Project Number Date
test_Tails_ISO_devel 3853 03 Jun 2025, 20:16

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 11:40.659 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
25.489
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 8.907
And I prepare Tails for memory erasure tests 0.450
When I start a process allocating 128 MiB of memory with a known pattern 2.358
Then patterns cover at least 128 MiB in the guest's memory 4.314 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.416
Then I find very few patterns in the guest's memory after 5 seconds 9.041 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:330 0.761
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.123
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 8.171
And I prepare Tails for memory erasure tests 0.450
And I find very few patterns in the guest's memory 3.816 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.470
Then patterns cover at least 99% of the test FS size in the guest's memory 4.178 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.377
Then I find very few patterns in the guest's memory after 3 seconds 6.657 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:330 0.757
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:6.484
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 8.261
And I prepare Tails for memory erasure tests 0.464
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.250
Then I find very few patterns in the guest's memory 4.227 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.517
Then patterns cover at least 75% of the test FS size in the guest's memory 5.767 
Pattern coverage: 86.769% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.993
Then I find very few patterns in the guest's memory after 3 seconds 12.363 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# read cache
When I mount the USB drive again 0.374
And I read the content of the test FS 0.559
Then patterns cover at least 99% of the test FS size in the guest's memory 8.316 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.380
Then I find very few patterns in the guest's memory after 3 seconds 12.006 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:330 1.307
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
1:18.232
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.008
Given I have started Tails from DVD without network and logged in 10.082
And I prepare Tails for memory erasure tests 0.540
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.640
Then I find very few patterns in the guest's memory 3.094 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.946
Then patterns cover at least 99% of the test FS size in the guest's memory 4.301 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.716
Then I find very few patterns in the guest's memory after 3 seconds 6.127 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# read cache
When I mount the USB drive again 4.858
And I read the content of the test FS 0.818
Then patterns cover at least 99% of the test FS size in the guest's memory 3.503 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.549
Then I find very few patterns in the guest's memory after 3 seconds 6.052 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:330 1.080
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.036
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 8.230
And I prepare Tails for memory erasure tests 0.443
When I fill a 128 MiB file with a known pattern on the root filesystem 16.425
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.987
Then patterns cover at least 128 MiB in the guest's memory 3.063 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 20.868 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:330 3.509
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:33.293
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 6:45.005
And I prepare Tails for memory erasure tests 0.926
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.943
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.405 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:330 3.526
After features/support/hooks.rb:100 0.010