Project Number Date
test_Tails_ISO_stable 5080 08 Sep 2024, 12:13

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 10:57.421 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
23.682
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.111
And I prepare Tails for memory erasure tests 0.386
When I start a process allocating 128 MiB of memory with a known pattern 2.236
Then patterns cover at least 128 MiB in the guest's memory 4.011 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.975
Then I find very few patterns in the guest's memory after 3 seconds 6.961 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:326 0.751
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.105
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.155
And I prepare Tails for memory erasure tests 0.392
And I find very few patterns in the guest's memory 3.217 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.263
Then patterns cover at least 99% of the test FS size in the guest's memory 3.611 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.339
Then I find very few patterns in the guest's memory after 3 seconds 6.125 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:326 0.692
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
45.502
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.050
And I prepare Tails for memory erasure tests 0.384
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.197
Then I find very few patterns in the guest's memory 3.114 
Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.604
Then patterns cover at least 75% of the test FS size in the guest's memory 3.673 
Pattern coverage: 87.430% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.503
Then I find very few patterns in the guest's memory after 3 seconds 6.083 
Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)
# read cache
When I mount the USB drive again 0.216
And I read the content of the test FS 0.534
Then patterns cover at least 99% of the test FS size in the guest's memory 3.543 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.484
Then I find very few patterns in the guest's memory after 3 seconds 6.108 
Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)
After features/support/hooks.rb:326 0.674
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:19.262
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.013
And I prepare Tails for memory erasure tests 0.469
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.974
Then I find very few patterns in the guest's memory 2.593 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.768
Then patterns cover at least 99% of the test FS size in the guest's memory 3.028 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.091
Then I find very few patterns in the guest's memory after 3 seconds 5.743 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# read cache
When I mount the USB drive again 6.032
And I read the content of the test FS 0.783
Then patterns cover at least 99% of the test FS size in the guest's memory 3.321 
Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.606
Then I find very few patterns in the guest's memory after 3 seconds 5.835 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:326 0.773
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.562
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.250
And I prepare Tails for memory erasure tests 0.409
When I fill a 128 MiB file with a known pattern on the root filesystem 14.633
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.676
Then patterns cover at least 128 MiB in the guest's memory 2.793 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 20.784 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:326 3.514
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:15.307
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 6:31.157
And I prepare Tails for memory erasure tests 0.420
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.588
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.127 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 3.514
After features/support/hooks.rb:100 0.011