Project Number Date
test_Tails_ISO_20668-unblock-20-time.sh 2 19 Nov 2024, 19:35

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 12:52.674 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.
26.384
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.072
And I prepare Tails for memory erasure tests 0.497
When I start a process allocating 128 MiB of memory with a known pattern 2.317
Then patterns cover at least 128 MiB in the guest's memory 3.684

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

When I kill the allocating process 1.284
Then I find very few patterns in the guest's memory after 3 seconds 9.527

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

After features/support/hooks.rb:326 1.123
After features/support/hooks.rb:100 0.000
26.784
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.431
And I prepare Tails for memory erasure tests 0.529
And I find very few patterns in the guest's memory 3.038

Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 3.143
Then patterns cover at least 99% of the test FS size in the guest's memory 3.451

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 6.272

Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)

After features/support/hooks.rb:326 0.972
After features/support/hooks.rb:100 0.000
1:6.505
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 23.204
And I prepare Tails for memory erasure tests 0.455
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.467
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 3.077
Then patterns cover at least 75% of the test FS size in the guest's memory 3.640

Pattern coverage: 87.277% (111 MiB out of 127 MiB reference memory)

When I umount the USB drive 2.783
Then I find very few patterns in the guest's memory after 3 seconds 6.431

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

# read cache
When I mount the USB drive again 0.396
And I read the content of the test FS 1.111
Then patterns cover at least 99% of the test FS size in the guest's memory 4.298

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

When I umount the USB drive 0.758
Then I find very few patterns in the guest's memory after 3 seconds 6.775

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

After features/support/hooks.rb:326 1.639
After features/support/hooks.rb:100 0.000
1:34.421
Before features/support/hooks.rb:269 0.005
Given I have started Tails from DVD without network and logged in 8.620
And I prepare Tails for memory erasure tests 0.430
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.405
Then I find very few patterns in the guest's memory 2.838

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

# write cache
When I fill the USB drive with a known pattern 2.336
Then patterns cover at least 99% of the test FS size in the guest's memory 2.978

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

When I umount the USB drive 2.349
Then I find very few patterns in the guest's memory after 3 seconds 5.442

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

# read cache
When I mount the USB drive again 15.221
And I read the content of the test FS 0.486
Then patterns cover at least 99% of the test FS size in the guest's memory 2.894

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

When I umount the USB drive 6.864
Then I find very few patterns in the guest's memory after 3 seconds 5.553

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

After features/support/hooks.rb:326 1.039
After features/support/hooks.rb:100 0.000
53.216
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.615
And I prepare Tails for memory erasure tests 0.450
When I fill a 128 MiB file with a known pattern on the root filesystem 18.383
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.929
Then patterns cover at least 128 MiB in the guest's memory 2.849

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 20.974

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

After features/support/hooks.rb:326 3.778
After features/support/hooks.rb:100 0.000
8:25.362
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 7:40.979
And I prepare Tails for memory erasure tests 1.049
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.122
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.198

Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)

After features/support/hooks.rb:326 5.161
After features/support/hooks.rb:100 0.013