Project Number Date
test_Tails_ISO_stable 4660 10 Feb 2024, 14:57

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 13:35.161 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
20.182
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.463
And I prepare Tails for memory erasure tests 0.527
When I start a process allocating 128 MiB of memory with a known pattern 1.215
Then patterns cover at least 128 MiB in the guest's memory 3.850 
Pattern coverage: 100.100% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.077
Then I find very few patterns in the guest's memory 5.047 
Pattern coverage: 0.000% (0 MiB out of 1206 MiB reference memory)
After features/support/hooks.rb:291 0.761
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
1:0.705
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 7.841
And I prepare Tails for memory erasure tests 0.510
And I find very few patterns in the guest's memory 3.702 
Pattern coverage: 0.000% (0 MiB out of 1217 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 40.954
Then patterns cover at least 99% of the test FS size in the guest's memory 3.416 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.375
Then I find very few patterns in the guest's memory 3.904 
Pattern coverage: 0.000% (0 MiB out of 1217 MiB reference memory)
After features/support/hooks.rb:291 0.892
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
2:51.718
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.794
And I prepare Tails for memory erasure tests 0.710
When I plug and mount a 128 MiB USB drive with a vfat filesystem 8.079
Then I find very few patterns in the guest's memory 3.808 
Pattern coverage: 0.000% (0 MiB out of 1196 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2:12.268
Then patterns cover at least 86% of the test FS size in the guest's memory 3.711 
Pattern coverage: 94.676% (117 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.508
Then I find very few patterns in the guest's memory 3.823 
Pattern coverage: 0.000% (0 MiB out of 1196 MiB reference memory)
# read cache
When I mount the USB drive again 0.275
And I read the content of the test FS 1.021
Then patterns cover at least 99% of the test FS size in the guest's memory 4.009 
Pattern coverage: 102.400% (127 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.265
Then I find very few patterns in the guest's memory 4.440 
Pattern coverage: 0.000% (0 MiB out of 1196 MiB reference memory)
After features/support/hooks.rb:291 0.933
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
2:28.093
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.405
And I prepare Tails for memory erasure tests 0.521
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 23.454
Then I find very few patterns in the guest's memory 3.994 
Pattern coverage: 0.000% (0 MiB out of 1210 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1:34.085
Then patterns cover at least 99% of the test FS size in the guest's memory 2.716 
Pattern coverage: 108.660% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.725
Then I find very few patterns in the guest's memory 3.242 
Pattern coverage: 0.000% (0 MiB out of 1210 MiB reference memory)
# read cache
When I mount the USB drive again 3.403
And I read the content of the test FS 0.582
Then patterns cover at least 99% of the test FS size in the guest's memory 2.692 
Pattern coverage: 108.663% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.437
Then I find very few patterns in the guest's memory 3.831 
Pattern coverage: 0.000% (0 MiB out of 1210 MiB reference memory)
After features/support/hooks.rb:291 0.973
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
50.523
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.402
And I prepare Tails for memory erasure tests 0.608
When I fill a 128 MiB file with a known pattern on the root filesystem 12.820
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.430
Then patterns cover at least 128 MiB in the guest's memory 3.497 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 1.771
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.972 
Pattern coverage: 0.000% (0 MiB out of 1208 MiB reference memory)
After features/support/hooks.rb:291 3.640
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
6:3.938
Before features/support/hooks.rb:245 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 5:19.822
And I prepare Tails for memory erasure tests 0.484
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.009
When I trigger shutdown 0.408
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.193 
Pattern coverage: 0.000% (0 MiB out of 1163 MiB reference memory)
After features/support/hooks.rb:291 3.553
After features/support/hooks.rb:75 0.010