Project Number Date
test_Tails_ISO_stable 5741 26 Jun 2025, 13:11

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 11:49.483 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
24.746
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 8.204
And I prepare Tails for memory erasure tests 0.669
When I start a process allocating 128 MiB of memory with a known pattern 2.427
Then patterns cover at least 128 MiB in the guest's memory 4.609 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.331
Then I find very few patterns in the guest's memory after 5 seconds 8.504 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:330 0.799
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.647
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 8.210
And I prepare Tails for memory erasure tests 0.612
And I find very few patterns in the guest's memory 4.293 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.815
Then patterns cover at least 99% of the test FS size in the guest's memory 3.654 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.759
Then I find very few patterns in the guest's memory after 3 seconds 7.302 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:330 0.885
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.335
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.007
Given I have started Tails from DVD without network and logged in 8.720
And I prepare Tails for memory erasure tests 0.624
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.469
Then I find very few patterns in the guest's memory 3.697 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.996
Then patterns cover at least 75% of the test FS size in the guest's memory 3.640 
Pattern coverage: 86.827% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.994
Then I find very few patterns in the guest's memory after 3 seconds 7.599 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# read cache
When I mount the USB drive again 0.274
And I read the content of the test FS 0.667
Then patterns cover at least 99% of the test FS size in the guest's memory 3.865 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.482
Then I find very few patterns in the guest's memory after 3 seconds 7.302 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:330 1.244
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:24.562
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 8.565
And I prepare Tails for memory erasure tests 0.703
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 42.904
Then I find very few patterns in the guest's memory 3.667 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.935
Then patterns cover at least 99% of the test FS size in the guest's memory 3.706 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.801
Then I find very few patterns in the guest's memory after 3 seconds 7.196 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# read cache
When I mount the USB drive again 4.336
And I read the content of the test FS 0.509
Then patterns cover at least 99% of the test FS size in the guest's memory 2.930 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.584
Then I find very few patterns in the guest's memory after 3 seconds 6.718 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:330 1.803
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.008
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.020
Given I have started Tails from DVD without network and logged in 8.821
And I prepare Tails for memory erasure tests 0.712
When I fill a 128 MiB file with a known pattern on the root filesystem 15.952
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.907
Then patterns cover at least 128 MiB in the guest's memory 2.816 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 20.785 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:330 3.545
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:51.181
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.030
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:4.667
And I prepare Tails for memory erasure tests 0.512
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.509
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.479 
Pattern coverage: 0.000% (0 MiB out of 914 MiB reference memory)
After features/support/hooks.rb:330 3.584
After features/support/hooks.rb:100 0.017