Project Number Date
test_Tails_ISO_18530-do-not-restart-tor 8 15 Nov 2024, 10:31

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 11:43.500 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.
24.504
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.245
And I prepare Tails for memory erasure tests 0.419
When I start a process allocating 128 MiB of memory with a known pattern 2.581
Then patterns cover at least 128 MiB in the guest's memory 5.461

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

When I kill the allocating process 1.326
Then I find very few patterns in the guest's memory after 3 seconds 6.470

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

After features/support/hooks.rb:326 1.861
After features/support/hooks.rb:100 0.000
28.232
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.140
And I prepare Tails for memory erasure tests 0.465
And I find very few patterns in the guest's memory 3.877

Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.162
Then patterns cover at least 99% of the test FS size in the guest's memory 4.284

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

When I umount "/mnt" 1.350
Then I find very few patterns in the guest's memory after 3 seconds 6.950

Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)

After features/support/hooks.rb:326 1.045
After features/support/hooks.rb:100 0.000
51.655
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.325
And I prepare Tails for memory erasure tests 0.514
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.322
Then I find very few patterns in the guest's memory 3.894

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

# write cache
When I fill the USB drive with a known pattern 2.919
Then patterns cover at least 75% of the test FS size in the guest's memory 4.297

Pattern coverage: 86.708% (110 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.907
Then I find very few patterns in the guest's memory after 3 seconds 6.699

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

# read cache
When I mount the USB drive again 0.354
And I read the content of the test FS 1.055
Then patterns cover at least 99% of the test FS size in the guest's memory 4.098

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

When I umount the USB drive 0.666
Then I find very few patterns in the guest's memory after 3 seconds 6.601

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

After features/support/hooks.rb:326 1.200
After features/support/hooks.rb:100 0.000
1:22.283
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.285
And I prepare Tails for memory erasure tests 0.494
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.807
Then I find very few patterns in the guest's memory 3.466

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

# write cache
When I fill the USB drive with a known pattern 1.756
Then patterns cover at least 99% of the test FS size in the guest's memory 2.932

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

When I umount the USB drive 0.978
Then I find very few patterns in the guest's memory after 3 seconds 6.643

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

# read cache
When I mount the USB drive again 6.097
And I read the content of the test FS 0.894
Then patterns cover at least 99% of the test FS size in the guest's memory 3.774

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

When I umount the USB drive 1.668
Then I find very few patterns in the guest's memory after 3 seconds 6.482

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

After features/support/hooks.rb:326 3.335
After features/support/hooks.rb:100 0.000
50.697
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.171
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 16.243
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.051
Then patterns cover at least 128 MiB in the guest's memory 2.935

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

When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.748

Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)

After features/support/hooks.rb:326 3.504
After features/support/hooks.rb:100 0.000
7:46.126
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 7:1.018
And I prepare Tails for memory erasure tests 0.586
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.348
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.155

Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)

After features/support/hooks.rb:326 3.562
After features/support/hooks.rb:100 0.014