Project Number Date
test_Tails_ISO_stable 5526 22 Mar 2025, 12:57

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 11:12.924 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
24.053
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 8.068
And I prepare Tails for memory erasure tests 0.559
When I start a process allocating 128 MiB of memory with a known pattern 2.784
Then patterns cover at least 128 MiB in the guest's memory 3.296 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.251
Then I find very few patterns in the guest's memory after 5 seconds 8.093 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:330 0.826
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.477
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 8.208
And I prepare Tails for memory erasure tests 0.542
And I find very few patterns in the guest's memory 2.984 
Pattern coverage: 0.000% (0 MiB out of 911 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.751
Then patterns cover at least 99% of the test FS size in the guest's memory 3.811 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.572
Then I find very few patterns in the guest's memory after 3 seconds 6.605 
Pattern coverage: 0.000% (0 MiB out of 911 MiB reference memory)
After features/support/hooks.rb:330 0.760
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
46.394
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 8.284
And I prepare Tails for memory erasure tests 0.613
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.063
Then I find very few patterns in the guest's memory 2.881 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.612
Then patterns cover at least 75% of the test FS size in the guest's memory 3.305 
Pattern coverage: 89.386% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.184
Then I find very few patterns in the guest's memory after 3 seconds 5.721 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# read cache
When I mount the USB drive again 0.231
And I read the content of the test FS 0.572
Then patterns cover at least 99% of the test FS size in the guest's memory 3.886 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.557
Then I find very few patterns in the guest's memory after 3 seconds 6.477 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:330 0.833
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:13.510
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 8.430
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" 34.998
Then I find very few patterns in the guest's memory 2.798 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.058
Then patterns cover at least 99% of the test FS size in the guest's memory 2.881 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.756
Then I find very few patterns in the guest's memory after 3 seconds 5.692 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# read cache
When I mount the USB drive again 4.234
And I read the content of the test FS 0.474
Then patterns cover at least 99% of the test FS size in the guest's memory 2.756 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.978
Then I find very few patterns in the guest's memory after 3 seconds 5.977 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:330 1.184
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.627
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 9.342
And I prepare Tails for memory erasure tests 0.451
When I fill a 128 MiB file with a known pattern on the root filesystem 14.117
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.993
Then patterns cover at least 128 MiB in the guest's memory 2.786 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 20.922 
Pattern coverage: 0.000% (0 MiB out of 895 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
7:33.860
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:48.285
And I prepare Tails for memory erasure tests 0.440
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.815
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.306 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:330 3.530
After features/support/hooks.rb:100 0.012