Project Number Date
test_Tails_ISO_stable 5421 27 Jan 2025, 19:49

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 10:35.856 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
23.638
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.085
And I prepare Tails for memory erasure tests 0.430
When I start a process allocating 128 MiB of memory with a known pattern 1.251
Then patterns cover at least 128 MiB in the guest's memory 3.535 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.151
Then I find very few patterns in the guest's memory after 5 seconds 9.184 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:326 0.914
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.116
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.162
And I prepare Tails for memory erasure tests 0.479
And I find very few patterns in the guest's memory 3.311 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.709
Then patterns cover at least 99% of the test FS size in the guest's memory 4.129 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.776
Then I find very few patterns in the guest's memory after 3 seconds 6.547 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:326 1.015
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.570
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.806
And I prepare Tails for memory erasure tests 0.390
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.107
Then I find very few patterns in the guest's memory 3.258 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.960
Then patterns cover at least 75% of the test FS size in the guest's memory 3.419 
Pattern coverage: 88.523% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 3.127
Then I find very few patterns in the guest's memory after 3 seconds 6.412 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# read cache
When I mount the USB drive again 0.276
And I read the content of the test FS 0.641
Then patterns cover at least 99% of the test FS size in the guest's memory 3.508 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.560
Then I find very few patterns in the guest's memory after 3 seconds 6.100 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:326 1.290
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:10.607
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.132
And I prepare Tails for memory erasure tests 0.427
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.718
Then I find very few patterns in the guest's memory 2.601 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.910
Then patterns cover at least 99% of the test FS size in the guest's memory 2.881 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.999
Then I find very few patterns in the guest's memory after 3 seconds 5.554 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# read cache
When I mount the USB drive again 5.127
And I read the content of the test FS 0.432
Then patterns cover at least 99% of the test FS size in the guest's memory 2.627 
Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.697
Then I find very few patterns in the guest's memory after 3 seconds 5.496 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:326 0.799
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.776
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 7.904
And I prepare Tails for memory erasure tests 0.408
When I fill a 128 MiB file with a known pattern on the root filesystem 18.222
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.736
Then patterns cover at least 128 MiB in the guest's memory 2.709 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 20.777 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:326 3.509
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
6:54.146
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 6:9.448
And I prepare Tails for memory erasure tests 0.452
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.063
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.169 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:326 3.559
After features/support/hooks.rb:100 0.013