Project Number Date
test_Tails_ISO_stable 5429 29 Jan 2025, 08:55

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 11:39.137 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
27.232
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 11.638
And I prepare Tails for memory erasure tests 0.573
When I start a process allocating 128 MiB of memory with a known pattern 2.584
Then patterns cover at least 128 MiB in the guest's memory 3.968 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.489
Then I find very few patterns in the guest's memory after 5 seconds 7.978 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:326 2.951
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.461
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.591
And I prepare Tails for memory erasure tests 0.710
And I find very few patterns in the guest's memory 2.988 
Pattern coverage: 0.000% (0 MiB out of 911 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 3.299
Then patterns cover at least 99% of the test FS size in the guest's memory 3.034 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.280
Then I find very few patterns in the guest's memory after 3 seconds 5.556 
Pattern coverage: 0.000% (0 MiB out of 911 MiB reference memory)
After features/support/hooks.rb:326 0.873
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.177
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 10.012
And I prepare Tails for memory erasure tests 0.448
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.458
Then I find very few patterns in the guest's memory 3.823 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.169
Then patterns cover at least 75% of the test FS size in the guest's memory 4.253 
Pattern coverage: 90.005% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.748
Then I find very few patterns in the guest's memory after 3 seconds 6.657 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
# read cache
When I mount the USB drive again 0.320
And I read the content of the test FS 0.564
Then patterns cover at least 99% of the test FS size in the guest's memory 4.135 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.966
Then I find very few patterns in the guest's memory after 3 seconds 6.616 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:326 1.087
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:20.717
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 10.197
And I prepare Tails for memory erasure tests 0.515
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.533
Then I find very few patterns in the guest's memory 2.523 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 5.578
Then patterns cover at least 99% of the test FS size in the guest's memory 2.769 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.654
Then I find very few patterns in the guest's memory after 3 seconds 5.346 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# read cache
When I mount the USB drive again 5.362
And I read the content of the test FS 0.451
Then patterns cover at least 99% of the test FS size in the guest's memory 2.639 
Pattern coverage: 106.117% (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 5.266 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:326 0.864
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.747
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.056
And I prepare Tails for memory erasure tests 0.437
When I fill a 128 MiB file with a known pattern on the root filesystem 14.521
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.977
Then patterns cover at least 128 MiB in the guest's memory 2.638 
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 21.100 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 3.950
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:44.799
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 6:59.775
And I prepare Tails for memory erasure tests 0.409
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.451
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.150 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:326 3.541
After features/support/hooks.rb:100 0.012