Project Number Date
test_Tails_ISO_10422-tor-browser-in-flatpak 27 11 Mar 2025, 05:46

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 11:35.119 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.
24.920
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 9.198
And I prepare Tails for memory erasure tests 0.389
When I start a process allocating 128 MiB of memory with a known pattern 2.368
Then patterns cover at least 128 MiB in the guest's memory 4.049

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

When I kill the allocating process 0.541
Then I find very few patterns in the guest's memory after 5 seconds 8.371

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

After features/support/hooks.rb:330 0.970
After features/support/hooks.rb:100 0.000
26.531
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.419
And I prepare Tails for memory erasure tests 0.443
And I find very few patterns in the guest's memory 3.542

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 4.093
Then patterns cover at least 99% of the test FS size in the guest's memory 3.304

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

When I umount "/mnt" 0.637
Then I find very few patterns in the guest's memory after 3 seconds 6.091

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

After features/support/hooks.rb:330 0.813
After features/support/hooks.rb:100 0.000
51.227
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.359
And I prepare Tails for memory erasure tests 0.448
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.987
Then I find very few patterns in the guest's memory 4.267

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

# write cache
When I fill the USB drive with a known pattern 3.687
Then patterns cover at least 75% of the test FS size in the guest's memory 4.257

Pattern coverage: 86.252% (110 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.765
Then I find very few patterns in the guest's memory after 3 seconds 6.283

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

# read cache
When I mount the USB drive again 0.256
And I read the content of the test FS 0.775
Then patterns cover at least 99% of the test FS size in the guest's memory 3.700

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

When I umount the USB drive 0.713
Then I find very few patterns in the guest's memory after 3 seconds 6.724

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

After features/support/hooks.rb:330 1.503
After features/support/hooks.rb:100 0.000
1:21.448
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.310
And I prepare Tails for memory erasure tests 0.426
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.205
Then I find very few patterns in the guest's memory 2.731

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

# write cache
When I fill the USB drive with a known pattern 2.390
Then patterns cover at least 99% of the test FS size in the guest's memory 3.656

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

When I umount the USB drive 4.266
Then I find very few patterns in the guest's memory after 3 seconds 5.854

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

# read cache
When I mount the USB drive again 5.962
And I read the content of the test FS 0.407
Then patterns cover at least 99% of the test FS size in the guest's memory 2.782

Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.767
Then I find very few patterns in the guest's memory after 3 seconds 5.686

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

After features/support/hooks.rb:330 1.865
After features/support/hooks.rb:100 0.000
54.080
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.485
And I prepare Tails for memory erasure tests 0.427
When I fill a 128 MiB file with a known pattern on the root filesystem 18.332
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.204
Then patterns cover at least 128 MiB in the guest's memory 2.879

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

When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 20.733

Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)

After features/support/hooks.rb:330 3.502
After features/support/hooks.rb:100 0.000
7:36.910
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:52.684
And I prepare Tails for memory erasure tests 0.562
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.400
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.250

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

After features/support/hooks.rb:330 3.548
After features/support/hooks.rb:100 0.018