Project Number Date
test_Tails_ISO_devel 3480 14 Aug 2024, 20:50

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 11:30.324 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.
21.716
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.288
And I prepare Tails for memory erasure tests 0.452
When I start a process allocating 128 MiB of memory with a known pattern 3.574
Then patterns cover at least 128 MiB in the guest's memory 3.463

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

When I kill the allocating process 0.247
Then I find very few patterns in the guest's memory after 3 seconds 5.690

Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)

After features/support/hooks.rb:326 1.219
After features/support/hooks.rb:100 0.000
25.155
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.292
And I prepare Tails for memory erasure tests 0.427
And I find very few patterns in the guest's memory 3.498

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 2.362
Then patterns cover at least 99% of the test FS size in the guest's memory 3.442

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

When I umount "/mnt" 1.216
Then I find very few patterns in the guest's memory after 3 seconds 5.915

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

After features/support/hooks.rb:326 0.767
After features/support/hooks.rb:100 0.000
48.212
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.296
And I prepare Tails for memory erasure tests 0.460
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.258
Then I find very few patterns in the guest's memory 3.283

Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.834
Then patterns cover at least 75% of the test FS size in the guest's memory 3.557

Pattern coverage: 93.795% (119 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.920
Then I find very few patterns in the guest's memory after 3 seconds 5.746

Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)

# read cache
When I mount the USB drive again 0.415
And I read the content of the test FS 0.710
Then patterns cover at least 99% of the test FS size in the guest's memory 3.196

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

When I umount the USB drive 0.952
Then I find very few patterns in the guest's memory after 3 seconds 6.581

Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)

After features/support/hooks.rb:326 0.772
After features/support/hooks.rb:100 0.000
1:15.536
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.071
And I prepare Tails for memory erasure tests 0.454
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.171
Then I find very few patterns in the guest's memory 2.415

Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.034
Then patterns cover at least 99% of the test FS size in the guest's memory 2.759

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

When I umount the USB drive 0.935
Then I find very few patterns in the guest's memory after 3 seconds 5.888

Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)

# read cache
When I mount the USB drive again 5.040
And I read the content of the test FS 0.389
Then patterns cover at least 99% of the test FS size in the guest's memory 2.703

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

When I umount the USB drive 2.073
Then I find very few patterns in the guest's memory after 3 seconds 5.596

Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)

After features/support/hooks.rb:326 0.871
After features/support/hooks.rb:100 0.000
49.986
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.288
And I prepare Tails for memory erasure tests 0.500
When I fill a 128 MiB file with a known pattern on the root filesystem 15.443
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.025
Then patterns cover at least 128 MiB in the guest's memory 2.981

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 20.731

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

After features/support/hooks.rb:326 3.525
After features/support/hooks.rb:100 0.000
7:49.716
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 7:1.797
And I prepare Tails for memory erasure tests 0.477
When I fill a 128 MiB file with a known pattern on the persistent filesystem 26.144
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.285

Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)

After features/support/hooks.rb:326 3.531
After features/support/hooks.rb:100 0.011