Project Number Date
test_Tails_ISO_stable 5565 10 Apr 2025, 14:10

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 51 0 0 0 0 51 6 0 6 11:8.668 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
24.799
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.379
And I prepare Tails for memory erasure tests 0.438
When I start a process allocating 128 MiB of memory with a known pattern 2.851
Then patterns cover at least 128 MiB in the guest's memory 3.760 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.029
Then I find very few patterns in the guest's memory after 5 seconds 8.339 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:330 0.698
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.515
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.150
And I prepare Tails for memory erasure tests 0.530
And I find very few patterns in the guest's memory 3.920 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.947
Then patterns cover at least 99% of the test FS size in the guest's memory 3.651 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.146
Then I find very few patterns in the guest's memory after 3 seconds 6.167 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:330 0.739
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
46.195
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.419
And I prepare Tails for memory erasure tests 0.431
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.965
Then I find very few patterns in the guest's memory 3.354 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.718
Then patterns cover at least 75% of the test FS size in the guest's memory 3.284 
Pattern coverage: 86.117% (109 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.106
Then I find very few patterns in the guest's memory after 3 seconds 6.080 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
# read cache
When I mount the USB drive again 0.256
And I read the content of the test FS 0.568
Then patterns cover at least 99% of the test FS size in the guest's memory 3.394 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.407
Then I find very few patterns in the guest's memory after 3 seconds 6.207 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:330 0.739
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:14.515
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.511
And I prepare Tails for memory erasure tests 0.572
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.880
Then I find very few patterns in the guest's memory 3.007 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.913
Then patterns cover at least 99% of the test FS size in the guest's memory 3.039 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.226
Then I find very few patterns in the guest's memory after 3 seconds 5.723 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# read cache
When I mount the USB drive again 4.622
And I read the content of the test FS 0.776
Then patterns cover at least 99% of the test FS size in the guest's memory 3.021 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.483
Then I find very few patterns in the guest's memory after 3 seconds 5.734 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:330 0.803
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.663
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.065
And I prepare Tails for memory erasure tests 0.435
When I fill a 128 MiB file with a known pattern on the root filesystem 15.910
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.612
Then patterns cover at least 128 MiB in the guest's memory 2.831 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.795 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:330 3.542
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:24.978
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:41.077
And I prepare Tails for memory erasure tests 0.391
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.244
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.252 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:330 3.483
After features/support/hooks.rb:100 0.010