Project Number Date
test_Tails_ISO_10422-tor-browser-in-flatpak 33 13 Mar 2025, 05:38

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 11:52.961 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.
26.020
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 8.332
And I prepare Tails for memory erasure tests 0.556
When I start a process allocating 128 MiB of memory with a known pattern 4.626
Then patterns cover at least 128 MiB in the guest's memory 3.490

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

When I kill the allocating process 1.157
Then I find very few patterns in the guest's memory after 5 seconds 7.856

Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)

After features/support/hooks.rb:330 0.950
After features/support/hooks.rb:100 0.000
27.209
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 8.770
And I prepare Tails for memory erasure tests 0.551
And I find very few patterns in the guest's memory 3.699

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.680
Then patterns cover at least 99% of the test FS size in the guest's memory 4.089

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

When I umount "/mnt" 0.715
Then I find very few patterns in the guest's memory after 3 seconds 7.703

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

After features/support/hooks.rb:330 0.868
After features/support/hooks.rb:100 0.000
1:6.347
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 22.103
And I prepare Tails for memory erasure tests 0.564
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.359
Then I find very few patterns in the guest's memory 3.921

Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.872
Then patterns cover at least 75% of the test FS size in the guest's memory 5.503

Pattern coverage: 86.166% (109 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.242
Then I find very few patterns in the guest's memory after 3 seconds 6.881

Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)

# read cache
When I mount the USB drive again 0.236
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 4.082

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

When I umount the USB drive 0.738
Then I find very few patterns in the guest's memory after 3 seconds 6.888

Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)

After features/support/hooks.rb:330 1.205
After features/support/hooks.rb:100 0.000
1:27.038
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 8.510
And I prepare Tails for memory erasure tests 0.630
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.817
Then I find very few patterns in the guest's memory 3.185

Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.948
Then patterns cover at least 99% of the test FS size in the guest's memory 3.723

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

When I umount the USB drive 0.971
Then I find very few patterns in the guest's memory after 3 seconds 6.256

Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)

# read cache
When I mount the USB drive again 9.938
And I read the content of the test FS 0.642
Then patterns cover at least 99% of the test FS size in the guest's memory 3.840

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

When I umount the USB drive 1.337
Then I find very few patterns in the guest's memory after 3 seconds 6.235

Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)

After features/support/hooks.rb:330 1.595
After features/support/hooks.rb:100 0.000
51.686
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 8.471
And I prepare Tails for memory erasure tests 0.533
When I fill a 128 MiB file with a known pattern on the root filesystem 16.606
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.842
Then patterns cover at least 128 MiB in the guest's memory 3.497

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

When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 20.718

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

After features/support/hooks.rb:330 3.523
After features/support/hooks.rb:100 0.000
7:34.659
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 6:49.399
And I prepare Tails for memory erasure tests 0.444
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.317
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.486

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

After features/support/hooks.rb:330 3.541
After features/support/hooks.rb:100 0.048