Project Number Date
test_Tails_ISO_stable 5709 10 Jun 2025, 20:56

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 11:27.421 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
22.257
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 8.003
And I prepare Tails for memory erasure tests 0.443
When I start a process allocating 128 MiB of memory with a known pattern 1.266
Then patterns cover at least 128 MiB in the guest's memory 3.854 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.292
Then I find very few patterns in the guest's memory after 5 seconds 8.397 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:330 0.847
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.730
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 8.184
And I prepare Tails for memory erasure tests 0.511
And I find very few patterns in the guest's memory 3.369 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.927
Then patterns cover at least 99% of the test FS size in the guest's memory 4.348 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.482
Then I find very few patterns in the guest's memory after 3 seconds 6.906 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:330 0.848
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.589
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails from DVD without network and logged in 8.722
And I prepare Tails for memory erasure tests 0.445
When I plug and mount a 128 MiB USB drive with a vfat filesystem 12.293
Then I find very few patterns in the guest's memory 5.728 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.145
Then patterns cover at least 75% of the test FS size in the guest's memory 3.887 
Pattern coverage: 87.011% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.875
Then I find very few patterns in the guest's memory after 3 seconds 6.532 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# read cache
When I mount the USB drive again 0.316
And I read the content of the test FS 1.247
Then patterns cover at least 99% of the test FS size in the guest's memory 4.642 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.498
Then I find very few patterns in the guest's memory after 3 seconds 6.252 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:330 1.013
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:20.487
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 8.382
And I prepare Tails for memory erasure tests 0.447
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 40.934
Then I find very few patterns in the guest's memory 2.881 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.773
Then patterns cover at least 99% of the test FS size in the guest's memory 3.304 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.690
Then I find very few patterns in the guest's memory after 3 seconds 5.909 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# read cache
When I mount the USB drive again 5.505
And I read the content of the test FS 0.410
Then patterns cover at least 99% of the test FS size in the guest's memory 3.329 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.544
Then I find very few patterns in the guest's memory after 3 seconds 6.373 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 0.939
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.679
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 8.215
And I prepare Tails for memory erasure tests 0.470
When I fill a 128 MiB file with a known pattern on the root filesystem 19.582
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.226
Then patterns cover at least 128 MiB in the guest's memory 3.348 
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 20.825 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:330 3.638
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:30.677
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 6:45.287
And I prepare Tails for memory erasure tests 1.159
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.050
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.167 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:330 3.516
After features/support/hooks.rb:100 0.012