Project Number Date
test_Tails_ISO_codespell 7 19 Jun 2025, 11:10

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 14:43.839 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.
36.446
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 8.297
And I prepare Tails for memory erasure tests 1.168
When I start a process allocating 128 MiB of memory with a known pattern 3.573
Then patterns cover at least 128 MiB in the guest's memory 7.969

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

When I kill the allocating process 0.262
Then I find very few patterns in the guest's memory after 5 seconds 15.173

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

After features/support/hooks.rb:330 1.684
After features/support/hooks.rb:100 0.000
30.076
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 8.847
And I prepare Tails for memory erasure tests 0.682
And I find very few patterns in the guest's memory 8.224

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 2.805
Then patterns cover at least 99% of the test FS size in the guest's memory 3.045

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

When I umount "/mnt" 0.417
Then I find very few patterns in the guest's memory after 3 seconds 6.053

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

After features/support/hooks.rb:330 2.490
After features/support/hooks.rb:100 0.000
1:7.456
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.059
Given I have started Tails from DVD without network and logged in 12.495
And I prepare Tails for memory erasure tests 0.945
When I plug and mount a 128 MiB USB drive with a vfat filesystem 16.226
Then I find very few patterns in the guest's memory 2.679

Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.924
Then patterns cover at least 75% of the test FS size in the guest's memory 9.609

Pattern coverage: 89.160% (113 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.865
Then I find very few patterns in the guest's memory after 3 seconds 5.319

Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)

# read cache
When I mount the USB drive again 0.375
And I read the content of the test FS 0.746
Then patterns cover at least 99% of the test FS size in the guest's memory 3.811

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

When I umount the USB drive 0.405
Then I find very few patterns in the guest's memory after 3 seconds 10.052

Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)

After features/support/hooks.rb:330 1.456
After features/support/hooks.rb:100 0.000
1:58.082
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 8.329
And I prepare Tails for memory erasure tests 0.720
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 57.991
Then I find very few patterns in the guest's memory 8.623

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

# write cache
When I fill the USB drive with a known pattern 2.644
Then patterns cover at least 99% of the test FS size in the guest's memory 3.460

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

When I umount the USB drive 0.788
Then I find very few patterns in the guest's memory after 3 seconds 6.100

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

# read cache
When I mount the USB drive again 12.038
And I read the content of the test FS 0.492
Then patterns cover at least 99% of the test FS size in the guest's memory 3.625

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

When I umount the USB drive 0.680
Then I find very few patterns in the guest's memory after 3 seconds 12.586

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

After features/support/hooks.rb:330 1.817
After features/support/hooks.rb:100 0.000
1:0.252
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 8.248
And I prepare Tails for memory erasure tests 0.429
When I fill a 128 MiB file with a known pattern on the root filesystem 18.326
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.560
Then patterns cover at least 128 MiB in the guest's memory 9.057

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

When I trigger shutdown 0.023
Then I find very few patterns in the guest's memory after 20 seconds 21.606

Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)

After features/support/hooks.rb:330 3.529
After features/support/hooks.rb:100 0.000
9:31.525
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 8:43.541
And I prepare Tails for memory erasure tests 0.563
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.245
When I trigger shutdown 0.153
Then I find very few patterns in the guest's memory after 20 seconds 23.021

Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)

After features/support/hooks.rb:330 3.815
After features/support/hooks.rb:100 0.015