Project Number Date
test_Tails_ISO_tor-blog-40076-bring-back-download-links 4 17 Oct 2024, 16:25

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 12:25.727 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.
25.028
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.288
And I prepare Tails for memory erasure tests 0.639
When I start a process allocating 128 MiB of memory with a known pattern 2.419
Then patterns cover at least 128 MiB in the guest's memory 5.490

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

When I kill the allocating process 0.321
Then I find very few patterns in the guest's memory after 3 seconds 6.868

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

After features/support/hooks.rb:326 2.095
After features/support/hooks.rb:100 0.000
26.464
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.240
And I prepare Tails for memory erasure tests 0.464
And I find very few patterns in the guest's memory 3.943

Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.700
Then patterns cover at least 99% of the test FS size in the guest's memory 4.405

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

When I umount "/mnt" 0.878
Then I find very few patterns in the guest's memory after 3 seconds 6.831

Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)

After features/support/hooks.rb:326 1.361
After features/support/hooks.rb:100 0.000
55.042
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.521
And I prepare Tails for memory erasure tests 0.464
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.436
Then I find very few patterns in the guest's memory 4.088

Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3.382
Then patterns cover at least 75% of the test FS size in the guest's memory 4.630

Pattern coverage: 87.736% (111 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.386
Then I find very few patterns in the guest's memory after 3 seconds 6.723

Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)

# read cache
When I mount the USB drive again 0.621
And I read the content of the test FS 2.717
Then patterns cover at least 99% of the test FS size in the guest's memory 4.403

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

When I umount the USB drive 0.858
Then I find very few patterns in the guest's memory after 3 seconds 6.806

Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)

After features/support/hooks.rb:326 2.044
After features/support/hooks.rb:100 0.000
1:26.363
Before features/support/hooks.rb:269 0.005
Given I have started Tails from DVD without network and logged in 9.564
And I prepare Tails for memory erasure tests 0.467
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.061
Then I find very few patterns in the guest's memory 3.456

Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.471
Then patterns cover at least 99% of the test FS size in the guest's memory 3.769

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

When I umount the USB drive 1.209
Then I find very few patterns in the guest's memory after 3 seconds 6.250

Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)

# read cache
When I mount the USB drive again 6.776
And I read the content of the test FS 2.166
Then patterns cover at least 99% of the test FS size in the guest's memory 4.232

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

When I umount the USB drive 0.736
Then I find very few patterns in the guest's memory after 3 seconds 6.201

Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)

After features/support/hooks.rb:326 1.020
After features/support/hooks.rb:100 0.000
52.828
Before features/support/hooks.rb:269 0.008
Given I have started Tails from DVD without network and logged in 8.735
And I prepare Tails for memory erasure tests 0.442
When I fill a 128 MiB file with a known pattern on the root filesystem 16.855
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.608
Then patterns cover at least 128 MiB in the guest's memory 3.269

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 20.904

Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)

After features/support/hooks.rb:326 3.722
After features/support/hooks.rb:100 0.000
8:19.999
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 7:32.530
And I prepare Tails for memory erasure tests 0.629
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.419
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.409

Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)

After features/support/hooks.rb:326 3.486
After features/support/hooks.rb:100 0.012