Project Number Date
test_Tails_ISO_devel 3407 31 May 2024, 02:36

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 12:39.999 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
23.454
Before features/support/hooks.rb:265 0.003
Given I have started Tails from DVD without network and logged in 9.642
And I prepare Tails for memory erasure tests 1.459
When I start a process allocating 128 MiB of memory with a known pattern 2.359
Then patterns cover at least 128 MiB in the guest's memory 4.300 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.292
Then I find very few patterns in the guest's memory 4.399 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:311 1.272
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
29.147
Before features/support/hooks.rb:265 0.003
Given I have started Tails from DVD without network and logged in 8.762
And I prepare Tails for memory erasure tests 0.508
And I find very few patterns in the guest's memory 4.266 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.005
Then patterns cover at least 99% of the test FS size in the guest's memory 4.353 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 4.170
Then I find very few patterns in the guest's memory 5.079 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:311 1.430
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:5.309
Before features/support/hooks.rb:265 0.002
Given I have started Tails from DVD without network and logged in 9.696
And I prepare Tails for memory erasure tests 0.515
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.386
Then I find very few patterns in the guest's memory 6.069 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.547
Then patterns cover at least 86% of the test FS size in the guest's memory 7.075 
Pattern coverage: 91.716% (117 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.822
Then I find very few patterns in the guest's memory 7.922 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
# read cache
When I mount the USB drive again 0.332
And I read the content of the test FS 1.094
Then patterns cover at least 99% of the test FS size in the guest's memory 8.410 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.700
Then I find very few patterns in the guest's memory 5.735 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:311 0.931
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:17.483
Before features/support/hooks.rb:265 0.003
Given I have started Tails from DVD without network and logged in 8.722
And I prepare Tails for memory erasure tests 0.523
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.671
Then I find very few patterns in the guest's memory 3.954 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.883
Then patterns cover at least 99% of the test FS size in the guest's memory 2.924 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.145
Then I find very few patterns in the guest's memory 4.092 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# read cache
When I mount the USB drive again 5.292
And I read the content of the test FS 0.478
Then patterns cover at least 99% of the test FS size in the guest's memory 3.002 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.345
Then I find very few patterns in the guest's memory 3.444 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:311 0.813
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.082
Before features/support/hooks.rb:265 0.003
Given I have started Tails from DVD without network and logged in 8.350
And I prepare Tails for memory erasure tests 0.555
When I fill a 128 MiB file with a known pattern on the root filesystem 17.086
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.601
Then patterns cover at least 128 MiB in the guest's memory 3.352 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.022
And I wait 20 seconds 20.014 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.100 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:311 3.563
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:29.521
Before features/support/hooks.rb:265 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:39.125
And I prepare Tails for memory erasure tests 0.444
When I fill a 128 MiB file with a known pattern on the persistent filesystem 27.250
When I trigger shutdown 0.012
And I wait 20 seconds 20.015 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.672 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:311 3.594
After features/support/hooks.rb:100 0.017