Project Number Date
test_Tails_ISO_stable 5400 17 Jan 2025, 08:35

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 51 0 0 0 0 51 6 0 6 11:16.804 Passed
Tags: @product @slow @not_release_blocker
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.
Tags: @product @slow @not_release_blocker
21.093
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 7.954
And I prepare Tails for memory erasure tests 0.435
When I start a process allocating 128 MiB of memory with a known pattern 3.436
Then patterns cover at least 128 MiB in the guest's memory 3.201 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.334
Then I find very few patterns in the guest's memory after 3 seconds 5.731 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:326 0.753
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
23.505
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.893
And I prepare Tails for memory erasure tests 0.454
And I find very few patterns in the guest's memory 2.795 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.857
Then patterns cover at least 99% of the test FS size in the guest's memory 3.037 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.748
Then I find very few patterns in the guest's memory after 3 seconds 5.720 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:326 0.689
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.433
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.299
And I prepare Tails for memory erasure tests 0.455
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.501
Then I find very few patterns in the guest's memory 3.641 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.736
Then patterns cover at least 75% of the test FS size in the guest's memory 4.161 
Pattern coverage: 84.700% (108 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.323
Then I find very few patterns in the guest's memory after 3 seconds 6.364 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# read cache
When I mount the USB drive again 0.235
And I read the content of the test FS 0.588
Then patterns cover at least 99% of the test FS size in the guest's memory 3.971 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.526
Then I find very few patterns in the guest's memory after 3 seconds 6.627 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:326 0.726
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:11.461
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.971
And I prepare Tails for memory erasure tests 0.404
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.482
Then I find very few patterns in the guest's memory 2.510 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.040
Then patterns cover at least 99% of the test FS size in the guest's memory 2.660 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.209
Then I find very few patterns in the guest's memory after 3 seconds 5.554 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# read cache
When I mount the USB drive again 5.289
And I read the content of the test FS 0.433
Then patterns cover at least 99% of the test FS size in the guest's memory 2.732 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.878
Then I find very few patterns in the guest's memory after 3 seconds 5.294 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:326 0.746
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
47.973
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.964
And I prepare Tails for memory erasure tests 0.413
When I fill a 128 MiB file with a known pattern on the root filesystem 14.395
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.826
Then patterns cover at least 128 MiB in the guest's memory 2.627 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 20.732 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:326 3.463
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:44.335
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 7:0.082
And I prepare Tails for memory erasure tests 1.049
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.994
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 21.192 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:326 3.549
After features/support/hooks.rb:100 0.011