Project Number Date
test_Tails_ISO_20524-warn-danger-unplug-usb-stick 43 24 Nov 2024, 07:13

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 10:42.315 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
20.130
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.013
And I prepare Tails for memory erasure tests 0.438
When I start a process allocating 128 MiB of memory with a known pattern 1.227
Then patterns cover at least 128 MiB in the guest's memory 3.515 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.105
Then I find very few patterns in the guest's memory after 3 seconds 5.829 
Pattern coverage: 0.000% (0 MiB out of 706 MiB reference memory)
After features/support/hooks.rb:326 0.796
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
22.455
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.161
And I prepare Tails for memory erasure tests 0.451
And I find very few patterns in the guest's memory 3.115 
Pattern coverage: 0.000% (0 MiB out of 698 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.500
Then patterns cover at least 99% of the test FS size in the guest's memory 3.125 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.259
Then I find very few patterns in the guest's memory after 3 seconds 5.841 
Pattern coverage: 0.000% (0 MiB out of 698 MiB reference memory)
After features/support/hooks.rb:326 0.743
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.088
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.973
And I prepare Tails for memory erasure tests 0.445
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.130
Then I find very few patterns in the guest's memory 3.551 
Pattern coverage: 0.000% (0 MiB out of 701 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.236
Then patterns cover at least 75% of the test FS size in the guest's memory 4.224 
Pattern coverage: 81.754% (104 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.945
Then I find very few patterns in the guest's memory after 3 seconds 6.580 
Pattern coverage: 0.000% (0 MiB out of 701 MiB reference memory)
# read cache
When I mount the USB drive again 0.312
And I read the content of the test FS 0.522
Then patterns cover at least 99% of the test FS size in the guest's memory 4.008 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.450
Then I find very few patterns in the guest's memory after 3 seconds 6.706 
Pattern coverage: 0.001% (0 MiB out of 701 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
1:16.285
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.331
And I prepare Tails for memory erasure tests 0.484
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.358
Then I find very few patterns in the guest's memory 2.453 
Pattern coverage: 0.000% (0 MiB out of 695 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.599
Then patterns cover at least 99% of the test FS size in the guest's memory 2.856 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.759
Then I find very few patterns in the guest's memory after 3 seconds 5.368 
Pattern coverage: 0.000% (0 MiB out of 695 MiB reference memory)
# read cache
When I mount the USB drive again 4.927
And I read the content of the test FS 0.415
Then patterns cover at least 99% of the test FS size in the guest's memory 2.826 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.492
Then I find very few patterns in the guest's memory after 3 seconds 6.410 
Pattern coverage: 0.000% (0 MiB out of 695 MiB reference memory)
After features/support/hooks.rb:326 1.078
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.513
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.110
And I prepare Tails for memory erasure tests 0.463
When I fill a 128 MiB file with a known pattern on the root filesystem 15.601
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.508
Then patterns cover at least 128 MiB in the guest's memory 2.976 
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 20.838 
Pattern coverage: 0.000% (0 MiB out of 698 MiB reference memory)
After features/support/hooks.rb:326 3.460
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:4.842
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 6:22.063
And I prepare Tails for memory erasure tests 0.489
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.156
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.119 
Pattern coverage: 0.000% (0 MiB out of 729 MiB reference memory)
After features/support/hooks.rb:326 3.471
After features/support/hooks.rb:100 0.010