Project Number Date
test_Tails_ISO_devel 3612 14 Dec 2024, 12:38

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 11:11.857 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
21.493
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.157
And I prepare Tails for memory erasure tests 0.568
When I start a process allocating 128 MiB of memory with a known pattern 2.404
Then patterns cover at least 128 MiB in the guest's memory 3.519 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.507
Then I find very few patterns in the guest's memory after 3 seconds 6.337 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:326 1.829
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.966
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.196
And I prepare Tails for memory erasure tests 0.500
And I find very few patterns in the guest's memory 3.822 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.958
Then patterns cover at least 99% of the test FS size in the guest's memory 4.352 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.275
Then I find very few patterns in the guest's memory after 3 seconds 5.860 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:326 0.919
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.051
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.968
And I prepare Tails for memory erasure tests 0.601
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.241
Then I find very few patterns in the guest's memory 3.286 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.871
Then patterns cover at least 75% of the test FS size in the guest's memory 4.192 
Pattern coverage: 89.160% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.946
Then I find very few patterns in the guest's memory after 3 seconds 6.561 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# read cache
When I mount the USB drive again 0.240
And I read the content of the test FS 0.742
Then patterns cover at least 99% of the test FS size in the guest's memory 3.982 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.925
Then I find very few patterns in the guest's memory after 3 seconds 6.490 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:326 0.880
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:21.734
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.220
And I prepare Tails for memory erasure tests 0.617
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.259
Then I find very few patterns in the guest's memory 2.679 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.421
Then patterns cover at least 99% of the test FS size in the guest's memory 2.834 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 2.563
Then I find very few patterns in the guest's memory after 3 seconds 5.600 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# read cache
When I mount the USB drive again 9.673
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 3.382 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.624
Then I find very few patterns in the guest's memory after 3 seconds 5.411 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:326 0.750
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.242
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.383
And I prepare Tails for memory erasure tests 0.682
When I fill a 128 MiB file with a known pattern on the root filesystem 17.719
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.142
Then patterns cover at least 128 MiB in the guest's memory 2.534 
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 20.757 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 3.495
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:18.368
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 6:30.890
And I prepare Tails for memory erasure tests 0.879
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.299
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.284 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:326 3.515
After features/support/hooks.rb:100 0.014