Project Number Date
test_Tails_ISO_20522-ocr-more 10 19 Dec 2024, 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 11:0.998 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.
19.725
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.087
And I prepare Tails for memory erasure tests 0.423
When I start a process allocating 128 MiB of memory with a known pattern 1.231
Then patterns cover at least 128 MiB in the guest's memory 3.524

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

When I kill the allocating process 0.518
Then I find very few patterns in the guest's memory after 3 seconds 5.938

Pattern coverage: 0.000% (0 MiB out of 700 MiB reference memory)

After features/support/hooks.rb:326 0.710
After features/support/hooks.rb:100 0.000
22.758
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.057
And I prepare Tails for memory erasure tests 0.428
And I find very few patterns in the guest's memory 2.997

Pattern coverage: 0.000% (0 MiB out of 699 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.659
Then patterns cover at least 99% of the test FS size in the guest's memory 3.091

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

When I umount "/mnt" 0.302
Then I find very few patterns in the guest's memory after 3 seconds 6.222

Pattern coverage: 0.000% (0 MiB out of 699 MiB reference memory)

After features/support/hooks.rb:326 0.726
After features/support/hooks.rb:100 0.000
47.503
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.086
And I prepare Tails for memory erasure tests 0.424
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.012
Then I find very few patterns in the guest's memory 3.718

Pattern coverage: 0.000% (0 MiB out of 699 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.028
Then patterns cover at least 75% of the test FS size in the guest's memory 4.179

Pattern coverage: 79.902% (101 MiB out of 127 MiB reference memory)

When I umount the USB drive 0.885
Then I find very few patterns in the guest's memory after 3 seconds 6.565

Pattern coverage: 0.000% (0 MiB out of 699 MiB reference memory)

# read cache
When I mount the USB drive again 0.213
And I read the content of the test FS 0.500
Then patterns cover at least 99% of the test FS size in the guest's memory 3.948

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

When I umount the USB drive 0.400
Then I find very few patterns in the guest's memory after 3 seconds 6.540

Pattern coverage: 0.001% (0 MiB out of 699 MiB reference memory)

After features/support/hooks.rb:326 0.811
After features/support/hooks.rb:100 0.000
1:10.639
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.479
And I prepare Tails for memory erasure tests 0.462
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.424
Then I find very few patterns in the guest's memory 2.467

Pattern coverage: 0.000% (0 MiB out of 702 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.657
Then patterns cover at least 99% of the test FS size in the guest's memory 2.758

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

When I umount the USB drive 0.855
Then I find very few patterns in the guest's memory after 3 seconds 5.327

Pattern coverage: 0.000% (0 MiB out of 702 MiB reference memory)

# read cache
When I mount the USB drive again 4.063
And I read the content of the test FS 0.432
Then patterns cover at least 99% of the test FS size in the guest's memory 3.187

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

When I umount the USB drive 0.545
Then I find very few patterns in the guest's memory after 3 seconds 5.977

Pattern coverage: 0.000% (0 MiB out of 702 MiB reference memory)

After features/support/hooks.rb:326 0.929
After features/support/hooks.rb:100 0.000
52.541
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.817
And I prepare Tails for memory erasure tests 0.394
When I fill a 128 MiB file with a known pattern on the root filesystem 18.214
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.264
Then patterns cover at least 128 MiB in the guest's memory 3.066

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 20.769

Pattern coverage: 0.000% (0 MiB out of 695 MiB reference memory)

After features/support/hooks.rb:326 3.533
After features/support/hooks.rb:100 0.000
7:27.830
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 6:41.425
And I prepare Tails for memory erasure tests 0.457
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.817
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.117

Pattern coverage: 0.000% (0 MiB out of 734 MiB reference memory)

After features/support/hooks.rb:326 3.517
After features/support/hooks.rb:100 0.011