Project Number Date
test_Tails_ISO_devel 3427 15 Jun 2024, 13:04

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 13:4.090 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
27.069
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.529
And I prepare Tails for memory erasure tests 0.605
When I start a process allocating 128 MiB of memory with a known pattern 8.127
Then patterns cover at least 128 MiB in the guest's memory 4.023 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.959
Then I find very few patterns in the guest's memory 3.823 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
After features/support/hooks.rb:315 1.004
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
44.991
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 25.148
And I prepare Tails for memory erasure tests 0.499
And I find very few patterns in the guest's memory 4.190 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 4.710
Then patterns cover at least 99% of the test FS size in the guest's memory 3.604 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 2.307
Then I find very few patterns in the guest's memory 4.530 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:315 0.998
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.937
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.339
And I prepare Tails for memory erasure tests 0.562
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.316
Then I find very few patterns in the guest's memory 4.915 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 4.343
Then patterns cover at least 86% of the test FS size in the guest's memory 4.794 
Pattern coverage: 90.440% (115 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.539
Then I find very few patterns in the guest's memory 4.833 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# read cache
When I mount the USB drive again 1.070
And I read the content of the test FS 0.688
Then patterns cover at least 99% of the test FS size in the guest's memory 4.003 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.697
Then I find very few patterns in the guest's memory 4.833 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:315 1.186
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:17.189
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.376
And I prepare Tails for memory erasure tests 0.535
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.583
Then I find very few patterns in the guest's memory 3.339 
Pattern coverage: 0.000% (0 MiB out of 867 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 4.076
Then patterns cover at least 99% of the test FS size in the guest's memory 3.064 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 2.361
Then I find very few patterns in the guest's memory 3.748 
Pattern coverage: 0.000% (0 MiB out of 867 MiB reference memory)
# read cache
When I mount the USB drive again 6.698
And I read the content of the test FS 0.609
Then patterns cover at least 99% of the test FS size in the guest's memory 3.709 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.962
Then I find very few patterns in the guest's memory 4.122 
Pattern coverage: 0.000% (0 MiB out of 867 MiB reference memory)
After features/support/hooks.rb:315 0.902
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
57.673
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.089
And I prepare Tails for memory erasure tests 0.617
When I fill a 128 MiB file with a known pattern on the root filesystem 13.748
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 9.306
Then patterns cover at least 128 MiB in the guest's memory 2.938 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.011
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.941 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:315 3.599
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:44.228
Before features/support/hooks.rb:269 0.004
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 8:0.856
And I prepare Tails for memory erasure tests 0.446
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.708
When I trigger shutdown 0.014
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.181 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:315 3.539
After features/support/hooks.rb:100 0.013