Project Number Date
test_Tails_ISO_devel 3717 03 Mar 2025, 22:36

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 11:41.708 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
23.446
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.232
And I prepare Tails for memory erasure tests 0.424
When I start a process allocating 128 MiB of memory with a known pattern 1.223
Then patterns cover at least 128 MiB in the guest's memory 3.907 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.958
Then I find very few patterns in the guest's memory after 5 seconds 8.700 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:330 0.821
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.438
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 9.168
And I prepare Tails for memory erasure tests 0.457
And I find very few patterns in the guest's memory 3.856 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.014
Then patterns cover at least 99% of the test FS size in the guest's memory 3.893 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.365
Then I find very few patterns in the guest's memory after 3 seconds 6.681 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:330 1.024
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.343
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.144
And I prepare Tails for memory erasure tests 0.552
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.211
Then I find very few patterns in the guest's memory 3.900 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.605
Then patterns cover at least 75% of the test FS size in the guest's memory 4.094 
Pattern coverage: 88.517% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.227
Then I find very few patterns in the guest's memory after 3 seconds 7.032 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# read cache
When I mount the USB drive again 0.310
And I read the content of the test FS 0.755
Then patterns cover at least 99% of the test FS size in the guest's memory 4.881 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 3.355
Then I find very few patterns in the guest's memory after 3 seconds 6.270 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:330 2.867
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:15.365
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.145
And I prepare Tails for memory erasure tests 0.410
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.908
Then I find very few patterns in the guest's memory 2.613 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.886
Then patterns cover at least 99% of the test FS size in the guest's memory 2.904 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 3.012
Then I find very few patterns in the guest's memory after 3 seconds 5.523 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# read cache
When I mount the USB drive again 5.676
And I read the content of the test FS 0.516
Then patterns cover at least 99% of the test FS size in the guest's memory 4.289 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.788
Then I find very few patterns in the guest's memory after 3 seconds 5.689 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:330 1.158
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.274
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails from DVD without network and logged in 8.521
And I prepare Tails for memory erasure tests 0.513
When I fill a 128 MiB file with a known pattern on the root filesystem 15.746
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.895
Then patterns cover at least 128 MiB in the guest's memory 2.731 
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 21.851 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:330 3.729
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:49.839
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:3.603
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 24.464
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 21.277 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:330 3.663
After features/support/hooks.rb:100 0.032