Project Number Date
test_Tails_ISO_stable 5097 13 Sep 2024, 08:40

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 11:46.269 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
21.575
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.208
And I prepare Tails for memory erasure tests 0.399
When I start a process allocating 128 MiB of memory with a known pattern 1.235
Then patterns cover at least 128 MiB in the guest's memory 3.660 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 2.203
Then I find very few patterns in the guest's memory after 3 seconds 5.868 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:326 0.818
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.089
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.092
And I prepare Tails for memory erasure tests 0.390
And I find very few patterns in the guest's memory 2.875 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.885
Then patterns cover at least 99% of the test FS size in the guest's memory 3.357 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.876
Then I find very few patterns in the guest's memory after 3 seconds 5.612 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:326 0.750
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
45.887
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.201
And I prepare Tails for memory erasure tests 0.428
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.248
Then I find very few patterns in the guest's memory 3.104 
Pattern coverage: 0.000% (0 MiB out of 914 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.574
Then patterns cover at least 75% of the test FS size in the guest's memory 3.349 
Pattern coverage: 84.947% (108 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.512
Then I find very few patterns in the guest's memory after 3 seconds 6.047 
Pattern coverage: 0.000% (0 MiB out of 914 MiB reference memory)
# read cache
When I mount the USB drive again 0.851
And I read the content of the test FS 0.607
Then patterns cover at least 99% of the test FS size in the guest's memory 3.359 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.841
Then I find very few patterns in the guest's memory after 3 seconds 5.759 
Pattern coverage: 0.000% (0 MiB out of 914 MiB reference memory)
After features/support/hooks.rb:326 0.780
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:22.369
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.011
And I prepare Tails for memory erasure tests 0.412
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 40.124
Then I find very few patterns in the guest's memory 3.151 
Pattern coverage: 0.000% (0 MiB out of 915 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.962
Then patterns cover at least 99% of the test FS size in the guest's memory 3.453 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.975
Then I find very few patterns in the guest's memory after 3 seconds 6.072 
Pattern coverage: 0.000% (0 MiB out of 915 MiB reference memory)
# read cache
When I mount the USB drive again 7.280
And I read the content of the test FS 0.408
Then patterns cover at least 99% of the test FS size in the guest's memory 3.650 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.765
Then I find very few patterns in the guest's memory after 3 seconds 6.100 
Pattern coverage: 0.000% (0 MiB out of 915 MiB reference memory)
After features/support/hooks.rb:326 1.209
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
57.679
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 10.299
And I prepare Tails for memory erasure tests 0.444
When I fill a 128 MiB file with a known pattern on the root filesystem 21.364
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.909
Then patterns cover at least 128 MiB in the guest's memory 2.927 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.721 
Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)
After features/support/hooks.rb:326 3.490
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:54.669
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 7:12.195
And I prepare Tails for memory erasure tests 0.434
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.688
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.338 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:326 3.542
After features/support/hooks.rb:100 0.011