Project Number Date
test_Tails_ISO_stable 4563 11 Dec 2023, 14:59

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 14:49.626 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
18.886
Before features/support/hooks.rb:245 0.006
Given I have started Tails from DVD without network and logged in 8.359
And I prepare Tails for memory erasure tests 0.725
When I start a process allocating 128 MiB of memory with a known pattern 2.434
Then patterns cover at least 128 MiB in the guest's memory 3.506 
Pattern coverage: 100.100% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.334
Then I find very few patterns in the guest's memory 3.526 
Pattern coverage: 0.000% (0 MiB out of 1217 MiB reference memory)
After features/support/hooks.rb:291 0.777
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
1:4.944
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.797
And I prepare Tails for memory erasure tests 0.625
And I find very few patterns in the guest's memory 3.621 
Pattern coverage: 0.000% (0 MiB out of 1210 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 44.651
Then patterns cover at least 99% of the test FS size in the guest's memory 3.278 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.214
Then I find very few patterns in the guest's memory 3.754 
Pattern coverage: 0.000% (0 MiB out of 1210 MiB reference memory)
After features/support/hooks.rb:291 1.022
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
3:19.398
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.001
And I prepare Tails for memory erasure tests 0.683
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.957
Then I find very few patterns in the guest's memory 4.185 
Pattern coverage: 0.000% (0 MiB out of 1224 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2:42.753
Then patterns cover at least 86% of the test FS size in the guest's memory 3.382 
Pattern coverage: 94.619% (117 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.497
Then I find very few patterns in the guest's memory 3.530 
Pattern coverage: 0.000% (0 MiB out of 1224 MiB reference memory)
# read cache
When I mount the USB drive again 0.754
And I read the content of the test FS 0.811
Then patterns cover at least 99% of the test FS size in the guest's memory 2.958 
Pattern coverage: 102.400% (127 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.890
Then I find very few patterns in the guest's memory 3.992 
Pattern coverage: 0.000% (0 MiB out of 1224 MiB reference memory)
After features/support/hooks.rb:291 1.556
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
3:0.344
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.744
And I prepare Tails for memory erasure tests 0.502
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 26.390
Then I find very few patterns in the guest's memory 3.672 
Pattern coverage: 0.000% (0 MiB out of 1220 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1:58.056
Then patterns cover at least 99% of the test FS size in the guest's memory 3.201 
Pattern coverage: 108.660% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.625
Then I find very few patterns in the guest's memory 3.837 
Pattern coverage: 0.000% (0 MiB out of 1220 MiB reference memory)
# read cache
When I mount the USB drive again 6.841
And I read the content of the test FS 0.455
Then patterns cover at least 99% of the test FS size in the guest's memory 2.681 
Pattern coverage: 108.660% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 1.392
Then I find very few patterns in the guest's memory 3.943 
Pattern coverage: 0.000% (0 MiB out of 1220 MiB reference memory)
After features/support/hooks.rb:291 1.285
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
50.189
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 7.953
And I prepare Tails for memory erasure tests 0.671
When I fill a 128 MiB file with a known pattern on the root filesystem 14.252
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.926
Then patterns cover at least 128 MiB in the guest's memory 2.912 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.602
And I wait 20 seconds 20.002 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.867 
Pattern coverage: 0.000% (0 MiB out of 1192 MiB reference memory)
After features/support/hooks.rb:291 3.493
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
6:15.863
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 5:30.371
And I prepare Tails for memory erasure tests 0.543
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.423
When I trigger shutdown 0.266
And I wait 20 seconds 20.003 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.253 
Pattern coverage: 0.000% (0 MiB out of 1223 MiB reference memory)
After features/support/hooks.rb:291 3.528
After features/support/hooks.rb:75 0.012