Project Number Date
test_Tails_ISO_20522-ocr-more 15 24 Dec 2024, 06:21

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 11:27.954 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.
22.022
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.180
And I prepare Tails for memory erasure tests 0.493
When I start a process allocating 128 MiB of memory with a known pattern 2.437
Then patterns cover at least 128 MiB in the guest's memory 3.673

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

When I kill the allocating process 0.280
Then I find very few patterns in the guest's memory after 3 seconds 6.956

Pattern coverage: 0.000% (0 MiB out of 680 MiB reference memory)

After features/support/hooks.rb:326 0.744
After features/support/hooks.rb:100 0.000
24.439
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.446
And I prepare Tails for memory erasure tests 0.507
And I find very few patterns in the guest's memory 3.812

Pattern coverage: 0.000% (0 MiB out of 678 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.359
Then patterns cover at least 99% of the test FS size in the guest's memory 3.538

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

When I umount "/mnt" 0.399
Then I find very few patterns in the guest's memory after 3 seconds 6.375

Pattern coverage: 0.000% (0 MiB out of 678 MiB reference memory)

After features/support/hooks.rb:326 0.926
After features/support/hooks.rb:100 0.000
50.769
Before features/support/hooks.rb:269 0.005
Given I have started Tails from DVD without network and logged in 9.272
And I prepare Tails for memory erasure tests 0.493
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.168
Then I find very few patterns in the guest's memory 3.556

Pattern coverage: 0.000% (0 MiB out of 676 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.571
Then patterns cover at least 75% of the test FS size in the guest's memory 4.157

Pattern coverage: 79.976% (102 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.590
Then I find very few patterns in the guest's memory after 3 seconds 6.573

Pattern coverage: 0.000% (0 MiB out of 676 MiB reference memory)

# read cache
When I mount the USB drive again 0.235
And I read the content of the test FS 0.657
Then patterns cover at least 99% of the test FS size in the guest's memory 3.931

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

When I umount the USB drive 1.112
Then I find very few patterns in the guest's memory after 3 seconds 6.447

Pattern coverage: 0.000% (0 MiB out of 676 MiB reference memory)

After features/support/hooks.rb:326 0.860
After features/support/hooks.rb:100 0.000
1:18.639
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.260
And I prepare Tails for memory erasure tests 0.458
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.575
Then I find very few patterns in the guest's memory 2.978

Pattern coverage: 0.000% (0 MiB out of 674 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.023
Then patterns cover at least 99% of the test FS size in the guest's memory 3.368

Pattern coverage: 106.113% (97 MiB out of 91 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 5.944

Pattern coverage: 0.000% (0 MiB out of 674 MiB reference memory)

# read cache
When I mount the USB drive again 6.202
And I read the content of the test FS 0.438
Then patterns cover at least 99% of the test FS size in the guest's memory 3.098

Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.770
Then I find very few patterns in the guest's memory after 3 seconds 5.635

Pattern coverage: 0.000% (0 MiB out of 674 MiB reference memory)

After features/support/hooks.rb:326 1.821
After features/support/hooks.rb:100 0.000
1:4.995
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 21.407
And I prepare Tails for memory erasure tests 0.445
When I fill a 128 MiB file with a known pattern on the root filesystem 17.600
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.418
Then patterns cover at least 128 MiB in the guest's memory 3.330

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

When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 20.778

Pattern coverage: 0.000% (0 MiB out of 674 MiB reference memory)

After features/support/hooks.rb:326 3.510
After features/support/hooks.rb:100 0.000
7:27.089
Before features/support/hooks.rb:269 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:44.216
And I prepare Tails for memory erasure tests 0.468
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.110
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.280

Pattern coverage: 0.000% (0 MiB out of 741 MiB reference memory)

After features/support/hooks.rb:326 3.524
After features/support/hooks.rb:100 0.012