Project Number Date
test_Tails_ISO_devel 3863 11 Jun 2025, 13:36

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 12:46.568 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
25.691
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 8.270
And I prepare Tails for memory erasure tests 0.467
When I start a process allocating 128 MiB of memory with a known pattern 2.337
Then patterns cover at least 128 MiB in the guest's memory 4.849 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.880
Then I find very few patterns in the guest's memory after 5 seconds 8.885 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:330 1.505
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
28.044
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.005
Given I have started Tails from DVD without network and logged in 8.799
And I prepare Tails for memory erasure tests 0.528
And I find very few patterns in the guest's memory 3.656 
Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 3.371
Then patterns cover at least 99% of the test FS size in the guest's memory 4.197 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.698
Then I find very few patterns in the guest's memory after 3 seconds 6.792 
Pattern coverage: 0.000% (0 MiB out of 912 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
58.589
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 8.546
And I prepare Tails for memory erasure tests 0.455
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.343
Then I find very few patterns in the guest's memory 4.043 
Pattern coverage: 0.000% (0 MiB out of 913 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.546
Then patterns cover at least 75% of the test FS size in the guest's memory 4.361 
Pattern coverage: 89.270% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.047
Then I find very few patterns in the guest's memory after 3 seconds 7.266 
Pattern coverage: 0.000% (0 MiB out of 913 MiB reference memory)
# read cache
When I mount the USB drive again 0.284
And I read the content of the test FS 4.515
Then patterns cover at least 99% of the test FS size in the guest's memory 4.222 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.926
Then I find very few patterns in the guest's memory after 3 seconds 9.027 
Pattern coverage: 0.000% (0 MiB out of 913 MiB reference memory)
After features/support/hooks.rb:330 1.385
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:23.036
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 8.623
And I prepare Tails for memory erasure tests 0.471
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.373
Then I find very few patterns in the guest's memory 4.415 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.311
Then patterns cover at least 99% of the test FS size in the guest's memory 3.674 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.846
Then I find very few patterns in the guest's memory after 3 seconds 6.129 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
# read cache
When I mount the USB drive again 4.440
And I read the content of the test FS 2.034
Then patterns cover at least 99% of the test FS size in the guest's memory 3.723 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.944
Then I find very few patterns in the guest's memory after 3 seconds 6.046 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:330 1.102
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.010
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 8.633
And I prepare Tails for memory erasure tests 0.471
When I fill a 128 MiB file with a known pattern on the root filesystem 15.632
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.427
Then patterns cover at least 128 MiB in the guest's memory 3.842 
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 20.989 
Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)
After features/support/hooks.rb:330 3.763
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:39.196
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 7:50.679
And I prepare Tails for memory erasure tests 0.498
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.887
When I trigger shutdown 0.022
Then I find very few patterns in the guest's memory after 20 seconds 22.107 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:330 3.597
After features/support/hooks.rb:100 0.012