Project Number Date
test_Tails_ISO_devel 3413 03 Jun 2024, 22:42

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 12:17.529 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.
22.665
Before features/support/hooks.rb:265 0.003
Given I have started Tails from DVD without network and logged in 9.310
And I prepare Tails for memory erasure tests 0.443
When I start a process allocating 128 MiB of memory with a known pattern 1.334
Then patterns cover at least 128 MiB in the guest's memory 5.477

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

When I kill the allocating process 1.064
Then I find very few patterns in the guest's memory 5.033

Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)

After features/support/hooks.rb:311 1.097
After features/support/hooks.rb:100 0.000
25.620
Before features/support/hooks.rb:265 0.002
Given I have started Tails from DVD without network and logged in 8.378
And I prepare Tails for memory erasure tests 0.429
And I find very few patterns in the guest's memory 5.261

Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.401
Then patterns cover at least 99% of the test FS size in the guest's memory 3.832

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

When I umount "/mnt" 0.597
Then I find very few patterns in the guest's memory 4.719

Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)

After features/support/hooks.rb:311 0.898
After features/support/hooks.rb:100 0.000
53.749
Before features/support/hooks.rb:265 0.002
Given I have started Tails from DVD without network and logged in 8.158
And I prepare Tails for memory erasure tests 0.432
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.170
Then I find very few patterns in the guest's memory 4.098

Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 4.309
Then patterns cover at least 86% of the test FS size in the guest's memory 3.457

Pattern coverage: 89.013% (113 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.859
Then I find very few patterns in the guest's memory 4.541

Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)

# read cache
When I mount the USB drive again 1.361
And I read the content of the test FS 1.137
Then patterns cover at least 99% of the test FS size in the guest's memory 4.052

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

When I umount the USB drive 6.392
Then I find very few patterns in the guest's memory 4.777

Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)

After features/support/hooks.rb:311 1.397
After features/support/hooks.rb:100 0.000
1:26.193
Before features/support/hooks.rb:265 0.003
Given I have started Tails from DVD without network and logged in 8.831
And I prepare Tails for memory erasure tests 0.487
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.919
Then I find very few patterns in the guest's memory 4.088

Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.480
Then patterns cover at least 99% of the test FS size in the guest's memory 3.562

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

When I umount the USB drive 5.137
Then I find very few patterns in the guest's memory 3.376

Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)

# read cache
When I mount the USB drive again 7.090
And I read the content of the test FS 2.886
Then patterns cover at least 99% of the test FS size in the guest's memory 4.529

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

When I umount the USB drive 0.662
Then I find very few patterns in the guest's memory 4.139

Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)

After features/support/hooks.rb:311 0.891
After features/support/hooks.rb:100 0.000
53.281
Before features/support/hooks.rb:265 0.002
Given I have started Tails from DVD without network and logged in 8.172
And I prepare Tails for memory erasure tests 0.499
When I fill a 128 MiB file with a known pattern on the root filesystem 16.237
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.141
Then patterns cover at least 128 MiB in the guest's memory 3.286

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

When I trigger shutdown 0.016
And I wait 20 seconds 20.016

Slept for 20 seconds

Then I find very few patterns in the guest's memory 1.911

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

After features/support/hooks.rb:311 3.516
After features/support/hooks.rb:100 0.000
8:16.017
Before features/support/hooks.rb:265 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:28.670
And I prepare Tails for memory erasure tests 0.454
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.624
When I trigger shutdown 0.011
And I wait 20 seconds 20.002

Slept for 20 seconds

Then I find very few patterns in the guest's memory 2.253

Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)

After features/support/hooks.rb:311 3.531
After features/support/hooks.rb:100 0.013