Project Number Date
test_Tails_ISO_stable 5037 19 Aug 2024, 20:28

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 10:48.868 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
24.718
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.663
And I prepare Tails for memory erasure tests 0.429
When I start a process allocating 128 MiB of memory with a known pattern 1.213
Then patterns cover at least 128 MiB in the guest's memory 6.348 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.277
Then I find very few patterns in the guest's memory after 3 seconds 6.784 
Pattern coverage: 0.000% (0 MiB out of 867 MiB reference memory)
After features/support/hooks.rb:326 0.797
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.347
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.154
And I prepare Tails for memory erasure tests 0.414
And I find very few patterns in the guest's memory 4.009 
Pattern coverage: 0.000% (0 MiB out of 859 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 3.717
Then patterns cover at least 99% of the test FS size in the guest's memory 3.892 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.990
Then I find very few patterns in the guest's memory after 3 seconds 6.168 
Pattern coverage: 0.000% (0 MiB out of 859 MiB reference memory)
After features/support/hooks.rb:326 0.845
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.727
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.071
And I prepare Tails for memory erasure tests 0.447
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.114
Then I find very few patterns in the guest's memory 3.107 
Pattern coverage: 0.000% (0 MiB out of 864 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.765
Then patterns cover at least 75% of the test FS size in the guest's memory 4.001 
Pattern coverage: 86.882% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 4.812
Then I find very few patterns in the guest's memory after 3 seconds 6.119 
Pattern coverage: 0.000% (0 MiB out of 864 MiB reference memory)
# read cache
When I mount the USB drive again 0.416
And I read the content of the test FS 0.930
Then patterns cover at least 99% of the test FS size in the guest's memory 3.435 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.707
Then I find very few patterns in the guest's memory after 3 seconds 6.797 
Pattern coverage: 0.000% (0 MiB out of 864 MiB reference memory)
After features/support/hooks.rb:326 1.027
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:14.347
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.782
And I prepare Tails for memory erasure tests 0.422
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.604
Then I find very few patterns in the guest's memory 2.918 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.955
Then patterns cover at least 99% of the test FS size in the guest's memory 3.229 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.985
Then I find very few patterns in the guest's memory after 3 seconds 5.442 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
# read cache
When I mount the USB drive again 4.838
And I read the content of the test FS 0.531
Then patterns cover at least 99% of the test FS size in the guest's memory 3.128 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.960
Then I find very few patterns in the guest's memory after 3 seconds 5.548 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
After features/support/hooks.rb:326 1.409
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.356
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.334
And I prepare Tails for memory erasure tests 0.418
When I fill a 128 MiB file with a known pattern on the root filesystem 16.235
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.718
Then patterns cover at least 128 MiB in the guest's memory 2.908 
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 20.724 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
After features/support/hooks.rb:326 3.470
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:0.371
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 6:15.509
And I prepare Tails for memory erasure tests 0.437
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.169
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.243 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:326 3.462
After features/support/hooks.rb:100 0.010