Project Number Date
test_Tails_ISO_devel 3795 29 Apr 2025, 19:16

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 10:46.156 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
22.166
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 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 start a process allocating 128 MiB of memory with a known pattern 1.188
Then patterns cover at least 128 MiB in the guest's memory 3.510 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.753
Then I find very few patterns in the guest's memory after 5 seconds 8.336 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:330 0.654
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
23.180
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.081
And I prepare Tails for memory erasure tests 0.460
And I find very few patterns in the guest's memory 3.049 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.650
Then patterns cover at least 99% of the test FS size in the guest's memory 3.410 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.396
Then I find very few patterns in the guest's memory after 3 seconds 6.131 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 0.682
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
45.774
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.019
And I prepare Tails for memory erasure tests 0.444
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.127
Then I find very few patterns in the guest's memory 3.925 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.286
Then patterns cover at least 75% of the test FS size in the guest's memory 4.054 
Pattern coverage: 83.276% (106 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.850
Then I find very few patterns in the guest's memory after 3 seconds 5.701 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# read cache
When I mount the USB drive again 0.225
And I read the content of the test FS 1.116
Then patterns cover at least 99% of the test FS size in the guest's memory 3.530 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.456
Then I find very few patterns in the guest's memory after 3 seconds 6.035 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:330 0.653
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:10.480
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.054
And I prepare Tails for memory erasure tests 0.392
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.236
Then I find very few patterns in the guest's memory 2.733 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.802
Then patterns cover at least 99% of the test FS size in the guest's memory 3.333 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.742
Then I find very few patterns in the guest's memory after 3 seconds 5.963 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# read cache
When I mount the USB drive again 3.705
And I read the content of the test FS 0.596
Then patterns cover at least 99% of the test FS size in the guest's memory 3.603 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.483
Then I find very few patterns in the guest's memory after 3 seconds 5.830 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 1.548
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.238
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.359
And I prepare Tails for memory erasure tests 0.416
When I fill a 128 MiB file with a known pattern on the root filesystem 16.803
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.999
Then patterns cover at least 128 MiB in the guest's memory 2.826 
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 20.818 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:330 3.474
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:13.316
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:27.537
And I prepare Tails for memory erasure tests 0.903
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.676
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.184 
Pattern coverage: 0.000% (0 MiB out of 914 MiB reference memory)
After features/support/hooks.rb:330 3.541
After features/support/hooks.rb:100 0.012