Project Number Date
test_Tails_ISO_20524-warn-danger-unplug-usb-stick 64 12 Dec 2024, 06:58

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 11:32.876 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
20.196
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.055
And I prepare Tails for memory erasure tests 0.456
When I start a process allocating 128 MiB of memory with a known pattern 1.220
Then patterns cover at least 128 MiB in the guest's memory 3.331 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.420
Then I find very few patterns in the guest's memory after 3 seconds 5.710 
Pattern coverage: 0.000% (0 MiB out of 702 MiB reference memory)
After features/support/hooks.rb:326 0.772
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
22.409
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.126
And I prepare Tails for memory erasure tests 0.469
And I find very few patterns in the guest's memory 3.011 
Pattern coverage: 0.000% (0 MiB out of 701 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.257
Then patterns cover at least 99% of the test FS size in the guest's memory 3.493 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.269
Then I find very few patterns in the guest's memory after 3 seconds 5.781 
Pattern coverage: 0.000% (0 MiB out of 701 MiB reference memory)
After features/support/hooks.rb:326 0.672
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
45.991
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.066
And I prepare Tails for memory erasure tests 0.441
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.120
Then I find very few patterns in the guest's memory 3.065 
Pattern coverage: 0.000% (0 MiB out of 715 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.446
Then patterns cover at least 75% of the test FS size in the guest's memory 3.501 
Pattern coverage: 79.918% (101 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.766
Then I find very few patterns in the guest's memory after 3 seconds 5.929 
Pattern coverage: 0.000% (0 MiB out of 715 MiB reference memory)
# read cache
When I mount the USB drive again 0.236
And I read the content of the test FS 0.547
Then patterns cover at least 99% of the test FS size in the guest's memory 3.151 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.935
Then I find very few patterns in the guest's memory after 3 seconds 5.782 
Pattern coverage: 0.001% (0 MiB out of 715 MiB reference memory)
After features/support/hooks.rb:326 0.716
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:16.937
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.956
And I prepare Tails for memory erasure tests 0.418
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 40.948
Then I find very few patterns in the guest's memory 2.608 
Pattern coverage: 0.000% (0 MiB out of 697 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.802
Then patterns cover at least 99% of the test FS size in the guest's memory 2.680 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.905
Then I find very few patterns in the guest's memory after 3 seconds 5.531 
Pattern coverage: 0.000% (0 MiB out of 697 MiB reference memory)
# read cache
When I mount the USB drive again 4.301
And I read the content of the test FS 0.445
Then patterns cover at least 99% of the test FS size in the guest's memory 3.379 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.724
Then I find very few patterns in the guest's memory after 3 seconds 5.235 
Pattern coverage: 0.000% (0 MiB out of 697 MiB reference memory)
After features/support/hooks.rb:326 1.519
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.331
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 10.274
And I prepare Tails for memory erasure tests 0.428
When I fill a 128 MiB file with a known pattern on the root filesystem 14.079
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.993
Then patterns cover at least 128 MiB in the guest's memory 2.857 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 20.682 
Pattern coverage: 0.000% (0 MiB out of 684 MiB reference memory)
After features/support/hooks.rb:326 3.506
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:57.010
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 7:12.671
And I prepare Tails for memory erasure tests 0.632
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.596
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.097 
Pattern coverage: 0.000% (0 MiB out of 759 MiB reference memory)
After features/support/hooks.rb:326 3.523
After features/support/hooks.rb:100 0.010