Project Number Date
test_Tails_ISO_stable 4657 08 Feb 2024, 19:02

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 13:44.023 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
16.929
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 7.826
And I prepare Tails for memory erasure tests 0.515
When I start a process allocating 128 MiB of memory with a known pattern 1.323
Then patterns cover at least 128 MiB in the guest's memory 3.296 
Pattern coverage: 100.100% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.255
Then I find very few patterns in the guest's memory 3.712 
Pattern coverage: 0.000% (0 MiB out of 1175 MiB reference memory)
After features/support/hooks.rb:291 0.720
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
59.010
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 7.737
And I prepare Tails for memory erasure tests 0.503
And I find very few patterns in the guest's memory 3.836 
Pattern coverage: 0.000% (0 MiB out of 1197 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 39.924
Then patterns cover at least 99% of the test FS size in the guest's memory 3.159 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.194
Then I find very few patterns in the guest's memory 3.653 
Pattern coverage: 0.000% (0 MiB out of 1197 MiB reference memory)
After features/support/hooks.rb:291 1.425
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
3:6.246
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 7.672
And I prepare Tails for memory erasure tests 0.549
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.860
Then I find very few patterns in the guest's memory 3.757 
Pattern coverage: 0.000% (0 MiB out of 1193 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2:29.289
Then patterns cover at least 86% of the test FS size in the guest's memory 3.348 
Pattern coverage: 95.883% (119 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.547
Then I find very few patterns in the guest's memory 4.368 
Pattern coverage: 0.000% (0 MiB out of 1193 MiB reference memory)
# read cache
When I mount the USB drive again 0.431
And I read the content of the test FS 0.737
Then patterns cover at least 99% of the test FS size in the guest's memory 4.203 
Pattern coverage: 102.400% (127 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.342
Then I find very few patterns in the guest's memory 4.136 
Pattern coverage: 0.000% (0 MiB out of 1193 MiB reference memory)
After features/support/hooks.rb:291 0.815
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
2:29.934
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.031
And I prepare Tails for memory erasure tests 0.583
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 27.014
Then I find very few patterns in the guest's memory 3.783 
Pattern coverage: 0.000% (0 MiB out of 1213 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1:33.077
Then patterns cover at least 99% of the test FS size in the guest's memory 2.444 
Pattern coverage: 108.660% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.730
Then I find very few patterns in the guest's memory 3.335 
Pattern coverage: 0.000% (0 MiB out of 1213 MiB reference memory)
# read cache
When I mount the USB drive again 3.337
And I read the content of the test FS 0.575
Then patterns cover at least 99% of the test FS size in the guest's memory 2.646 
Pattern coverage: 108.663% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.649
Then I find very few patterns in the guest's memory 3.724 
Pattern coverage: 0.000% (0 MiB out of 1213 MiB reference memory)
After features/support/hooks.rb:291 0.950
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
49.495
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.499
And I prepare Tails for memory erasure tests 0.471
When I fill a 128 MiB file with a known pattern on the root filesystem 13.882
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.504
Then patterns cover at least 128 MiB in the guest's memory 2.676 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.603
And I wait 20 seconds 20.013 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.843 
Pattern coverage: 0.000% (0 MiB out of 1197 MiB reference memory)
After features/support/hooks.rb:291 3.494
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
6:2.408
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 5:16.218
And I prepare Tails for memory erasure tests 0.488
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.365
When I trigger shutdown 0.249
And I wait 20 seconds 20.019 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.067 
Pattern coverage: 0.000% (0 MiB out of 1205 MiB reference memory)
After features/support/hooks.rb:291 3.477
After features/support/hooks.rb:75 0.011