Project Number Date
test_Tails_ISO_20522-ocr-more 5 15 Dec 2024, 05:17

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 10:54.862 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.
18.949
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.838
And I prepare Tails for memory erasure tests 0.510
When I start a process allocating 128 MiB of memory with a known pattern 1.222
Then patterns cover at least 128 MiB in the guest's memory 3.271

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

When I kill the allocating process 0.338
Then I find very few patterns in the guest's memory after 3 seconds 5.767

Pattern coverage: 0.000% (0 MiB out of 690 MiB reference memory)

After features/support/hooks.rb:326 0.678
After features/support/hooks.rb:100 0.000
22.283
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.957
And I prepare Tails for memory erasure tests 0.460
And I find very few patterns in the guest's memory 2.870

Pattern coverage: 0.000% (0 MiB out of 720 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.638
Then patterns cover at least 99% of the test FS size in the guest's memory 3.229

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

When I umount "/mnt" 0.279
Then I find very few patterns in the guest's memory after 3 seconds 5.846

Pattern coverage: 0.000% (0 MiB out of 720 MiB reference memory)

After features/support/hooks.rb:326 0.693
After features/support/hooks.rb:100 0.000
49.268
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.890
And I prepare Tails for memory erasure tests 0.503
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.612
Then I find very few patterns in the guest's memory 3.107

Pattern coverage: 0.000% (0 MiB out of 693 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.314
Then patterns cover at least 75% of the test FS size in the guest's memory 4.130

Pattern coverage: 80.778% (103 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.200
Then I find very few patterns in the guest's memory after 3 seconds 6.546

Pattern coverage: 0.000% (0 MiB out of 693 MiB reference memory)

# read cache
When I mount the USB drive again 1.162
And I read the content of the test FS 1.148
Then patterns cover at least 99% of the test FS size in the guest's memory 3.763

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

When I umount the USB drive 0.656
Then I find very few patterns in the guest's memory after 3 seconds 6.232

Pattern coverage: 0.000% (0 MiB out of 693 MiB reference memory)

After features/support/hooks.rb:326 1.872
After features/support/hooks.rb:100 0.000
1:11.487
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.023
And I prepare Tails for memory erasure tests 0.567
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.250
Then I find very few patterns in the guest's memory 2.515

Pattern coverage: 0.000% (0 MiB out of 686 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.648
Then patterns cover at least 99% of the test FS size in the guest's memory 2.627

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

When I umount the USB drive 0.863
Then I find very few patterns in the guest's memory after 3 seconds 5.394

Pattern coverage: 0.000% (0 MiB out of 686 MiB reference memory)

# read cache
When I mount the USB drive again 4.493
And I read the content of the test FS 0.384
Then patterns cover at least 99% of the test FS size in the guest's memory 3.159

Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.723
Then I find very few patterns in the guest's memory after 3 seconds 5.836

Pattern coverage: 0.000% (0 MiB out of 686 MiB reference memory)

After features/support/hooks.rb:326 1.090
After features/support/hooks.rb:100 0.000
1:4.111
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 20.608
And I prepare Tails for memory erasure tests 0.440
When I fill a 128 MiB file with a known pattern on the root filesystem 18.272
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.092
Then patterns cover at least 128 MiB in the guest's memory 2.954

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 20.729

Pattern coverage: 0.000% (0 MiB out of 690 MiB reference memory)

After features/support/hooks.rb:326 3.524
After features/support/hooks.rb:100 0.000
7:8.762
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 6:25.742
And I prepare Tails for memory erasure tests 0.413
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.488
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.104

Pattern coverage: 0.000% (0 MiB out of 757 MiB reference memory)

After features/support/hooks.rb:326 3.490
After features/support/hooks.rb:100 0.011