Project Number Date
test_Tails_ISO_20524-warn-danger-unplug-usb-stick 10 30 Oct 2024, 06:40

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 11:28.280 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
19.350
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.139
And I prepare Tails for memory erasure tests 0.435
When I start a process allocating 128 MiB of memory with a known pattern 1.214
Then patterns cover at least 128 MiB in the guest's memory 3.418 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.268
Then I find very few patterns in the guest's memory after 3 seconds 5.872 
Pattern coverage: 0.000% (0 MiB out of 667 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
22.158
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.191
And I prepare Tails for memory erasure tests 0.383
And I find very few patterns in the guest's memory 2.884 
Pattern coverage: 0.000% (0 MiB out of 688 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.611
Then patterns cover at least 99% of the test FS size in the guest's memory 3.368 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.279
Then I find very few patterns in the guest's memory after 3 seconds 5.440 
Pattern coverage: 0.000% (0 MiB out of 688 MiB reference memory)
After features/support/hooks.rb:326 0.719
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.175
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.954
And I prepare Tails for memory erasure tests 0.488
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.166
Then I find very few patterns in the guest's memory 3.217 
Pattern coverage: 0.000% (0 MiB out of 694 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.625
Then patterns cover at least 75% of the test FS size in the guest's memory 3.318 
Pattern coverage: 82.829% (105 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.973
Then I find very few patterns in the guest's memory after 3 seconds 6.024 
Pattern coverage: 0.000% (0 MiB out of 694 MiB reference memory)
# read cache
When I mount the USB drive again 1.403
And I read the content of the test FS 0.566
Then patterns cover at least 99% of the test FS size in the guest's memory 3.815 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.906
Then I find very few patterns in the guest's memory after 3 seconds 6.713 
Pattern coverage: 0.000% (0 MiB out of 694 MiB reference memory)
After features/support/hooks.rb:326 0.966
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:12.423
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.058
And I prepare Tails for memory erasure tests 0.633
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.258
Then I find very few patterns in the guest's memory 2.553 
Pattern coverage: 0.000% (0 MiB out of 685 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.540
Then patterns cover at least 99% of the test FS size in the guest's memory 2.750 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.750
Then I find very few patterns in the guest's memory after 3 seconds 5.405 
Pattern coverage: 0.000% (0 MiB out of 685 MiB reference memory)
# read cache
When I mount the USB drive again 4.888
And I read the content of the test FS 2.159
Then patterns cover at least 99% of the test FS size in the guest's memory 2.507 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.635
Then I find very few patterns in the guest's memory after 3 seconds 5.281 
Pattern coverage: 0.000% (0 MiB out of 685 MiB reference memory)
After features/support/hooks.rb:326 1.108
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.372
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.065
And I prepare Tails for memory erasure tests 0.382
When I fill a 128 MiB file with a known pattern on the root filesystem 18.238
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.279
Then patterns cover at least 128 MiB in the guest's memory 3.507 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.042
Then I find very few patterns in the guest's memory after 20 seconds 20.855 
Pattern coverage: 0.000% (0 MiB out of 685 MiB reference memory)
After features/support/hooks.rb:326 3.462
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:52.800
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 7:9.942
And I prepare Tails for memory erasure tests 0.587
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.060
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 21.193 
Pattern coverage: 0.000% (0 MiB out of 746 MiB reference memory)
After features/support/hooks.rb:326 3.506
After features/support/hooks.rb:100 0.010