Project Number Date
test_Tails_ISO_tca-remove-cruft 1 08 May 2025, 14:07

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 11:10.103 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
25.150
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 8.088
And I prepare Tails for memory erasure tests 0.427
When I start a process allocating 128 MiB of memory with a known pattern 3.336
Then patterns cover at least 128 MiB in the guest's memory 3.735 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.022
Then I find very few patterns in the guest's memory after 5 seconds 8.539 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:330 0.771
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.501
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 8.234
And I prepare Tails for memory erasure tests 0.500
And I find very few patterns in the guest's memory 3.229 
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 2.146
Then patterns cover at least 99% of the test FS size in the guest's memory 3.604 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.471
Then I find very few patterns in the guest's memory after 3 seconds 6.314 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:330 0.712
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
47.345
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 8.163
And I prepare Tails for memory erasure tests 0.417
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.104
Then I find very few patterns in the guest's memory 3.567 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.603
Then patterns cover at least 75% of the test FS size in the guest's memory 3.740 
Pattern coverage: 92.087% (117 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.194
Then I find very few patterns in the guest's memory after 3 seconds 6.350 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
# read cache
When I mount the USB drive again 0.209
And I read the content of the test FS 0.516
Then patterns cover at least 99% of the test FS size in the guest's memory 3.606 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.598
Then I find very few patterns in the guest's memory after 3 seconds 6.274 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:330 0.922
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:15.077
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 8.342
And I prepare Tails for memory erasure tests 0.506
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.233
Then I find very few patterns in the guest's memory 3.071 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.780
Then patterns cover at least 99% of the test FS size in the guest's memory 3.177 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.769
Then I find very few patterns in the guest's memory after 3 seconds 5.910 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# read cache
When I mount the USB drive again 4.683
And I read the content of the test FS 0.588
Then patterns cover at least 99% of the test FS size in the guest's memory 3.183 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.499
Then I find very few patterns in the guest's memory after 3 seconds 6.330 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:330 0.822
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.840
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 8.509
And I prepare Tails for memory erasure tests 0.457
When I fill a 128 MiB file with a known pattern on the root filesystem 14.811
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 4.201
Then patterns cover at least 128 MiB in the guest's memory 2.938 
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 20.909 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:330 3.508
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:26.187
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:40.883
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 23.556
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 21.247 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:330 3.489
After features/support/hooks.rb:100 0.013