Project Number Date
test_Tails_ISO_stable 5163 09 Oct 2024, 15:51

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 12:23.294 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
23.886
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.886
And I prepare Tails for memory erasure tests 0.525
When I start a process allocating 128 MiB of memory with a known pattern 2.347
Then patterns cover at least 128 MiB in the guest's memory 4.783 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.314
Then I find very few patterns in the guest's memory after 3 seconds 7.028 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:326 1.066
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
30.670
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 9.888
And I prepare Tails for memory erasure tests 0.611
And I find very few patterns in the guest's memory 4.228 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.543
Then patterns cover at least 99% of the test FS size in the guest's memory 5.144 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.905
Then I find very few patterns in the guest's memory after 3 seconds 7.347 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
After features/support/hooks.rb:326 1.055
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:0.975
Before features/support/hooks.rb:269 0.007
Given I have started Tails from DVD without network and logged in 10.248
And I prepare Tails for memory erasure tests 0.783
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.691
Then I find very few patterns in the guest's memory 4.189 
Pattern coverage: 0.000% (0 MiB out of 915 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 5.236
Then patterns cover at least 75% of the test FS size in the guest's memory 5.133 
Pattern coverage: 90.966% (116 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.663
Then I find very few patterns in the guest's memory after 3 seconds 7.328 
Pattern coverage: 0.000% (0 MiB out of 915 MiB reference memory)
# read cache
When I mount the USB drive again 0.410
And I read the content of the test FS 0.902
Then patterns cover at least 99% of the test FS size in the guest's memory 4.737 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.968
Then I find very few patterns in the guest's memory after 3 seconds 7.680 
Pattern coverage: 0.000% (0 MiB out of 915 MiB reference memory)
After features/support/hooks.rb:326 1.658
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
1:29.839
Before features/support/hooks.rb:269 0.009
Given I have started Tails from DVD without network and logged in 10.511
And I prepare Tails for memory erasure tests 0.675
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 44.502
Then I find very few patterns in the guest's memory 3.625 
Pattern coverage: 0.000% (0 MiB out of 916 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.485
Then patterns cover at least 99% of the test FS size in the guest's memory 3.583 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.009
Then I find very few patterns in the guest's memory after 3 seconds 6.335 
Pattern coverage: 0.000% (0 MiB out of 916 MiB reference memory)
# read cache
When I mount the USB drive again 5.236
And I read the content of the test FS 1.081
Then patterns cover at least 99% of the test FS size in the guest's memory 3.597 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.049
Then I find very few patterns in the guest's memory after 3 seconds 6.146 
Pattern coverage: 0.000% (0 MiB out of 916 MiB reference memory)
After features/support/hooks.rb:326 1.129
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.313
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.651
And I prepare Tails for memory erasure tests 0.445
When I fill a 128 MiB file with a known pattern on the root filesystem 15.560
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.629
Then patterns cover at least 128 MiB in the guest's memory 3.148 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.019
Then I find very few patterns in the guest's memory after 20 seconds 20.859 
Pattern coverage: 0.000% (0 MiB out of 913 MiB reference memory)
After features/support/hooks.rb:326 3.529
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:6.608
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 7:21.007
And I prepare Tails for memory erasure tests 0.479
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.739
When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 21.364 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 3.556
After features/support/hooks.rb:100 0.013