Project Number Date
test_Tails_ISO_stable 4715 13 Mar 2024, 15:32

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 9:40.698 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
17.908
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.645
And I prepare Tails for memory erasure tests 0.512
When I start a process allocating 128 MiB of memory with a known pattern 1.185
Then patterns cover at least 128 MiB in the guest's memory 3.413 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.236
Then I find very few patterns in the guest's memory 3.915 
Pattern coverage: 0.000% (0 MiB out of 954 MiB reference memory)
After features/support/hooks.rb:291 0.671
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
23.630
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 7.845
And I prepare Tails for memory erasure tests 0.395
And I find very few patterns in the guest's memory 3.998 
Pattern coverage: 0.000% (0 MiB out of 922 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.648
Then patterns cover at least 99% of the test FS size in the guest's memory 4.635 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.480
Then I find very few patterns in the guest's memory 4.625 
Pattern coverage: 0.000% (0 MiB out of 922 MiB reference memory)
After features/support/hooks.rb:291 0.704
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
38.364
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.007
And I prepare Tails for memory erasure tests 0.434
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.673
Then I find very few patterns in the guest's memory 3.753 
Pattern coverage: 0.000% (0 MiB out of 924 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.505
Then patterns cover at least 86% of the test FS size in the guest's memory 3.643 
Pattern coverage: 99.847% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.052
Then I find very few patterns in the guest's memory 3.673 
Pattern coverage: 0.000% (0 MiB out of 924 MiB reference memory)
# read cache
When I mount the USB drive again 0.316
And I read the content of the test FS 0.483
Then patterns cover at least 99% of the test FS size in the guest's memory 3.197 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.565
Then I find very few patterns in the guest's memory 4.058 
Pattern coverage: 0.000% (0 MiB out of 924 MiB reference memory)
After features/support/hooks.rb:291 0.685
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
1:4.217
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 7.911
And I prepare Tails for memory erasure tests 0.419
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 26.979
Then I find very few patterns in the guest's memory 3.496 
Pattern coverage: 0.000% (0 MiB out of 922 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.769
Then patterns cover at least 99% of the test FS size in the guest's memory 2.965 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 4.890
Then I find very few patterns in the guest's memory 3.584 
Pattern coverage: 0.000% (0 MiB out of 922 MiB reference memory)
# read cache
When I mount the USB drive again 3.814
And I read the content of the test FS 0.475
Then patterns cover at least 99% of the test FS size in the guest's memory 3.035 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.503
Then I find very few patterns in the guest's memory 4.369 
Pattern coverage: 0.000% (0 MiB out of 922 MiB reference memory)
After features/support/hooks.rb:291 0.848
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
52.638
Before features/support/hooks.rb:245 0.005
Given I have started Tails from DVD without network and logged in 9.257
And I prepare Tails for memory erasure tests 0.435
When I fill a 128 MiB file with a known pattern on the root filesystem 16.542
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.442
Then patterns cover at least 128 MiB in the guest's memory 2.969 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.958 
Pattern coverage: 0.000% (0 MiB out of 951 MiB reference memory)
After features/support/hooks.rb:291 3.487
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
6:23.939
Before features/support/hooks.rb:245 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 5:41.780
And I prepare Tails for memory erasure tests 0.346
When I fill a 128 MiB file with a known pattern on the persistent filesystem 19.653
When I trigger shutdown 0.015
And I wait 20 seconds 20.003 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.140 
Pattern coverage: 0.000% (0 MiB out of 941 MiB reference memory)
After features/support/hooks.rb:291 3.556
After features/support/hooks.rb:75 0.009