Project Number Date
test_Tails_ISO_stable 5506 10 Mar 2025, 18:51

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 11:57.774 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
26.266
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 8.417
And I prepare Tails for memory erasure tests 0.443
When I start a process allocating 128 MiB of memory with a known pattern 3.419
Then patterns cover at least 128 MiB in the guest's memory 3.911 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.217
Then I find very few patterns in the guest's memory after 5 seconds 8.856 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:330 0.821
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.078
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 8.148
And I prepare Tails for memory erasure tests 0.413
And I find very few patterns in the guest's memory 3.620 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.321
Then patterns cover at least 99% of the test FS size in the guest's memory 3.560 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.764
Then I find very few patterns in the guest's memory after 3 seconds 6.248 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:330 1.031
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.934
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 8.203
And I prepare Tails for memory erasure tests 0.463
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.078
Then I find very few patterns in the guest's memory 3.586 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.360
Then patterns cover at least 75% of the test FS size in the guest's memory 4.433 
Pattern coverage: 87.666% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.804
Then I find very few patterns in the guest's memory after 3 seconds 6.650 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# read cache
When I mount the USB drive again 0.304
And I read the content of the test FS 1.062
Then patterns cover at least 99% of the test FS size in the guest's memory 4.058 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.580
Then I find very few patterns in the guest's memory after 3 seconds 7.346 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:330 0.999
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:24.437
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 8.138
And I prepare Tails for memory erasure tests 0.402
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 40.614
Then I find very few patterns in the guest's memory 2.909 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.827
Then patterns cover at least 99% of the test FS size in the guest's memory 3.403 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.141
Then I find very few patterns in the guest's memory after 3 seconds 6.387 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
# read cache
When I mount the USB drive again 5.363
And I read the content of the test FS 0.431
Then patterns cover at least 99% of the test FS size in the guest's memory 3.572 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 4.064
Then I find very few patterns in the guest's memory after 3 seconds 6.181 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:330 2.233
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
50.709
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.009
Given I have started Tails from DVD without network and logged in 8.215
And I prepare Tails for memory erasure tests 0.514
When I fill a 128 MiB file with a known pattern on the root filesystem 16.615
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.120
Then patterns cover at least 128 MiB in the guest's memory 2.438 
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 20.791 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
After features/support/hooks.rb:330 3.497
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:59.348
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 7:14.047
And I prepare Tails for memory erasure tests 0.704
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.325
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.258 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:330 3.510
After features/support/hooks.rb:100 0.010