Project Number Date
test_Tails_ISO_stable 5670 22 May 2025, 12:34

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 11:4.789 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
29.473
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 8.356
And I prepare Tails for memory erasure tests 0.418
When I start a process allocating 128 MiB of memory with a known pattern 3.763
Then patterns cover at least 128 MiB in the guest's memory 3.393 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 4.462
Then I find very few patterns in the guest's memory after 5 seconds 9.078 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
After features/support/hooks.rb:330 0.747
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.388
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 7.987
And I prepare Tails for memory erasure tests 0.424
And I find very few patterns in the guest's memory 3.429 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.066
Then patterns cover at least 99% of the test FS size in the guest's memory 3.477 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.760
Then I find very few patterns in the guest's memory after 3 seconds 6.242 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
After features/support/hooks.rb:330 0.703
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.284
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 7.902
And I prepare Tails for memory erasure tests 0.429
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.053
Then I find very few patterns in the guest's memory 3.672 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.689
Then patterns cover at least 75% of the test FS size in the guest's memory 4.068 
Pattern coverage: 90.608% (115 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.944
Then I find very few patterns in the guest's memory after 3 seconds 6.929 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# read cache
When I mount the USB drive again 0.303
And I read the content of the test FS 0.539
Then patterns cover at least 99% of the test FS size in the guest's memory 3.374 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.450
Then I find very few patterns in the guest's memory after 3 seconds 5.926 
Pattern coverage: 0.001% (0 MiB out of 874 MiB reference memory)
After features/support/hooks.rb:330 0.667
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:31.900
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 8.664
And I prepare Tails for memory erasure tests 0.461
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 47.001
Then I find very few patterns in the guest's memory 2.462 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.643
Then patterns cover at least 99% of the test FS size in the guest's memory 3.059 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.772
Then I find very few patterns in the guest's memory after 3 seconds 5.524 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
# read cache
When I mount the USB drive again 11.991
And I read the content of the test FS 1.239
Then patterns cover at least 99% of the test FS size in the guest's memory 2.991 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.733
Then I find very few patterns in the guest's memory after 3 seconds 5.353 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:330 1.528
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.738
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 8.543
And I prepare Tails for memory erasure tests 0.406
When I fill a 128 MiB file with a known pattern on the root filesystem 15.824
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.591
Then patterns cover at least 128 MiB in the guest's memory 2.528 
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 20.830 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:330 3.522
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
6:59.003
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 6:15.522
And I prepare Tails for memory erasure tests 0.425
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.893
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.149 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:330 3.508
After features/support/hooks.rb:100 0.012