Project Number Date
test_Tails_ISO_stable 5420 27 Jan 2025, 15:17

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 11:51.169 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
23.847
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.101
And I prepare Tails for memory erasure tests 0.447
When I start a process allocating 128 MiB of memory with a known pattern 2.432
Then patterns cover at least 128 MiB in the guest's memory 3.438 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.375
Then I find very few patterns in the guest's memory after 5 seconds 8.050 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:326 0.872
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.884
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.078
And I prepare Tails for memory erasure tests 0.691
And I find very few patterns in the guest's memory 3.033 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.388
Then patterns cover at least 99% of the test FS size in the guest's memory 3.421 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.757
Then I find very few patterns in the guest's memory after 3 seconds 6.515 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:326 0.845
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.381
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.262
And I prepare Tails for memory erasure tests 0.426
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.014
Then I find very few patterns in the guest's memory 3.653 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.656
Then patterns cover at least 75% of the test FS size in the guest's memory 4.184 
Pattern coverage: 87.586% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 7.068
Then I find very few patterns in the guest's memory after 3 seconds 6.504 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# read cache
When I mount the USB drive again 0.562
And I read the content of the test FS 0.544
Then patterns cover at least 99% of the test FS size in the guest's memory 3.941 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.951
Then I find very few patterns in the guest's memory after 3 seconds 6.611 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 0.821
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:18.470
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.251
And I prepare Tails for memory erasure tests 0.415
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.798
Then I find very few patterns in the guest's memory 3.878 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.000
Then patterns cover at least 99% of the test FS size in the guest's memory 3.522 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.233
Then I find very few patterns in the guest's memory after 3 seconds 6.068 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
# read cache
When I mount the USB drive again 4.977
And I read the content of the test FS 0.548
Then patterns cover at least 99% of the test FS size in the guest's memory 3.542 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.137
Then I find very few patterns in the guest's memory after 3 seconds 6.096 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
After features/support/hooks.rb:326 0.946
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.192
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.389
And I prepare Tails for memory erasure tests 0.428
When I fill a 128 MiB file with a known pattern on the root filesystem 18.904
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.047
Then patterns cover at least 128 MiB in the guest's memory 3.366 
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 21.039 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 3.575
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:53.393
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 7:7.500
And I prepare Tails for memory erasure tests 0.455
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.016
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.407 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:326 3.553
After features/support/hooks.rb:100 0.010