Project Number Date
test_Tails_ISO_19139-arti-bridges 10 23 Nov 2024, 22:11

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 12:9.759 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.
23.174
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.690
And I prepare Tails for memory erasure tests 0.616
When I start a process allocating 128 MiB of memory with a known pattern 2.382
Then patterns cover at least 128 MiB in the guest's memory 3.759

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

When I kill the allocating process 1.583
Then I find very few patterns in the guest's memory after 3 seconds 6.142

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

After features/support/hooks.rb:326 0.726
After features/support/hooks.rb:100 0.000
25.549
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.204
And I prepare Tails for memory erasure tests 0.653
And I find very few patterns in the guest's memory 3.915

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 2.308
Then patterns cover at least 99% of the test FS size in the guest's memory 3.215

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

When I umount "/mnt" 1.013
Then I find very few patterns in the guest's memory after 3 seconds 6.237

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

After features/support/hooks.rb:326 0.827
After features/support/hooks.rb:100 0.000
1:0.345
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.631
And I prepare Tails for memory erasure tests 0.512
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.359
Then I find very few patterns in the guest's memory 2.842

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

# write cache
When I fill the USB drive with a known pattern 3.091
Then patterns cover at least 75% of the test FS size in the guest's memory 3.376

Pattern coverage: 91.288% (116 MiB out of 127 MiB reference memory)

When I umount the USB drive 12.334
Then I find very few patterns in the guest's memory after 3 seconds 6.629

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

# read cache
When I mount the USB drive again 0.514
And I read the content of the test FS 0.750
Then patterns cover at least 99% of the test FS size in the guest's memory 4.091

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

When I umount the USB drive 0.704
Then I find very few patterns in the guest's memory after 3 seconds 6.504

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

After features/support/hooks.rb:326 2.544
After features/support/hooks.rb:100 0.000
1:21.112
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.048
And I prepare Tails for memory erasure tests 0.601
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.827
Then I find very few patterns in the guest's memory 3.283

Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.692
Then patterns cover at least 99% of the test FS size in the guest's memory 3.338

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

When I umount the USB drive 1.308
Then I find very few patterns in the guest's memory after 3 seconds 6.319

Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)

# read cache
When I mount the USB drive again 6.849
And I read the content of the test FS 0.694
Then patterns cover at least 99% of the test FS size in the guest's memory 3.254

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

When I umount the USB drive 1.232
Then I find very few patterns in the guest's memory after 3 seconds 5.660

Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)

After features/support/hooks.rb:326 2.084
After features/support/hooks.rb:100 0.000
52.015
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.197
And I prepare Tails for memory erasure tests 0.790
When I fill a 128 MiB file with a known pattern on the root filesystem 15.946
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.936
Then patterns cover at least 128 MiB in the guest's memory 3.127

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

When I trigger shutdown 0.022
Then I find very few patterns in the guest's memory after 20 seconds 20.994

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

After features/support/hooks.rb:326 3.595
After features/support/hooks.rb:100 0.000
8:7.563
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 7:20.019
And I prepare Tails for memory erasure tests 1.340
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.784
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 21.401

Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)

After features/support/hooks.rb:326 3.564
After features/support/hooks.rb:100 0.013