Project Number Date
test_Tails_ISO_devel 3437 24 Jun 2024, 12:54

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 11:27.461 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.
24.030
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.848
And I prepare Tails for memory erasure tests 1.580
When I start a process allocating 128 MiB of memory with a known pattern 5.010
Then patterns cover at least 128 MiB in the guest's memory 3.682

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

When I kill the allocating process 1.089
Then I find very few patterns in the guest's memory 3.818

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

After features/support/hooks.rb:326 3.723
After features/support/hooks.rb:100 0.000
25.585
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.298
And I prepare Tails for memory erasure tests 0.537
And I find very few patterns in the guest's memory 3.924

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 3.404
Then patterns cover at least 99% of the test FS size in the guest's memory 3.438

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

When I umount "/mnt" 0.945
Then I find very few patterns in the guest's memory 4.035

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

After features/support/hooks.rb:326 1.281
After features/support/hooks.rb:100 0.000
48.622
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.514
And I prepare Tails for memory erasure tests 0.449
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.271
Then I find very few patterns in the guest's memory 3.673

Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3.345
Then patterns cover at least 86% of the test FS size in the guest's memory 4.372

Pattern coverage: 90.920% (116 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.530
Then I find very few patterns in the guest's memory 4.641

Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)

# read cache
When I mount the USB drive again 0.475
And I read the content of the test FS 0.629
Then patterns cover at least 99% of the test FS size in the guest's memory 4.174

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

When I umount the USB drive 1.183
Then I find very few patterns in the guest's memory 5.361

Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)

After features/support/hooks.rb:326 3.369
After features/support/hooks.rb:100 0.000
1:16.527
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.100
And I prepare Tails for memory erasure tests 0.429
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.000
Then I find very few patterns in the guest's memory 3.811

Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.864
Then patterns cover at least 99% of the test FS size in the guest's memory 2.942

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

When I umount the USB drive 2.082
Then I find very few patterns in the guest's memory 3.452

Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)

# read cache
When I mount the USB drive again 5.564
And I read the content of the test FS 0.913
Then patterns cover at least 99% of the test FS size in the guest's memory 3.427

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

When I umount the USB drive 0.860
Then I find very few patterns in the guest's memory 4.075

Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)

After features/support/hooks.rb:326 1.225
After features/support/hooks.rb:100 0.000
52.091
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.293
And I prepare Tails for memory erasure tests 0.392
When I fill a 128 MiB file with a known pattern on the root filesystem 13.378
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 4.911
Then patterns cover at least 128 MiB in the guest's memory 3.314

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

When I trigger shutdown 0.013
And I wait 20 seconds 20.003

Slept for 20 seconds

Then I find very few patterns in the guest's memory 1.783

Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)

After features/support/hooks.rb:326 3.521
After features/support/hooks.rb:100 0.000
7:40.603
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 6:53.853
And I prepare Tails for memory erasure tests 0.421
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.129
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 2.167

Pattern coverage: 0.000% (0 MiB out of 916 MiB reference memory)

After features/support/hooks.rb:326 3.550
After features/support/hooks.rb:100 0.014