Project Number Date
test_Tails_ISO_codespell 12 26 Jun 2025, 11:15

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 15:4.209 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.
33.845
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 9.005
And I prepare Tails for memory erasure tests 1.653
When I start a process allocating 128 MiB of memory with a known pattern 2.282
Then patterns cover at least 128 MiB in the guest's memory 8.175

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

When I kill the allocating process 0.869
Then I find very few patterns in the guest's memory after 5 seconds 11.858

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

After features/support/hooks.rb:330 1.452
After features/support/hooks.rb:100 0.000
31.360
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.007
Given I have started Tails from DVD without network and logged in 9.902
And I prepare Tails for memory erasure tests 0.562
And I find very few patterns in the guest's memory 5.305

Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.373
Then patterns cover at least 99% of the test FS size in the guest's memory 5.985

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

When I umount "/mnt" 0.600
Then I find very few patterns in the guest's memory after 3 seconds 6.630

Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)

After features/support/hooks.rb:330 0.933
After features/support/hooks.rb:100 0.000
1:8.182
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 13.597
And I prepare Tails for memory erasure tests 0.484
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.996
Then I find very few patterns in the guest's memory 6.036

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

# write cache
When I fill the USB drive with a known pattern 4.562
Then patterns cover at least 75% of the test FS size in the guest's memory 3.771

Pattern coverage: 86.983% (110 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.466
Then I find very few patterns in the guest's memory after 3 seconds 10.300

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

# read cache
When I mount the USB drive again 0.254
And I read the content of the test FS 0.538
Then patterns cover at least 99% of the test FS size in the guest's memory 3.277

Pattern coverage: 100.682% (128 MiB out of 127 MiB reference memory)

When I umount the USB drive 0.482
Then I find very few patterns in the guest's memory after 3 seconds 11.414

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

After features/support/hooks.rb:330 1.364
After features/support/hooks.rb:100 0.000
1:40.691
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 9.566
And I prepare Tails for memory erasure tests 0.598
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 54.341
Then I find very few patterns in the guest's memory 2.480

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

# write cache
When I fill the USB drive with a known pattern 1.744
Then patterns cover at least 99% of the test FS size in the guest's memory 7.555

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

When I umount the USB drive 0.992
Then I find very few patterns in the guest's memory after 3 seconds 5.521

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

# read cache
When I mount the USB drive again 5.039
And I read the content of the test FS 0.440
Then patterns cover at least 99% of the test FS size in the guest's memory 2.829

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

When I umount the USB drive 1.826
Then I find very few patterns in the guest's memory after 3 seconds 7.753

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

After features/support/hooks.rb:330 2.284
After features/support/hooks.rb:100 0.000
59.541
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 9.114
And I prepare Tails for memory erasure tests 3.705
When I fill a 128 MiB file with a known pattern on the root filesystem 14.843
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.156
Then patterns cover at least 128 MiB in the guest's memory 7.814

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 20.889

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

After features/support/hooks.rb:330 3.517
After features/support/hooks.rb:100 0.000
10:10.587
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 9:13.629
And I prepare Tails for memory erasure tests 1.267
When I fill a 128 MiB file with a known pattern on the persistent filesystem 30.947
When I trigger shutdown 0.183
Then I find very few patterns in the guest's memory after 20 seconds 24.558

Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)

After features/support/hooks.rb:330 3.964
After features/support/hooks.rb:100 0.019