Project Number Date
test_Tails_ISO_devel 3701 19 Feb 2025, 15:13

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 11:25.606 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
23.403
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.391
And I prepare Tails for memory erasure tests 0.454
When I start a process allocating 128 MiB of memory with a known pattern 1.392
Then patterns cover at least 128 MiB in the guest's memory 3.574 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.286
Then I find very few patterns in the guest's memory after 5 seconds 9.303 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:326 1.094
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
36.217
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.542
And I prepare Tails for memory erasure tests 0.518
And I find very few patterns in the guest's memory 9.241 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.214
Then patterns cover at least 99% of the test FS size in the guest's memory 8.477 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.848
Then I find very few patterns in the guest's memory after 3 seconds 6.375 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:326 0.858
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.069
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.977
And I prepare Tails for memory erasure tests 0.483
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.011
Then I find very few patterns in the guest's memory 3.620 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.447
Then patterns cover at least 75% of the test FS size in the guest's memory 4.139 
Pattern coverage: 87.142% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.476
Then I find very few patterns in the guest's memory after 3 seconds 6.699 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
# read cache
When I mount the USB drive again 1.646
And I read the content of the test FS 1.265
Then patterns cover at least 99% of the test FS size in the guest's memory 3.876 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.872
Then I find very few patterns in the guest's memory after 3 seconds 6.554 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:326 1.021
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:15.488
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.979
And I prepare Tails for memory erasure tests 0.463
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.958
Then I find very few patterns in the guest's memory 2.589 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.445
Then patterns cover at least 99% of the test FS size in the guest's memory 2.853 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.917
Then I find very few patterns in the guest's memory after 3 seconds 5.480 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
# read cache
When I mount the USB drive again 6.357
And I read the content of the test FS 0.388
Then patterns cover at least 99% of the test FS size in the guest's memory 2.477 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.651
Then I find very few patterns in the guest's memory after 3 seconds 5.925 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:326 0.726
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.275
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 7.879
And I prepare Tails for memory erasure tests 0.499
When I fill a 128 MiB file with a known pattern on the root filesystem 16.692
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.718
Then patterns cover at least 128 MiB in the guest's memory 2.722 
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 20.748 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:326 3.534
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:30.152
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 6:46.213
And I prepare Tails for memory erasure tests 0.591
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.201
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.134 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:326 3.501
After features/support/hooks.rb:100 0.011