Project Number Date
test_Tails_ISO_devel 3574 02 Nov 2024, 12:56

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 12:18.174 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
24.644
Before features/support/hooks.rb:269 0.007
Given I have started Tails from DVD without network and logged in 8.187
And I prepare Tails for memory erasure tests 0.422
When I start a process allocating 128 MiB of memory with a known pattern 2.729
Then patterns cover at least 128 MiB in the guest's memory 4.646 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.859
Then I find very few patterns in the guest's memory after 3 seconds 6.798 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:326 0.738
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.862
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 10.013
And I prepare Tails for memory erasure tests 0.423
And I find very few patterns in the guest's memory 3.528 
Pattern coverage: 0.000% (0 MiB out of 865 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 3.486
Then patterns cover at least 99% of the test FS size in the guest's memory 3.296 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.144
Then I find very few patterns in the guest's memory after 3 seconds 5.970 
Pattern coverage: 0.000% (0 MiB out of 865 MiB reference memory)
After features/support/hooks.rb:326 0.763
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
59.778
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.339
And I prepare Tails for memory erasure tests 0.508
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.297
Then I find very few patterns in the guest's memory 3.902 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 8.656
Then patterns cover at least 75% of the test FS size in the guest's memory 4.300 
Pattern coverage: 91.866% (117 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.706
Then I find very few patterns in the guest's memory after 3 seconds 6.588 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
# read cache
When I mount the USB drive again 0.298
And I read the content of the test FS 1.143
Then patterns cover at least 99% of the test FS size in the guest's memory 4.819 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.190
Then I find very few patterns in the guest's memory after 3 seconds 7.027 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:326 0.871
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:24.523
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.005
And I prepare Tails for memory erasure tests 0.438
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.717
Then I find very few patterns in the guest's memory 3.919 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 6.204
Then patterns cover at least 99% of the test FS size in the guest's memory 3.400 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.342
Then I find very few patterns in the guest's memory after 3 seconds 6.114 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# read cache
When I mount the USB drive again 7.723
And I read the content of the test FS 0.496
Then patterns cover at least 99% of the test FS size in the guest's memory 2.815 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.850
Then I find very few patterns in the guest's memory after 3 seconds 7.495 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:326 1.479
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
1:1.259
Before features/support/hooks.rb:269 0.006
Given I have started Tails from DVD without network and logged in 11.745
And I prepare Tails for memory erasure tests 0.505
When I fill a 128 MiB file with a known pattern on the root filesystem 17.513
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 7.875
Then patterns cover at least 128 MiB in the guest's memory 2.863 
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 20.741 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:326 3.576
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:0.105
Before features/support/hooks.rb:269 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:15.366
And I prepare Tails for memory erasure tests 0.392
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.990
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 21.338 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:326 3.521
After features/support/hooks.rb:100 0.011