Project Number Date
test_Tails_ISO_web-release-6.15.1 4 20 May 2025, 21:32

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 11:32.101 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
26.897
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 9.583
And I prepare Tails for memory erasure tests 0.632
When I start a process allocating 128 MiB of memory with a known pattern 2.331
Then patterns cover at least 128 MiB in the guest's memory 4.540 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.393
Then I find very few patterns in the guest's memory after 5 seconds 8.416 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:330 1.274
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.038
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 9.494
And I prepare Tails for memory erasure tests 0.672
And I find very few patterns in the guest's memory 3.987 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.857
Then patterns cover at least 99% of the test FS size in the guest's memory 3.830 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.602
Then I find very few patterns in the guest's memory after 3 seconds 6.593 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:330 0.736
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.824
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 8.232
And I prepare Tails for memory erasure tests 0.534
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.046
Then I find very few patterns in the guest's memory 3.628 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.803
Then patterns cover at least 75% of the test FS size in the guest's memory 4.235 
Pattern coverage: 86.778% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.941
Then I find very few patterns in the guest's memory after 3 seconds 6.574 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# read cache
When I mount the USB drive again 0.296
And I read the content of the test FS 0.579
Then patterns cover at least 99% of the test FS size in the guest's memory 4.099 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.289
Then I find very few patterns in the guest's memory after 3 seconds 6.561 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:330 0.901
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:13.726
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 8.145
And I prepare Tails for memory erasure tests 0.560
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.360
Then I find very few patterns in the guest's memory 3.277 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.849
Then patterns cover at least 99% of the test FS size in the guest's memory 3.791 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.062
Then I find very few patterns in the guest's memory after 3 seconds 6.258 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# read cache
When I mount the USB drive again 3.808
And I read the content of the test FS 0.714
Then patterns cover at least 99% of the test FS size in the guest's memory 3.523 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.624
Then I find very few patterns in the guest's memory after 3 seconds 5.748 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:330 1.726
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.469
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 9.433
And I prepare Tails for memory erasure tests 0.541
When I fill a 128 MiB file with a known pattern on the root filesystem 18.128
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.666
Then patterns cover at least 128 MiB in the guest's memory 3.248 
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 21.438 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:330 3.515
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:41.144
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 6:56.393
And I prepare Tails for memory erasure tests 0.455
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.999
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.282 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:330 3.761
After features/support/hooks.rb:100 0.012