Project Number Date
test_Tails_ISO_stable 4819 01 May 2024, 12:35

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 10:40.371 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
21.507
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 8.022
And I prepare Tails for memory erasure tests 0.507
When I start a process allocating 128 MiB of memory with a known pattern 3.604
Then patterns cover at least 128 MiB in the guest's memory 3.899 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.336
Then I find very few patterns in the guest's memory 4.137 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
After features/support/hooks.rb:305 0.851
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
23.695
Before features/support/hooks.rb:259 0.003
Given I have started Tails from DVD without network and logged in 8.094
And I prepare Tails for memory erasure tests 0.444
And I find very few patterns in the guest's memory 4.226 
Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.090
Then patterns cover at least 99% of the test FS size in the guest's memory 3.635 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.119
Then I find very few patterns in the guest's memory 4.083 
Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)
After features/support/hooks.rb:305 0.949
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
47.490
Before features/support/hooks.rb:259 0.003
Given I have started Tails from DVD without network and logged in 8.072
And I prepare Tails for memory erasure tests 0.528
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.016
Then I find very few patterns in the guest's memory 4.736 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.507
Then patterns cover at least 86% of the test FS size in the guest's memory 4.278 
Pattern coverage: 89.536% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.548
Then I find very few patterns in the guest's memory 4.762 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# read cache
When I mount the USB drive again 0.429
And I read the content of the test FS 0.477
Then patterns cover at least 99% of the test FS size in the guest's memory 3.865 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.661
Then I find very few patterns in the guest's memory 4.605 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:305 0.999
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
1:14.830
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 8.011
And I prepare Tails for memory erasure tests 0.567
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.576
Then I find very few patterns in the guest's memory 3.567 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 5.148
Then patterns cover at least 99% of the test FS size in the guest's memory 3.129 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.171
Then I find very few patterns in the guest's memory 3.544 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# read cache
When I mount the USB drive again 5.669
And I read the content of the test FS 0.642
Then patterns cover at least 99% of the test FS size in the guest's memory 3.178 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.902
Then I find very few patterns in the guest's memory 3.722 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:305 1.280
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
53.311
Before features/support/hooks.rb:259 0.003
Given I have started Tails from DVD without network and logged in 8.077
And I prepare Tails for memory erasure tests 0.502
When I fill a 128 MiB file with a known pattern on the root filesystem 18.394
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.648
Then patterns cover at least 128 MiB in the guest's memory 2.850 
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 1.805 
Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)
After features/support/hooks.rb:305 3.499
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
6:59.535
Before features/support/hooks.rb:259 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:16.509
And I prepare Tails for memory erasure tests 0.402
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.436
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 2.156 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:305 3.524
After features/support/hooks.rb:89 0.011