Project Number Date
test_Tails_ISO_devel 3453 09 Jul 2024, 14:50

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 11:26.460 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.
23.519
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.028
And I prepare Tails for memory erasure tests 0.437
When I start a process allocating 128 MiB of memory with a known pattern 2.566
Then patterns cover at least 128 MiB in the guest's memory 4.019

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

When I kill the allocating process 4.188
Then I find very few patterns in the guest's memory 4.279

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

After features/support/hooks.rb:326 0.896
After features/support/hooks.rb:100 0.000
25.297
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.095
And I prepare Tails for memory erasure tests 0.438
And I find very few patterns in the guest's memory 4.219

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.365
Then patterns cover at least 99% of the test FS size in the guest's memory 4.421

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

When I umount "/mnt" 1.390
Then I find very few patterns in the guest's memory 4.368

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

After features/support/hooks.rb:326 0.882
After features/support/hooks.rb:100 0.000
46.785
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.012
And I prepare Tails for memory erasure tests 0.407
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.224
Then I find very few patterns in the guest's memory 4.341

Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.809
Then patterns cover at least 86% of the test FS size in the guest's memory 4.205

Pattern coverage: 91.774% (117 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.819
Then I find very few patterns in the guest's memory 4.500

Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)

# read cache
When I mount the USB drive again 0.303
And I read the content of the test FS 2.298
Then patterns cover at least 99% of the test FS size in the guest's memory 3.343

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

When I umount the USB drive 0.720
Then I find very few patterns in the guest's memory 3.797

Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)

After features/support/hooks.rb:326 0.961
After features/support/hooks.rb:100 0.000
1:11.232
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.966
And I prepare Tails for memory erasure tests 0.382
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.728
Then I find very few patterns in the guest's memory 3.828

Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.859
Then patterns cover at least 99% of the test FS size in the guest's memory 3.365

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

When I umount the USB drive 1.164
Then I find very few patterns in the guest's memory 3.662

Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)

# read cache
When I mount the USB drive again 6.807
And I read the content of the test FS 0.551
Then patterns cover at least 99% of the test FS size in the guest's memory 3.262

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

When I umount the USB drive 0.852
Then I find very few patterns in the guest's memory 3.798

Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)

After features/support/hooks.rb:326 1.088
After features/support/hooks.rb:100 0.000
52.742
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.306
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 16.692
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.292
Then patterns cover at least 128 MiB in the guest's memory 3.246

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

When I trigger shutdown 0.011
And I wait 20 seconds 20.020

Slept for 20 seconds

Then I find very few patterns in the guest's memory 1.770

Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)

After features/support/hooks.rb:326 3.509
After features/support/hooks.rb:100 0.000
7:46.883
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 7:0.836
And I prepare Tails for memory erasure tests 0.458
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.237
When I trigger shutdown 0.010
And I wait 20 seconds 20.020

Slept for 20 seconds

Then I find very few patterns in the guest's memory 2.322

Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)

After features/support/hooks.rb:326 3.546
After features/support/hooks.rb:100 0.012