Project Number Date
test_Tails_ISO_tor-blog-40076-bring-back-download-links 7 20 Oct 2024, 16:06

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 10:35.983 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.
20.223
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.013
And I prepare Tails for memory erasure tests 0.547
When I start a process allocating 128 MiB of memory with a known pattern 1.182
Then patterns cover at least 128 MiB in the guest's memory 3.398

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

When I kill the allocating process 1.168
Then I find very few patterns in the guest's memory after 3 seconds 5.913

Pattern coverage: 0.000% (0 MiB out of 914 MiB reference memory)

After features/support/hooks.rb:326 0.885
After features/support/hooks.rb:100 0.000
23.801
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.102
And I prepare Tails for memory erasure tests 0.507
And I find very few patterns in the guest's memory 2.829

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.429
Then patterns cover at least 99% of the test FS size in the guest's memory 3.187

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

When I umount "/mnt" 0.938
Then I find very few patterns in the guest's memory after 3 seconds 5.806

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

After features/support/hooks.rb:326 0.956
After features/support/hooks.rb:100 0.000
45.522
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.442
And I prepare Tails for memory erasure tests 0.493
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.058
Then I find very few patterns in the guest's memory 2.899

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

# write cache
When I fill the USB drive with a known pattern 2.963
Then patterns cover at least 75% of the test FS size in the guest's memory 3.114

Pattern coverage: 86.530% (110 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.293
Then I find very few patterns in the guest's memory after 3 seconds 5.742

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

# read cache
When I mount the USB drive again 0.368
And I read the content of the test FS 0.458
Then patterns cover at least 99% of the test FS size in the guest's memory 3.313

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

When I umount the USB drive 0.541
Then I find very few patterns in the guest's memory after 3 seconds 5.831

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

After features/support/hooks.rb:326 0.964
After features/support/hooks.rb:100 0.000
1:11.113
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.063
And I prepare Tails for memory erasure tests 0.544
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.787
Then I find very few patterns in the guest's memory 2.418

Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.860
Then patterns cover at least 99% of the test FS size in the guest's memory 2.700

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

When I umount the USB drive 1.491
Then I find very few patterns in the guest's memory after 3 seconds 5.337

Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)

# read cache
When I mount the USB drive again 5.295
And I read the content of the test FS 0.442
Then patterns cover at least 99% of the test FS size in the guest's memory 2.861

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

When I umount the USB drive 0.814
Then I find very few patterns in the guest's memory after 3 seconds 5.493

Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)

After features/support/hooks.rb:326 1.373
After features/support/hooks.rb:100 0.000
53.208
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.497
And I prepare Tails for memory erasure tests 0.635
When I fill a 128 MiB file with a known pattern on the root filesystem 18.361
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.048
Then patterns cover at least 128 MiB in the guest's memory 2.908

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 20.741

Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)

After features/support/hooks.rb:326 3.529
After features/support/hooks.rb:100 0.000
7:2.114
Before features/support/hooks.rb:269 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:18.488
And I prepare Tails for memory erasure tests 0.406
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.017
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.188

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

After features/support/hooks.rb:326 3.503
After features/support/hooks.rb:100 0.016