Project Number Date
test_Tails_ISO_stable 4659 09 Feb 2024, 18:31

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 13:59.707 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
20.677
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.451
And I prepare Tails for memory erasure tests 0.685
When I start a process allocating 128 MiB of memory with a known pattern 2.322
Then patterns cover at least 128 MiB in the guest's memory 4.947 
Pattern coverage: 100.100% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.482
Then I find very few patterns in the guest's memory 3.787 
Pattern coverage: 0.000% (0 MiB out of 1212 MiB reference memory)
After features/support/hooks.rb:291 0.710
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
1:0.204
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.166
And I prepare Tails for memory erasure tests 0.653
And I find very few patterns in the guest's memory 3.731 
Pattern coverage: 0.000% (0 MiB out of 1202 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 40.422
Then patterns cover at least 99% of the test FS size in the guest's memory 3.106 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.384
Then I find very few patterns in the guest's memory 3.739 
Pattern coverage: 0.000% (0 MiB out of 1202 MiB reference memory)
After features/support/hooks.rb:291 0.800
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
2:55.212
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 7.896
And I prepare Tails for memory erasure tests 0.491
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.842
Then I find very few patterns in the guest's memory 3.477 
Pattern coverage: 0.000% (0 MiB out of 1193 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2:18.340
Then patterns cover at least 86% of the test FS size in the guest's memory 3.739 
Pattern coverage: 97.058% (120 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.438
Then I find very few patterns in the guest's memory 4.456 
Pattern coverage: 0.000% (0 MiB out of 1193 MiB reference memory)
# read cache
When I mount the USB drive again 0.232
And I read the content of the test FS 0.581
Then patterns cover at least 99% of the test FS size in the guest's memory 4.080 
Pattern coverage: 102.400% (127 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.350
Then I find very few patterns in the guest's memory 4.284 
Pattern coverage: 0.000% (0 MiB out of 1193 MiB reference memory)
After features/support/hooks.rb:291 0.844
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
2:38.908
Before features/support/hooks.rb:245 0.004
Given I have started Tails from DVD without network and logged in 7.930
And I prepare Tails for memory erasure tests 0.454
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 23.187
Then I find very few patterns in the guest's memory 5.035 
Pattern coverage: 0.000% (0 MiB out of 1187 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1:44.968
Then patterns cover at least 99% of the test FS size in the guest's memory 2.870 
Pattern coverage: 108.660% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.656
Then I find very few patterns in the guest's memory 3.322 
Pattern coverage: 0.000% (0 MiB out of 1187 MiB reference memory)
# read cache
When I mount the USB drive again 3.472
And I read the content of the test FS 0.452
Then patterns cover at least 99% of the test FS size in the guest's memory 2.560 
Pattern coverage: 108.663% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.526
Then I find very few patterns in the guest's memory 3.470 
Pattern coverage: 0.000% (0 MiB out of 1187 MiB reference memory)
After features/support/hooks.rb:291 0.742
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
52.037
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.854
And I prepare Tails for memory erasure tests 0.482
When I fill a 128 MiB file with a known pattern on the root filesystem 15.628
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.524
Then patterns cover at least 128 MiB in the guest's memory 3.039 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.570
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.918 
Pattern coverage: 0.000% (0 MiB out of 1207 MiB reference memory)
After features/support/hooks.rb:291 3.461
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
6:12.667
Before features/support/hooks.rb:245 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 5:29.879
And I prepare Tails for memory erasure tests 0.605
When I fill a 128 MiB file with a known pattern on the persistent filesystem 19.683
When I trigger shutdown 0.305
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.173 
Pattern coverage: 0.000% (0 MiB out of 1188 MiB reference memory)
After features/support/hooks.rb:291 3.487
After features/support/hooks.rb:75 0.015