Project Number Date
test_Tails_ISO_devel 3636 07 Jan 2025, 13:01

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 12:4.973 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
24.567
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.372
And I prepare Tails for memory erasure tests 0.499
When I start a process allocating 128 MiB of memory with a known pattern 2.314
Then patterns cover at least 128 MiB in the guest's memory 5.233 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.337
Then I find very few patterns in the guest's memory after 3 seconds 6.810 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 0.899
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.536
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 10.263
And I prepare Tails for memory erasure tests 0.492
And I find very few patterns in the guest's memory 3.752 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.689
Then patterns cover at least 99% of the test FS size in the guest's memory 4.136 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.538
Then I find very few patterns in the guest's memory after 3 seconds 6.663 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:326 1.203
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
56.996
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.294
And I prepare Tails for memory erasure tests 0.483
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.649
Then I find very few patterns in the guest's memory 4.056 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.455
Then patterns cover at least 75% of the test FS size in the guest's memory 4.452 
Pattern coverage: 88.933% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.396
Then I find very few patterns in the guest's memory after 3 seconds 6.908 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# read cache
When I mount the USB drive again 0.309
And I read the content of the test FS 4.983
Then patterns cover at least 99% of the test FS size in the guest's memory 4.359 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.529
Then I find very few patterns in the guest's memory after 3 seconds 7.115 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:326 1.018
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:21.845
Before features/support/hooks.rb:269 0.005
Given I have started Tails from DVD without network and logged in 9.178
And I prepare Tails for memory erasure tests 0.475
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.159
Then I find very few patterns in the guest's memory 3.135 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.458
Then patterns cover at least 99% of the test FS size in the guest's memory 3.451 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.309
Then I find very few patterns in the guest's memory after 3 seconds 6.188 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# read cache
When I mount the USB drive again 4.443
And I read the content of the test FS 1.106
Then patterns cover at least 99% of the test FS size in the guest's memory 6.773 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.708
Then I find very few patterns in the guest's memory after 3 seconds 6.454 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:326 1.443
After features/support/hooks.rb:100 0.005
Tags: @product @slow @not_release_blocker
51.394
Before features/support/hooks.rb:269 0.022
Given I have started Tails from DVD without network and logged in 8.525
And I prepare Tails for memory erasure tests 0.418
When I fill a 128 MiB file with a known pattern on the root filesystem 16.628
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.699
Then patterns cover at least 128 MiB in the guest's memory 3.212 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.898 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:326 3.554
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:2.633
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 7:17.844
And I prepare Tails for memory erasure tests 0.498
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.892
When I trigger shutdown 0.019
Then I find very few patterns in the guest's memory after 20 seconds 21.378 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 3.501
After features/support/hooks.rb:100 0.011