Project Number Date
test_Tails_ISO_stable 4759 31 Mar 2024, 11:54

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 10:0.472 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
18.309
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.101
And I prepare Tails for memory erasure tests 0.387
When I start a process allocating 128 MiB of memory with a known pattern 1.248
Then patterns cover at least 128 MiB in the guest's memory 3.730 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.001
Then I find very few patterns in the guest's memory 3.839 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:291 1.588
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
24.292
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.543
And I prepare Tails for memory erasure tests 0.486
And I find very few patterns in the guest's memory 5.055 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.844
Then patterns cover at least 99% of the test FS size in the guest's memory 3.625 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.791
Then I find very few patterns in the guest's memory 3.945 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:291 1.668
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
41.880
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.133
And I prepare Tails for memory erasure tests 0.481
When I plug and mount a 128 MiB USB drive with a vfat filesystem 7.889
Then I find very few patterns in the guest's memory 4.302 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.209
Then patterns cover at least 86% of the test FS size in the guest's memory 3.630 
Pattern coverage: 89.475% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.375
Then I find very few patterns in the guest's memory 4.470 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# read cache
When I mount the USB drive again 0.544
And I read the content of the test FS 0.623
Then patterns cover at least 99% of the test FS size in the guest's memory 3.789 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.418
Then I find very few patterns in the guest's memory 4.011 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:291 2.124
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
1:2.012
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 7.994
And I prepare Tails for memory erasure tests 0.411
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.804
Then I find very few patterns in the guest's memory 3.511 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.764
Then patterns cover at least 99% of the test FS size in the guest's memory 2.922 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.761
Then I find very few patterns in the guest's memory 3.480 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# read cache
When I mount the USB drive again 4.031
And I read the content of the test FS 0.403
Then patterns cover at least 99% of the test FS size in the guest's memory 2.905 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.501
Then I find very few patterns in the guest's memory 3.517 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:291 0.693
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
59.218
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 7.896
And I prepare Tails for memory erasure tests 0.418
When I fill a 128 MiB file with a known pattern on the root filesystem 19.113
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 7.117
Then patterns cover at least 128 MiB in the guest's memory 2.830 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.013
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.808 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:291 3.532
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
6:34.758
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 5:47.477
And I prepare Tails for memory erasure tests 0.430
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.666
When I trigger shutdown 0.010
And I wait 20 seconds 20.019 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.153 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
After features/support/hooks.rb:291 3.542
After features/support/hooks.rb:75 0.012