocating process 6.778
Then I find very few patterns in the guest's memory after 5 seconds 8.845

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

After features/support/hooks.rb:326 1.202
After features/support/hooks.rb:100 0.000
26.281
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.507
And I prepare Tails for memory erasure tests 0.495
And I find very few patterns in the guest's memory 3.872

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.854
Then patterns cover at least 99% of the test FS size in the guest's memory 4.201

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

When I umount "/mnt" 0.785
Then I find very few patterns in the guest's memory after 3 seconds 6.565

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

After features/support/hooks.rb:326 0.962
After features/support/hooks.rb:100 0.000
49.531
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.162
And I prepare Tails for memory erasure tests 0.476
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.016
Then I find very few patterns in the guest's memory 3.370

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

# write cache
When I fill the USB drive with a known pattern 2.816
Then patterns cover at least 75% of the test FS size in the guest's memory 4.236

Pattern coverage: 87.969% (112 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.572
Then I find very few patterns in the guest's memory after 3 seconds 6.530

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

# read cache
When I mount the USB drive again 0.248
And I read the content of the test FS 1.226
Then patterns cover at least 99% of the test FS size in the guest's memory 4.113

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

When I umount the USB drive 0.628
Then I find very few patterns in the guest's memory after 3 seconds 6.132

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

After features/support/hooks.rb:326 0.876
After features/support/hooks.rb:100 0.000
1:20.029
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.258
And I prepare Tails for memory erasure tests 0.503
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.713
Then I find very few patterns in the guest's memory 2.567

Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.191
Then patterns cover at least 99% of the test FS size in the guest's memory 3.023

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

When I umount the USB drive 1.806
Then I find very few patterns in the guest's memory after 3 seconds 6.047

Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)

# read cache
When I mount the USB drive again 5.858
And I read the content of the test FS 0.953
Then patterns cover at least 99% of the test FS size in the guest's memory 3.376

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

When I umount the USB drive 0.674
Then I find very few patterns in the guest's memory after 3 seconds 6.057

Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)

After features/support/hooks.rb:326 0.953
After features/support/hooks.rb:100 0.000
52.079
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.246
And I prepare Tails for memory erasure tests 0.438
When I fill a 128 MiB file with a known pattern on the root filesystem 16.281
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.265
Then patterns cover at least 128 MiB in the guest's memory 2.966

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 20.868

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

After features/support/hooks.rb:326 3.503
After features/support/hooks.rb:100 0.000
7:58.877
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 7:13.309
And I prepare Tails for memory erasure tests 0.487
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.810
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 21.253

Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)

After features/support/hooks.rb:326 3.598
After features/support/hooks.rb:100 0.012