Project Number Date
test_Tails_ISO_20522-ocr-more 3 13 Dec 2024, 05:21

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 11:6.637 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.
23.344
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.067
And I prepare Tails for memory erasure tests 0.446
When I start a process allocating 128 MiB of memory with a known pattern 2.571
Then patterns cover at least 128 MiB in the guest's memory 3.324

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

When I kill the allocating process 3.008
Then I find very few patterns in the guest's memory after 3 seconds 5.926

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

After features/support/hooks.rb:326 0.658
After features/support/hooks.rb:100 0.000
28.565
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.218
And I prepare Tails for memory erasure tests 0.413
And I find very few patterns in the guest's memory 2.891

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.587
Then patterns cover at least 99% of the test FS size in the guest's memory 3.159

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

When I umount "/mnt" 6.006
Then I find very few patterns in the guest's memory after 3 seconds 6.288

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

After features/support/hooks.rb:326 0.629
After features/support/hooks.rb:100 0.000
47.061
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.220
And I prepare Tails for memory erasure tests 0.459
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.252
Then I find very few patterns in the guest's memory 3.240

Pattern coverage: 0.000% (0 MiB out of 707 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.463
Then patterns cover at least 75% of the test FS size in the guest's memory 3.179

Pattern coverage: 81.577% (104 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.219
Then I find very few patterns in the guest's memory after 3 seconds 5.824

Pattern coverage: 0.000% (0 MiB out of 707 MiB reference memory)

# read cache
When I mount the USB drive again 0.335
And I read the content of the test FS 0.474
Then patterns cover at least 99% of the test FS size in the guest's memory 3.321

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

When I umount the USB drive 1.655
Then I find very few patterns in the guest's memory after 3 seconds 6.414

Pattern coverage: 0.000% (0 MiB out of 707 MiB reference memory)

After features/support/hooks.rb:326 0.696
After features/support/hooks.rb:100 0.000
1:14.029
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.167
And I prepare Tails for memory erasure tests 0.400
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.602
Then I find very few patterns in the guest's memory 2.565

Pattern coverage: 0.000% (0 MiB out of 688 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.151
Then patterns cover at least 99% of the test FS size in the guest's memory 3.047

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

When I umount the USB drive 1.652
Then I find very few patterns in the guest's memory after 3 seconds 5.415

Pattern coverage: 0.000% (0 MiB out of 688 MiB reference memory)

# read cache
When I mount the USB drive again 4.488
And I read the content of the test FS 0.515
Then patterns cover at least 99% of the test FS size in the guest's memory 2.737

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

When I umount the USB drive 1.026
Then I find very few patterns in the guest's memory after 3 seconds 5.258

Pattern coverage: 0.000% (0 MiB out of 688 MiB reference memory)

After features/support/hooks.rb:326 1.051
After features/support/hooks.rb:100 0.000
54.498
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.235
And I prepare Tails for memory erasure tests 0.412
When I fill a 128 MiB file with a known pattern on the root filesystem 21.607
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.045
Then patterns cover at least 128 MiB in the guest's memory 2.530

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

When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 20.656

Pattern coverage: 0.000% (0 MiB out of 694 MiB reference memory)

After features/support/hooks.rb:326 3.470
After features/support/hooks.rb:100 0.000
7:19.137
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 6:34.745
And I prepare Tails for memory erasure tests 0.593
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.648
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.136

Pattern coverage: 0.000% (0 MiB out of 745 MiB reference memory)

After features/support/hooks.rb:326 3.520
After features/support/hooks.rb:100 0.011