Project Number Date
test_Tails_ISO_stable 5635 08 May 2025, 13:17

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 12:34.271 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
26.957
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 8.640
And I prepare Tails for memory erasure tests 0.528
When I start a process allocating 128 MiB of memory with a known pattern 2.626
Then patterns cover at least 128 MiB in the guest's memory 4.625 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.020
Then I find very few patterns in the guest's memory after 5 seconds 9.516 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:330 0.772
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.689
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 9.026
And I prepare Tails for memory erasure tests 0.464
And I find very few patterns in the guest's memory 3.748 
Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.248
Then patterns cover at least 99% of the test FS size in the guest's memory 4.492 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.965
Then I find very few patterns in the guest's memory after 3 seconds 6.741 
Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)
After features/support/hooks.rb:330 0.841
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.458
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 8.467
And I prepare Tails for memory erasure tests 0.462
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.120
Then I find very few patterns in the guest's memory 3.839 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.717
Then patterns cover at least 75% of the test FS size in the guest's memory 4.377 
Pattern coverage: 90.678% (115 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.888
Then I find very few patterns in the guest's memory after 3 seconds 6.767 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
# read cache
When I mount the USB drive again 0.312
And I read the content of the test FS 1.030
Then patterns cover at least 99% of the test FS size in the guest's memory 3.984 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.489
Then I find very few patterns in the guest's memory after 3 seconds 7.002 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
After features/support/hooks.rb:330 1.572
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:21.825
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 8.448
And I prepare Tails for memory erasure tests 0.518
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.151
Then I find very few patterns in the guest's memory 3.510 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.008
Then patterns cover at least 99% of the test FS size in the guest's memory 3.678 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.042
Then I find very few patterns in the guest's memory after 3 seconds 6.308 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# read cache
When I mount the USB drive again 4.779
And I read the content of the test FS 0.425
Then patterns cover at least 99% of the test FS size in the guest's memory 5.108 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.590
Then I find very few patterns in the guest's memory after 3 seconds 6.255 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
After features/support/hooks.rb:330 1.678
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.822
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 8.375
And I prepare Tails for memory erasure tests 0.474
When I fill a 128 MiB file with a known pattern on the root filesystem 16.434
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.135
Then patterns cover at least 128 MiB in the guest's memory 3.412 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.022
Then I find very few patterns in the guest's memory after 20 seconds 20.967 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
After features/support/hooks.rb:330 3.542
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:33.518
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 7:46.996
And I prepare Tails for memory erasure tests 0.480
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.612
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.416 
Pattern coverage: 0.000% (0 MiB out of 865 MiB reference memory)
After features/support/hooks.rb:330 3.515
After features/support/hooks.rb:100 0.018