Project Number Date
test_Tails_ISO_stable 5264 14 Nov 2024, 12:49

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 11:58.124 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
23.853
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.718
And I prepare Tails for memory erasure tests 0.740
When I start a process allocating 128 MiB of memory with a known pattern 1.367
Then patterns cover at least 128 MiB in the guest's memory 3.859 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 3.313
Then I find very few patterns in the guest's memory after 3 seconds 5.854 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:326 2.498
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
23.058
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.379
And I prepare Tails for memory erasure tests 0.531
And I find very few patterns in the guest's memory 3.044 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.453
Then patterns cover at least 99% of the test FS size in the guest's memory 3.312 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.512
Then I find very few patterns in the guest's memory after 3 seconds 5.824 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 0.963
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
47.725
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.488
And I prepare Tails for memory erasure tests 0.647
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.170
Then I find very few patterns in the guest's memory 2.824 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.314
Then patterns cover at least 75% of the test FS size in the guest's memory 3.287 
Pattern coverage: 87.292% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.235
Then I find very few patterns in the guest's memory after 3 seconds 5.699 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# read cache
When I mount the USB drive again 0.764
And I read the content of the test FS 0.463
Then patterns cover at least 99% of the test FS size in the guest's memory 3.229 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.256
Then I find very few patterns in the guest's memory after 3 seconds 6.342 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 0.851
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:18.156
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.907
And I prepare Tails for memory erasure tests 0.723
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.324
Then I find very few patterns in the guest's memory 2.569 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.116
Then patterns cover at least 99% of the test FS size in the guest's memory 2.743 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.733
Then I find very few patterns in the guest's memory after 3 seconds 5.544 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# read cache
When I mount the USB drive again 5.695
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 3.151 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.737
Then I find very few patterns in the guest's memory after 3 seconds 6.302 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:326 0.804
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.464
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.647
And I prepare Tails for memory erasure tests 0.697
When I fill a 128 MiB file with a known pattern on the root filesystem 17.031
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.850
Then patterns cover at least 128 MiB in the guest's memory 2.424 
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 20.797 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:326 3.552
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:13.866
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 7:26.984
And I prepare Tails for memory erasure tests 0.394
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.901
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 22.574 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:326 3.745
After features/support/hooks.rb:100 0.011