Project Number Date
test_Tails_ISO_stable 4822 02 May 2024, 12:23

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 11:8.225 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
22.530
Before features/support/hooks.rb:259 0.003
Given I have started Tails from DVD without network and logged in 10.364
And I prepare Tails for memory erasure tests 0.462
When I start a process allocating 128 MiB of memory with a known pattern 1.256
Then patterns cover at least 128 MiB in the guest's memory 4.390 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.241
Then I find very few patterns in the guest's memory 4.815 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
After features/support/hooks.rb:305 0.828
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
25.980
Before features/support/hooks.rb:259 0.003
Given I have started Tails from DVD without network and logged in 8.491
And I prepare Tails for memory erasure tests 0.713
And I find very few patterns in the guest's memory 4.837 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.992
Then patterns cover at least 99% of the test FS size in the guest's memory 4.338 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.896
Then I find very few patterns in the guest's memory 4.708 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:305 0.805
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
50.627
Before features/support/hooks.rb:259 0.003
Given I have started Tails from DVD without network and logged in 8.195
And I prepare Tails for memory erasure tests 0.462
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.957
Then I find very few patterns in the guest's memory 4.358 
Pattern coverage: 0.000% (0 MiB out of 914 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.624
Then patterns cover at least 86% of the test FS size in the guest's memory 3.394 
Pattern coverage: 86.389% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 3.649
Then I find very few patterns in the guest's memory 3.869 
Pattern coverage: 0.000% (0 MiB out of 914 MiB reference memory)
# read cache
When I mount the USB drive again 1.360
And I read the content of the test FS 0.913
Then patterns cover at least 99% of the test FS size in the guest's memory 4.033 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.168
Then I find very few patterns in the guest's memory 4.638 
Pattern coverage: 0.000% (0 MiB out of 914 MiB reference memory)
After features/support/hooks.rb:305 0.732
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
1:18.661
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 8.440
And I prepare Tails for memory erasure tests 1.322
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.649
Then I find very few patterns in the guest's memory 3.704 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.564
Then patterns cover at least 99% of the test FS size in the guest's memory 3.491 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.982
Then I find very few patterns in the guest's memory 5.197 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# read cache
When I mount the USB drive again 7.000
And I read the content of the test FS 0.554
Then patterns cover at least 99% of the test FS size in the guest's memory 3.229 
Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.796
Then I find very few patterns in the guest's memory 3.727 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:305 0.768
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
51.346
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 8.541
And I prepare Tails for memory erasure tests 0.655
When I fill a 128 MiB file with a known pattern on the root filesystem 14.789
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.175
Then patterns cover at least 128 MiB in the guest's memory 3.269 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.015
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.879 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:305 3.514
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
7:19.079
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 6:31.141
And I prepare Tails for memory erasure tests 0.468
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.065
When I trigger shutdown 0.011
And I wait 20 seconds 20.005 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 3.387 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:305 3.610
After features/support/hooks.rb:89 0.011