Project Number Date
test_Tails_ISO_stable 4700 05 Mar 2024, 17:20

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 10:2.362 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
18.182
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.650
And I prepare Tails for memory erasure tests 0.429
When I start a process allocating 128 MiB of memory with a known pattern 1.179
Then patterns cover at least 128 MiB in the guest's memory 3.554 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.260
Then I find very few patterns in the guest's memory 4.107 
Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)
After features/support/hooks.rb:291 0.640
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
21.615
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 7.984
And I prepare Tails for memory erasure tests 0.413
And I find very few patterns in the guest's memory 4.053 
Pattern coverage: 0.000% (0 MiB out of 915 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.542
Then patterns cover at least 99% of the test FS size in the guest's memory 3.274 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.393
Then I find very few patterns in the guest's memory 3.952 
Pattern coverage: 0.000% (0 MiB out of 915 MiB reference memory)
After features/support/hooks.rb:291 1.053
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
39.686
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.071
And I prepare Tails for memory erasure tests 0.417
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.787
Then I find very few patterns in the guest's memory 3.710 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.444
Then patterns cover at least 86% of the test FS size in the guest's memory 3.799 
Pattern coverage: 94.698% (120 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.861
Then I find very few patterns in the guest's memory 4.176 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
# read cache
When I mount the USB drive again 0.193
And I read the content of the test FS 0.528
Then patterns cover at least 99% of the test FS size in the guest's memory 3.518 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.644
Then I find very few patterns in the guest's memory 4.532 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:291 2.606
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
1:3.913
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.082
And I prepare Tails for memory erasure tests 0.450
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.952
Then I find very few patterns in the guest's memory 3.763 
Pattern coverage: 0.000% (0 MiB out of 911 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.509
Then patterns cover at least 99% of the test FS size in the guest's memory 3.175 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.635
Then I find very few patterns in the guest's memory 3.560 
Pattern coverage: 0.000% (0 MiB out of 911 MiB reference memory)
# read cache
When I mount the USB drive again 3.595
And I read the content of the test FS 1.334
Then patterns cover at least 99% of the test FS size in the guest's memory 3.451 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.444
Then I find very few patterns in the guest's memory 3.958 
Pattern coverage: 0.000% (0 MiB out of 911 MiB reference memory)
After features/support/hooks.rb:291 0.810
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
48.540
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.093
And I prepare Tails for memory erasure tests 0.426
When I fill a 128 MiB file with a known pattern on the root filesystem 13.614
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.825
Then patterns cover at least 128 MiB in the guest's memory 2.708 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
And I wait 20 seconds 20.013 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.846 
Pattern coverage: 0.000% (0 MiB out of 911 MiB reference memory)
After features/support/hooks.rb:291 3.515
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
6:50.424
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 6:6.826
And I prepare Tails for memory erasure tests 0.471
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.779
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 2.313 
Pattern coverage: 0.000% (0 MiB out of 956 MiB reference memory)
After features/support/hooks.rb:291 3.642
After features/support/hooks.rb:75 0.011