Project Number Date
test_Tails_ISO_stable 5099 13 Sep 2024, 13:40

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 12:20.807 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
23.208
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.557
And I prepare Tails for memory erasure tests 0.469
When I start a process allocating 128 MiB of memory with a known pattern 2.438
Then patterns cover at least 128 MiB in the guest's memory 4.566 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.337
Then I find very few patterns in the guest's memory after 3 seconds 6.838 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:326 0.828
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
29.385
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.895
And I prepare Tails for memory erasure tests 0.483
And I find very few patterns in the guest's memory 3.936 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 4.090
Then patterns cover at least 99% of the test FS size in the guest's memory 3.765 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.471
Then I find very few patterns in the guest's memory after 3 seconds 6.743 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:326 0.931
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:9.272
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 9.577
And I prepare Tails for memory erasure tests 0.562
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.909
Then I find very few patterns in the guest's memory 10.126 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.802
Then patterns cover at least 75% of the test FS size in the guest's memory 6.923 
Pattern coverage: 88.165% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 3.611
Then I find very few patterns in the guest's memory after 3 seconds 7.277 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# read cache
When I mount the USB drive again 0.278
And I read the content of the test FS 0.743
Then patterns cover at least 99% of the test FS size in the guest's memory 5.363 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.686
Then I find very few patterns in the guest's memory after 3 seconds 7.408 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:326 1.439
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:24.920
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.363
And I prepare Tails for memory erasure tests 0.468
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.835
Then I find very few patterns in the guest's memory 3.169 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.119
Then patterns cover at least 99% of the test FS size in the guest's memory 3.740 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.164
Then I find very few patterns in the guest's memory after 3 seconds 6.358 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
# read cache
When I mount the USB drive again 7.918
And I read the content of the test FS 0.604
Then patterns cover at least 99% of the test FS size in the guest's memory 3.705 
Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.209
Then I find very few patterns in the guest's memory after 3 seconds 6.261 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:326 0.917
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
53.218
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.351
And I prepare Tails for memory erasure tests 0.467
When I fill a 128 MiB file with a known pattern on the root filesystem 16.387
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.932
Then patterns cover at least 128 MiB in the guest's memory 4.095 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 20.965 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
After features/support/hooks.rb:326 3.531
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:0.801
Before features/support/hooks.rb:269 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:12.767
And I prepare Tails for memory erasure tests 0.483
When I fill a 128 MiB file with a known pattern on the persistent filesystem 26.205
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.331 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:326 3.615
After features/support/hooks.rb:100 0.013