Project Number Date
test_Tails_ISO_stable 5418 26 Jan 2025, 12:24

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 10:46.293 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
21.825
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.883
And I prepare Tails for memory erasure tests 0.410
When I start a process allocating 128 MiB of memory with a known pattern 1.245
Then patterns cover at least 128 MiB in the guest's memory 3.386 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.855
Then I find very few patterns in the guest's memory after 5 seconds 8.044 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:326 1.381
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.962
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.089
And I prepare Tails for memory erasure tests 0.414
And I find very few patterns in the guest's memory 3.082 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 4.044
Then patterns cover at least 99% of the test FS size in the guest's memory 3.034 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.669
Then I find very few patterns in the guest's memory after 3 seconds 5.627 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:326 0.739
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
43.892
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.844
And I prepare Tails for memory erasure tests 0.439
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.865
Then I find very few patterns in the guest's memory 3.306 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.541
Then patterns cover at least 75% of the test FS size in the guest's memory 3.016 
Pattern coverage: 85.404% (108 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.304
Then I find very few patterns in the guest's memory after 3 seconds 5.618 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
# read cache
When I mount the USB drive again 0.303
And I read the content of the test FS 0.459
Then patterns cover at least 99% of the test FS size in the guest's memory 3.156 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.592
Then I find very few patterns in the guest's memory after 3 seconds 5.443 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:326 0.727
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:12.758
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.175
And I prepare Tails for memory erasure tests 0.428
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.075
Then I find very few patterns in the guest's memory 2.255 
Pattern coverage: 0.000% (0 MiB out of 911 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.885
Then patterns cover at least 99% of the test FS size in the guest's memory 3.095 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.321
Then I find very few patterns in the guest's memory after 3 seconds 6.009 
Pattern coverage: 0.000% (0 MiB out of 911 MiB reference memory)
# read cache
When I mount the USB drive again 4.932
And I read the content of the test FS 0.511
Then patterns cover at least 99% of the test FS size in the guest's memory 3.467 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.659
Then I find very few patterns in the guest's memory after 3 seconds 5.942 
Pattern coverage: 0.000% (0 MiB out of 911 MiB reference memory)
After features/support/hooks.rb:326 0.775
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.155
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.917
And I prepare Tails for memory erasure tests 0.393
When I fill a 128 MiB file with a known pattern on the root filesystem 14.415
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.862
Then patterns cover at least 128 MiB in the guest's memory 2.849 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 20.698 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:326 3.468
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:14.698
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 6:31.504
And I prepare Tails for memory erasure tests 0.394
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.385
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.401 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:326 3.493
After features/support/hooks.rb:100 0.012