Project Number Date
test_Tails_ISO_devel 3445 03 Jul 2024, 12:13

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 53 0 0 0 0 53 6 0 6 10:58.112 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.
22.415
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.882
And I prepare Tails for memory erasure tests 0.671
When I start a process allocating 128 MiB of memory with a known pattern 4.010
Then patterns cover at least 128 MiB in the guest's memory 3.440

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

When I kill the allocating process 1.012
Then I find very few patterns in the guest's memory 3.398

Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)

After features/support/hooks.rb:326 0.771
After features/support/hooks.rb:100 0.000
22.064
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.895
And I prepare Tails for memory erasure tests 0.383
And I find very few patterns in the guest's memory 3.925

Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.061
Then patterns cover at least 99% of the test FS size in the guest's memory 3.128

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

When I umount "/mnt" 0.913
Then I find very few patterns in the guest's memory 3.755

Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)

After features/support/hooks.rb:326 0.797
After features/support/hooks.rb:100 0.000
41.450
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.833
And I prepare Tails for memory erasure tests 0.369
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.046
Then I find very few patterns in the guest's memory 3.826

Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.532
Then patterns cover at least 86% of the test FS size in the guest's memory 3.282

Pattern coverage: 89.380% (114 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.410
Then I find very few patterns in the guest's memory 3.517

Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)

# read cache
When I mount the USB drive again 0.266
And I read the content of the test FS 0.415
Then patterns cover at least 99% of the test FS size in the guest's memory 3.118

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

When I umount the USB drive 0.636
Then I find very few patterns in the guest's memory 4.193

Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)

After features/support/hooks.rb:326 1.051
After features/support/hooks.rb:100 0.000
1:13.616
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.838
And I prepare Tails for memory erasure tests 0.392
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 41.364
Then I find very few patterns in the guest's memory 3.103

Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.895
Then patterns cover at least 99% of the test FS size in the guest's memory 2.609

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

When I umount the USB drive 0.892
Then I find very few patterns in the guest's memory 3.280

Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)

# read cache
When I mount the USB drive again 4.655
And I read the content of the test FS 0.780
Then patterns cover at least 99% of the test FS size in the guest's memory 2.767

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

When I umount the USB drive 0.787
Then I find very few patterns in the guest's memory 3.248

Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)

After features/support/hooks.rb:326 1.927
After features/support/hooks.rb:100 0.000
51.283
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.858
And I prepare Tails for memory erasure tests 0.365
When I fill a 128 MiB file with a known pattern on the root filesystem 17.183
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.657
Then patterns cover at least 128 MiB in the guest's memory 2.498

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

When I trigger shutdown 0.012
And I wait 20 seconds 20.000

Slept for 20 seconds

Then I find very few patterns in the guest's memory 1.706

Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)

After features/support/hooks.rb:326 3.500
After features/support/hooks.rb:100 0.000
7:27.282
Before features/support/hooks.rb:269 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:42.701
And I prepare Tails for memory erasure tests 0.350
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.142
When I trigger shutdown 0.010
And I wait 20 seconds 20.020

Slept for 20 seconds

Then I find very few patterns in the guest's memory 2.056

Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)

After features/support/hooks.rb:326 3.482
After features/support/hooks.rb:100 0.011