Project Number Date
test_Tails_ISO_devel 3728 06 Mar 2025, 20:18

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 12:4.349 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
25.318
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 8.927
And I prepare Tails for memory erasure tests 0.495
When I start a process allocating 128 MiB of memory with a known pattern 2.404
Then patterns cover at least 128 MiB in the guest's memory 4.389 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.371
Then I find very few patterns in the guest's memory after 5 seconds 8.728 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:330 0.727
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.224
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 8.151
And I prepare Tails for memory erasure tests 0.487
And I find very few patterns in the guest's memory 3.832 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.479
Then patterns cover at least 99% of the test FS size in the guest's memory 4.272 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.965
Then I find very few patterns in the guest's memory after 3 seconds 7.034 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:330 1.079
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.662
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 8.460
And I prepare Tails for memory erasure tests 0.474
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.267
Then I find very few patterns in the guest's memory 4.003 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 5.258
Then patterns cover at least 75% of the test FS size in the guest's memory 4.921 
Pattern coverage: 87.987% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.542
Then I find very few patterns in the guest's memory after 3 seconds 5.877 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# read cache
When I mount the USB drive again 0.248
And I read the content of the test FS 1.011
Then patterns cover at least 99% of the test FS size in the guest's memory 3.422 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.844
Then I find very few patterns in the guest's memory after 3 seconds 6.331 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:330 0.988
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:19.450
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 8.363
And I prepare Tails for memory erasure tests 0.540
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.599
Then I find very few patterns in the guest's memory 3.087 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.447
Then patterns cover at least 99% of the test FS size in the guest's memory 4.436 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.155
Then I find very few patterns in the guest's memory after 3 seconds 6.124 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
# read cache
When I mount the USB drive again 4.929
And I read the content of the test FS 0.540
Then patterns cover at least 99% of the test FS size in the guest's memory 2.923 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.675
Then I find very few patterns in the guest's memory after 3 seconds 5.626 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:330 1.758
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.250
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 8.423
And I prepare Tails for memory erasure tests 0.473
When I fill a 128 MiB file with a known pattern on the root filesystem 15.037
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.730
Then patterns cover at least 128 MiB in the guest's memory 2.740 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 20.831 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:330 3.527
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:9.442
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 7:25.076
And I prepare Tails for memory erasure tests 0.459
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.496
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.396 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:330 3.477
After features/support/hooks.rb:100 0.017