Project Number Date
test_Tails_ISO_devel 3758 27 Mar 2025, 14:24

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 13:32.417 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
25.889
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 8.780
And I prepare Tails for memory erasure tests 0.500
When I start a process allocating 128 MiB of memory with a known pattern 2.362
Then patterns cover at least 128 MiB in the guest's memory 4.182 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.409
Then I find very few patterns in the guest's memory after 5 seconds 8.653 
Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)
After features/support/hooks.rb:330 0.803
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
36.014
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 8.986
And I prepare Tails for memory erasure tests 0.545
And I find very few patterns in the guest's memory 8.164 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.717
Then patterns cover at least 99% of the test FS size in the guest's memory 6.784 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.996
Then I find very few patterns in the guest's memory after 3 seconds 7.818 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:330 1.240
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
57.874
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.012
Given I have started Tails from DVD without network and logged in 10.532
And I prepare Tails for memory erasure tests 0.743
When I plug and mount a 128 MiB USB drive with a vfat filesystem 12.088
Then I find very few patterns in the guest's memory 4.219 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.717
Then patterns cover at least 75% of the test FS size in the guest's memory 4.660 
Pattern coverage: 88.655% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.502
Then I find very few patterns in the guest's memory after 3 seconds 7.336 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# read cache
When I mount the USB drive again 0.309
And I read the content of the test FS 0.774
Then patterns cover at least 99% of the test FS size in the guest's memory 4.815 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.531
Then I find very few patterns in the guest's memory after 3 seconds 7.641 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:330 1.477
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:43.944
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 9.469
And I prepare Tails for memory erasure tests 0.705
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 52.893
Then I find very few patterns in the guest's memory 3.920 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.272
Then patterns cover at least 99% of the test FS size in the guest's memory 3.802 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.010
Then I find very few patterns in the guest's memory after 3 seconds 7.401 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# read cache
When I mount the USB drive again 7.594
And I read the content of the test FS 2.052
Then patterns cover at least 99% of the test FS size in the guest's memory 4.857 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.837
Then I find very few patterns in the guest's memory after 3 seconds 7.125 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:330 1.892
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.875
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 9.329
And I prepare Tails for memory erasure tests 0.920
When I fill a 128 MiB file with a known pattern on the root filesystem 17.827
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.572
Then patterns cover at least 128 MiB in the guest's memory 3.771 
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 21.440 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:330 3.716
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:52.818
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.007
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 8:5.844
And I prepare Tails for memory erasure tests 0.465
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.741
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 22.748 
Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)
After features/support/hooks.rb:330 3.863
After features/support/hooks.rb:100 0.016