Project Number Date
test_Tails_ISO_20531-early-reporting-of-bad-devices 10 09 Dec 2024, 19:46

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 11:15.569 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.
20.845
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.840
And I prepare Tails for memory erasure tests 0.362
When I start a process allocating 128 MiB of memory with a known pattern 1.263
Then patterns cover at least 128 MiB in the guest's memory 3.508

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

When I kill the allocating process 1.030
Then I find very few patterns in the guest's memory after 3 seconds 6.839

Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)

After features/support/hooks.rb:326 0.883
After features/support/hooks.rb:100 0.000
23.550
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.941
And I prepare Tails for memory erasure tests 0.447
And I find very few patterns in the guest's memory 2.915

Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.962
Then patterns cover at least 99% of the test FS size in the guest's memory 3.462

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

When I umount "/mnt" 0.692
Then I find very few patterns in the guest's memory after 3 seconds 6.128

Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)

After features/support/hooks.rb:326 0.771
After features/support/hooks.rb:100 0.000
46.194
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.936
And I prepare Tails for memory erasure tests 0.494
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.250
Then I find very few patterns in the guest's memory 3.173

Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.544
Then patterns cover at least 75% of the test FS size in the guest's memory 3.216

Pattern coverage: 88.098% (112 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.275
Then I find very few patterns in the guest's memory after 3 seconds 5.966

Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)

# read cache
When I mount the USB drive again 0.280
And I read the content of the test FS 0.918
Then patterns cover at least 99% of the test FS size in the guest's memory 3.254

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

When I umount the USB drive 0.915
Then I find very few patterns in the guest's memory after 3 seconds 5.968

Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)

After features/support/hooks.rb:326 0.832
After features/support/hooks.rb:100 0.000
1:16.439
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.096
And I prepare Tails for memory erasure tests 0.511
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.481
Then I find very few patterns in the guest's memory 3.105

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

# write cache
When I fill the USB drive with a known pattern 2.380
Then patterns cover at least 99% of the test FS size in the guest's memory 3.516

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

When I umount the USB drive 1.077
Then I find very few patterns in the guest's memory after 3 seconds 5.806

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

# read cache
When I mount the USB drive again 5.269
And I read the content of the test FS 0.499
Then patterns cover at least 99% of the test FS size in the guest's memory 3.153

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

When I umount the USB drive 0.802
Then I find very few patterns in the guest's memory after 3 seconds 5.738

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

After features/support/hooks.rb:326 1.003
After features/support/hooks.rb:100 0.000
51.725
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.096
And I prepare Tails for memory erasure tests 0.512
When I fill a 128 MiB file with a known pattern on the root filesystem 17.875
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.791
Then patterns cover at least 128 MiB in the guest's memory 2.696

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

When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 20.738

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

After features/support/hooks.rb:326 3.520
After features/support/hooks.rb:100 0.000
7:36.814
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 6:49.550
And I prepare Tails for memory erasure tests 0.398
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.615
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.235

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

After features/support/hooks.rb:326 3.526
After features/support/hooks.rb:100 0.012