Project Number Date
test_Tails_ISO_stable 4981 29 Jul 2024, 21:46

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 11:12.511 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
20.892
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.540
And I prepare Tails for memory erasure tests 0.438
When I start a process allocating 128 MiB of memory with a known pattern 2.266
Then patterns cover at least 128 MiB in the guest's memory 3.528 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.833
Then I find very few patterns in the guest's memory 4.284 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:326 2.609
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
23.965
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.477
And I prepare Tails for memory erasure tests 0.463
And I find very few patterns in the guest's memory 4.161 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.779
Then patterns cover at least 99% of the test FS size in the guest's memory 3.330 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.965
Then I find very few patterns in the guest's memory 3.787 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 3.936
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.003
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 12.499
And I prepare Tails for memory erasure tests 0.511
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.115
Then I find very few patterns in the guest's memory 4.242 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.778
Then patterns cover at least 86% of the test FS size in the guest's memory 4.405 
Pattern coverage: 88.869% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.563
Then I find very few patterns in the guest's memory 4.604 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# read cache
When I mount the USB drive again 0.266
And I read the content of the test FS 1.053
Then patterns cover at least 99% of the test FS size in the guest's memory 4.103 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.627
Then I find very few patterns in the guest's memory 4.229 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:326 0.874
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:18.046
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.978
And I prepare Tails for memory erasure tests 0.427
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.451
Then I find very few patterns in the guest's memory 3.661 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.857
Then patterns cover at least 99% of the test FS size in the guest's memory 3.166 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 3.172
Then I find very few patterns in the guest's memory 4.930 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# read cache
When I mount the USB drive again 5.886
And I read the content of the test FS 0.596
Then patterns cover at least 99% of the test FS size in the guest's memory 3.577 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.493
Then I find very few patterns in the guest's memory 3.847 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
After features/support/hooks.rb:326 0.927
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.727
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.131
And I prepare Tails for memory erasure tests 0.431
When I fill a 128 MiB file with a known pattern on the root filesystem 16.900
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 4.936
Then patterns cover at least 128 MiB in the guest's memory 2.506 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.018
And I wait 20 seconds 20.019 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.782 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:326 3.574
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:22.876
Before features/support/hooks.rb:269 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:38.115
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 22.040
When I trigger shutdown 0.013
And I wait 20 seconds 20.016 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.202 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 3.546
After features/support/hooks.rb:100 0.020