Project Number Date
test_Tails_ISO_stable 5319 07 Dec 2024, 08:41

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 11:52.440 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
31.044
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.300
And I prepare Tails for memory erasure tests 0.554
When I start a process allocating 128 MiB of memory with a known pattern 3.952
Then patterns cover at least 128 MiB in the guest's memory 3.596 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 7.070
Then I find very few patterns in the guest's memory after 3 seconds 7.570 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:326 0.691
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.829
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.017
And I prepare Tails for memory erasure tests 0.408
And I find very few patterns in the guest's memory 2.904 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.036
Then patterns cover at least 99% of the test FS size in the guest's memory 3.155 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 2.069
Then I find very few patterns in the guest's memory after 3 seconds 6.237 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 0.711
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
57.606
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.139
And I prepare Tails for memory erasure tests 0.425
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.113
Then I find very few patterns in the guest's memory 3.646 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.645
Then patterns cover at least 75% of the test FS size in the guest's memory 4.193 
Pattern coverage: 87.173% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 4.847
Then I find very few patterns in the guest's memory after 3 seconds 6.347 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# read cache
When I mount the USB drive again 0.234
And I read the content of the test FS 0.583
Then patterns cover at least 99% of the test FS size in the guest's memory 4.197 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.635
Then I find very few patterns in the guest's memory after 3 seconds 10.595 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:326 1.806
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:15.553
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.135
And I prepare Tails for memory erasure tests 0.420
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.548
Then I find very few patterns in the guest's memory 2.956 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.922
Then patterns cover at least 99% of the test FS size in the guest's memory 2.985 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 2.865
Then I find very few patterns in the guest's memory after 3 seconds 5.529 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# read cache
When I mount the USB drive again 5.868
And I read the content of the test FS 0.509
Then patterns cover at least 99% of the test FS size in the guest's memory 2.831 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.599
Then I find very few patterns in the guest's memory after 3 seconds 5.378 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:326 1.135
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.880
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 7.985
And I prepare Tails for memory erasure tests 0.390
When I fill a 128 MiB file with a known pattern on the root filesystem 19.803
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.741
Then patterns cover at least 128 MiB in the guest's memory 2.976 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 20.966 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
After features/support/hooks.rb:326 3.587
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:49.526
Before features/support/hooks.rb:269 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:4.801
And I prepare Tails for memory erasure tests 0.739
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.815
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.157 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:326 3.558
After features/support/hooks.rb:100 0.010