Project Number Date
test_Tails_ISO_stable 5136 03 Oct 2024, 12:31

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 10:42.416 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
22.193
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 7.991
And I prepare Tails for memory erasure tests 0.387
When I start a process allocating 128 MiB of memory with a known pattern 2.448
Then patterns cover at least 128 MiB in the guest's memory 3.741 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.469
Then I find very few patterns in the guest's memory after 3 seconds 6.154 
Pattern coverage: 0.000% (0 MiB out of 914 MiB reference memory)
After features/support/hooks.rb:326 0.809
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.748
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.292
And I prepare Tails for memory erasure tests 0.518
And I find very few patterns in the guest's memory 3.632 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.633
Then patterns cover at least 99% of the test FS size in the guest's memory 4.488 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.159
Then I find very few patterns in the guest's memory after 3 seconds 6.023 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:326 0.810
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.198
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.416
And I prepare Tails for memory erasure tests 0.735
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.392
Then I find very few patterns in the guest's memory 3.501 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.451
Then patterns cover at least 75% of the test FS size in the guest's memory 4.160 
Pattern coverage: 88.290% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.590
Then I find very few patterns in the guest's memory after 3 seconds 6.245 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# read cache
When I mount the USB drive again 0.241
And I read the content of the test FS 0.723
Then patterns cover at least 99% of the test FS size in the guest's memory 3.790 
Pattern coverage: 100.596% (128 MiB out of 127 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 6.341 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:326 0.824
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:14.828
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.071
And I prepare Tails for memory erasure tests 0.376
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.021
Then I find very few patterns in the guest's memory 2.728 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.006
Then patterns cover at least 99% of the test FS size in the guest's memory 3.118 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.979
Then I find very few patterns in the guest's memory after 3 seconds 5.603 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# read cache
When I mount the USB drive again 5.951
And I read the content of the test FS 0.414
Then patterns cover at least 99% of the test FS size in the guest's memory 3.217 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.621
Then I find very few patterns in the guest's memory after 3 seconds 5.718 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 0.794
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.606
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.036
And I prepare Tails for memory erasure tests 0.424
When I fill a 128 MiB file with a known pattern on the root filesystem 14.800
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.741
Then patterns cover at least 128 MiB in the guest's memory 2.842 
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 20.745 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:326 3.510
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:0.841
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 6:15.614
And I prepare Tails for memory erasure tests 0.441
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.618
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.155 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:326 3.475
After features/support/hooks.rb:100 0.012