Project Number Date
test_Tails_ISO_stable 5646 13 May 2025, 22:42

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 12:29.344 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
26.105
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 8.517
And I prepare Tails for memory erasure tests 0.469
When I start a process allocating 128 MiB of memory with a known pattern 2.535
Then patterns cover at least 128 MiB in the guest's memory 4.441 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.171
Then I find very few patterns in the guest's memory after 5 seconds 8.968 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:330 0.984
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
28.345
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 8.842
And I prepare Tails for memory erasure tests 0.466
And I find very few patterns in the guest's memory 3.992 
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 3.036
Then patterns cover at least 99% of the test FS size in the guest's memory 4.037 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.805
Then I find very few patterns in the guest's memory after 3 seconds 7.164 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:330 0.932
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.914
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 9.283
And I prepare Tails for memory erasure tests 0.515
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.679
Then I find very few patterns in the guest's memory 3.870 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.888
Then patterns cover at least 75% of the test FS size in the guest's memory 4.311 
Pattern coverage: 89.696% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.221
Then I find very few patterns in the guest's memory after 3 seconds 6.608 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# read cache
When I mount the USB drive again 0.239
And I read the content of the test FS 4.944
Then patterns cover at least 99% of the test FS size in the guest's memory 4.307 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.534
Then I find very few patterns in the guest's memory after 3 seconds 6.508 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:330 1.026
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:19.345
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 0.407
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.995
Then I find very few patterns in the guest's memory 2.996 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.398
Then patterns cover at least 99% of the test FS size in the guest's memory 3.569 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.955
Then I find very few patterns in the guest's memory after 3 seconds 6.335 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# read cache
When I mount the USB drive again 5.298
And I read the content of the test FS 1.605
Then patterns cover at least 99% of the test FS size in the guest's memory 3.755 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.686
Then I find very few patterns in the guest's memory after 3 seconds 6.200 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:330 1.610
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.263
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails from DVD without network and logged in 8.285
And I prepare Tails for memory erasure tests 0.477
When I fill a 128 MiB file with a known pattern on the root filesystem 15.485
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.929
Then patterns cover at least 128 MiB in the guest's memory 3.104 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.085
Then I find very few patterns in the guest's memory after 20 seconds 20.895 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:330 3.702
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:29.370
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:45.356
And I prepare Tails for memory erasure tests 0.416
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.227
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.356 
Pattern coverage: 0.000% (0 MiB out of 921 MiB reference memory)
After features/support/hooks.rb:330 3.527
After features/support/hooks.rb:100 0.013