Project Number Date
test_Tails_ISO_stable 5205 21 Oct 2024, 13:58

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 11:48.481 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
24.161
Before features/support/hooks.rb:269 0.006
Given I have started Tails from DVD without network and logged in 8.744
And I prepare Tails for memory erasure tests 0.663
When I start a process allocating 128 MiB of memory with a known pattern 2.470
Then patterns cover at least 128 MiB in the guest's memory 3.838 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 2.186
Then I find very few patterns in the guest's memory after 3 seconds 6.258 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:326 1.021
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
28.041
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.117
And I prepare Tails for memory erasure tests 0.978
And I find very few patterns in the guest's memory 5.966 
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 1.872
Then patterns cover at least 99% of the test FS size in the guest's memory 3.383 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.939
Then I find very few patterns in the guest's memory after 3 seconds 5.782 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:326 1.210
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.807
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.024
And I prepare Tails for memory erasure tests 0.407
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.129
Then I find very few patterns in the guest's memory 2.985 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.430
Then patterns cover at least 75% of the test FS size in the guest's memory 3.903 
Pattern coverage: 87.106% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.465
Then I find very few patterns in the guest's memory after 3 seconds 8.039 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# read cache
When I mount the USB drive again 0.381
And I read the content of the test FS 0.934
Then patterns cover at least 99% of the test FS size in the guest's memory 5.657 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.671
Then I find very few patterns in the guest's memory after 3 seconds 7.775 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:326 1.600
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:18.380
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.325
And I prepare Tails for memory erasure tests 0.485
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.429
Then I find very few patterns in the guest's memory 3.585 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.532
Then patterns cover at least 99% of the test FS size in the guest's memory 3.658 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.701
Then I find very few patterns in the guest's memory after 3 seconds 6.205 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
# read cache
When I mount the USB drive again 5.381
And I read the content of the test FS 0.453
Then patterns cover at least 99% of the test FS size in the guest's memory 3.086 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.981
Then I find very few patterns in the guest's memory after 3 seconds 5.553 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
After features/support/hooks.rb:326 1.616
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.216
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.457
And I prepare Tails for memory erasure tests 0.488
When I fill a 128 MiB file with a known pattern on the root filesystem 15.219
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.795
Then patterns cover at least 128 MiB in the guest's memory 2.516 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.726 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:326 3.540
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:53.873
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 7:5.498
And I prepare Tails for memory erasure tests 0.462
When I fill a 128 MiB file with a known pattern on the persistent filesystem 26.653
When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 21.241 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:326 3.638
After features/support/hooks.rb:100 0.017