Project Number Date
test_Tails_ISO_20530-tca-controls-tor-flag-file 37 04 Dec 2024, 20:49

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 10:58.767 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.
20.556
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.889
And I prepare Tails for memory erasure tests 0.388
When I start a process allocating 128 MiB of memory with a known pattern 2.470
Then patterns cover at least 128 MiB in the guest's memory 3.515

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

When I kill the allocating process 0.238
Then I find very few patterns in the guest's memory after 3 seconds 6.053

Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)

After features/support/hooks.rb:326 0.805
After features/support/hooks.rb:100 0.000
23.473
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.986
And I prepare Tails for memory erasure tests 0.408
And I find very few patterns in the guest's memory 3.026

Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.104
Then patterns cover at least 99% of the test FS size in the guest's memory 3.345

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

When I umount "/mnt" 0.863
Then I find very few patterns in the guest's memory after 3 seconds 5.739

Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)

After features/support/hooks.rb:326 0.791
After features/support/hooks.rb:100 0.000
47.188
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 7.919
And I prepare Tails for memory erasure tests 0.408
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.122
Then I find very few patterns in the guest's memory 3.084

Pattern coverage: 0.000% (0 MiB out of 923 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.801
Then patterns cover at least 75% of the test FS size in the guest's memory 3.572

Pattern coverage: 94.052% (120 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.923
Then I find very few patterns in the guest's memory after 3 seconds 6.185

Pattern coverage: 0.000% (0 MiB out of 923 MiB reference memory)

# read cache
When I mount the USB drive again 0.299
And I read the content of the test FS 0.583
Then patterns cover at least 99% of the test FS size in the guest's memory 3.463

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

When I umount the USB drive 0.711
Then I find very few patterns in the guest's memory after 3 seconds 6.113

Pattern coverage: 0.000% (0 MiB out of 923 MiB reference memory)

After features/support/hooks.rb:326 0.875
After features/support/hooks.rb:100 0.000
1:14.716
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.062
And I prepare Tails for memory erasure tests 0.397
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.475
Then I find very few patterns in the guest's memory 2.624

Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.764
Then patterns cover at least 99% of the test FS size in the guest's memory 2.830

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

When I umount the USB drive 1.029
Then I find very few patterns in the guest's memory after 3 seconds 5.736

Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)

# read cache
When I mount the USB drive again 5.991
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 2.972

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

When I umount the USB drive 0.799
Then I find very few patterns in the guest's memory after 3 seconds 5.567

Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)

After features/support/hooks.rb:326 0.814
After features/support/hooks.rb:100 0.000
48.400
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.922
And I prepare Tails for memory erasure tests 0.367
When I fill a 128 MiB file with a known pattern on the root filesystem 14.632
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.350
Then patterns cover at least 128 MiB in the guest's memory 2.400

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 20.712

Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)

After features/support/hooks.rb:326 3.524
After features/support/hooks.rb:100 0.000
7:24.431
Before features/support/hooks.rb:269 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:40.625
And I prepare Tails for memory erasure tests 0.421
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.231
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.140

Pattern coverage: 0.000% (0 MiB out of 913 MiB reference memory)

After features/support/hooks.rb:326 3.499
After features/support/hooks.rb:100 0.013