Project Number Date
test_Tails_ISO_devel 3506 07 Sep 2024, 12:45

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 11:48.528 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
23.050
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.511
And I prepare Tails for memory erasure tests 0.602
When I start a process allocating 128 MiB of memory with a known pattern 2.302
Then patterns cover at least 128 MiB in the guest's memory 3.732 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.660
Then I find very few patterns in the guest's memory after 3 seconds 6.241 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:326 1.299
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.392
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.543
And I prepare Tails for memory erasure tests 0.477
And I find very few patterns in the guest's memory 3.058 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.013
Then patterns cover at least 99% of the test FS size in the guest's memory 4.189 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.344
Then I find very few patterns in the guest's memory after 3 seconds 6.764 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:326 1.002
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.400
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.282
And I prepare Tails for memory erasure tests 0.479
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.150
Then I find very few patterns in the guest's memory 2.982 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.683
Then patterns cover at least 75% of the test FS size in the guest's memory 3.370 
Pattern coverage: 92.585% (118 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.806
Then I find very few patterns in the guest's memory after 3 seconds 5.820 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# read cache
When I mount the USB drive again 1.080
And I read the content of the test FS 0.745
Then patterns cover at least 99% of the test FS size in the guest's memory 3.394 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 4.198
Then I find very few patterns in the guest's memory after 3 seconds 6.405 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 0.761
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:21.375
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.558
And I prepare Tails for memory erasure tests 0.479
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.660
Then I find very few patterns in the guest's memory 2.374 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.146
Then patterns cover at least 99% of the test FS size in the guest's memory 3.383 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.462
Then I find very few patterns in the guest's memory after 3 seconds 6.148 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# read cache
When I mount the USB drive again 7.175
And I read the content of the test FS 0.617
Then patterns cover at least 99% of the test FS size in the guest's memory 3.542 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.815
Then I find very few patterns in the guest's memory after 3 seconds 6.011 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:326 0.964
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.908
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.367
And I prepare Tails for memory erasure tests 0.501
When I fill a 128 MiB file with a known pattern on the root filesystem 13.496
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.591
Then patterns cover at least 128 MiB in the guest's memory 3.074 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 20.862 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:326 3.761
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:57.400
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 7:10.944
And I prepare Tails for memory erasure tests 0.439
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.381
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.622 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:326 3.526
After features/support/hooks.rb:100 0.012