Project Number Date
test_Tails_ISO_stable 4587 23 Dec 2023, 12:02

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 53 0 0 0 0 53 6 0 6 14:13.031 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
18.403
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.153
And I prepare Tails for memory erasure tests 0.814
When I start a process allocating 128 MiB of memory with a known pattern 1.275
Then patterns cover at least 128 MiB in the guest's memory 3.929 
Pattern coverage: 100.100% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.320
Then I find very few patterns in the guest's memory 3.910 
Pattern coverage: 0.000% (0 MiB out of 1216 MiB reference memory)
After features/support/hooks.rb:291 0.785
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
59.503
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.009
And I prepare Tails for memory erasure tests 0.563
And I find very few patterns in the guest's memory 4.702 
Pattern coverage: 0.000% (0 MiB out of 1221 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 38.179
Then patterns cover at least 99% of the test FS size in the guest's memory 3.133 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.232
Then I find very few patterns in the guest's memory 3.682 
Pattern coverage: 0.000% (0 MiB out of 1221 MiB reference memory)
After features/support/hooks.rb:291 0.801
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
3:8.683
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 7.885
And I prepare Tails for memory erasure tests 0.543
When I plug and mount a 128 MiB USB drive with a vfat filesystem 7.820
Then I find very few patterns in the guest's memory 4.086 
Pattern coverage: 0.000% (0 MiB out of 1221 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2:33.040
Then patterns cover at least 86% of the test FS size in the guest's memory 3.083 
Pattern coverage: 93.717% (116 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.493
Then I find very few patterns in the guest's memory 3.778 
Pattern coverage: 0.000% (0 MiB out of 1221 MiB reference memory)
# read cache
When I mount the USB drive again 0.318
And I read the content of the test FS 0.506
Then patterns cover at least 99% of the test FS size in the guest's memory 2.951 
Pattern coverage: 102.400% (127 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.352
Then I find very few patterns in the guest's memory 3.825 
Pattern coverage: 0.000% (0 MiB out of 1221 MiB reference memory)
After features/support/hooks.rb:291 0.806
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
2:53.596
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 7.672
And I prepare Tails for memory erasure tests 0.522
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 24.234
Then I find very few patterns in the guest's memory 3.522 
Pattern coverage: 0.000% (0 MiB out of 1203 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2:1.072
Then patterns cover at least 99% of the test FS size in the guest's memory 2.721 
Pattern coverage: 108.660% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.605
Then I find very few patterns in the guest's memory 3.109 
Pattern coverage: 0.000% (0 MiB out of 1203 MiB reference memory)
# read cache
When I mount the USB drive again 3.438
And I read the content of the test FS 0.369
Then patterns cover at least 99% of the test FS size in the guest's memory 2.547 
Pattern coverage: 108.663% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.401
Then I find very few patterns in the guest's memory 3.378 
Pattern coverage: 0.000% (0 MiB out of 1203 MiB reference memory)
After features/support/hooks.rb:291 0.721
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
45.474
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 7.783
And I prepare Tails for memory erasure tests 0.571
When I fill a 128 MiB file with a known pattern on the root filesystem 10.928
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.243
Then patterns cover at least 128 MiB in the guest's memory 2.588 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.562
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.777 
Pattern coverage: 0.000% (0 MiB out of 1220 MiB reference memory)
After features/support/hooks.rb:291 3.486
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
6:7.369
Before features/support/hooks.rb:245 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 5:24.596
And I prepare Tails for memory erasure tests 0.387
When I fill a 128 MiB file with a known pattern on the persistent filesystem 19.808
When I trigger shutdown 0.451
And I wait 20 seconds 20.002 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.123 
Pattern coverage: 0.000% (0 MiB out of 1155 MiB reference memory)
After features/support/hooks.rb:291 3.452
After features/support/hooks.rb:75 0.048