Project Number Date
test_Tails_ISO_devel 3747 21 Mar 2025, 00:03

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 11:8.022 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
24.168
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.451
And I prepare Tails for memory erasure tests 0.464
When I start a process allocating 128 MiB of memory with a known pattern 2.354
Then patterns cover at least 128 MiB in the guest's memory 3.960 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.578
Then I find very few patterns in the guest's memory after 5 seconds 8.358 
Pattern coverage: 0.000% (0 MiB out of 911 MiB reference memory)
After features/support/hooks.rb:330 0.945
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.384
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 8.523
And I prepare Tails for memory erasure tests 0.398
And I find very few patterns in the guest's memory 3.323 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.436
Then patterns cover at least 99% of the test FS size in the guest's memory 3.607 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.853
Then I find very few patterns in the guest's memory after 3 seconds 7.241 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
After features/support/hooks.rb:330 0.702
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.862
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 9.360
And I prepare Tails for memory erasure tests 0.406
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.060
Then I find very few patterns in the guest's memory 3.399 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 5.062
Then patterns cover at least 75% of the test FS size in the guest's memory 3.695 
Pattern coverage: 89.729% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.003
Then I find very few patterns in the guest's memory after 3 seconds 6.100 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
# read cache
When I mount the USB drive again 0.335
And I read the content of the test FS 0.489
Then patterns cover at least 99% of the test FS size in the guest's memory 3.729 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.985
Then I find very few patterns in the guest's memory after 3 seconds 6.233 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:330 1.375
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:16.602
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 8.364
And I prepare Tails for memory erasure tests 0.422
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 32.733
Then I find very few patterns in the guest's memory 3.226 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.763
Then patterns cover at least 99% of the test FS size in the guest's memory 3.618 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.930
Then I find very few patterns in the guest's memory after 3 seconds 6.052 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
# read cache
When I mount the USB drive again 10.049
And I read the content of the test FS 0.619
Then patterns cover at least 99% of the test FS size in the guest's memory 2.751 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.437
Then I find very few patterns in the guest's memory after 3 seconds 5.631 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:330 1.653
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
51.615
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.062
And I prepare Tails for memory erasure tests 0.448
When I fill a 128 MiB file with a known pattern on the root filesystem 17.917
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.781
Then patterns cover at least 128 MiB in the guest's memory 2.631 
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 20.761 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
After features/support/hooks.rb:330 3.547
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:18.389
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 6:32.162
And I prepare Tails for memory erasure tests 0.852
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.135
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 21.223 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:330 3.587
After features/support/hooks.rb:100 0.012