Project Number Date
test_Tails_ISO_devel 3635 07 Jan 2025, 03:58

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 12:38.620 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
25.550
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.926
And I prepare Tails for memory erasure tests 0.581
When I start a process allocating 128 MiB of memory with a known pattern 2.625
Then patterns cover at least 128 MiB in the guest's memory 5.583 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.314
Then I find very few patterns in the guest's memory after 3 seconds 7.519 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:326 0.823
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.697
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.574
And I prepare Tails for memory erasure tests 0.420
And I find very few patterns in the guest's memory 3.863 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.506
Then patterns cover at least 99% of the test FS size in the guest's memory 4.154 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.930
Then I find very few patterns in the guest's memory after 3 seconds 7.247 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:326 1.776
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
56.592
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.784
And I prepare Tails for memory erasure tests 0.463
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.604
Then I find very few patterns in the guest's memory 4.690 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.929
Then patterns cover at least 75% of the test FS size in the guest's memory 4.380 
Pattern coverage: 88.272% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.223
Then I find very few patterns in the guest's memory after 3 seconds 6.682 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# read cache
When I mount the USB drive again 0.448
And I read the content of the test FS 2.909
Then patterns cover at least 99% of the test FS size in the guest's memory 4.148 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.753
Then I find very few patterns in the guest's memory after 3 seconds 6.571 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:326 1.162
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:27.332
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.377
And I prepare Tails for memory erasure tests 0.663
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.538
Then I find very few patterns in the guest's memory 3.081 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.019
Then patterns cover at least 99% of the test FS size in the guest's memory 4.019 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.135
Then I find very few patterns in the guest's memory after 3 seconds 6.015 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# read cache
When I mount the USB drive again 9.644
And I read the content of the test FS 2.833
Then patterns cover at least 99% of the test FS size in the guest's memory 3.562 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.736
Then I find very few patterns in the guest's memory after 3 seconds 6.705 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:326 1.033
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
53.671
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.768
And I prepare Tails for memory erasure tests 0.442
When I fill a 128 MiB file with a known pattern on the root filesystem 18.818
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.738
Then patterns cover at least 128 MiB in the guest's memory 2.877 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.021
Then I find very few patterns in the guest's memory after 20 seconds 21.004 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:326 3.592
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:27.775
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 7:44.014
And I prepare Tails for memory erasure tests 0.496
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.967
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.283 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:326 3.546
After features/support/hooks.rb:100 0.013