Project Number Date
test_Tails_ISO_20524-warn-danger-unplug-usb-stick 74 20 Dec 2024, 08:01

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 12:16.084 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
24.407
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.368
And I prepare Tails for memory erasure tests 0.452
When I start a process allocating 128 MiB of memory with a known pattern 1.447
Then patterns cover at least 128 MiB in the guest's memory 6.390 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.353
Then I find very few patterns in the guest's memory after 3 seconds 6.394 
Pattern coverage: 0.000% (0 MiB out of 689 MiB reference memory)
After features/support/hooks.rb:326 1.032
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.572
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.577
And I prepare Tails for memory erasure tests 0.516
And I find very few patterns in the guest's memory 4.156 
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 1.635
Then patterns cover at least 99% of the test FS size in the guest's memory 4.525 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.499
Then I find very few patterns in the guest's memory after 3 seconds 6.661 
Pattern coverage: 0.000% (0 MiB out of 700 MiB reference memory)
After features/support/hooks.rb:326 1.298
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
57.687
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.468
And I prepare Tails for memory erasure tests 0.378
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.735
Then I find very few patterns in the guest's memory 3.983 
Pattern coverage: 0.000% (0 MiB out of 682 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.708
Then patterns cover at least 75% of the test FS size in the guest's memory 4.334 
Pattern coverage: 80.414% (102 MiB out of 127 MiB reference memory)
When I umount the USB drive 3.603
Then I find very few patterns in the guest's memory after 3 seconds 6.617 
Pattern coverage: 0.000% (0 MiB out of 682 MiB reference memory)
# read cache
When I mount the USB drive again 0.316
And I read the content of the test FS 4.051
Then patterns cover at least 99% of the test FS size in the guest's memory 4.121 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.641
Then I find very few patterns in the guest's memory after 3 seconds 6.727 
Pattern coverage: 0.000% (0 MiB out of 682 MiB reference memory)
After features/support/hooks.rb:326 1.126
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:22.664
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.282
And I prepare Tails for memory erasure tests 0.512
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.925
Then I find very few patterns in the guest's memory 3.508 
Pattern coverage: 0.000% (0 MiB out of 700 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.890
Then patterns cover at least 99% of the test FS size in the guest's memory 3.638 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.786
Then I find very few patterns in the guest's memory after 3 seconds 6.135 
Pattern coverage: 0.000% (0 MiB out of 700 MiB reference memory)
# read cache
When I mount the USB drive again 11.680
And I read the content of the test FS 1.174
Then patterns cover at least 99% of the test FS size in the guest's memory 3.476 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.607
Then I find very few patterns in the guest's memory after 3 seconds 6.044 
Pattern coverage: 0.000% (0 MiB out of 700 MiB reference memory)
After features/support/hooks.rb:326 1.292
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.693
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.183
And I prepare Tails for memory erasure tests 0.407
When I fill a 128 MiB file with a known pattern on the root filesystem 19.594
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.158
Then patterns cover at least 128 MiB in the guest's memory 3.420 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 20.915 
Pattern coverage: 0.000% (0 MiB out of 685 MiB reference memory)
After features/support/hooks.rb:326 3.527
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:11.058
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 7:23.214
And I prepare Tails for memory erasure tests 0.415
When I fill a 128 MiB file with a known pattern on the persistent filesystem 26.084
When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 21.324 
Pattern coverage: 0.000% (0 MiB out of 734 MiB reference memory)
After features/support/hooks.rb:326 3.532
After features/support/hooks.rb:100 0.011