Project Number Date
test_Tails_ISO_disable-thunderbird-telemetry 11 20 Nov 2024, 22:58

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 12:17.466 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.
25.954
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.946
And I prepare Tails for memory erasure tests 0.583
When I start a process allocating 128 MiB of memory with a known pattern 2.273
Then patterns cover at least 128 MiB in the guest's memory 5.128

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

When I kill the allocating process 0.986
Then I find very few patterns in the guest's memory after 3 seconds 7.036

Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)

After features/support/hooks.rb:326 1.317
After features/support/hooks.rb:100 0.000
27.917
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.531
And I prepare Tails for memory erasure tests 0.418
And I find very few patterns in the guest's memory 3.851

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.728
Then patterns cover at least 99% of the test FS size in the guest's memory 3.902

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

When I umount "/mnt" 1.261
Then I find very few patterns in the guest's memory after 3 seconds 7.223

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

After features/support/hooks.rb:326 0.745
After features/support/hooks.rb:100 0.000
51.500
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.880
And I prepare Tails for memory erasure tests 0.484
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.392
Then I find very few patterns in the guest's memory 3.236

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

# write cache
When I fill the USB drive with a known pattern 5.815
Then patterns cover at least 75% of the test FS size in the guest's memory 3.247

Pattern coverage: 86.227% (110 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.696
Then I find very few patterns in the guest's memory after 3 seconds 6.355

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

# read cache
When I mount the USB drive again 0.330
And I read the content of the test FS 0.510
Then patterns cover at least 99% of the test FS size in the guest's memory 4.113

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

When I umount the USB drive 0.662
Then I find very few patterns in the guest's memory after 3 seconds 6.775

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

After features/support/hooks.rb:326 0.869
After features/support/hooks.rb:100 0.000
1:26.696
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.215
And I prepare Tails for memory erasure tests 0.514
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 40.988
Then I find very few patterns in the guest's memory 3.134

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

# write cache
When I fill the USB drive with a known pattern 3.930
Then patterns cover at least 99% of the test FS size in the guest's memory 3.896

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

When I umount the USB drive 0.931
Then I find very few patterns in the guest's memory after 3 seconds 6.371

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

# read cache
When I mount the USB drive again 6.308
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 3.740

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

When I umount the USB drive 0.898
Then I find very few patterns in the guest's memory after 3 seconds 6.280

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

After features/support/hooks.rb:326 1.908
After features/support/hooks.rb:100 0.000
53.136
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.111
And I prepare Tails for memory erasure tests 0.491
When I fill a 128 MiB file with a known pattern on the root filesystem 16.848
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.237
Then patterns cover at least 128 MiB in the guest's memory 2.615

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

When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 20.817

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

After features/support/hooks.rb:326 3.526
After features/support/hooks.rb:100 0.000
8:12.261
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 7:28.757
And I prepare Tails for memory erasure tests 0.411
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.512
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 21.565

Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)

After features/support/hooks.rb:326 3.577
After features/support/hooks.rb:100 0.012