Project Number Date
test_Tails_ISO_stable 5554 04 Apr 2025, 13:16

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 11:33.158 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
24.068
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 8.383
And I prepare Tails for memory erasure tests 0.492
When I start a process allocating 128 MiB of memory with a known pattern 2.755
Then patterns cover at least 128 MiB in the guest's memory 4.231 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.304
Then I find very few patterns in the guest's memory after 5 seconds 7.901 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
After features/support/hooks.rb:330 0.736
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.652
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 8.501
And I prepare Tails for memory erasure tests 0.556
And I find very few patterns in the guest's memory 3.098 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.747
Then patterns cover at least 99% of the test FS size in the guest's memory 3.541 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.586
Then I find very few patterns in the guest's memory after 3 seconds 6.620 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:330 0.706
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.457
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 9.109
And I prepare Tails for memory erasure tests 0.773
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.302
Then I find very few patterns in the guest's memory 3.955 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.662
Then patterns cover at least 75% of the test FS size in the guest's memory 4.229 
Pattern coverage: 88.269% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.939
Then I find very few patterns in the guest's memory after 3 seconds 6.634 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# read cache
When I mount the USB drive again 0.231
And I read the content of the test FS 1.416
Then patterns cover at least 99% of the test FS size in the guest's memory 4.120 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.338
Then I find very few patterns in the guest's memory after 3 seconds 6.745 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:330 1.256
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:21.081
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 8.540
And I prepare Tails for memory erasure tests 0.466
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 41.193
Then I find very few patterns in the guest's memory 3.999 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.801
Then patterns cover at least 99% of the test FS size in the guest's memory 3.654 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.660
Then I find very few patterns in the guest's memory after 3 seconds 5.726 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# read cache
When I mount the USB drive again 4.933
And I read the content of the test FS 0.531
Then patterns cover at least 99% of the test FS size in the guest's memory 3.105 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.561
Then I find very few patterns in the guest's memory after 3 seconds 5.905 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:330 1.220
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.353
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 8.421
And I prepare Tails for memory erasure tests 0.599
When I fill a 128 MiB file with a known pattern on the root filesystem 16.039
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.881
Then patterns cover at least 128 MiB in the guest's memory 2.675 
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 20.723 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:330 3.510
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:42.544
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 6:59.061
And I prepare Tails for memory erasure tests 0.484
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.609
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.372 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:330 3.530
After features/support/hooks.rb:100 0.013