Project Number Date
test_Tails_ISO_20522-ocr-more 48 31 Jan 2025, 05:16

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 10:49.464 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.
23.355
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.864
And I prepare Tails for memory erasure tests 0.431
When I start a process allocating 128 MiB of memory with a known pattern 1.239
Then patterns cover at least 128 MiB in the guest's memory 3.335

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

When I kill the allocating process 1.927
Then I find very few patterns in the guest's memory after 5 seconds 8.557

Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)

After features/support/hooks.rb:326 0.745
After features/support/hooks.rb:100 0.000
22.711
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 7.852
And I prepare Tails for memory erasure tests 0.441
And I find very few patterns in the guest's memory 2.790

Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.063
Then patterns cover at least 99% of the test FS size in the guest's memory 3.047

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

When I umount "/mnt" 0.774
Then I find very few patterns in the guest's memory after 3 seconds 5.742

Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)

After features/support/hooks.rb:326 0.767
After features/support/hooks.rb:100 0.000
46.708
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 7.787
And I prepare Tails for memory erasure tests 0.491
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.076
Then I find very few patterns in the guest's memory 2.659

Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.284
Then patterns cover at least 75% of the test FS size in the guest's memory 4.200

Pattern coverage: 84.011% (107 MiB out of 127 MiB reference memory)

When I umount the USB drive 3.317
Then I find very few patterns in the guest's memory after 3 seconds 5.943

Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)

# read cache
When I mount the USB drive again 0.465
And I read the content of the test FS 0.497
Then patterns cover at least 99% of the test FS size in the guest's memory 3.078

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

When I umount the USB drive 0.472
Then I find very few patterns in the guest's memory after 3 seconds 6.434

Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)

After features/support/hooks.rb:326 0.924
After features/support/hooks.rb:100 0.000
1:15.553
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.837
And I prepare Tails for memory erasure tests 0.435
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.384
Then I find very few patterns in the guest's memory 2.396

Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.866
Then patterns cover at least 99% of the test FS size in the guest's memory 2.798

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

When I umount the USB drive 1.825
Then I find very few patterns in the guest's memory after 3 seconds 5.388

Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)

# read cache
When I mount the USB drive again 5.335
And I read the content of the test FS 0.418
Then patterns cover at least 99% of the test FS size in the guest's memory 2.879

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

When I umount the USB drive 0.985
Then I find very few patterns in the guest's memory after 3 seconds 6.001

Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)

After features/support/hooks.rb:326 0.779
After features/support/hooks.rb:100 0.000
50.563
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.021
And I prepare Tails for memory erasure tests 0.453
When I fill a 128 MiB file with a known pattern on the root filesystem 16.615
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.795
Then patterns cover at least 128 MiB in the guest's memory 2.970

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 20.695

Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)

After features/support/hooks.rb:326 3.481
After features/support/hooks.rb:100 0.000
7:10.572
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 6:27.987
And I prepare Tails for memory erasure tests 0.520
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.914
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.137

Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)

After features/support/hooks.rb:326 3.479
After features/support/hooks.rb:100 0.026