Project Number Date
test_Tails_ISO_stable 4971 24 Jul 2024, 22:31

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 11:1.445 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.
22.794
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.274
And I prepare Tails for memory erasure tests 0.415
When I start a process allocating 128 MiB of memory with a known pattern 4.653
Then patterns cover at least 128 MiB in the guest's memory 4.349

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

When I kill the allocating process 0.645
Then I find very few patterns in the guest's memory 4.456

Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)

After features/support/hooks.rb:326 1.797
After features/support/hooks.rb:100 0.000
23.599
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.200
And I prepare Tails for memory erasure tests 0.633
And I find very few patterns in the guest's memory 4.489

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.784
Then patterns cover at least 99% of the test FS size in the guest's memory 3.479

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

When I umount "/mnt" 0.582
Then I find very few patterns in the guest's memory 4.429

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

After features/support/hooks.rb:326 0.908
After features/support/hooks.rb:100 0.000
46.772
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.097
And I prepare Tails for memory erasure tests 0.407
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.391
Then I find very few patterns in the guest's memory 4.879

Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.590
Then patterns cover at least 86% of the test FS size in the guest's memory 4.899

Pattern coverage: 88.961% (113 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.094
Then I find very few patterns in the guest's memory 5.080

Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)

# read cache
When I mount the USB drive again 0.237
And I read the content of the test FS 0.984
Then patterns cover at least 99% of the test FS size in the guest's memory 4.272

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

When I umount the USB drive 0.629
Then I find very few patterns in the guest's memory 4.208

Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)

After features/support/hooks.rb:326 1.814
After features/support/hooks.rb:100 0.000
1:10.784
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.213
And I prepare Tails for memory erasure tests 0.433
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.104
Then I find very few patterns in the guest's memory 3.653

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

# write cache
When I fill the USB drive with a known pattern 2.126
Then patterns cover at least 99% of the test FS size in the guest's memory 3.266

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

When I umount the USB drive 1.639
Then I find very few patterns in the guest's memory 3.439

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

# read cache
When I mount the USB drive again 5.269
And I read the content of the test FS 0.760
Then patterns cover at least 99% of the test FS size in the guest's memory 3.408

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

When I umount the USB drive 0.771
Then I find very few patterns in the guest's memory 3.698

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

After features/support/hooks.rb:326 0.851
After features/support/hooks.rb:100 0.000
51.076
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.216
And I prepare Tails for memory erasure tests 0.402
When I fill a 128 MiB file with a known pattern on the root filesystem 15.637
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.710
Then patterns cover at least 128 MiB in the guest's memory 3.300

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

When I trigger shutdown 0.014
And I wait 20 seconds 20.003

Slept for 20 seconds

Then I find very few patterns in the guest's memory 1.790

Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)

After features/support/hooks.rb:326 3.511
After features/support/hooks.rb:100 0.000
7:26.417
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 6:41.436
And I prepare Tails for memory erasure tests 0.446
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.208
When I trigger shutdown 0.015
And I wait 20 seconds 20.020

Slept for 20 seconds

Then I find very few patterns in the guest's memory 2.291

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

After features/support/hooks.rb:326 3.523
After features/support/hooks.rb:100 0.011