Project Number Date
test_Tails_ISO_devel 3396 21 May 2024, 13:28

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 53 0 0 0 0 53 6 0 6 11:23.385 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.
19.708
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 8.137
And I prepare Tails for memory erasure tests 0.403
When I start a process allocating 128 MiB of memory with a known pattern 2.271
Then patterns cover at least 128 MiB in the guest's memory 3.540

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

When I kill the allocating process 1.103
Then I find very few patterns in the guest's memory 4.252

Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)

After features/support/hooks.rb:305 1.886
After features/support/hooks.rb:89 0.000
25.169
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 8.868
And I prepare Tails for memory erasure tests 0.391
And I find very few patterns in the guest's memory 4.548

Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.064
Then patterns cover at least 99% of the test FS size in the guest's memory 4.095

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

When I umount "/mnt" 0.910
Then I find very few patterns in the guest's memory 4.291

Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)

After features/support/hooks.rb:305 1.832
After features/support/hooks.rb:89 0.000
44.375
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 8.357
And I prepare Tails for memory erasure tests 0.387
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.422
Then I find very few patterns in the guest's memory 4.768

Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.718
Then patterns cover at least 86% of the test FS size in the guest's memory 4.113

Pattern coverage: 90.213% (115 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.338
Then I find very few patterns in the guest's memory 3.654

Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)

# read cache
When I mount the USB drive again 0.241
And I read the content of the test FS 0.716
Then patterns cover at least 99% of the test FS size in the guest's memory 3.220

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

When I umount the USB drive 0.614
Then I find very few patterns in the guest's memory 3.820

Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)

After features/support/hooks.rb:305 0.859
After features/support/hooks.rb:89 0.000
1:22.596
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 8.261
And I prepare Tails for memory erasure tests 0.379
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.758
Then I find very few patterns in the guest's memory 3.905

Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.091
Then patterns cover at least 99% of the test FS size in the guest's memory 2.893

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

When I umount the USB drive 0.968
Then I find very few patterns in the guest's memory 3.717

Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)

# read cache
When I mount the USB drive again 13.894
And I read the content of the test FS 0.447
Then patterns cover at least 99% of the test FS size in the guest's memory 3.448

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

When I umount the USB drive 0.790
Then I find very few patterns in the guest's memory 4.040

Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)

After features/support/hooks.rb:305 1.406
After features/support/hooks.rb:89 0.000
56.185
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 9.278
And I prepare Tails for memory erasure tests 0.416
When I fill a 128 MiB file with a known pattern on the root filesystem 19.493
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.153
Then patterns cover at least 128 MiB in the guest's memory 3.065

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

When I trigger shutdown 0.016
And I wait 20 seconds 20.011

Slept for 20 seconds

Then I find very few patterns in the guest's memory 1.749

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

After features/support/hooks.rb:305 3.505
After features/support/hooks.rb:89 0.000
7:35.349
Before features/support/hooks.rb:259 0.005
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:50.596
And I prepare Tails for memory erasure tests 0.481
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.985
When I trigger shutdown 0.011
And I wait 20 seconds 20.003

Slept for 20 seconds

Then I find very few patterns in the guest's memory 2.270

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

After features/support/hooks.rb:305 3.485
After features/support/hooks.rb:89 0.014