Project Number Date
test_Tails_ISO_devel 3350 06 Apr 2024, 12:09

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 10:13.876 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
22.226
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 10.874
And I prepare Tails for memory erasure tests 0.427
When I start a process allocating 128 MiB of memory with a known pattern 1.242
Then patterns cover at least 128 MiB in the guest's memory 4.059 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.873
Then I find very few patterns in the guest's memory 4.750 
Pattern coverage: 0.000% (0 MiB out of 919 MiB reference memory)
After features/support/hooks.rb:291 0.735
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
24.590
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.515
And I prepare Tails for memory erasure tests 0.416
And I find very few patterns in the guest's memory 4.647 
Pattern coverage: 0.000% (0 MiB out of 923 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.708
Then patterns cover at least 99% of the test FS size in the guest's memory 4.266 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.481
Then I find very few patterns in the guest's memory 4.553 
Pattern coverage: 0.000% (0 MiB out of 923 MiB reference memory)
After features/support/hooks.rb:291 0.963
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
52.938
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.062
And I prepare Tails for memory erasure tests 0.427
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.051
Then I find very few patterns in the guest's memory 5.158 
Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.259
Then patterns cover at least 86% of the test FS size in the guest's memory 4.304 
Pattern coverage: 92.974% (118 MiB out of 127 MiB reference memory)
When I umount the USB drive 9.475
Then I find very few patterns in the guest's memory 4.640 
Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)
# read cache
When I mount the USB drive again 0.247
And I read the content of the test FS 0.437
Then patterns cover at least 99% of the test FS size in the guest's memory 4.022 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.451
Then I find very few patterns in the guest's memory 4.398 
Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)
After features/support/hooks.rb:291 0.748
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
1:5.177
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.225
And I prepare Tails for memory erasure tests 0.361
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 27.778
Then I find very few patterns in the guest's memory 4.258 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.733
Then patterns cover at least 99% of the test FS size in the guest's memory 3.765 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.020
Then I find very few patterns in the guest's memory 4.023 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# read cache
When I mount the USB drive again 4.581
And I read the content of the test FS 0.694
Then patterns cover at least 99% of the test FS size in the guest's memory 3.574 
Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.653
Then I find very few patterns in the guest's memory 4.508 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:291 0.806
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
48.411
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.082
And I prepare Tails for memory erasure tests 0.391
When I fill a 128 MiB file with a known pattern on the root filesystem 13.607
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.275
Then patterns cover at least 128 MiB in the guest's memory 3.125 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.895 
Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)
After features/support/hooks.rb:291 3.533
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
6:40.531
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 5:57.474
And I prepare Tails for memory erasure tests 0.397
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.061
When I trigger shutdown 0.011
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.565 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:291 3.563
After features/support/hooks.rb:75 0.021