Project Number Date
test_Tails_ISO_stable 5520 18 Mar 2025, 12:58

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 11:41.515 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
26.653
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 8.319
And I prepare Tails for memory erasure tests 0.510
When I start a process allocating 128 MiB of memory with a known pattern 5.046
Then patterns cover at least 128 MiB in the guest's memory 3.244 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.478
Then I find very few patterns in the guest's memory after 5 seconds 8.054 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:330 0.867
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.316
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 8.150
And I prepare Tails for memory erasure tests 0.453
And I find very few patterns in the guest's memory 3.558 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.809
Then patterns cover at least 99% of the test FS size in the guest's memory 3.913 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.774
Then I find very few patterns in the guest's memory after 3 seconds 6.656 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
After features/support/hooks.rb:330 0.624
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:3.468
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 8.448
And I prepare Tails for memory erasure tests 0.485
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.744
Then I find very few patterns in the guest's memory 4.644 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.039
Then patterns cover at least 75% of the test FS size in the guest's memory 3.801 
Pattern coverage: 88.618% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 8.423
Then I find very few patterns in the guest's memory after 3 seconds 7.303 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
# read cache
When I mount the USB drive again 0.251
And I read the content of the test FS 4.985
Then patterns cover at least 99% of the test FS size in the guest's memory 4.125 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.728
Then I find very few patterns in the guest's memory after 3 seconds 6.487 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:330 0.891
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:26.601
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 8.235
And I prepare Tails for memory erasure tests 0.424
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 46.051
Then I find very few patterns in the guest's memory 2.776 
Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.680
Then patterns cover at least 99% of the test FS size in the guest's memory 3.267 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.443
Then I find very few patterns in the guest's memory after 3 seconds 5.653 
Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)
# read cache
When I mount the USB drive again 6.157
And I read the content of the test FS 0.485
Then patterns cover at least 99% of the test FS size in the guest's memory 3.641 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.753
Then I find very few patterns in the guest's memory after 3 seconds 6.028 
Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)
After features/support/hooks.rb:330 1.780
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.228
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 8.299
And I prepare Tails for memory erasure tests 0.436
When I fill a 128 MiB file with a known pattern on the root filesystem 18.976
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.467
Then patterns cover at least 128 MiB in the guest's memory 3.156 
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 20.874 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:330 3.544
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:24.247
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 6:34.151
And I prepare Tails for memory erasure tests 0.656
When I fill a 128 MiB file with a known pattern on the persistent filesystem 28.323
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.104 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:330 3.525
After features/support/hooks.rb:100 0.012