Project Number Date
test_Tails_ISO_stable 5324 10 Dec 2024, 08:30

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 11:28.004 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
24.148
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.903
And I prepare Tails for memory erasure tests 0.579
When I start a process allocating 128 MiB of memory with a known pattern 2.258
Then patterns cover at least 128 MiB in the guest's memory 3.264 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 4.188
Then I find very few patterns in the guest's memory after 3 seconds 5.954 
Pattern coverage: 0.000% (0 MiB out of 914 MiB reference memory)
After features/support/hooks.rb:326 0.934
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.367
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.102
And I prepare Tails for memory erasure tests 0.387
And I find very few patterns in the guest's memory 2.840 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.760
Then patterns cover at least 99% of the test FS size in the guest's memory 3.373 
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 6.025 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:326 1.208
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
47.933
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.766
And I prepare Tails for memory erasure tests 0.408
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.385
Then I find very few patterns in the guest's memory 2.623 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 5.885
Then patterns cover at least 75% of the test FS size in the guest's memory 3.078 
Pattern coverage: 87.525% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.344
Then I find very few patterns in the guest's memory after 3 seconds 5.743 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
# read cache
When I mount the USB drive again 0.427
And I read the content of the test FS 0.590
Then patterns cover at least 99% of the test FS size in the guest's memory 3.264 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.514
Then I find very few patterns in the guest's memory after 3 seconds 5.899 
Pattern coverage: 0.000% (0 MiB out of 903 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
1:16.075
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.840
And I prepare Tails for memory erasure tests 0.397
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 40.363
Then I find very few patterns in the guest's memory 2.689 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.916
Then patterns cover at least 99% of the test FS size in the guest's memory 2.687 
Pattern coverage: 106.113% (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 5.003 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# read cache
When I mount the USB drive again 4.563
And I read the content of the test FS 0.505
Then patterns cover at least 99% of the test FS size in the guest's memory 2.692 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.982
Then I find very few patterns in the guest's memory after 3 seconds 5.222 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:326 3.425
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
50.518
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.829
And I prepare Tails for memory erasure tests 0.455
When I fill a 128 MiB file with a known pattern on the root filesystem 16.071
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.892
Then patterns cover at least 128 MiB in the guest's memory 2.478 
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 20.776 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:326 3.481
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:44.961
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 6:59.041
And I prepare Tails for memory erasure tests 0.651
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.113
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.143 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:326 3.532
After features/support/hooks.rb:100 0.030