Project Number Date
test_Tails_ISO_test-suite-options 4 19 Jun 2025, 21:16

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 14:29.245 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.
31.485
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 9.421
And I prepare Tails for memory erasure tests 2.378
When I start a process allocating 128 MiB of memory with a known pattern 3.595
Then patterns cover at least 128 MiB in the guest's memory 5.321

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

When I kill the allocating process 0.299
Then I find very few patterns in the guest's memory after 5 seconds 10.469

Pattern coverage: 0.000% (0 MiB out of 867 MiB reference memory)

After features/support/hooks.rb:330 1.644
After features/support/hooks.rb:100 0.000
32.345
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 10.039
And I prepare Tails for memory erasure tests 0.585
And I find very few patterns in the guest's memory 3.383

Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 3.063
Then patterns cover at least 99% of the test FS size in the guest's memory 9.071

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

When I umount "/mnt" 0.560
Then I find very few patterns in the guest's memory after 3 seconds 5.640

Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)

After features/support/hooks.rb:330 1.052
After features/support/hooks.rb:100 0.000
1:13.325
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.012
Given I have started Tails from DVD without network and logged in 14.518
And I prepare Tails for memory erasure tests 0.486
When I plug and mount a 128 MiB USB drive with a vfat filesystem 13.024
Then I find very few patterns in the guest's memory 5.000

Pattern coverage: 0.000% (0 MiB out of 862 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 6.365
Then patterns cover at least 75% of the test FS size in the guest's memory 8.011

Pattern coverage: 87.044% (111 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.541
Then I find very few patterns in the guest's memory after 3 seconds 6.258

Pattern coverage: 0.000% (0 MiB out of 862 MiB reference memory)

# read cache
When I mount the USB drive again 0.234
And I read the content of the test FS 0.661
Then patterns cover at least 99% of the test FS size in the guest's memory 3.735

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

When I umount the USB drive 0.626
Then I find very few patterns in the guest's memory after 3 seconds 12.861

Pattern coverage: 0.000% (0 MiB out of 862 MiB reference memory)

After features/support/hooks.rb:330 0.866
After features/support/hooks.rb:100 0.000
1:52.618
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 9.645
And I prepare Tails for memory erasure tests 2.197
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 54.964
Then I find very few patterns in the guest's memory 8.687

Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.764
Then patterns cover at least 99% of the test FS size in the guest's memory 2.706

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

When I umount the USB drive 0.629
Then I find very few patterns in the guest's memory after 3 seconds 5.683

Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)

# read cache
When I mount the USB drive again 11.696
And I read the content of the test FS 0.463
Then patterns cover at least 99% of the test FS size in the guest's memory 2.551

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

When I umount the USB drive 0.703
Then I find very few patterns in the guest's memory after 3 seconds 9.924

Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)

After features/support/hooks.rb:330 3.047
After features/support/hooks.rb:100 0.001
59.250
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.005
Given I have started Tails from DVD without network and logged in 9.181
And I prepare Tails for memory erasure tests 0.475
When I fill a 128 MiB file with a known pattern on the root filesystem 16.932
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.125
Then patterns cover at least 128 MiB in the guest's memory 7.486

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

When I trigger shutdown 0.027
Then I find very few patterns in the guest's memory after 20 seconds 23.022

Pattern coverage: 0.000% (0 MiB out of 867 MiB reference memory)

After features/support/hooks.rb:330 3.565
After features/support/hooks.rb:100 0.000
9:20.218
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 8:26.877
And I prepare Tails for memory erasure tests 0.399
When I fill a 128 MiB file with a known pattern on the persistent filesystem 30.647
When I trigger shutdown 0.054
Then I find very few patterns in the guest's memory after 20 seconds 22.239

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

After features/support/hooks.rb:330 3.513
After features/support/hooks.rb:100 0.014