Project Number Date
test_Tails_ISO_20524-warn-danger-unplug-usb-stick 58 07 Dec 2024, 07:23

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 11:42.324 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
21.830
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.414
And I prepare Tails for memory erasure tests 0.412
When I start a process allocating 128 MiB of memory with a known pattern 1.191
Then patterns cover at least 128 MiB in the guest's memory 3.441 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.540
Then I find very few patterns in the guest's memory after 3 seconds 5.829 
Pattern coverage: 0.000% (0 MiB out of 695 MiB reference memory)
After features/support/hooks.rb:326 1.143
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
23.901
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.113
And I prepare Tails for memory erasure tests 0.502
And I find very few patterns in the guest's memory 3.199 
Pattern coverage: 0.000% (0 MiB out of 700 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.327
Then patterns cover at least 99% of the test FS size in the guest's memory 3.066 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.834
Then I find very few patterns in the guest's memory after 3 seconds 5.857 
Pattern coverage: 0.000% (0 MiB out of 700 MiB reference memory)
After features/support/hooks.rb:326 1.556
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.017
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.255
And I prepare Tails for memory erasure tests 0.998
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.116
Then I find very few patterns in the guest's memory 3.123 
Pattern coverage: 0.000% (0 MiB out of 709 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.936
Then patterns cover at least 75% of the test FS size in the guest's memory 4.100 
Pattern coverage: 81.164% (103 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.127
Then I find very few patterns in the guest's memory after 3 seconds 6.663 
Pattern coverage: 0.000% (0 MiB out of 709 MiB reference memory)
# read cache
When I mount the USB drive again 0.242
And I read the content of the test FS 1.799
Then patterns cover at least 99% of the test FS size in the guest's memory 3.725 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.388
Then I find very few patterns in the guest's memory after 3 seconds 6.537 
Pattern coverage: 0.000% (0 MiB out of 709 MiB reference memory)
After features/support/hooks.rb:326 0.753
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:20.391
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.120
And I prepare Tails for memory erasure tests 0.425
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.284
Then I find very few patterns in the guest's memory 3.598 
Pattern coverage: 0.000% (0 MiB out of 705 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.906
Then patterns cover at least 99% of the test FS size in the guest's memory 3.925 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.277
Then I find very few patterns in the guest's memory after 3 seconds 6.498 
Pattern coverage: 0.000% (0 MiB out of 705 MiB reference memory)
# read cache
When I mount the USB drive again 6.504
And I read the content of the test FS 0.504
Then patterns cover at least 99% of the test FS size in the guest's memory 2.942 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.753
Then I find very few patterns in the guest's memory after 3 seconds 5.650 
Pattern coverage: 0.000% (0 MiB out of 705 MiB reference memory)
After features/support/hooks.rb:326 1.212
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.301
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.918
And I prepare Tails for memory erasure tests 0.504
When I fill a 128 MiB file with a known pattern on the root filesystem 16.678
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.174
Then patterns cover at least 128 MiB in the guest's memory 3.156 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 20.855 
Pattern coverage: 0.000% (0 MiB out of 704 MiB reference memory)
After features/support/hooks.rb:326 3.509
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:54.881
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 7:7.587
And I prepare Tails for memory erasure tests 0.569
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.492
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 22.219 
Pattern coverage: 0.000% (0 MiB out of 737 MiB reference memory)
After features/support/hooks.rb:326 3.833
After features/support/hooks.rb:100 0.013