Project Number Date
test_Tails_ISO_19139-arti-bridges 17 30 Nov 2024, 22:03

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 10:53.120 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.
22.095
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.979
And I prepare Tails for memory erasure tests 0.498
When I start a process allocating 128 MiB of memory with a known pattern 2.437
Then patterns cover at least 128 MiB in the guest's memory 4.715

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

When I kill the allocating process 0.281
Then I find very few patterns in the guest's memory after 3 seconds 6.183

Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)

After features/support/hooks.rb:326 0.826
After features/support/hooks.rb:100 0.000
24.698
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.028
And I prepare Tails for memory erasure tests 0.514
And I find very few patterns in the guest's memory 3.235

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.310
Then patterns cover at least 99% of the test FS size in the guest's memory 3.419

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

When I umount "/mnt" 0.916
Then I find very few patterns in the guest's memory after 3 seconds 6.273

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

After features/support/hooks.rb:326 0.787
After features/support/hooks.rb:100 0.000
47.707
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.642
And I prepare Tails for memory erasure tests 0.381
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.255
Then I find very few patterns in the guest's memory 3.321

Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.923
Then patterns cover at least 75% of the test FS size in the guest's memory 3.892

Pattern coverage: 88.584% (113 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.457
Then I find very few patterns in the guest's memory after 3 seconds 5.899

Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)

# read cache
When I mount the USB drive again 0.260
And I read the content of the test FS 0.460
Then patterns cover at least 99% of the test FS size in the guest's memory 3.398

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

When I umount the USB drive 0.656
Then I find very few patterns in the guest's memory after 3 seconds 6.160

Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)

After features/support/hooks.rb:326 0.871
After features/support/hooks.rb:100 0.000
1:14.390
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.909
And I prepare Tails for memory erasure tests 0.409
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.460
Then I find very few patterns in the guest's memory 2.571

Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.939
Then patterns cover at least 99% of the test FS size in the guest's memory 3.480

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

When I umount the USB drive 1.066
Then I find very few patterns in the guest's memory after 3 seconds 5.670

Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)

# read cache
When I mount the USB drive again 4.473
And I read the content of the test FS 0.417
Then patterns cover at least 99% of the test FS size in the guest's memory 3.459

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

When I umount the USB drive 0.825
Then I find very few patterns in the guest's memory after 3 seconds 5.705

Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)

After features/support/hooks.rb:326 0.825
After features/support/hooks.rb:100 0.000
51.578
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.032
And I prepare Tails for memory erasure tests 0.536
When I fill a 128 MiB file with a known pattern on the root filesystem 17.706
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.865
Then patterns cover at least 128 MiB in the guest's memory 2.644

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

When I trigger shutdown 0.040
Then I find very few patterns in the guest's memory after 20 seconds 20.752

Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)

After features/support/hooks.rb:326 3.546
After features/support/hooks.rb:100 0.000
7:12.649
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 6:26.753
And I prepare Tails for memory erasure tests 0.404
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.287
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 21.189

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

After features/support/hooks.rb:326 3.485
After features/support/hooks.rb:100 0.013