Project Number Date
test_Tails_ISO_20660-fix-random-seed-update 10 19 Nov 2024, 16:43

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 10:41.333 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
21.748
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.933
And I prepare Tails for memory erasure tests 0.443
When I start a process allocating 128 MiB of memory with a known pattern 2.321
Then patterns cover at least 128 MiB in the guest's memory 3.724 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.103
Then I find very few patterns in the guest's memory after 3 seconds 6.222 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:326 0.741
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.753
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 7.901
And I prepare Tails for memory erasure tests 0.431
And I find very few patterns in the guest's memory 3.817 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.504
Then patterns cover at least 99% of the test FS size in the guest's memory 4.412 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.102
Then I find very few patterns in the guest's memory after 3 seconds 6.582 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:326 0.753
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.295
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 7.883
And I prepare Tails for memory erasure tests 0.409
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.500
Then I find very few patterns in the guest's memory 3.490 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.626
Then patterns cover at least 75% of the test FS size in the guest's memory 3.729 
Pattern coverage: 87.611% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.975
Then I find very few patterns in the guest's memory after 3 seconds 6.168 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# read cache
When I mount the USB drive again 0.254
And I read the content of the test FS 0.659
Then patterns cover at least 99% of the test FS size in the guest's memory 3.651 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.929
Then I find very few patterns in the guest's memory after 3 seconds 6.015 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 0.747
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:15.028
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 7.841
And I prepare Tails for memory erasure tests 0.468
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.230
Then I find very few patterns in the guest's memory 2.748 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.951
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 0.810
Then I find very few patterns in the guest's memory after 3 seconds 6.198 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# read cache
When I mount the USB drive again 5.410
And I read the content of the test FS 0.434
Then patterns cover at least 99% of the test FS size in the guest's memory 2.667 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.665
Then I find very few patterns in the guest's memory after 3 seconds 5.572 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:326 0.769
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.518
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 7.857
And I prepare Tails for memory erasure tests 0.381
When I fill a 128 MiB file with a known pattern on the root filesystem 20.190
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.965
Then patterns cover at least 128 MiB in the guest's memory 2.399 
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 20.710 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:326 3.522
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
6:54.988
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 6:10.153
And I prepare Tails for memory erasure tests 0.436
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.200
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.184 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 3.549
After features/support/hooks.rb:100 0.012