Project Number Date
test_Tails_ISO_tca-remove-cruft 2 09 May 2025, 10:06

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 11:19.559 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
24.531
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 9.152
And I prepare Tails for memory erasure tests 0.407
When I start a process allocating 128 MiB of memory with a known pattern 1.210
Then patterns cover at least 128 MiB in the guest's memory 3.456 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 2.035
Then I find very few patterns in the guest's memory after 5 seconds 8.269 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:330 0.857
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.366
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 8.177
And I prepare Tails for memory erasure tests 0.429
And I find very few patterns in the guest's memory 3.559 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.906
Then patterns cover at least 99% of the test FS size in the guest's memory 4.212 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.442
Then I find very few patterns in the guest's memory after 3 seconds 6.636 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:330 0.716
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.298
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 8.497
And I prepare Tails for memory erasure tests 0.475
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.322
Then I find very few patterns in the guest's memory 3.604 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.669
Then patterns cover at least 75% of the test FS size in the guest's memory 4.185 
Pattern coverage: 86.775% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.854
Then I find very few patterns in the guest's memory after 3 seconds 6.497 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# read cache
When I mount the USB drive again 0.388
And I read the content of the test FS 1.554
Then patterns cover at least 99% of the test FS size in the guest's memory 4.102 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.496
Then I find very few patterns in the guest's memory after 3 seconds 6.649 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:330 0.697
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:13.576
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 8.111
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" 35.916
Then I find very few patterns in the guest's memory 2.313 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.632
Then patterns cover at least 99% of the test FS size in the guest's memory 3.243 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.757
Then I find very few patterns in the guest's memory after 3 seconds 6.791 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# read cache
When I mount the USB drive again 3.862
And I read the content of the test FS 0.650
Then patterns cover at least 99% of the test FS size in the guest's memory 3.463 
Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.557
Then I find very few patterns in the guest's memory after 3 seconds 5.866 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:330 1.171
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.272
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 8.433
And I prepare Tails for memory erasure tests 0.457
When I fill a 128 MiB file with a known pattern on the root filesystem 19.574
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.624
Then patterns cover at least 128 MiB in the guest's memory 3.161 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 21.005 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:330 3.722
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:31.513
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 6:44.656
And I prepare Tails for memory erasure tests 0.432
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.121
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.290 
Pattern coverage: 0.000% (0 MiB out of 918 MiB reference memory)
After features/support/hooks.rb:330 3.497
After features/support/hooks.rb:100 0.012