Project Number Date
test_Tails_ISO_stable 5367 05 Jan 2025, 12:23

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 11:20.561 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
20.680
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.890
And I prepare Tails for memory erasure tests 0.390
When I start a process allocating 128 MiB of memory with a known pattern 1.265
Then patterns cover at least 128 MiB in the guest's memory 3.221 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.965
Then I find very few patterns in the guest's memory after 3 seconds 5.947 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 1.055
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
22.888
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 0.514
And I find very few patterns in the guest's memory 2.981 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.404
Then patterns cover at least 99% of the test FS size in the guest's memory 3.145 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.450
Then I find very few patterns in the guest's memory after 3 seconds 6.457 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 0.841
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
47.664
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.927
And I prepare Tails for memory erasure tests 0.541
When I plug and mount a 128 MiB USB drive with a vfat filesystem 8.996
Then I find very few patterns in the guest's memory 2.844 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.426
Then patterns cover at least 75% of the test FS size in the guest's memory 3.994 
Pattern coverage: 85.578% (109 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.312
Then I find very few patterns in the guest's memory after 3 seconds 7.245 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
# read cache
When I mount the USB drive again 0.655
And I read the content of the test FS 0.828
Then patterns cover at least 99% of the test FS size in the guest's memory 3.771 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.669
Then I find very few patterns in the guest's memory after 3 seconds 6.449 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:326 0.830
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:27.513
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 20.634
And I prepare Tails for memory erasure tests 0.479
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.445
Then I find very few patterns in the guest's memory 2.353 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.926
Then patterns cover at least 99% of the test FS size in the guest's memory 3.356 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.948
Then I find very few patterns in the guest's memory after 3 seconds 5.337 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# read cache
When I mount the USB drive again 5.084
And I read the content of the test FS 0.362
Then patterns cover at least 99% of the test FS size in the guest's memory 2.612 
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 5.347 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:326 0.790
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.382
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.914
And I prepare Tails for memory erasure tests 0.553
When I fill a 128 MiB file with a known pattern on the root filesystem 15.705
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.595
Then patterns cover at least 128 MiB in the guest's memory 2.690 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.911 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:326 3.530
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:30.431
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 6:46.176
And I prepare Tails for memory erasure tests 0.937
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.074
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.231 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:326 3.486
After features/support/hooks.rb:100 0.012