Project Number Date
test_Tails_ISO_devel 3378 07 May 2024, 12:36

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 12:46.803 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
26.122
Before features/support/hooks.rb:259 0.003
Given I have started Tails from DVD without network and logged in 8.998
And I prepare Tails for memory erasure tests 0.459
When I start a process allocating 128 MiB of memory with a known pattern 3.311
Then patterns cover at least 128 MiB in the guest's memory 3.944 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 5.366
Then I find very few patterns in the guest's memory 4.040 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:305 0.998
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
25.826
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 9.240
And I prepare Tails for memory erasure tests 0.552
And I find very few patterns in the guest's memory 4.175 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.762
Then patterns cover at least 99% of the test FS size in the guest's memory 4.500 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.800
Then I find very few patterns in the guest's memory 4.793 
Pattern coverage: 0.000% (0 MiB out of 873 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
58.256
Before features/support/hooks.rb:259 0.003
Given I have started Tails from DVD without network and logged in 8.186
And I prepare Tails for memory erasure tests 0.433
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.090
Then I find very few patterns in the guest's memory 4.906 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 8.127
Then patterns cover at least 86% of the test FS size in the guest's memory 4.185 
Pattern coverage: 89.448% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 4.703
Then I find very few patterns in the guest's memory 4.874 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
# read cache
When I mount the USB drive again 0.579
And I read the content of the test FS 1.983
Then patterns cover at least 99% of the test FS size in the guest's memory 4.191 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.095
Then I find very few patterns in the guest's memory 3.898 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
After features/support/hooks.rb:305 0.870
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
1:20.250
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 8.167
And I prepare Tails for memory erasure tests 0.429
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 40.087
Then I find very few patterns in the guest's memory 3.430 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.019
Then patterns cover at least 99% of the test FS size in the guest's memory 3.111 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.565
Then I find very few patterns in the guest's memory 3.663 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# read cache
When I mount the USB drive again 7.804
And I read the content of the test FS 1.474
Then patterns cover at least 99% of the test FS size in the guest's memory 3.672 
Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.121
Then I find very few patterns in the guest's memory 3.703 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:305 1.209
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
55.393
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 9.165
And I prepare Tails for memory erasure tests 0.546
When I fill a 128 MiB file with a known pattern on the root filesystem 18.105
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.342
Then patterns cover at least 128 MiB in the guest's memory 3.246 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.016
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.950 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:305 3.558
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
8:40.954
Before features/support/hooks.rb:259 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:54.142
And I prepare Tails for memory erasure tests 0.559
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.780
When I trigger shutdown 0.016
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.435 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:305 3.544
After features/support/hooks.rb:89 0.013