Project Number Date
test_Tails_ISO_20524-warn-danger-unplug-usb-stick 36 18 Nov 2024, 07:08

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 10:43.598 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
20.200
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.940
And I prepare Tails for memory erasure tests 0.382
When I start a process allocating 128 MiB of memory with a known pattern 1.249
Then patterns cover at least 128 MiB in the guest's memory 3.574 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.026
Then I find very few patterns in the guest's memory after 3 seconds 6.027 
Pattern coverage: 0.000% (0 MiB out of 707 MiB reference memory)
After features/support/hooks.rb:326 0.718
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
29.262
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 0.681
And I find very few patterns in the guest's memory 3.040 
Pattern coverage: 0.000% (0 MiB out of 704 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.698
Then patterns cover at least 99% of the test FS size in the guest's memory 3.452 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 6.297
Then I find very few patterns in the guest's memory after 3 seconds 6.119 
Pattern coverage: 0.000% (0 MiB out of 704 MiB reference memory)
After features/support/hooks.rb:326 0.694
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
43.048
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.998
And I prepare Tails for memory erasure tests 0.413
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.102
Then I find very few patterns in the guest's memory 2.946 
Pattern coverage: 0.000% (0 MiB out of 700 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.400
Then patterns cover at least 75% of the test FS size in the guest's memory 3.319 
Pattern coverage: 77.958% (99 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.274
Then I find very few patterns in the guest's memory after 3 seconds 5.520 
Pattern coverage: 0.000% (0 MiB out of 700 MiB reference memory)
# read cache
When I mount the USB drive again 0.282
And I read the content of the test FS 0.443
Then patterns cover at least 99% of the test FS size in the guest's memory 3.068 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.484
Then I find very few patterns in the guest's memory after 3 seconds 5.792 
Pattern coverage: 0.001% (0 MiB out of 700 MiB reference memory)
After features/support/hooks.rb:326 0.804
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:12.859
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.099
And I prepare Tails for memory erasure tests 0.422
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.788
Then I find very few patterns in the guest's memory 2.401 
Pattern coverage: 0.000% (0 MiB out of 704 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.960
Then patterns cover at least 99% of the test FS size in the guest's memory 2.603 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.931
Then I find very few patterns in the guest's memory after 3 seconds 5.355 
Pattern coverage: 0.000% (0 MiB out of 704 MiB reference memory)
# read cache
When I mount the USB drive again 4.447
And I read the content of the test FS 0.444
Then patterns cover at least 99% of the test FS size in the guest's memory 2.525 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.674
Then I find very few patterns in the guest's memory after 3 seconds 5.204 
Pattern coverage: 0.000% (0 MiB out of 704 MiB reference memory)
After features/support/hooks.rb:326 1.089
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.035
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 10.156
And I prepare Tails for memory erasure tests 0.408
When I fill a 128 MiB file with a known pattern on the root filesystem 17.889
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.171
Then patterns cover at least 128 MiB in the guest's memory 2.683 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.028
Then I find very few patterns in the guest's memory after 20 seconds 20.695 
Pattern coverage: 0.000% (0 MiB out of 695 MiB reference memory)
After features/support/hooks.rb:326 3.489
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:5.192
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 6:20.669
And I prepare Tails for memory erasure tests 0.562
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.807
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.140 
Pattern coverage: 0.000% (0 MiB out of 729 MiB reference memory)
After features/support/hooks.rb:326 3.518
After features/support/hooks.rb:100 0.011