Project Number Date
test_Tails_ISO_stable 5580 17 Apr 2025, 12:47

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 11:58.549 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
28.590
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 8.158
And I prepare Tails for memory erasure tests 0.434
When I start a process allocating 128 MiB of memory with a known pattern 6.417
Then patterns cover at least 128 MiB in the guest's memory 4.392 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.509
Then I find very few patterns in the guest's memory after 5 seconds 8.677 
Pattern coverage: 0.000% (0 MiB out of 900 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
27.852
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 8.727
And I prepare Tails for memory erasure tests 0.452
And I find very few patterns in the guest's memory 4.320 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.241
Then patterns cover at least 99% of the test FS size in the guest's memory 4.363 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.517
Then I find very few patterns in the guest's memory after 3 seconds 7.229 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:330 0.888
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.287
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 9.355
And I prepare Tails for memory erasure tests 0.448
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.072
Then I find very few patterns in the guest's memory 4.249 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.778
Then patterns cover at least 75% of the test FS size in the guest's memory 4.163 
Pattern coverage: 86.567% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.919
Then I find very few patterns in the guest's memory after 3 seconds 6.496 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
# read cache
When I mount the USB drive again 0.236
And I read the content of the test FS 0.784
Then patterns cover at least 99% of the test FS size in the guest's memory 4.154 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.816
Then I find very few patterns in the guest's memory after 3 seconds 6.812 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:330 0.811
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:18.344
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 8.190
And I prepare Tails for memory erasure tests 0.446
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.842
Then I find very few patterns in the guest's memory 3.057 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.172
Then patterns cover at least 99% of the test FS size in the guest's memory 3.576 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.689
Then I find very few patterns in the guest's memory after 3 seconds 6.097 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
# read cache
When I mount the USB drive again 4.558
And I read the content of the test FS 0.479
Then patterns cover at least 99% of the test FS size in the guest's memory 3.521 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.512
Then I find very few patterns in the guest's memory after 3 seconds 6.201 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:330 1.367
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.291
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 8.632
And I prepare Tails for memory erasure tests 0.477
When I fill a 128 MiB file with a known pattern on the root filesystem 16.989
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.969
Then patterns cover at least 128 MiB in the guest's memory 3.316 
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 20.891 
Pattern coverage: 0.000% (0 MiB out of 922 MiB reference memory)
After features/support/hooks.rb:330 3.509
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:0.183
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:14.936
And I prepare Tails for memory erasure tests 0.430
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.539
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.263 
Pattern coverage: 0.000% (0 MiB out of 915 MiB reference memory)
After features/support/hooks.rb:330 3.506
After features/support/hooks.rb:100 0.011