Project Number Date
test_Tails_ISO_stable 4616 12 Jan 2024, 12:20

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 14:44.649 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
21.445
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.906
And I prepare Tails for memory erasure tests 0.705
When I start a process allocating 128 MiB of memory with a known pattern 2.295
Then patterns cover at least 128 MiB in the guest's memory 4.695 
Pattern coverage: 100.100% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.273
Then I find very few patterns in the guest's memory 4.569 
Pattern coverage: 0.000% (0 MiB out of 1199 MiB reference memory)
After features/support/hooks.rb:291 0.772
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
1:0.012
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 7.717
And I prepare Tails for memory erasure tests 0.491
And I find very few patterns in the guest's memory 3.692 
Pattern coverage: 0.000% (0 MiB out of 1198 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 40.426
Then patterns cover at least 99% of the test FS size in the guest's memory 3.080 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.275
Then I find very few patterns in the guest's memory 4.328 
Pattern coverage: 0.000% (0 MiB out of 1198 MiB reference memory)
After features/support/hooks.rb:291 0.914
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
3:21.115
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 9.417
And I prepare Tails for memory erasure tests 0.608
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.955
Then I find very few patterns in the guest's memory 4.566 
Pattern coverage: 0.000% (0 MiB out of 1198 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2:36.610
Then patterns cover at least 86% of the test FS size in the guest's memory 3.356 
Pattern coverage: 97.093% (120 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.867
Then I find very few patterns in the guest's memory 7.262 
Pattern coverage: 0.000% (0 MiB out of 1198 MiB reference memory)
# read cache
When I mount the USB drive again 0.247
And I read the content of the test FS 0.873
Then patterns cover at least 99% of the test FS size in the guest's memory 5.144 
Pattern coverage: 102.400% (127 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.297
Then I find very few patterns in the guest's memory 4.907 
Pattern coverage: 0.000% (0 MiB out of 1198 MiB reference memory)
After features/support/hooks.rb:291 1.084
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
3:1.680
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 9.565
And I prepare Tails for memory erasure tests 0.708
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 24.791
Then I find very few patterns in the guest's memory 8.965 
Pattern coverage: 0.000% (0 MiB out of 1204 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1:53.961
Then patterns cover at least 99% of the test FS size in the guest's memory 3.365 
Pattern coverage: 108.660% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.579
Then I find very few patterns in the guest's memory 4.257 
Pattern coverage: 0.000% (0 MiB out of 1204 MiB reference memory)
# read cache
When I mount the USB drive again 3.375
And I read the content of the test FS 2.653
Then patterns cover at least 99% of the test FS size in the guest's memory 3.519 
Pattern coverage: 108.661% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 1.873
Then I find very few patterns in the guest's memory 4.062 
Pattern coverage: 0.000% (0 MiB out of 1204 MiB reference memory)
After features/support/hooks.rb:291 0.973
After features/support/hooks.rb:75 0.001
Tags: @product @slow @not_release_blocker
48.223
Before features/support/hooks.rb:245 0.005
Given I have started Tails from DVD without network and logged in 8.292
And I prepare Tails for memory erasure tests 0.433
When I fill a 128 MiB file with a known pattern on the root filesystem 11.903
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.739
Then patterns cover at least 128 MiB in the guest's memory 3.367 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.545
And I wait 20 seconds 20.010 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.931 
Pattern coverage: 0.000% (0 MiB out of 1191 MiB reference memory)
After features/support/hooks.rb:291 3.426
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
6:12.171
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 5:28.203
And I prepare Tails for memory erasure tests 0.529
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.710
When I trigger shutdown 0.459
And I wait 20 seconds 20.019 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.248 
Pattern coverage: 0.000% (0 MiB out of 1180 MiB reference memory)
After features/support/hooks.rb:291 3.463
After features/support/hooks.rb:75 0.014