Project Number Date
test_Tails_ISO_20522-ocr-more 45 30 Jan 2025, 05:20

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 10:43.645 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.
24.302
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.962
And I prepare Tails for memory erasure tests 0.426
When I start a process allocating 128 MiB of memory with a known pattern 2.385
Then patterns cover at least 128 MiB in the guest's memory 3.388

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

When I kill the allocating process 1.358
Then I find very few patterns in the guest's memory after 5 seconds 8.781

Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)

After features/support/hooks.rb:326 0.735
After features/support/hooks.rb:100 0.000
21.988
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.881
And I prepare Tails for memory erasure tests 0.428
And I find very few patterns in the guest's memory 2.844

Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.660
Then patterns cover at least 99% of the test FS size in the guest's memory 3.010

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

When I umount "/mnt" 0.561
Then I find very few patterns in the guest's memory after 3 seconds 5.601

Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)

After features/support/hooks.rb:326 0.848
After features/support/hooks.rb:100 0.000
46.162
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.848
And I prepare Tails for memory erasure tests 0.444
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.002
Then I find very few patterns in the guest's memory 3.006

Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.552
Then patterns cover at least 75% of the test FS size in the guest's memory 4.187

Pattern coverage: 87.571% (111 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.325
Then I find very few patterns in the guest's memory after 3 seconds 6.454

Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)

# read cache
When I mount the USB drive again 0.218
And I read the content of the test FS 0.539
Then patterns cover at least 99% of the test FS size in the guest's memory 3.915

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

When I umount the USB drive 0.631
Then I find very few patterns in the guest's memory after 3 seconds 6.034

Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)

After features/support/hooks.rb:326 0.817
After features/support/hooks.rb:100 0.000
1:12.778
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.078
And I prepare Tails for memory erasure tests 0.352
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.247
Then I find very few patterns in the guest's memory 2.586

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

# write cache
When I fill the USB drive with a known pattern 1.613
Then patterns cover at least 99% of the test FS size in the guest's memory 2.751

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

When I umount the USB drive 0.861
Then I find very few patterns in the guest's memory after 3 seconds 5.604

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

# read cache
When I mount the USB drive again 4.754
And I read the content of the test FS 1.434
Then patterns cover at least 99% of the test FS size in the guest's memory 2.680

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

When I umount the USB drive 0.566
Then I find very few patterns in the guest's memory after 3 seconds 5.244

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

After features/support/hooks.rb:326 0.818
After features/support/hooks.rb:100 0.000
47.861
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.945
And I prepare Tails for memory erasure tests 0.435
When I fill a 128 MiB file with a known pattern on the root filesystem 14.906
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.497
Then patterns cover at least 128 MiB in the guest's memory 2.358

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 20.707

Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)

After features/support/hooks.rb:326 3.530
After features/support/hooks.rb:100 0.000
7:10.550
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 6:28.563
And I prepare Tails for memory erasure tests 0.454
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.272
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.249

Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)

After features/support/hooks.rb:326 3.521
After features/support/hooks.rb:100 0.012