Project Number Date
test_Tails_ISO_stable 5381 08 Jan 2025, 17:15

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 10:50.990 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
19.990
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.018
And I prepare Tails for memory erasure tests 0.396
When I start a process allocating 128 MiB of memory with a known pattern 2.262
Then patterns cover at least 128 MiB in the guest's memory 3.371 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.255
Then I find very few patterns in the guest's memory after 3 seconds 5.684 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:326 0.892
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
23.734
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.103
And I prepare Tails for memory erasure tests 0.401
And I find very few patterns in the guest's memory 2.768 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.171
Then patterns cover at least 99% of the test FS size in the guest's memory 3.146 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.745
Then I find very few patterns in the guest's memory after 3 seconds 6.398 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:326 0.799
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
46.116
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.973
And I prepare Tails for memory erasure tests 0.406
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.993
Then I find very few patterns in the guest's memory 3.017 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.558
Then patterns cover at least 75% of the test FS size in the guest's memory 3.504 
Pattern coverage: 89.190% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.979
Then I find very few patterns in the guest's memory after 3 seconds 5.837 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
# read cache
When I mount the USB drive again 0.272
And I read the content of the test FS 0.611
Then patterns cover at least 99% of the test FS size in the guest's memory 3.325 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.413
Then I find very few patterns in the guest's memory after 3 seconds 6.222 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:326 0.884
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:14.689
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 0.411
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.492
Then I find very few patterns in the guest's memory 2.677 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.806
Then patterns cover at least 99% of the test FS size in the guest's memory 2.670 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.880
Then I find very few patterns in the guest's memory after 3 seconds 5.394 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# read cache
When I mount the USB drive again 5.271
And I read the content of the test FS 0.489
Then patterns cover at least 99% of the test FS size in the guest's memory 2.912 
Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.682
Then I find very few patterns in the guest's memory after 3 seconds 5.987 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:326 0.723
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.749
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.097
And I prepare Tails for memory erasure tests 0.424
When I fill a 128 MiB file with a known pattern on the root filesystem 15.209
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.804
Then patterns cover at least 128 MiB in the guest's memory 2.514 
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 20.686 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:326 3.481
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:17.709
Before features/support/hooks.rb:269 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:30.136
And I prepare Tails for memory erasure tests 0.491
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.830
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.237 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:326 3.502
After features/support/hooks.rb:100 0.012