Project Number Date
test_Tails_ISO_stable 4803 21 Apr 2024, 12:18

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 10:51.172 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
22.108
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 8.775
And I prepare Tails for memory erasure tests 0.419
When I start a process allocating 128 MiB of memory with a known pattern 1.180
Then patterns cover at least 128 MiB in the guest's memory 5.219 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.334
Then I find very few patterns in the guest's memory 5.179 
Pattern coverage: 0.000% (0 MiB out of 865 MiB reference memory)
After features/support/hooks.rb:305 2.058
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
24.072
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 9.217
And I prepare Tails for memory erasure tests 0.691
And I find very few patterns in the guest's memory 3.706 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.924
Then patterns cover at least 99% of the test FS size in the guest's memory 3.402 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.537
Then I find very few patterns in the guest's memory 4.591 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
After features/support/hooks.rb:305 1.037
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
44.776
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 8.617
And I prepare Tails for memory erasure tests 0.521
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.107
Then I find very few patterns in the guest's memory 4.138 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.760
Then patterns cover at least 86% of the test FS size in the guest's memory 3.425 
Pattern coverage: 88.336% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.603
Then I find very few patterns in the guest's memory 3.896 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# read cache
When I mount the USB drive again 0.640
And I read the content of the test FS 0.674
Then patterns cover at least 99% of the test FS size in the guest's memory 4.060 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.551
Then I find very few patterns in the guest's memory 3.778 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:305 1.775
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
1:10.935
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 8.221
And I prepare Tails for memory erasure tests 0.444
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.765
Then I find very few patterns in the guest's memory 3.381 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.187
Then patterns cover at least 99% of the test FS size in the guest's memory 2.828 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.890
Then I find very few patterns in the guest's memory 3.337 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# read cache
When I mount the USB drive again 4.950
And I read the content of the test FS 0.523
Then patterns cover at least 99% of the test FS size in the guest's memory 2.731 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.570
Then I find very few patterns in the guest's memory 3.102 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:305 0.803
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
52.025
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 7.984
And I prepare Tails for memory erasure tests 0.534
When I fill a 128 MiB file with a known pattern on the root filesystem 17.497
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.687
Then patterns cover at least 128 MiB in the guest's memory 2.616 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.013
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.671 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:305 3.493
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
7:17.253
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 6:33.146
And I prepare Tails for memory erasure tests 0.350
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.606
When I trigger shutdown 0.013
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.116 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:305 3.509
After features/support/hooks.rb:89 0.011