Project Number Date
test_Tails_ISO_devel 3750 23 Mar 2025, 13:19

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 11:21.573 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
24.090
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 9.232
And I prepare Tails for memory erasure tests 0.414
When I start a process allocating 128 MiB of memory with a known pattern 2.328
Then patterns cover at least 128 MiB in the guest's memory 3.352 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.851
Then I find very few patterns in the guest's memory after 5 seconds 7.911 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:330 0.904
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.457
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.173
And I prepare Tails for memory erasure tests 0.392
And I find very few patterns in the guest's memory 2.854 
Pattern coverage: 0.000% (0 MiB out of 919 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.987
Then patterns cover at least 99% of the test FS size in the guest's memory 4.983 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.562
Then I find very few patterns in the guest's memory after 3 seconds 6.503 
Pattern coverage: 0.000% (0 MiB out of 919 MiB reference memory)
After features/support/hooks.rb:330 0.678
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.314
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.319
And I prepare Tails for memory erasure tests 0.433
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.133
Then I find very few patterns in the guest's memory 3.714 
Pattern coverage: 0.000% (0 MiB out of 920 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.728
Then patterns cover at least 75% of the test FS size in the guest's memory 4.210 
Pattern coverage: 87.335% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.070
Then I find very few patterns in the guest's memory after 3 seconds 6.600 
Pattern coverage: 0.000% (0 MiB out of 920 MiB reference memory)
# read cache
When I mount the USB drive again 0.329
And I read the content of the test FS 0.607
Then patterns cover at least 99% of the test FS size in the guest's memory 5.287 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.407
Then I find very few patterns in the guest's memory after 3 seconds 6.471 
Pattern coverage: 0.000% (0 MiB out of 920 MiB reference memory)
After features/support/hooks.rb:330 1.236
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:16.173
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.313
And I prepare Tails for memory erasure tests 0.431
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.130
Then I find very few patterns in the guest's memory 2.999 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.894
Then patterns cover at least 99% of the test FS size in the guest's memory 3.502 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.692
Then I find very few patterns in the guest's memory after 3 seconds 6.030 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
# read cache
When I mount the USB drive again 4.451
And I read the content of the test FS 0.570
Then patterns cover at least 99% of the test FS size in the guest's memory 3.370 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.588
Then I find very few patterns in the guest's memory after 3 seconds 6.197 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:330 1.412
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.175
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.635
And I prepare Tails for memory erasure tests 0.421
When I fill a 128 MiB file with a known pattern on the root filesystem 19.666
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.894
Then patterns cover at least 128 MiB in the guest's memory 2.812 
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 20.731 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:330 3.549
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:31.361
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:47.466
And I prepare Tails for memory erasure tests 1.141
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.634
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 21.103 
Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)
After features/support/hooks.rb:330 3.486
After features/support/hooks.rb:100 0.011