Project Number Date
test_Tails_ISO_devel 3866 12 Jun 2025, 18:58

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 13:32.064 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
28.480
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 9.002
And I prepare Tails for memory erasure tests 0.608
When I start a process allocating 128 MiB of memory with a known pattern 2.460
Then patterns cover at least 128 MiB in the guest's memory 6.463 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.513
Then I find very few patterns in the guest's memory after 5 seconds 8.431 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:330 0.814
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
29.143
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 9.425
And I prepare Tails for memory erasure tests 0.806
And I find very few patterns in the guest's memory 4.427 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.887
Then patterns cover at least 99% of the test FS size in the guest's memory 4.664 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.589
Then I find very few patterns in the guest's memory after 3 seconds 7.342 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:330 1.120
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
58.178
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 9.590
And I prepare Tails for memory erasure tests 0.836
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.285
Then I find very few patterns in the guest's memory 4.140 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.691
Then patterns cover at least 75% of the test FS size in the guest's memory 5.364 
Pattern coverage: 87.654% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.093
Then I find very few patterns in the guest's memory after 3 seconds 7.058 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
# read cache
When I mount the USB drive again 0.223
And I read the content of the test FS 4.166
Then patterns cover at least 99% of the test FS size in the guest's memory 4.153 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.590
Then I find very few patterns in the guest's memory after 3 seconds 6.983 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:330 1.318
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:47.265
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 9.988
And I prepare Tails for memory erasure tests 0.626
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 57.408
Then I find very few patterns in the guest's memory 5.066 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.298
Then patterns cover at least 99% of the test FS size in the guest's memory 4.411 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.083
Then I find very few patterns in the guest's memory after 3 seconds 7.098 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# read cache
When I mount the USB drive again 4.587
And I read the content of the test FS 2.079
Then patterns cover at least 99% of the test FS size in the guest's memory 4.698 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.947
Then I find very few patterns in the guest's memory after 3 seconds 6.972 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:330 1.364
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.489
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 9.382
And I prepare Tails for memory erasure tests 0.956
When I fill a 128 MiB file with a known pattern on the root filesystem 17.403
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.606
Then patterns cover at least 128 MiB in the guest's memory 3.150 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.023
Then I find very few patterns in the guest's memory after 20 seconds 20.964 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:330 3.662
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:53.506
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 8:4.685
And I prepare Tails for memory erasure tests 0.406
When I fill a 128 MiB file with a known pattern on the persistent filesystem 26.929
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.473 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:330 3.494
After features/support/hooks.rb:100 0.011