Project Number Date
test_Tails_ISO_20524-warn-danger-unplug-usb-stick 48 26 Nov 2024, 17:21

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 51 0 0 0 0 51 6 0 6 11:31.984 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
22.930
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.480
And I prepare Tails for memory erasure tests 0.452
When I start a process allocating 128 MiB of memory with a known pattern 1.946
Then patterns cover at least 128 MiB in the guest's memory 3.856 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.363
Then I find very few patterns in the guest's memory after 3 seconds 6.831 
Pattern coverage: 0.000% (0 MiB out of 686 MiB reference memory)
After features/support/hooks.rb:326 1.256
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.422
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.651
And I prepare Tails for memory erasure tests 0.469
And I find very few patterns in the guest's memory 4.032 
Pattern coverage: 0.000% (0 MiB out of 687 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.995
Then patterns cover at least 99% of the test FS size in the guest's memory 4.393 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.718
Then I find very few patterns in the guest's memory after 3 seconds 7.160 
Pattern coverage: 0.000% (0 MiB out of 687 MiB reference memory)
After features/support/hooks.rb:326 1.078
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:2.087
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 22.388
And I prepare Tails for memory erasure tests 0.490
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.571
Then I find very few patterns in the guest's memory 3.547 
Pattern coverage: 0.000% (0 MiB out of 689 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.639
Then patterns cover at least 75% of the test FS size in the guest's memory 3.593 
Pattern coverage: 80.900% (103 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.173
Then I find very few patterns in the guest's memory after 3 seconds 6.093 
Pattern coverage: 0.000% (0 MiB out of 689 MiB reference memory)
# read cache
When I mount the USB drive again 0.245
And I read the content of the test FS 0.772
Then patterns cover at least 99% of the test FS size in the guest's memory 4.119 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.741
Then I find very few patterns in the guest's memory after 3 seconds 6.708 
Pattern coverage: 0.000% (0 MiB out of 689 MiB reference memory)
After features/support/hooks.rb:326 0.704
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:17.785
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.257
And I prepare Tails for memory erasure tests 0.466
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.206
Then I find very few patterns in the guest's memory 2.754 
Pattern coverage: 0.000% (0 MiB out of 685 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.797
Then patterns cover at least 99% of the test FS size in the guest's memory 2.858 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.501
Then I find very few patterns in the guest's memory after 3 seconds 5.283 
Pattern coverage: 0.000% (0 MiB out of 685 MiB reference memory)
# read cache
When I mount the USB drive again 7.706
And I read the content of the test FS 0.829
Then patterns cover at least 99% of the test FS size in the guest's memory 3.231 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.783
Then I find very few patterns in the guest's memory after 3 seconds 6.109 
Pattern coverage: 0.000% (0 MiB out of 685 MiB reference memory)
After features/support/hooks.rb:326 1.102
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.710
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.559
And I prepare Tails for memory erasure tests 0.548
When I fill a 128 MiB file with a known pattern on the root filesystem 16.293
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.128
Then patterns cover at least 128 MiB in the guest's memory 3.279 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.890 
Pattern coverage: 0.000% (0 MiB out of 683 MiB reference memory)
After features/support/hooks.rb:326 3.556
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:31.048
Before features/support/hooks.rb:269 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:47.037
And I prepare Tails for memory erasure tests 0.537
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.117
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 21.338 
Pattern coverage: 0.000% (0 MiB out of 747 MiB reference memory)
After features/support/hooks.rb:326 3.562
After features/support/hooks.rb:100 0.013