Project Number Date
test_Tails_ISO_10422-tor-browser-in-flatpak 9 04 Feb 2025, 05:14

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 11:15.220 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.
22.947
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.312
And I prepare Tails for memory erasure tests 0.438
When I start a process allocating 128 MiB of memory with a known pattern 2.514
Then patterns cover at least 128 MiB in the guest's memory 3.365

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

When I kill the allocating process 0.486
Then I find very few patterns in the guest's memory after 5 seconds 7.829

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

After features/support/hooks.rb:326 2.709
After features/support/hooks.rb:100 0.000
24.159
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.016
And I prepare Tails for memory erasure tests 0.398
And I find very few patterns in the guest's memory 2.930

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 1.761
Then patterns cover at least 99% of the test FS size in the guest's memory 3.128

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

When I umount "/mnt" 1.154
Then I find very few patterns in the guest's memory after 3 seconds 5.770

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

After features/support/hooks.rb:326 1.052
After features/support/hooks.rb:100 0.000
47.807
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.098
And I prepare Tails for memory erasure tests 0.449
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.289
Then I find very few patterns in the guest's memory 3.037

Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.471
Then patterns cover at least 75% of the test FS size in the guest's memory 3.934

Pattern coverage: 88.039% (112 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.424
Then I find very few patterns in the guest's memory after 3 seconds 6.579

Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)

# read cache
When I mount the USB drive again 0.254
And I read the content of the test FS 0.617
Then patterns cover at least 99% of the test FS size in the guest's memory 4.136

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

When I umount the USB drive 1.037
Then I find very few patterns in the guest's memory after 3 seconds 6.477

Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)

After features/support/hooks.rb:326 0.805
After features/support/hooks.rb:100 0.000
1:18.134
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.235
And I prepare Tails for memory erasure tests 0.394
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.805
Then I find very few patterns in the guest's memory 3.217

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

# write cache
When I fill the USB drive with a known pattern 1.943
Then patterns cover at least 99% of the test FS size in the guest's memory 3.582

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

When I umount the USB drive 1.592
Then I find very few patterns in the guest's memory after 3 seconds 5.666

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

# read cache
When I mount the USB drive again 6.093
And I read the content of the test FS 0.656
Then patterns cover at least 99% of the test FS size in the guest's memory 2.725

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

When I umount the USB drive 1.742
Then I find very few patterns in the guest's memory after 3 seconds 5.477

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

After features/support/hooks.rb:326 0.806
After features/support/hooks.rb:100 0.000
1:3.187
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 20.736
And I prepare Tails for memory erasure tests 0.434
When I fill a 128 MiB file with a known pattern on the root filesystem 16.348
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.792
Then patterns cover at least 128 MiB in the guest's memory 3.021

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

When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 20.836

Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)

After features/support/hooks.rb:326 3.573
After features/support/hooks.rb:100 0.000
7:18.985
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 6:33.440
And I prepare Tails for memory erasure tests 0.415
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.886
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.231

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

After features/support/hooks.rb:326 3.550
After features/support/hooks.rb:100 0.012