Project Number Date
test_Tails_ISO_20522-ocr-more 4 14 Dec 2024, 05:23

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 10:58.794 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.
19.959
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.910
And I prepare Tails for memory erasure tests 0.469
When I start a process allocating 128 MiB of memory with a known pattern 1.259
Then patterns cover at least 128 MiB in the guest's memory 3.422

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

When I kill the allocating process 1.082
Then I find very few patterns in the guest's memory after 3 seconds 5.815

Pattern coverage: 0.000% (0 MiB out of 703 MiB reference memory)

After features/support/hooks.rb:326 1.822
After features/support/hooks.rb:100 0.000
23.197
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.863
And I prepare Tails for memory erasure tests 0.480
And I find very few patterns in the guest's memory 2.844

Pattern coverage: 0.000% (0 MiB out of 704 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.384
Then patterns cover at least 99% of the test FS size in the guest's memory 3.417

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

When I umount "/mnt" 0.234
Then I find very few patterns in the guest's memory after 3 seconds 5.971

Pattern coverage: 0.000% (0 MiB out of 704 MiB reference memory)

After features/support/hooks.rb:326 0.718
After features/support/hooks.rb:100 0.000
44.299
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.923
And I prepare Tails for memory erasure tests 0.439
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.101
Then I find very few patterns in the guest's memory 2.639

Pattern coverage: 0.000% (0 MiB out of 710 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.316
Then patterns cover at least 75% of the test FS size in the guest's memory 3.405

Pattern coverage: 81.194% (103 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.241
Then I find very few patterns in the guest's memory after 3 seconds 5.815

Pattern coverage: 0.000% (0 MiB out of 710 MiB reference memory)

# read cache
When I mount the USB drive again 0.205
And I read the content of the test FS 0.450
Then patterns cover at least 99% of the test FS size in the guest's memory 3.112

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

When I umount the USB drive 0.498
Then I find very few patterns in the guest's memory after 3 seconds 6.149

Pattern coverage: 0.001% (0 MiB out of 710 MiB reference memory)

After features/support/hooks.rb:326 0.730
After features/support/hooks.rb:100 0.000
1:14.750
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.896
And I prepare Tails for memory erasure tests 0.452
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.516
Then I find very few patterns in the guest's memory 2.404

Pattern coverage: 0.000% (0 MiB out of 710 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.505
Then patterns cover at least 99% of the test FS size in the guest's memory 2.961

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

When I umount the USB drive 0.700
Then I find very few patterns in the guest's memory after 3 seconds 5.402

Pattern coverage: 0.000% (0 MiB out of 710 MiB reference memory)

# read cache
When I mount the USB drive again 4.425
And I read the content of the test FS 0.573
Then patterns cover at least 99% of the test FS size in the guest's memory 2.682

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

When I umount the USB drive 0.569
Then I find very few patterns in the guest's memory after 3 seconds 5.659

Pattern coverage: 0.000% (0 MiB out of 710 MiB reference memory)

After features/support/hooks.rb:326 0.968
After features/support/hooks.rb:100 0.000
48.709
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.007
And I prepare Tails for memory erasure tests 0.388
When I fill a 128 MiB file with a known pattern on the root filesystem 15.348
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.069
Then patterns cover at least 128 MiB in the guest's memory 3.157

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

When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 20.722

Pattern coverage: 0.000% (0 MiB out of 687 MiB reference memory)

After features/support/hooks.rb:326 3.446
After features/support/hooks.rb:100 0.000
7:27.878
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 6:46.083
And I prepare Tails for memory erasure tests 0.416
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.289
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.077

Pattern coverage: 0.000% (0 MiB out of 737 MiB reference memory)

After features/support/hooks.rb:326 3.508
After features/support/hooks.rb:100 0.010