Project Number Date
test_Tails_ISO_stable 5098 13 Sep 2024, 12:56

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 12:8.915 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
25.042
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.380
And I prepare Tails for memory erasure tests 0.474
When I start a process allocating 128 MiB of memory with a known pattern 2.428
Then patterns cover at least 128 MiB in the guest's memory 4.511 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.620
Then I find very few patterns in the guest's memory after 3 seconds 7.626 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:326 1.624
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.564
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.934
And I prepare Tails for memory erasure tests 0.471
And I find very few patterns in the guest's memory 4.366 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.037
Then patterns cover at least 99% of the test FS size in the guest's memory 3.916 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.854
Then I find very few patterns in the guest's memory after 3 seconds 6.982 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:326 0.835
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
56.653
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.005
And I prepare Tails for memory erasure tests 0.464
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.456
Then I find very few patterns in the guest's memory 4.053 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.966
Then patterns cover at least 75% of the test FS size in the guest's memory 4.043 
Pattern coverage: 86.647% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.583
Then I find very few patterns in the guest's memory after 3 seconds 7.082 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# read cache
When I mount the USB drive again 0.515
And I read the content of the test FS 3.372
Then patterns cover at least 99% of the test FS size in the guest's memory 4.417 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.895
Then I find very few patterns in the guest's memory after 3 seconds 6.796 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:326 0.895
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:20.003
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.528
And I prepare Tails for memory erasure tests 0.546
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.236
Then I find very few patterns in the guest's memory 4.003 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.909
Then patterns cover at least 99% of the test FS size in the guest's memory 2.923 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.990
Then I find very few patterns in the guest's memory after 3 seconds 5.931 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# read cache
When I mount the USB drive again 5.577
And I read the content of the test FS 0.602
Then patterns cover at least 99% of the test FS size in the guest's memory 3.098 
Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.955
Then I find very few patterns in the guest's memory after 3 seconds 5.699 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:326 1.738
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.797
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.177
And I prepare Tails for memory erasure tests 0.526
When I fill a 128 MiB file with a known pattern on the root filesystem 20.304
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.069
Then patterns cover at least 128 MiB in the guest's memory 2.738 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 20.963 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:326 3.590
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:3.853
Before features/support/hooks.rb:269 0.005
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:17.876
And I prepare Tails for memory erasure tests 0.459
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.347
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 21.152 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:326 3.540
After features/support/hooks.rb:100 0.010