Project Number Date
test_Tails_ISO_20524-warn-danger-unplug-usb-stick 23 07 Nov 2024, 20:39

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 11:15.519 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
20.581
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.817
And I prepare Tails for memory erasure tests 0.557
When I start a process allocating 128 MiB of memory with a known pattern 1.297
Then patterns cover at least 128 MiB in the guest's memory 3.727 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.341
Then I find very few patterns in the guest's memory after 3 seconds 5.839 
Pattern coverage: 0.000% (0 MiB out of 695 MiB reference memory)
After features/support/hooks.rb:326 0.949
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.238
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 0.382
And I find very few patterns in the guest's memory 3.784 
Pattern coverage: 0.000% (0 MiB out of 695 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.454
Then patterns cover at least 99% of the test FS size in the guest's memory 4.328 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.578
Then I find very few patterns in the guest's memory after 3 seconds 6.452 
Pattern coverage: 0.000% (0 MiB out of 695 MiB reference memory)
After features/support/hooks.rb:326 0.782
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.075
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.614
And I prepare Tails for memory erasure tests 0.436
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.226
Then I find very few patterns in the guest's memory 3.276 
Pattern coverage: 0.000% (0 MiB out of 693 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.547
Then patterns cover at least 75% of the test FS size in the guest's memory 3.604 
Pattern coverage: 82.863% (105 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.283
Then I find very few patterns in the guest's memory after 3 seconds 6.382 
Pattern coverage: 0.000% (0 MiB out of 693 MiB reference memory)
# read cache
When I mount the USB drive again 0.321
And I read the content of the test FS 0.663
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 0.941
Then I find very few patterns in the guest's memory after 3 seconds 6.654 
Pattern coverage: 0.001% (0 MiB out of 693 MiB reference memory)
After features/support/hooks.rb:326 2.703
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:17.207
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.203
And I prepare Tails for memory erasure tests 0.407
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.699
Then I find very few patterns in the guest's memory 2.529 
Pattern coverage: 0.000% (0 MiB out of 718 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.588
Then patterns cover at least 99% of the test FS size in the guest's memory 2.821 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.995
Then I find very few patterns in the guest's memory after 3 seconds 5.599 
Pattern coverage: 0.000% (0 MiB out of 718 MiB reference memory)
# read cache
When I mount the USB drive again 5.999
And I read the content of the test FS 0.584
Then patterns cover at least 99% of the test FS size in the guest's memory 2.897 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.617
Then I find very few patterns in the guest's memory after 3 seconds 5.264 
Pattern coverage: 0.000% (0 MiB out of 718 MiB reference memory)
After features/support/hooks.rb:326 1.775
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.909
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.332
And I prepare Tails for memory erasure tests 0.378
When I fill a 128 MiB file with a known pattern on the root filesystem 21.226
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.357
Then patterns cover at least 128 MiB in the guest's memory 2.861 
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 20.739 
Pattern coverage: 0.000% (0 MiB out of 694 MiB reference memory)
After features/support/hooks.rb:326 3.528
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:27.506
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 6:42.667
And I prepare Tails for memory erasure tests 0.473
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.680
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.673 
Pattern coverage: 0.000% (0 MiB out of 741 MiB reference memory)
After features/support/hooks.rb:326 3.530
After features/support/hooks.rb:100 0.011